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About Institutes Public Relations Technology Transfer Students\International Information Center (Library) Administration
שלח באימייל הדפס
Name: Arnon Dag, Prof. (Researcher)
Units: Gilat CenterFruit Tree Sciences / Citriculture
Research Interests / Job description  
Tel:  072-3770236 08-9928647
Cell: 050-6220155
Fax:+972 (0)8 9926485
Email:    arnondag@volcani.agri.gov.il
Office location:Gilat Research Center
Address:Gilat Research Center
Agricultural Research Organization
Ministry of Agriculture
Mobile Post Negev 85280




Research Interests / Job description
Fruit tree physiology
Olive biology and cultivation
Reproductive biology of fruit trees
Crop pollination
Pomology in semi-arid conditions
Developing guava as an export crop


Reviewed articles

1.Dag, A. and Eisikowitch, D. (1995). The influence of hive location on honeybee foraging activity and fruit set in melons grown in plastic greenhouses. Apidologie 26: 511-519.

2. Dag, A., Slabezki, Y., Efrat, H., Kamer, Y., Yakobson, B.A., Mozes-Koch R. and Gerson, U. (1997). Control of honey bee tracheal mite infestation with Amitraz fumigation in Israel. Am. Bee. J. 137: 599-602.

3. Dag, A., Eisenstein, D., Degani, C., El-Batsri, R. and Gazit, S. (1998). Effect of pollenizer distance and selective fruitlet abscission on outcrossing rate and yield in ‘Tommy Atkins' mango. J. Amer. Soc. Hort. Sci. 123: 618-622.

4. Dag, A. and Eisikowitch, D. (1999). Ventilation of greenhouses increases honeybee foraging activity on muskmelon, Cucumis melo. J. Apic. Res. 38: 169-175.

5. Dag, A., Gazit, S., Eisenstein, D., El-Batsri, R. and Degani, C. (1999). Effect of the male parent on pericarp and seed weights in several Floridian mango cultivars. Scientia Hort. 82: 325-329.

6. Dag, A., Eisenstein, D. and Gazit, S. (2000). Effect of temperature regime on pollen and the effective pollination of ‘Kent' mango in Israel. Scientia Hort. 86: 1-11.

7. Dag, A. and Gazit, S. (2000). Mango pollinators in Israel. J. Appl. Hort. 2: 39-43.

8. Dag, A. and Eisikowitch, D. (2000). The effect of carbon dioxide enrichment on nectar production in melon under greenhouse conditions. J. Apic. Res. 39: 88-89.

9. Dag, A., Weinbaum, S.A., Thorp, R. and Eisikowitch, D. (2000). Evaluation of pollen dispensers (‘inserts') effect on fruit set and yield in almond. J. Apic. Res. 39: 117-123.

10. Mozes-Koch, R., Slabezki, Y., Efrat, H., Kamer, Y., Kalev, H, Yakobson, B.A. and Dag, A. (2000). First detection in Israel of fluvalinate resistance in the varroa mite using bioassay and biochemical methods. J. Exp. Appl. Acar. 24: 25-33.

11. Slabezki, Y., Efrat, H., Dag, A., Kamer, Y., Yakobson, B.A., Mozes-Koch, R. and Gerson, U. (2000). The effect of honey bee tracheal mite infestation on colony development and honey yield of Buckfast and Italian honey bee strains in Israel. Am. Bee. J. 140: 231-234.

12. Stern, R.A., Eisikowitch, D. and Dag, A. (2001). Sequential introduction of honeybee colonies and doubling their density increase cross-pollination, fruit set and yield in ‘Red Delicious' apple. J. Hort. Sci. Biothech. 76: 17-23.

13. Dag, A. and Kamer, Y. (2001). Comparison between the effectiveness of honeybee (Apis mellifera) and bumblebee (Bombus terrestris) as pollinators of greenhouse sweet pepper (Capsicum annuum). Am. Bee. J. 141: 447-448.

14. Dag, A., Kamer, Y. and Efrat, H. (2001). Characterization of citrus honey flow in Israel. Apiacta 36: 102-105.

15. Dag, A., Lior, E. and Afik, O. (2002). Pollination of confection sunflowers (Helianthus annuus L.) by honey bees (Apis mellifera L.) Am. Bee. J. 142: 443-445.

16. Devash, L., Afik, O., Shafir, S., Schaffer, A., Yeselson, Y., Dag, A. and Landau, S. (2002). Determining by Near-Infrared Spectroscopy of perseitol used as a marker for botanical origin of avocado (Persea Americana Mill.) honey J. Agric. Food Chem. 50: 5283-5287.

17. Kalev, H., Dag, A. and Shafir, S. (2002). Feeding pollen supplements to honey bee colonies during pollination of sweet pepper in enclosures. Am. Bee J. 142: 672-678.

18. Dag, A., Fetscher, A.E., Afik, O., Yeselson, Y., Schaffer, A., Kammer, Y., Waser, N.M., Madore, M.A., Arpaia, M.L., Hofshi, R. and Shafir, S. (2003). Honeybee (Apis mellifera) strains differ in avocado (Persea americana) nectar foraging preferences. Apidologie 34: 299-309.

19. Freeman, S., Minz, D., Kolesnik, I., Barbul, O., Zveibil, A., Maymon, M., Nitzani, Y., Kirshner, B., Rav-David, D., Bilu, A., Dag, A., Shafir, S. and Elad, Y. (2004). Trichoderma biocontrol of Colletotrichum acutatum and Botrytis cinerea in strawberry, population survival, and identification of biocontrol isolates according to ITS sequence analysis. Eur. J. Plant Pathol. 110: 361-370.

20. Bilu, A., Dag, A., Elad, Y. and Shafir, S (2004). Honey bee dispersal of biocontrol agents: an evaluation and improvement of dispensing devices. Biocontol Sci. Tech. 14: 607-617.

