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Phytopathology

Dr. Leah TsrorLeah Tsror, Ph.D.
Tel.: 972 8 992-8660
Fax: 972 8 992-6337
Mobile: 056 220 133
tsror@volcani.agri.gov.il
tsror@bgumail.bgu.ac.il

Plant Pathology Unit
Gilat Research Center
Mobile Post Negev 85280
Israel

Information on potato diseases (illustrated):
Aerial Stem Rot
Black Dot, Colletotrichum coccodes
Blackleg and Tuber Soft Rot
Black Scurf, Rhizoctonia Canker
Common Scab, Streptomyces scabies
Deep Pitted Scab, Streptomyces spp
Early Blight, Alternaria solani

Leak, Pythium ultimum
PLRV, Potato Leafroll Virus
Powdery Scab, Spongospora subterranea
PVX, Potato Virus X
PVY, Potato Virus Y
Verticillium Wilt, Verticillium dahliae

Tomato plantAreas of Expertise

  • Potato diseases
  • Soil-borne diseases
  • Verticillium wilt
  • Soil disinfestation
  • Disease control in organic crops
  • Disease diagnosis (Ma'amatz Negev)

Current Projects Funding
Etiology, epidemiology and disease control in potato Chief Scientist,
Vegetable Board,
Chemical companies
Verticillium wilt (in potato, sweet pepper, olive, etc.) "Kemach",
Chief Scientist
Soil-borne diseases in flowers - asclepias Chief Scientist,
Flower Board
Disease control in organic vegetables Chief Scientist,
Organization of Biological Agriculture
Diseases of jojoba (Fusarium) Chief Scientist

