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STATE OF ISRAEL I MINISTRY OF AGRICULTURE AND RURAL DEVELOPMENT   
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About Institutes Public Relations Technology Transfer Students\International Library Administration
שלח באימייל הדפס
 
Name: Ezra Dunkelblum, Ph.D. (Retiree)
Units: Plant ProtectionEntomology and the Nematology and Chemistry units
Research Interests / Job description  
Tel:  972-3-9683807
Cell: 050-6972760
Fax:972-39683781
Email:  edun@volcani.agri.gov.il
Office location:Entomology Department
Address:Department of Entomology
Agricultural Research Organization
The Volcani Center
P.O.Box 6, Bet Dagan 50250 Israel
Research Interests / Job description
Chemical communication
Sex pheromone identification and application
Moth pests
Scale insect pests
Sex pheromone identification

 Zada, A., Dunkelblum, E., Assael, F., C. Franco, J., da Silva, E. B., Protasov, A. and Mendel, Z. 2008. Attraction of Planococcus ficus males to racemic and chiral  pheromone baits: flight activity and bait longevity. J. Appl. Entomology. 132: 480-489.

Harari, A., Zahavi, T., Gordon, D., Anshelevich, L., Harel., Ovadia, Sh. and Dunkelblum, E. 2007. Pest management programs in vineyards using male mating disruption. Pest Management Science 63: 769-775.

Anat Zada and Ezra Dunkelblum, 2006. A convenient resolution of racemic lavandulol through lipase-catalyzed acylation with succinic anhydride: simple preparation of enantiomerically pure (R)-lavandulol. Tetrahedron Asymm. 17: 230-233.

 Branco, M., Franco, J.C., Dunlkelblum, E., Assael, F., Protasov, A., Ofer, D. and Mendel, Z. 2006. A common mode of kairomonal attraction of larvae and adults of insect predators to the sex pheromone of their prey (Hemiptera: Matsucoccidae). Bull. Entomol. Res. 96: 179-185.

 Larkov. O., Dunkelblum, E., Zada, A., Lewinsohn, E., Freiman, L., Dudai, N. and Ravid, U. 2005. Enantiomeric composition of (E)- and (Z)-sabinene hydrate and their acetates in five Origanum spp. Flavour and Fragrance J. 20:109-114.

Gordon, D., Zahavi, T., Anshelevich, L., Harel, M., Ovadia, Sh., Dunkelblum, E. and Harari, A.R.  2005. Mating Disruption of Lobesia botrana Den. & Schiff. (Lepidoptera: Tortricidae): the Effects of Pheromone Formulations and Concentrations. J. Econ. Entomol. 98: 135-142.

Michal Mazor and Ezra Ddunkelblum, 2005. Circadian rhythms of sexual behavior and pheromone titers of two closely related moth species Autographa gamma and  Cornutiplusia circumflexa.  J. Chem. Ecol. 31: 2153-2168.

 Zada, A., Ben-yehuda, S., Dunkelblum, E., Harel, M., Aassael, F. and Mendel, Z. 2004. Synthesis and biological activity of the four stereoisomers of 4-methyl-3-heptanol: main component of the aggregation pheromone of Scolytus amygdali. J. Chem. Ecol. 30: 631-641.

 Zada, A., Dunkelblum, E., Harel, M., Assael, F., Gross, S. and Mendel, Z. 2004. Sex Pheromone of the Citrus Mealybug Planococcus citri: Synthesis and Optimization of Trap Parameters. J. Econ. Entomol. 97: 361-368.

Mendel, Z., Assael, F.  and Dunkelblum, E. 2004. Kairomonal attraction of predatory bugs Heteroptera: Anthocoridae) and brown lacewings (Neuroptera: Hemerobiidae) to sex pheromones of Matsucoccus species (Hemiptera: Matsucoccidae). Biological control, 30:134-140.

Zada, A., Dunkelblum, E., Assael, F., Harel, M., Cojocaru, M. and  Mendel, Z. 2003. Sex pheromone of the vine mealybug, Planoccocus ficus in Israel: Occurrence of a second component in a mass-reared population. J. Chem. Ecol. 29: 977-988.