21. Stern, R., Goldway, M., Zisovich, A., Shafir, S. and Dag, A. (2004). Sequential introduction of honeybee colonies increase cross-pollination, fruit-set and yield of 'Spadona' pear (Pyrus communis L.). J. Hort. Sci. Biotech. 79: 652-658.

22. Dag, A., Stern, R. and Shafir, S (2005) Honey bee (Apis mellifera)      strains differ in apple (Malus domestica) pollen foraging preference. J. Apic. Res. 44: 15-20. 22.

23. Dag, A. and Mizrahi, Y. (2005). Effect of pollination methods on fruit set and fruit characteristics of the vine cactus Selenicereus megalanthus ('yellow pitaya'). J. Hort. Sci. Biothech. 80: 618-622.

Pollination of yellow pitaya

24. Afik, O., Dag, A. and Shafir, S. (2006). The effect of avocado (Persea americana) nectar composition on its attractiveness to honey bees. Apidologie 37: 317-325.

25. Dag, A., Afik, O., Yeselson, Y., Schaffer, A. and Shafir, S. (2006). Physical, chemical and palynological characterization of avocado (Persea americana Mill) honey in Israel. Int. J. Food Sci. Tech. 41: 387-394.

26. Afik, O., Dag, A., Kerem, Z. and Shafir, S. (2006). Analysis of avocado (Persea americana) nectar properties and their perception by honeybees (Apis mellifera). J. Chem. Ecol. 32: 1949-1963.

27. Shafir, S., Dag, A., Bilu, A., Abu-Toamy, M. and Elad, Y. (2006). Honey bee dispersal of the biological agent Trichoderma harzianum T39: effectiveness in suppressing Botrytis cinerea on strawberry under field conditions. J. Europ. Plant Pathol. 116: 119-128.

28. Dag, A., Zipori, I. And Pleser, Y. (2006). Using bumblebees to improve almond pollination by the honeybee. J. Apic. Res. 54: 215-216.

29. Afik, O., Dag, A. and Shafir, S. (2007). The perception of avocado (Persea americana: Lauraceae) bloom by the honey bee (Apis mellifera: Hymenoptera): a review. Entomol. Generalis. 30: 135-153.

30. Stern, R.A., Sapir, G., Shafir, S., Dag, A. and Goldway, M. (2007). The appropriate management of honey bee colonies for pollination of Rosacea fruit trees in warm climates. Middle Eastern and Russian J. Plant Sci. Biotech. 1: 13-19.

31. Afik, O., Dag, A. and Shafir, S. (2008). Honey bee (Apis mellifera) round dance influenced by trace element composition of floral nectar. Anim. Behav. 75: 371-377.

32. Dag, A., Zvieli, Y., Afik, O. and Elkind, Y. (2007) Honeybee pollination affects fruit characteristics of sweet pepper grown under net-houses. Int. J. Veg. Sci. 13: 45-59.

33. Dag, A. (2008) Bee pollination of crop plants under environmental conditions unique to enclosures (review). J. Apic. Res. 47: 162-165.

34. Dag, A., Ben-Gal, A., Yermiyahu, U., Basheer, L., Yogev, N. and Kerem, Z. (2008) The effect of irrigation level and harvest mechanization on virgin olive oil quality in a traditional rain-fed 'Souri' olive orchard converted to irrigation. J. Sci. Food Agric. 88: 1524-1528.

35. Barazani, O., Dag, A., Kerem, Z., Lavee, S. and Kadereit, J.W. (2009) Local old olive landrace varieties in Israel - valuable plant genetic resources in olive cultivation. Is. J. Plant Sci. 56: 265-272.

36. Erel, R., Dag, A., Ben Gal, A., Schwartz, A. and Yermiyahu, U. (2008) Flowering and fruit set of olive trees is response to nitrogen, phosphorus and potassium. J. Amer. Soc. Hort. Sci. 133: 639-647.

37.  Avni, D., Dag, A. and Shafir, S. (2009) The effect of surface area of pollen patties fed to honey bee (Apis mellifera) colonies on their consumption, brood production and honey yields. J. Apic. Res. 48: 23-28

38. Dag, A., Yermiyahu,, U., Ben-Gal, A., Zipori, I. and Kapulnik, Y.(2009) Nursery and post-transplant field response of olive trees to arbuscular mycorrhizal fungi in an arid region. Crop & Pasture Science 60: 427-433.

39. Dag, A. (2009) Interaction between pollinators and crop plants: the Israeli experience. Isr. J. Plant. Sci. 57: 231-242.

40. Porat, R., Weiss, B., Zipori, I. and Dag, A. (2009) Postharvest longevity and responsiveness of guava fruit with distinctive climacteric behaviors to 1-methylcyclopropene. HortTechnology 19: 580-585.

41. Ben-Gal, A., Agam, N., Alchanatis, V., Cohen, Y., Yermiyahu, U., Zipori, Y., Presnov, E. and Dag, A. (2009) Evaluating water sress in irrigated olives: correlation of soil water status, tree water status and thermal and visible imagery. Irr. Sci. 27: 367-376.

42. Dag, A., Ben-David, E., Kerem, Z., Ben-Gal, A., Erel, R., Basheer, L. and Yermiyahu, U. (2009) Olive oil composition as a function of nitrogen, phosphorus and potassium plant nutrition. J. Sci. Food Agric. 89: 1871-1878. 

43. Afik, O., Hallel, T., Dag, A. and Shafir, S. (2009) The components that determine honey bee (Apis mellifera) preference between Israeli unifloral honeys and the implications for nectar attractiveness. Isr. J. Plant Sci. 57: 253-261.

44. Avni, D., Dag, A. and Shafir, S. (2009) Pollen sources for honey bees in Israel: Source, periods of shortage and influence on population growth. Isr. J. Plant Sci. 57: 263-275.

