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About Institutes Public Relations Technology Transfer Students\International Library Administration
שלח באימייל הדפס
Name: Arnon Dag, Ph.D. (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
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. Europ. 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., Yermiahu, 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 - valuble 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., Yeriyahu, 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 shartage 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. Titel, Z., Porat, R., Zipori, I. and Dag, A. (2011). Aroma volatile compostions of high- and low-aromatic guava varaieties. 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) Standart 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 phtotoxicity 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 nensity '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 influance 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 wight 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) Droght 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 (accepted)

89. Ben-Gal, A., Beiersdorf, I., Yermiyahu, U., Soda, N., Presnov, E., Zipori, I., Ramirez Crisotomo, R. and Dag, A. (2016) Response of young bearing olive trees to irrigation induced salinity. Irr. Sci. (accepted)

90. Erel, R., Yermiyhu, U., Yasuor, H., Cohen Chamus, D., Schwartz, A., Ben-Gal, A. and Dag, A. (2016) Phsphorous 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 abadoned 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 conbination on the ecology of old cultivated olive trees in the southeast Mediterranean are. BMC Ecol. (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 yieald. 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. Percision 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. Percision Agric.511-517.

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.

Updated on: 16/02/17 13:54
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