Publications

PaprikaA. Articles in reviewed journals

  1. Shcolnick, S., Dinoor, A. and Tsror (Lahkim), L. (2007). Additional vegetative compatibility groups in Colletotrichum coccodes subpopulations from Europe and Israel. Plant Disease (in Press).
  2. Tsror (Lahkim), L., Hazanovsky M. and Erlich O. (2007). Host specific Fusarium oxysporum causes wilt of jojoba. J. of Phytopathology (in Press).
  3. Chapagain, B.P., Wiesman, Z. and Tsror (Lahkim), L. (2007). In vitro study of the antifungal activity of saponin-rich extracts against prevalent phytopathogenic fungi. Industrial Crops and Products (in Press).
  4. Tsror (Lahkim), L., Lebiush, S., Meshulam, M., Erlich, O., Hazanovsky, M., Aharon, M., Matan, E., Tregerman, M. and Gamliel, A. (2006). Biofumigation for the Control of Soilborne Diseases. Acta Horticulture (in Press).
  5. Nitzan, N., Tsror (Lahkim), L. and Johnson, D.A. (2006). Vegetative compatibility groups and aggressiveness of North American isolates of Colletotrichum coccodes, the causal agent of potato black-dot. Plant Disease 90: 1287-1292.
  6. Ben-Yephet, Y., Tsror, L., Reuven, M., Gips, A., Bar, Z., Einstein, A., Turjeman, Y., and Fine, P. (2005). Effect of Ecosoil and NH3 in controlling soil borne pathogens. Acta Horticulture 698: 115-119.
  7. Tsror (Lahkim), L., Shlevin, E. and Peretz-Alon, I. (2005). Efficacy of Metam Sodium for Controlling Verticillium dahliae Prior to Potato Production in Sandy Soils. Am. J. Pot. Res. 82: 419-423.
  8. Erukhimovitch, V., Tsror,L., Hazanovsky, M., Talyshinsky, M., Mukmanov, I., Souprun, Y. and Huleihel, M. (2005). Identification of Fungal Phyto-Pathogens by Fourier-transform infrared (FTIR) microscopy. J. Agric. Technology, 1: 145-152.
  9. Tsror (Lahkim), L. and Peretz-Alon, I. (2005). The influence of the inoculum source of Rhizoctonia solani on development of black scurf on potato. J. of Phytopathology, 153: 240-244.
  10. Tsror (Lahkim), L., Hazanovsky, M., Lebiush-Mordechai, S. and Ben-David, T. (2005). Control of Root Rot and Wilt caused by Pythium myriotylum in Kangaroo Paw (Anigozanthos). J. of Phytopathology, 153: 150-154.
  11. Tsror (Lahkim), L. and Peretz-Alon, I. (2004). Control of silver scurf on potato by dusting or spraying seed tubers with fungicides before planting. Am. Pot. J. Res. 81: 291-294.
  12. Tsror (Lahkim), L. (2004). Effect of light duration on severity of black dot caused by Colletotrichum coccodes on potato. Plant Pathology 53(3): 288–293
  13. Tsror (Lahkim), L., Hazanovsky, M., Lebiush-Mordechai, S., Ben-David, T., Dori, I. and Matan, E. (2004). Root Rot and Wilt of Kangaroo Paw (Anigozanthos manglesii) Caused by Pythium myriotylum (Drechs.) in Israel. J. of Phytopathology, 152: 114-117.
  14. Tsror (Lahkim), L. and Levin A.G. (2003). Vegetative compatibility and pathogenicity of Verticillium dahliae Kleb. isolates from olive in Israel.J. of Phytopathology, 151: 451-455.
  15. Nitzan, N. and Tsror (Lahkim), L. (2003). Effect of temperature and pH on in vitro growth of Colletotrichum coccodes isolates. Am. Pot. J. 80: 95-99.
  16. Levin, AG., Lavee, S and Tsror (Lahkim), L. (2003). Epidemiology and effects of Verticillium wilt on yield in olive (cvs. Barnea and Souri) irrigated with saline water in Israel. Phytoparasitica, 31: 333-343.
  17. Levin, AG., Lavee, S and Tsror (Lahkim), L. (2003). Epidemiology of Verticillium dahliae on olive (cv. Picual) and its effect on yield under saline conditions. Plant Pathology, 52: 212-218.
  18. Nitzan, N. and Tsror (Lahkim), L. (2002). Vegetative compatibility groups in Colletotrichum coccodes, the causal agent of black dot on potato. Phytopathology. 92: 827-832.
  19. Tsror (Lahkim), L. and Peretz-Alon, I. (2002). Reduction of silver scurf on potatoes by pre- and post-storage treatment of seed tubers with imazalil. Am. Pot. J. 79: 33-37
  20. Tsror (Lahkim), L. and Hazanovsky, M. (2001). Effect of co-inoculation by Verticillium dahliae and Colletotrichum coccodes on disease symptoms and fungal colonization in four potato cultivars. Plant Pathology, 50: 483-488.
  21. Tsror (Lahkim), L., O. Erlich, Hazanovsky, M., S. Mordechi-Lebiush and S. Sivan. (2001). Aggressiveness of Verticillium dahliae isolates from different vegetative compatibility groups to potato and tomato. Plant Pathology, 50: 477-482.