45. Dag, A., Bustan, A., Avni, A., Lavee, S. and Riov, J. (2009) Fruit thinning using NAA shows potential for reducing biennial bearing of 'Barnea' and 'Picual' oil olive trees.Crop and Pasture Sci. 60: 1124-1130.

46. Afik, O., Dag, A., Yeselson, Y., Schaffer, A. and Shafir, S. (2010) Selection and breeding of honey bees for higher or lower collection of avocado nectar. J. Econ. Entomol. 103: 228-233.

47. Dag, A., Bustan, A., Avni, A., Zipori, I., Lavee, S. and Riov, J. (2010) Timing of fruit removal affects concurrent vegetative growth and subsequent return bloom and yield in olive (Olea europaea L.). Scientia Hort. 123: 469-472.

48. Zion, B., Bechar, A., Regev, R., Shamir, N., Weissblum, A., Zipori, I. and Dag, A. (2011) Mechanical harvesting of olives- operation study. Isr. J. Plant Sci. 59: 71-84.

49. Ben-Gal, A., Kool, D., Agam, N., van Halsema, G.E., Yermiyahu, U., Yafe, A., Presnov, E., Erel, R., Majdop, A., Zipori, I., Segal, E., Ruger, S., Zimmermann, U., Cohen, Y., Alchanatis, V. and Dag, A. (2010) Whole-tree water balance and indicators for short-term drought stress in non-bearing 'Barnea' olives. Agric. Water Manag. 98: 124-133.

50. Kapulnik, Y., Tsror (Lahkim), L., Zipori, I., Hazanovsky, M., Wininger, S. and Dag, A. (2010). Effect of AMF application on growth, productivity and susceptibility to Verticillium wilt of olive grown under desert conditions. Symbiosis 52: 103-111.

51. Ben-Gal, A., Yermiyahu, U., Zipori, I., Presnov, E., Hanoch, E. and Dag, A. (2011). The influence of bearing cycles on olive oil production response to irrigation. Irr. Sci. 29: 253-263.

52. Ben-David, E., Kerem, Z., Zipori, I., Weissbein, S., Basheer, L., Bustan, A. and Dag, A. (2010). Optimization of the Abencor system to extract olive oil from irrigated orchards. Eur. J. Lipid. Sci. Technol. 112: 1158-1165.

53. Dag, A., Kerem, Z., Yogev, N., Zipori, I., Lavee, S. and Ben-David, E. (2011). Influence of time of harvest and maturity index on olive oil yield and quality. Scientia Hort. 127: 358-366.

Barnea olive

54. Segal, E., Dag, A., Ben-Gal, A., Zipori, I., Erel, R., Suryano, S. and Yermiyahu, U. (2011). Olive irrigation with reclaimed wastewater: agronomic and environmental considerations. Agric. Ecosys. Environ. 140: 454-461.

55. Bustan, A., Avni, A., Lavee, S., Zipori, I., Yeselson, Y., Schaffer, A.A., Riov, Y. and Dag, A. (2011). Role of carbohydrate reserves in yield production of intensively cultivated oil olive (Olea europaea L.) trees. Tree Physiol. 31: 519-530.

56. Ben-Gal, A., Dag, A., Basheer, L., Yermiyahu, U., Zipori, I. and Kerem. Z. (2011) The influence of bearing cycles on olive oil quality response to irrigation. J. Agric. Food Sci. 59: 11667-11675.

57. Tietel, Z., Porat, R., Zipori, I. and Dag, A. (2011). Aroma volatile compositions of high- and low-aromatic guava varieties. J. Sci. Food. Agric. 91: 2794-2798.

58. Dag, A., Boim, S., Sobotin, Y. and Zipori, I. (2012) Effect of mechanically harvested olive storage temperature and duration on oil quality. HortTechnology 22: 528-533.

59.Aviani, I., Raviv, M., Hadar, I., Saadi, I., Dag, A., Ben-Gal, A., Yermiyahu, U., Zipori, I. and Laor, Y. (2012) Effects of harvest date, irrigation level, cultivar type and fruit water content on olive mill wastewater generated by a laboratory scale 'Abencor' milling system. Bioresource Tech. 107: 87-96.

60. Dag, A., Erel, R., Ben-Gal, A., Zipori, I. and Yermiyahu, U. (2012) The effect of olive tree stock plant nutritional status on propagation rates. HortScience 47: 307-310.

61. Naor, A., Schneider, D., Ben-Gal, A., Zipori, I., Dag, A., Birger, R., Peres, M. and Gal, Y. (2013). The effect of crop load and irrigation rate in the oil accumulation stage on oil yield and water relations of 'Koroneiki' oilives. Irr. Sci 31: 781-791.

62. Rotbart, N.A., Schimlovitch, Z., Cohen, Y., Alchanatis, V., Erel, R., Ignat, T., Shenderey C., Dag, A. and Yermiyahu, U. (2013) Estimating olive leaf nitrogen concentration using VIS-NIR spectral reflectance. Biosystem Engineering 114: 426-434. 

63. Agam, N., Cohen, Y., Berni, J.A.J., Alchanatis, V., Kool, D., Dag, A., Yermiyahu, U. and Ben-Gal, A. (2013) An insight to the performance of Crop Water Stress Index for olive tree. Agric. Water Manag. 118: 79-86.

64. Bustan, A., Avni, A., Yermiyahu, U., Ben-Gal, A., Riov, J., Erel, R., Zipori, I. and Dag, A. (2013) Interactions between fruit load and macroelement concentrations in fertigated olive (Olea europaea L.) trees under arid saline conditions. Scientia Hort.152: 44-55.

65. Erel, R., Yermiyahu, U., Van Opstal, J., Ben-Gal, A., Schwartz, A. and Dag, A. (2013) The importance of olive (Olea europaea L.) tree nutritional status on its productivity. Scientia Hort. 159: 8-18.