Mendel, Z, Dunkelblum, E.,  Branco, M., Franco, J.C., Kurosawa, S. and Mori, K. 2003. Synthesis and structure-activity relationship of diene modified analogs of Matsucoccus sex pheromones. Naturwissenschaften, 90: 313-317.

 Zada, A., Soroker, V., Harel, M, Nakache, J. and Dunkelblum, E. 2002. Quantitative GC analysis of secondary alcohol pheromones: determination of the release rate of the red palm weevil, Rhynchophorus ferrugineus pheromone from lures. J. Chem. Ecol. 28: 2279-2286.

 Dunkelblum, E., Harel, M.,  Assael, F., Mori, K. and  Mendel, Z. 2000. Specificity of pheromonal and kairomonal response of the Israeli  pine bast scale Matsucoccus josephi (Homoptera: Matsucoccidae) and its predator Elatophilus hebraicus (Hemiptera: Anthocoridae). J. Chem. Ecol. 26: 1649-1657.

 Kurosawa, S., Takenaka, M., Dunkelblum, E., Mendel, and Mori, K. 2000. Pheromonal and kairomonal activities can be separated: Synthesis and bioactivity studies of pine bast scale scale pheromones and their analogs. Chembiochem 1: 56-66.

 Kehat, M., Anshelevich, L, Gordon, D., Harel, M., Zilberg, L. and Dunkelblum, E. 1999. Effect of density of pheromone sources, pheromone dosage and population pressure on mating of pink bollworm, Pectinophora gossypiella (Lepidoptera: Gelechiidae). Bull. Entomol. Res. 89: 339-345.

 Kehat, M., Anshelevich, L, Gordon, D., Harel, M. and Dunkelblum, E. 1998. Evaluation of Shin Etsu twist-tie rope dispensers by the mating table technique for disrupting mating of the cotton bollworm, Helicoverpa armigera (Lepidoptera: Noctuidae) and the pink bollworm, Pectinophora gossypiella (Lepidoptera: Gelechiidae). Bull. Entomol. Res. 88: 141-148.

 Gries, R., Dunkelblum, E., Gries, G., Baldilla Velasques and Oehlschlager, A. C. 1998. Sex pheromone components of Diatraea considerata (Heinrich ) (Lepidoptera: Pyralidae). J. Appl. Entomol. 122: 265-268.

Dunkelblum, E.,  Mendel, Z., Gries, G., Gries, R., Zegelman, L., Hassner, A. and  Mori, K. 1996. Antennal response and field attraction of the predator Elatophilus hebraicus (Hemiptera: Anthocoridae) to sex pheromones and analogs of three Matsucoccus Spp. (Homoptera: Matsucoccidae). Bioorganic & Medicinal Chemistry 4: 489-494.

 Kehat, M., Anshelevich, L. and Dunkelblum, E. 1995. Control of codling moth, Cydia pomonella (L.) by  mating disruption in apple and pear orchards in Israel. Phytoparasitica 23: 285-296.

 Mendel, Z., Zegelman, L., Hassner, A., Assael, F., Harel, M., Tam, S. and Dunkelblum, E. 1995. Outdoor attractancy of males Matsucoccus josephi  (Homoptera: Matsucoccidae) and Elatophilus hebraicus (Hemiptera: Anthocoridae) to the synthetic female sex pheromone of Matsucoccus josephi. J. Chem. Ecol. 21: 331-341.

 Dunkelblum, E., Gries, R., Gries, G., Mori, K. and Mendel, Z.,1995. Chirality of the Israeli pine bast scale, Matsucoccus josephi (Homoptera: Matsucoccidae) sex pheromone. J. Chem. Ecol. 21: 849-858.

 Altstein, M., Dunkelblum, E., Gabay, T., Ben-Aziz, O.,  Schafler, I. and Gazit, Y. 1995. PBAN-induced sex pheromone biosynthesis in  Heliothis peltigera: Structure, dose and time-dependent analysis. Arch. Insect Biochem. and Physiol. 30: 307-319.

 Dunkelblum, E., Rodrigues, C., Oehlschlager, C. and Vargas, G.M. 1995. Determination of the sex pheromone of Spodoptera sunia (Lepidoptera: Noctuidae) on melon. Manejo Integrado de Plagas 37: 34-38.

 

 

 

 

 

 

 

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