  22. Tsror (Lahkim), .L., O. Erlich, Y. Cahlon, A. Hadar, Y. Cohen, L. Klein and I. Peretz-Alon. (2000). Control of Verticiilium dahliae prior to potato production by soil fumigation with chloropicrin. Acta Horticulture, 532: 201-204.22.
  23. Tsror (Lahkim), L., Barak, R. and Sneh, B. (2000). Biological control of Black Scurf on potato under organic management. Crop Protection, 20: 145-150.
  24. Tsror (Lahkim), L., Erlich, O., Hazanovsky, M., Dori, I., Skutelsky, Y. and Matan, E. (2000). Control of wilt and root diseases of Asclepias tuberosa L. IOBC wprs Bulletin, 23(1): 71-75.
  25. Tsror (Lahkim), L., Aharon, M. and Erlich, O. (1999). A survey of bacterial and fungal seedborne diseases in imported and domestic potato seed tubers. Phytoparasitica, 27: 215-226.
  26. Tsror (Lahkim), L., Orly Erlich and Marina Hazanovsky. (1999). The effect of Colletotrichum coccodes (Wallr.) on potato yield, tuber quality and stem colonization during spring and autumn. Plant Disease, 83: 566-568.
  27. Tsror (Lahkim), L. (1999). Biological control of early blight in tomatoes. Acta Horticulture, 487: 271-273.
  28. Termorshuizen, A.J., Davis, J.R., Gort, G., Harris, D.C., Huisman, O.C., Lazarovits, G., Locke, T., Melero, J.M., Mol, L., Paplomatas, E.J., Olatt, H.W., Powelson, M., Rouse, D.I., Rowe, R.C. and Tsror, L. (1998). Comparison of existing methods performed at different laboratories to quantify microsclerotia of Verticillium dahliae in soil. Applied and Environmental Microbiology, 64: 3846-3853.
  29. Tsror (Lahkim), L., Erlich, O., Amitai, S. and Hazanovski, M. (1998). Verticillium wilt of paprika caused by a highly virulent isolate of Verticillium dahliae. Plant Disease. 82: 437-439.
  30. Tsror (Lahkim), L., Hazanovski, M., Erlich, O. and Dagytiar, N. (1997). Wilt and root diseases of Asclepias tuberosa. Plant Disease. 81: 1203-1205.
  31. Gamliel, A., Grinstein, A., Pertz, Y., Klein, L., Nachmias, A., Tsror, L., Livescu, L. and Katan, J. (1997). Reduced dosage of methyl bromide for controlling Verticillium wilt of potato in experimental and commercial plots. Plant Disease. 81: 469-474.
  32. Tsror (Lahkim), L. and Nachmias, A. (1995). Verticillium wilt comparison of the tolerance phenomenon in potato to Ve gene resistance in tomato. Israel J. Plant Sciences. 43: 315-323.
  33. Nachmias, A. Tsror (Lahkim), L., Livescu, L. and Krikun, J. (1995). The use of methyl bromide as a soil disinfectant in potato cultivation in Israel. Acta Horticulture 382: 145-155.
  34. Tsror (Lahkim), L., Nachmias, A., Erlich, O., Aharon, M. Perombelon, M. (1993). A 9-year monitoring of diseases on potato seed tubers imported to Israel. Phytoparasitica 21: 321-328.
  35. Nachmias, A., Kaufman, Z., Livescu, L. Tsror, L., Meiri, A., Caligari, P.D.S. (1993). Effects of salinity and its interactions with disease incidence on potatoes grown in hot climates. Phytoparasitica 21: 245-255.
  36. Tsror (Lahkim), L., Nachmias, A., Barak, Z. and Keen, N. (1990). E. coli carrying pectate lyase gene from the phytopathogenic Erwinia causes disease symptom in potato. Phytoparasitica 19: 57-63.
  37. Tsror (Lahkim), L., Livescu, L. and Nachmias, A. (1990). Effect of light duration and season on Verticillium wilt in potato. Phytoparasitica 18: 331-339.
  38. Bain, R.A., Perombelon, M.C.M., Tsror, L., and Nachmias, A. (1990). Blackleg development and tuber yield in relation to numbers of Erwiniacarotovora subsp. atroseptica on seed potatoes. Plant Pathology 39: 125-133.
  39. Tsror (Lahkim), L., Nachmias, A., Livescu, L., Perombelon, M., Barak, Z. (1990). Effect of Erwiniacarotovora subsp. carotovora on Verticillium wilt development in potato in Israel. Potato Research 33: 3-11.
  40. Nachmias, A., Buchner, V., Tsror, L., Burstein, Y. and Keen, N. (1987). Differential phytotoxicity of peptides from culture fluids of Verticilliumdahliae races 1 and 2 and their relationship to pathogenicity of the fungi on tomato. Phytopathology 77: 506-510.
  41. Lahkim-Tsror, L., Pascar-Gluzman, C., Margalit, J. and Barak, Z. (1983). Larvicidal activity of Bacillus thuringiensis subsp. israelensis serovar H-14 in Aedesaegypti: histopathological studies. J. Invert. Pathol. 41: 104-116.
  42. Krikun, J., Nachmias, A., Cohen, R. and Lahkim-Tsror, L. (1982). The occurrence of Fusarium crown and root rot of tomato in Israel. Phytoparasitica 10: 113-115.