66. Agam, N., Segal, E., Peeters, A., Levi, A., Dag, A., Yermiyahu, U. and Ben-Gal, A. (2014) Spatial distribution of water status in irrigated olive orchards by thermal imaging. Precision Agric. 15: 346-359.

67. Delaplane, K.S., Dag, A., Danka, R.G., Freitas, B.M., Garibaldi, L.A., Goodwin, R.M. and Hormaza, J.I. (2013) Standard methods for pollination research with Apis mellifera. J. Apic. Res. 52: 1-28.

68. Dag, A., Harlev, G., Lavee, S., Zipori, I. and Kerem, Z. (2014) Optimizing olive harvest time under hot climatic conditions of Jordan Valley, Israel. Eur. J. Lipid. Sci. Technol. 116: 169-176.

69. Erel, R., Kerem, Z., Ben-Gal, A., Dag, A., Schwartz, A., Zipori, I., Basheer, L. and Yermiyahu, U. (2013) Tree N status is a key factor for oil quality. J. Agric. Food Chem. 61: 11261-11272.

70. Zipori, I., Dag, A., Tugendhaft, Y. and Birger, R. (2014) Mechanical harvesting of Table olives: Harvest efficiency and fruit quality. HortScience 49: 55-58.

71. Barazani, O., Westberg, E., Hanin, N., Dag, A., Kerem, Z., Tugendhaft, Y., Hamidt, M., Hijawi, T. and Kadereit, J.W, (2014) A comparative analysis of genetic variation in rootstocks and scions of old olive trees- a window into the history of olive cultivation practices and past genetic variation. BMC Plant Biol. 14: 146.

Old olive tree at Bet G’imal monastery

72. Avni, D., Hendriksma, H.P., Dag, A., Uni, Z. and Shafir, S. (2014) Nutritional aspects of bee-collected pollen and constraints on honey bee colony development in the eastern Mediterranean. J. Insect. Physiol. 69: 65-73. 

73. Bustan, A., Kerem, Z., Yermiyahu, U., Ben-Gal, A., Lichter, A., Droby, S., Zchori-Fein, E., Orbach, D., Zipori, I. and Dag, A. (2014) Preharvest circumstances leading to elevated oil acidity in 'Barnea' olives. Scientia Hort. 176: 11-21.

74. Buchmann, C., Felten, A., Peikert, B, Munoz, K., Bandow, N., Dag, A. and Schaumann, G.E. (2015) Development of phytotoxicity and composition of soil treated with olive mill wastewater (OMW): An incubation study. Plant Soil 386: 99-112.

75. Peikert, B., Schaumann, G.E., Keren, Y., Bukhanovsky, N., Borisover, M., Garfha, M., Shoqeir, J.H. and Dag, A. (2015). Characterization of topsoils subjected to poorly controlled olive oil mill wastewater pollution in West Bank and Israel. Agric. Ecosys. Environ. 199: 176-189.

76. Erel, R., Ben-Gal, A.,  Dag, A., Schwartz, A. and Yermiyahu U. (2014). Sodium replacement of potassium in physiological processes of olive trees (var. Barnea) as affected by drought.Tree Physiol. 34: 1102-1117.

77. Dag, A., Naor, A., Ben-Gal, A., Harlev, G., Zipori, I., Schneider, D., Birger, R., Peres, M., Gal, Y. and Kerem, Z. (2015). The effect of water stress on super-high density 'Koroneiki' olive oil quality. J. Sci. Food Agric. 95: 2016-2020.

78. Dag, A., Ben-Gal, A., Goldberger, S., Yermiyahu, U., Zipori, I., Or, E., David, I., Netzer, Y. and Kerem, Z. (2015). Sodium chloride distribution in grapevines as a function of rootstock and irrigation water salinity. Am. J. Enol. Vitic. 66: 80-84. 

79. Erel, R., Yermiyahu, U., Ben-Gal, A., Dag, A., Shapira, O. and Schwartz, A. (2015). Modification of non-stomatal limitation and photoprotection due to K and Na nutrition of olive trees. J. Plant Physiol. 177: 1-10.

80. Zipori, I., Yermiyahu, U., Erel, R., Presnov, E., Faingold, I., Ben-Gal, A. and Dag A. (2015). The influence of irrigation level on olive tree nutritional status. Irr. Sci. 33: 277-287.

81. Steinmetz, Z., Kurtz, M.P., Dag, A., Zipori, I. and Schumann, G.E. (2015). The seasonal influence of olive mill wastewater applications on an orchard soil under semi-arid conditions. J. Plant Nut. Soil 178: 641-648.

82. Frank, S., Dag, A., Yermiyahu, U., Zipori, I., Hadar, Y. and Minz, D. (2015). Seasonal effect and anthropogenic impact on the composition of the active bacterial community in Mediterranean orchard soil. FEMS Microb Ecol. 91 (9), fiv096.

83. Kurtz, M.P., Peikert, B., Bruhl, C., Dag, A., Zipori, I., Hassan, J. and Schaumann G.E. (2015) Effects of olive mill wastewater on soil microarthropods and soil chemistry in two different cultivation scenarios in Israel and Palestine Authority. Agric. 5: 857-878.

84. Arien, Y., Dag, A., Zarchin, S., Masci, T. and Shafir, S. (2015) Omega 3 deficiency impairs honey bee learning. PNAS 201517375.

85. Bustan, A., Dag, A., Yermiyahu, U., Erel, R., Presnov, E., Agam, N., Kool, D., Iwema, J., Zipori, I. and Ben-Gal, A. (2016) Fruit load governs transpiration of olive trees. Tree Physiol. 36: 380-391.

86. Zipori, I., Bustan, A., Kerem, Z. and Dag, A. (2016) Olive paste oil content on a dry weight basis (OPDW): an indicator for optimal harvesting time in modern oil olive orchards. Grasas y Aceites. 67 (2): e137. 

87. Tugendhaft, Y., Eppel, A., Kerem, Z., Barazani, O., Ben-Gal, A., Kadereit, W.J and Dag, A. (2016) Drought tolerance of three olive cultivars alternatively selected for rain fed or intensive cultivation. Scientia Hort. 199: 158-162.

88. Soda, N., Ephrath, J., Dag, A., Beiersdorf, I., Presnov, E., Yermiyahu, U. and Ben-Gal, A. (2016) Root growth dynamics of olive (Olea europaea L.) affected by irrigation induced salinity. Plant and Soil 411: 305.

Lysimeters- Gilat

89. Ben-Gal, A., Beiersdorf, I., Yermiyahu, U., Soda, N., Presnov, E., Zipori, I., Ramirez Crisotomo, R. and Dag, A. (2017) Response of young bearing olive trees to irrigation induced salinity. Irr. Sci. 35:99.

90. Erel, R., Yermiyhu, U., Yasuor, H., Cohen Chamus, D., Schwartz, A., Ben-Gal, A. and Dag, A. (2016) Phosphorous nutritional level, carbohydrate reserves, and flower quality in olives. PloS ONE 11(12): e0167591.

91. Barazani, O., Keren-Keiserman A., Westberg, E., Hanin, N., Dag, A., Ben-Ari, G., Fragman-Sapir, O., Tugendhaft, Y., Kerem, Z. and Kadereit, J.W. (2016) Genetic variation of naturally growing olive trees in Israel: from abandoned groves to feral and wild? BMC Plant Biol. 16:261.

92. Barazani, O., Waitz, Y., Tugendhaft, Y., Dorman, M., Dag, A., Hamidat, M., Hijawi, T., Kerem, Z., Kadereit, J.W. and Westberg, E. (2017) Testing the potential significance of different scion/rootstock genotype combination on the ecology of old cultivated olive trees in the southeast Mediterranean are. BMC Ecol. 17: 3. 

93. Namdar, D., Amrani, A., Ben-Ami, D., Hagbi, D., Szanton, M., Tchekhanovets, J., Uziel, J., Rosen, B., Dag, A. and Gadot, Y. (2018). The social and economic complexity of ancient Jerusalem as seen through choice in lighting oils. Arhaeometry 60: 571-593.

94. Zarchin, S., Dag, A., Salomon, M., Hendriksma, H.P. and Shafir, S. (2017). Honey bees dance faster for pollen that complements colony essential fatty acid deficiency. Behav. Ecol. Sociobiol. 71: 172.

95. Levy, G., Dag, A., Raviv, M., Zipori, I., Medina, S., Saadi, I., Krasnovski, A., Eisenberg, H. and Laor, Y. (2017). Annual spreading of olive mill wastewater over consecutive years: Effects on cultivated soils physical properties. Land Degradation and Development. 29: 176-187.

96. Arien, Y., Dag, A. and Dag, A. (2018). Omega 6:3 ration more than absolute lipid level in diet affects associative learning in honey bees. Frontiers Psychology. 9: 726. 

97. Pattemore, D., Buxton, M.N., Cutting, B.T., McBrydie, H., Goodwin, M. and Dag, A. (2018). Low overnight temperatures associated with the delay in 'Hass' avocado (Persea americana) female flower opening, leading to nocturnal flowering. J. Poll. Ecol. 23.

98. Zipori, I., Dag, A., Laor, Y., Levy, G., Eisenberg, H., Yermiyahu, U., Medina, S., Saadi, I., Krasnovski, A. and Raviv, M. (2018). Potential nutritional value of olive-mill wastewater applied to irrigated olive (Olea europaea L) orchard in semi-arid environment over 5 years. Scientia Hort. 241: 218-224.

99. Tietel, Z., Dag, A., Yermiyahu, U., Zipori, I., Beiersdorf, I., Krispin, S. and Ben-Gal, A. (2019). Irrigation induced salinity affects olive oil quality and health-promoting properties. J. Sci Food Agric. 99: 1180-1189.

100. Erel, R., Appel, A., Yermiyahu, U., Levy, G., Zipori, I., Schaumann., Mayer, O. and Dag, A. (2019). Long-term irrigation with reclaimed wastewater: implications on nutrient management, soil chemistry, and olive (Olea europaea L.) performance. Agric Water Manag. 213: 324-335.

101. Haberman, A., Dag, A., Shtern, N., Zipori, I., Erel, R., Ben-Gal, A. and Yermiyahu, U. (2019). Significance of proper nitrogen fertilization for olive productivity in intensive cultivation. Scientia Hort. 246: 710-717.

102. Barazani, O., Erez, T., Ogran, A., Hanin, N., Barzilai, M., Dag, A. and Shafir, S. (2019). Natural variation in flower color and scent in population of Eruca sativa (Brassicaceae) affects pollination behavior of hone bees. J. Insect Sci. 19 (3): 6. 

103. Basheer, L., Dag, A., Yermiyahu, U., Ben-Gal, A., Zipori, I. and Kerem, Z. (2019). Effect of reclaimed wastewater irrigation and fertigation level on olive oil composition and quality. J. Sci. Food Agric. 99: 6342-6349.

104. Haberman, A., Dag, A., Shtern, N., Zipori, I., Erel, R., Ben-Gal, A., and Yermiyahu, U. (2019). Long-term impact of potassium fertilization on soil and productivity in intensive olive cultivation. Agronomy 9: 525.  

105. Lazare, S., Haberman, A., Yermiyahu, U., Erel, R., Simanski, E. and Dag, A. (2019). Avocado rootstock influence scion leaf mineral content. Arch. Agron. Soil Sci. 1-11.