B. Articles in Hebrew journals, Reviewed (Specific articles are reviwed upon request)

  1. Tsror, L., Erlich, O., Hazanovsky, M., Aharon, M., Tropanov, V. and Zig, U. (2006). Control of silver scurf on potato. Gan Sadeh Vameshek 9: 46-48.
  2. Tsror, L., Erlich, O., Hazanovsky, M., Aharon, M., Tropanov, V. and Zig, U. (2006). Control of black dot on potato. Gan Sadeh Vameshek 8: 36-38.
  3. Dag, A., Vininger, B., Zipori, I., Aharon, M., Charceski, B., Tsror, L. and Erlich, O. (2006). The effect of arabuscular mycorrhizal fungi on the development of olive rotted cuttings. Alon HaNotaea 60: 181-184.
  4. Tsror, L., Lebiush-Mordechai, S., Gamliel, A., Yirmyahu, U., Minz, D. and Tregerman, M. (2006). Biofumigation to reduce soil-borne pathogens. Yevul-Si, Maariv 19: 62-66.
  5. Tsror, L. and Peretz-Alon, I. (2004). Improvement of potato quality by controlling black and silver scurf and black dot. Haklaei Israel 16: 44-45.
  6. Tsror, L. Hazanovsky, M. and Peretz-Alon, I. (2004). Potato black dot. Gan Sadeh Vameshek 7: 25-29.
  7. Tsror, L. Erlich, Lavee, Peretz-Alon and van de Haar. (2004). Potato silver scurf control. Gan Sadeh Vameshek 7: 34-40.
  8. Tsror, L., Erlich, O., Hazanovsky, M., Lebiush-Mordechai, S., Aharon, M. and Peretz-Alon, I. (2003). Black dot on potato. Gan Sadeh Vameshek 7: 35-39.
  9. Tsror, L., Erlich, O., Lavee, M., Peretz-Alon, and van de Haar, J. (2003). Control of silver scurf on potato – second year. Gan Sadeh Vameshek 7:28-34.
  10. Tsror, L., Erlich, O., Lavee, M., Peretz-Alon, and van de Haar, J. (2002). Control of silver scurf on potato – joint project with Holland. Gan Sadeh Vameshek 7:29-33.
  11. Tsror, L., Lebiush-Mordechai, S., Erlich, O., and Peretz-Alon, I. (2001). Rapid diagnostics of Verticillium dahliae in potato seed tubers. Gan Sadeh Vameshek 7:41-43.
  12. Peretz-Alon, I., Golan, A., Lavy, M., Talmor, Z., Zarka, S. and Tsror, L. (2000). Comparison of the efficiency of fungicides in controlling seed-borne diseases in cultivar Desiree. Gan Sadeh Vameshek 6:34-35.
  13. Tsror, L., Shlevin, E., Ben-Nun, E., Meler, B., Bigel, Z., Peretz-Alon, I., Cahlon, Y., Hadar, A. and Shmueli, M. (2000). Efficiency of Telopic (C35) in controlling Verticillium wilt of potato. Gan Sadeh Vameshek 6:30-33.
  14. Tsror (Lahkim), L., Hazanovski, M., Erlich, O. (1997). Verticillium wilt of paprika pepper in Israel. Hassadeh 77:44-49. (in Hebrew).
  15. Tsror (Lahkim), L., Livescu, L., Aharon, M., Erlich, O., Barak, R., Peretz, I., Bing, B., and Yaniv, A. (1996). Control of black scurf in potato by Monceren. Hassadeh 76: 54-56. (in Hebrew).
  16. Tsror (Lahkim), L., Hazanovski, M., Erlich, O., Moldavski, R. and Matan, E. (1996). Root diseases of Asclepias tuberosa. Flower Growers Organization Bulletin. (in Hebrew).
  17. Tsror (Lahkim), L., Hazanovski, M., Erlich, O., Moldavski, R. and Matan, E. (1996). Transmission of Rhizoctonia solani in seeds and storage roots of Asclepias tuberosa. Flower Growers Organization Bulletin. (in Hebrew).