106. Eliyahu, A., Duman, Z., Sherf, S., Genon, O., Cinnamon, Y., Abu-Abied, M., Weinstein, R., Dag, A. and Sadot, E. (2019). Vegetative propagation of elite Eucalyptus clones as food source for honeybees (Apis mellifera); adventitious roots versus callus formation. Isr. J. Plant Sci. 1: 1-15. 

107. Shapira, T., Henkin, Z., Dag, A. and Mandelik, Y. (2020). Rangeland sharing by cattle and bees: moderate grazing does not impair bee communities and resource availability. Ecol. Appl. e02066

108. Lyu, Y., Porat, R., Yermiyahu, U., Heler, Y., Holland, D. and Dag, A. (2020). Effects of nitrogen fertilization on pomegranate fruit, aril and juice quality. J. Sci. Food Agric. 100: 1678-1686.

Pomegranates fertilization experiment

109. Zipori, I., Erel, R., Yermiyahu, U., Ben-Gal, A. and Dag, A. (2020). Sustainable management of olive orchard nutrition: a review. Agric. 10: 11.

110. Lazare, S., Lyu, Y., Yermiyahu, U., Heler, Y., Ben-Gal, A., Holland, D. and Dag, A. (2020). Optimizing nitrogen application for growth and productivity of pomegranates. Agronomy. 10 (3): 366.

111. Haberman, A., Tsror (Lahkim), L., Lazare, S., Hazanovsky, M., Lebiush, S., Zipori, I., Bustan, A., Simenski, E. and Dag, A. (2020). Management of Verticillium wilt of avocado using tolerant rootstocks. Plants. 9: 531.  

112. Arien, Y., Dag, A., Yona, S., Tietel, Z., Lapidot Cohen, T. and Shafir, S. (2020). Effect of diet lipids and omega 6:3 ration on honey bee brood development, adult survival and body composition. J. Insect Physiol. 104074.

113. Lazare, S., Lyu, Y., Yermiyahu, U., Heler, Y., Kalyan, G. and Dag, A. (2020). The effect of macronutrient availability on pomegranate reproductive development. Plants 9: 963. 

114. Tan, J., Ben-Gal, A., Shtein, I., Bustan, A., Dag, A. and Erel, R. (2020). Root structural plasticity enhances salt tolerance in mature olive. Environ. Exp. Bot. 179: 104224. 

115. Lazare, S., Zipori, I., Cohen, Y., Haberman, A., Goldshtein, E., Ron, Y., Rotschild, R. and Dag, A. (2021). Jojoba pruning: new practices to rejuvenate the plant, improve yield and reduce alternate bearing. Scientia Hort. 277: 109793.

116. Ben-Gal, A., Ron, Y., Yermiyahu, U., Zipori, I., Naoum, S. and Dag, A. (2021). Evaluation of regulated defecit irrigation for oil olives: a case study for two modern Israeli cultivars. Ag. Water Manag. 106577. 

117. Galili, E., Langgut, D., Terral, J.F., Barazani, O., Dag, A., Kolska Horwitz, L., Ogloblin Ramirez, I., Rosen, B., Weinstein-Evron, M., Chaim, S., Kremer, E., Lev-Yadun, S., Boaretto, E., Ben Barak Zelas, Z. and Fishman, a. (2021). Early production of Table Olives at a mid 7th millennium BP submerged site of the Carmel Coast (Israel). Scientific Reports 11: 1-15. 

118. Zipori, I., Fishman, A., Ben-Barak Zelas, Z., Subbotin, Y. and Dag, A. (2021) Effect of postharvest treatments of mechanically harvested 'Manzanilla' table olive on product quality. Postharvest Biol Technol. 111462. 

119. Karunakaran, R., Yermiyahu, U., Dag, A. and Sperling, O. (2021). Phosphorus fertilization induces nectar secration for honeybee visitation and cross-pollination of almond tree. J. Exp. Bot. 72: 3307-3319.

120. Kurtz, M.P., Dag, A., Zipori, I., Laor, Y., Saadi, I., Schaumann, G.E., Buchmann, C. and Diehl, D. (2021). Toward balancing the proc and cons of spreading olive mill wastewater in irrigated olive orchards. Processes 9: 780.

121. Perry, A., Tel-Zur, N. and Dag, A. (2021). Vegetative and reproductive response to fruit load in two jojoba (Simmondsia chinensis) cultivars. Agronomy 11: 889.

122. Lazare, S., Cohen, Y., Goldshtein, E., Yermiyahu, U., Ben-Gal, A. and Dag, A. (2021). Rootstock-dependent response of Hass avocado to salt stress. Plants 10: 1672.

123. Lazare, S., Perry, A., Tel-Zur, N., Sperling, O., Yermiyahu, U., Yasuor, H. and Dag, A. (2021). Metabolic reserves, carbohydrate balance and nutritional status of jojoba in relation to its annual cycle and fruit load.  Functional Plant Biology 48: 1277-1287. 

124. Lazare, S., Yasuor, H., Yermiyhu, U., Kuhalskaya, A., Bortman, Y., Ben-Gal, A. and Dag, A. (2021). Its takes two: reciprocal scion-rootstock relationships enable salt tolerance in 'Hass' avocado. Plant Sciences 312: 111048.

125. Haberman, A., Dag, A., Erel, R., Zipori, I., Shtern, N., Ben-Gal, A. and Yermiyahu, U. (2021). Long-term impact of phosphorous fertilization on yield and alternate bearing in intensive irrigated olive cultivation. Plants 10, 1821.

126. Barzilai, O., Dag, A., Avraham, M., Zemach, H., Sorek, Y. and Hocberg, U. (2021). Productivity vs. drought adaptation in olive leaves: comparison of water relation in a modern versus a traditional cultivar. Physiologia Plantarum. 173: 2298-2306.

127. Tietel, Z., Melamed, S., Eretz-Kdosha, N., Guetta, A., Gvirtz, R., Ogen-Shtern, N., Dag, A. and Cohen, G. (2021) Anti-herpes simplex 1 activity of Simmondsia chinesis (Jojoba) wax. Molecules 26: 6059.

128. Terral, J.F., Bonhomme, V., Pagnoux, C., Lvorra, S., Newton, C., Paradis, L., Ater, M., Kassout, J., Limier, B., Bouby, L., Cornet, F., Barazani, O., Dag, A. and Galili, E. (2021). Pit shape diversity in the olive tree, as a result of a long and complex domestication and diversification history, unveils of the oldest table olive of over 7000-years-old from Hishuley Carmel site (Israel). Agronomy 11: 2187. 

129. Tepper, Y., Porat, N., Langgut, D., Barazani, O., Bajpal, P.K., Dag, A., Erlich, Y., Boaretto, E. and Bar-Oz, G. (2022). Relict olive trees at Runoff Agriculture remains in Wadi Zetan, Negev Desert, Israel. J. Archaeological Sci. Reports. 41: 103302.

130. Zipori, I., Yermiyahu, U., Dag, A., Erel, R., Ben-Gal, A., Quan, L. and Kerm, Z. (2023). Effect of macronutrient fertilization on olive oil composition and quality under irrigated, intensive cultivation. J. Sci. Food Agri. 103: 48-56. 

131. Lazare, S., Vitoshkin, S., Alchanatis, V., Reshef, G., Ziv, D., Simenski, A. and Dag, A. (2022). Canopy-cooling systems applied on avocado trees to mitigate heatwaves damages. Scientific Reports. 12: 12563.

132. Sperling, O., Erel, R., Dag, A. and Yermiyahu, U. (2023). Mineral mass balances reveal the phenology of evergreen and decidus tree crops' nutrient uptake. Irr. Sci. 41: 649-661. 

133. Wechsler, T., Bakhshian, O., Engelen, C., Dag, A., Ben-Ari, G. and Samach, A. (2022). Determining developmental stages that contribute to variation in yield of olive trees from different cultivars, irrigation regimes, age and location. Plants. 11: 2414.

134. Barzilai, O., Avraham, M., Wagner, Y., Dag, A. and Hochberg, U. (2022). To - 8 MPa and back: in situ annual water relation in non-irrigated olive trees. Journal of Plant Hydraulics, 8: e001. 

135. Barazani, O., Dag, A. and Dunseth, Z. (2023). The history of olive cultivation in the Near East. Frontiers in Plant Science. 14: 1131557.

136. Erel, R., Yermiyahu, U., Yasuor, H., Ben-Gal, A., Zipori, I. and Dag, A. (2023). Elevated fruit nitrogen impairs oil biosynthesis on olive (Olea europaea L.). Frontiers in Plant Science. 1180391.

137. Dag, A., Badichi, S., Ben-Gal, A., Perry, A., Tel-Zur, N., Ron, Y., Tietel, Z. and Yermiyahu, U. (2023). Optimizing nitrogen application for jojoba under intensive cultivation. Plants. 17: 3132.

Jojoba plantation

138. Rozenfeld, S., Kalo, N., Naor, A., Dag, A., Edan, Y. and Alchanatis, V. (2024). Thermal imaging for identification of malfunctions in subsurface irrigation in orchards. Precision Agriculture. 25:  1038-1066.

139. Tietel, Z., Melamed, S., Orgen-Shtern, N., Eretz-Kdosha, N., Silberstein, E., Ayzenberg, T., Dag, A. and Cohen, G. (2024). Topical application of jojoba (Simmondsia chinesis L.) wax enhances the synthesis of pro-coolagen III and hyaluronic acid and reduces inflammation in the ex-vivo human skin organ culture model. Frontiers in Pharmacology 15: 1333085.

140. Dag, A., Zipori, I. and Tietel, Z. (2024). Factors affecting olive oil quality in traditional olive orchards in the Middle East. HortTechnology 34: 396-404.

141. Ziskin, R., Dag, A., Yermiyahu, U. and Levy, J.L. (2024). Different amendments for combating soil sodicity in an olive orchard. Agricultural Water Management. 299: 108837.

142. Ben-Gal, A., Badichi, S., Ron, Y., Perry, A., Yermiyahu, U., Tietel, Z., Tel Zur, N. and Dag, A. (2024). Effects of irrigation amounts and a deficit irrigation strategy on water status and yiealds of intensively cultivated jojoba (Simmondsia chinesis). Irrigation Science (accepted)

143. Sagili, R., Melathopoulos, A., Delaplane, K., Dag, A., Danka, R., Freitas, B., Garbaldi, L. and Hormaza, J. (2024). Standard methods for pollination research with Apis mellifera 2.0. Journal of Apicultural Research. (accepted)

Articles of symposia proceedings

1. Dag, A., Eisenstein, D., Degani, C., El-Batsri, R., Zelig, M., Ziv, G. and Gazit, S. (1997) Tommy Atkins mango as pollenizer for Lili. Acta Hort. 455: 209-216. 

2. Dag, A., Degani, C. and Gazit, S. (2001) In-hive pollen transfer in mango. Acta Hort. 561: 61-65.

3. Dag, A., Eisenstein, D. and Gazit, S. (2001) Effects of three fungicides used to control powdery mildew in mango on pollen germination and pollen-tube growth. Proc. Interamer. Soc. Trop. Hort. 43: 123-126.

4. Bilu, A., Rav-David, D., Dag, A., Shafir, S., Abu-Toamy, M. and Elad, Y. (2004) Using honeybees to deliver a biocontrol agent for the control of strawberry Botrytis cinerea- fruit rots. Proc. IOBC Meeting, Trentino, Italy: 17-21. 

5. Stern, R., Zisovich, A., Dag, A., Shafir, S. and Goldway, M. (2005) Increasing yieald of 'Spadona' pear (Pyrus communis L.) by appropriate utilization of bee hives. Acta Hort. 671: 143-150.

6. Dag, A., Tugendhaft, Y., Yogev, U., Shatzkin, N. and Priel, N. (2006) Commercial cultivation of olive (Olea europaea L.) with saline water under extreme desert conditions. Acta. Hort. 791: 279-284.

7. Zipori, I., Shuker, S., Dag, A. and Tomer, E. (2006) Guava breeding in Israel. Acta Hort. 735: 39-47.

8. Ben Gal, A., Dag, A., Yermiyahu, U., Zipori, I., Presnov, E., Faingold, I. and Kerem, Z. (2006) Evaluation of irrigation in converted rain fed olive orchard: the transition year. Acta Hort. 792: 99-106.

9. Dag, A., Avidan, B., Birger, R. and Lavee, S. (2006) High density olive orchards in Israel. 2nd Int. Sem. Olivebioteq Proc. Vol. 2. Marsala Italy. pp. 31-36.

A vine harvester used for olive harvesting

10. Dag, A., Degani, C. and Gazit, S. (2009) Gene flow in mango orchards and it's impact on yield. Acta Hort. 820: 347-350.

11. Alchanatis, V., Cohen, Y., Sprinstin, M., Naor, A., Meron, M., Cohen, S., Ben Gal, A., Agam, N., Yermiyahu, U. and Dag, A. (2009) Evaluating water status in irrigated grapevines and olives. Proc. 8th. Fruit, Nut and Vegetable Production Engineering Symp.Concepcion, Chile.: 41-48.

12. Erel, R., Dag, A., Ben-Gal, A., Yermiyahu, U. and Schwartz, A. (2011) The role of nitrogen, phosphorus and potassium on olive tree productivity. Acta Hort. 888: 259-267.

13. Zipori, I., Yermiyahu, U., Ben-Gal, A. and Dag, A. (2011) Response of oil-olive trees to iron application. Acta Hort. 888: 295-300.

14. Ben-Gal, A., Yermiyahu, U., Zipori, I., Presnov, E., Agam, N., Dag, A., Kerem, Z., Basheer, L. and Hanoch, E. (2011) Determining irrigation levels for a modern Israeli olive orchard: towards maximum yields of high quality oil. Acta Hort. 888: 47-52.

15. Dag, A., Ben-Gal, A., Zipori, I., Yermiyahu, U., Birger, R., Abd El Hadi, F. and Lin, A. (2011) Are there boron deficiencies in almond orchards in Israel ?. Acta Hort. 912: 221-227.

16.Dag, A., Cohen, Y., Alchanatis, V., Zipori, I., Sprinstin, M., Cohen, M., Maaravi, T. and Naor, A. (2015) Automated detection of malfunctions in drip-irrigation system using thermal remote sensing in vineyards and olive orchards. Proc. 10th Eur. Conf. Precision Agric. 519-525.

17. Rud, R., Cohen, Y., Alchanatis, V., Beiersdorf, I., Klose, R., Presnov, E., Levi, A., Brikman, R., Agam, N., Dag, A. and Ben-Gal, A. (2015). Characterization of salinity-induced effects in olive trees based on thermal imagery. Proc. 10th Eur. Conf. Precision Agric.511-517.

18. Dag, A., Erel, R., Kerem, Z., Ben-Gal, A., Stern, N., Bustan, A., Zipori, I. and Yermiyahu, U. (2018). Effect of nitrogen availability on olive oil quality. Acta Hort. 1199: 465-470.

19. Zipori, I., Yermiyahu, U., Tugendhaft, Y., Ben-Gal, A. and Dag, A. (2018). The response of olive (Olea europaea) trees to zinc nutrition. Acta Hort. 1199: 351- 356.

20. Erel, R., Yermiyhu, U., Ben-Gal, A. and Dag, A. (2017). Olive fertilization under intensive cultivation management. Acta Hort. 1217: 207-224.

21. Pattemore, D.E., Evans, L.E., McBrydie, H.M., Dag, A., Howlett, B.G., Cutting, B. and Goodwin, M. (2020) Understanding pollination processes in avocado (Persea americana). Acta Hort. 1299: 317-328.

22. Lazare, S., Bar-Noy, Y., Cohen, H., Haberman, A., Yermiyahu, U., Kalyan, G. and Dag, A. (2021). Foliar application of boron to improve 'Hass' avocado productivity. Acta Hort. 1333: 323-328. 

23. Dag, A., Lyu, Y., Porat, R., Heler, Y. and Yermiyahu, U. (2023). Optimizing nitrogen, phosphorus and potassium fertilization for pomegranate fruit and juice quality. Acta Hort. 1375: 61-72. 

Books & book chapters

1. Dag, A. (2010) Crop pollination in modern agriculture. In: Plant- Animal interrelationships (Z. Dubinsky and J. Seckbach eds.) Springer Press. pp. 163-181.

2. Yermiyahu, U., Dag, A. and Ben-Gal, A. (2011) Proceeding of the International Symposium on Olive Irrigation and Oil Quality. Acta Hort. 888.

3. Eisikowitch, D., Dag, A. and Afik, O. (2020) Crop pollination in Israel. The Extension Service, Ministry of Agriculture, Israel. 

4. Dag, A. (2020) Management of honey bee colonies for crop pollination. In: Towards sustainable crop pollination services: Measures at field, farm and landscape. FAO Book. pp. 15-21.

5. Dag, A., Yermiyahu, U and Atkinson, D. (2022) Proceeding of the 9th International Symposium on Mineral Nutrition of Fruit Crops. Acta Hort. 1333.

6. Dag, A., Erel, R., Zipori, I. (2023) Nutrition and fertilization. In: The Olive: Botany and Production (eds A Fabri et al.). pp. 374-414. 

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