C. Book chapters and invited reviews

  1. Tsror (Lahkim), L. and Warshavsky, S. (Eds) (2006). Potato Diseases in Israel (Hebrew and English editions). Israel Vegetable Grower Organization, Tel-Aviv. p. 87.
  2. Tsror (Lahkim), L. and Johnson, D. (2000). Colletotrichum coccodes on potato. In: Host specificity, pathology and host pathogen interaction of Colletotrichum. D. Prusky, S. Freeman and M.B. Dickman, Eds. APS Press. St. Paul, Minnesota. pp. 362-373. Invited.
  3. Tsror (Lahkim), L., Erlich, O., Amitai, S., and Hazanovsky, M. (2000). Verticillum wilt of paprika caused by a highly virulent isolate of Verticillium dahliae. In: Advances in Verticillium, research and disease management. E.C. Tjamos, R.C. Rowe, J.B. Heale and D.R. Fravel, Eds. APS Press, St. Paul, Minnesota. pp. 322-326.
  4. Nachmias, A., Holtzer, O., Livescu, L., Tsror (Lahkim), L., and Krikun, J. (2000). Verticillium wilt on potato in Israel: an overview. In: Advances in Verticillium, research and disease management. E.C. Tjamos, R.C. Rowe, J.B. Heale and D.R. Fravel, Eds. APS Press, St. Paul, Minnesota. pp. 315-316.
  5. Nachmias, A. and Tsror (Lahkim), L. (1998). Verticillium spp. In: Plant Diseases in Israel. Rotem, Palti and Ben-Yephet, Eds. (in Hebrew). pp. 293-299. Invited.
  6. Tsror (Lahkim), L., Nachmias, A. and Krikun, J. (1998). Solanacea diseases. In: Plant Diseases in Israel. Rotem, Palti and Ben-Yephet, Eds. (in Hebrew). pp. 353-365. Invited.
  7. Tsror (Lahkim), L., Nachmias, A. (1998). Potato seed-borne diseases in Israel. In: Agricultural Research in Israel: Potato Production in Israel. D. Levi, Ed. (in Hebrew). 9: 127-139: Invited.
  8. Nachmias, A., Tsror (Lahkim), L. and Varshavsky, S. Eds. (1995). Potato Diseases and Pests-Compendium. (in Hebrew). pp. 72. Invited.
  9. Margalit, J., Lahkim-Tsror, L., Bobroglo, H., Pascar-Gluzman, C., Barak, Z.(1985). Biological control of mosquitoes in Israel. In: Integrated Mosquito Control Methodologies, 2. M. Laird, Ed. Academic Press. pp. 361-374.

Articles in symposia proceedings

  1. Tsror (Lahkim), L., Erlich, O., Lebiush, S., Zig U. and van de Haar, J. (2006). Recent outbreak of Erwinia chrysanthemi in Israel - epidemiology and monitoring in seed tubers. In: Proceedings of the 11th International conference on Plant Pathogenic Bacteria. pp. 70-71.
  2. Ben-David, T., Tsror, L. and Palevsky, E. (2005). Developing an action threshold for the bulb mite, Rhizoglyphus robini on lily, onion and garlic. IOBC/WPRS Bulletin 28(1): 11-15.
  3. Mills, D., Katalan, O., Benzioni, A. and Tsror L. (2005). Screening of jojoba commercial genotypes to Fusarium oxysporum. In: Proceedings of 2005 Annual Meeting of the Association for the Advancement of Industrial Crops and Rural Development. pp. 831-839.
  4. Tsror (Lahkim), L., and Peretz-Alon, I. (2005). Powdery scab occurrence and control in Israel. In: Proceedings of the 16th triennial conference of the EAPR. p. 739.
  5. Tsror (Lahkim), L., Peretz-Alon, I. and van de Haar, J. (2005). Epidemiology and control of blemish diseases on potato. In: Proceedings of the 16th triennial conference of the EAPR. pp. 119-120.
  6. Tsror L. (2005). Epidemiology and control of potato early dying in Israel. In: Proceedings of the 44th annual Washington state potato conference. pp. 93-99.
  7. Tsror (Lahkim), L., Lebiush-Mordechai, S. and Shapira, N. (2004). Control of powdery mildew on organic pepper. IOBC/WPRS Bulletin 27(8) 333-339.
  8. Tsror (Lahkim), L. , Lebiush-Mordechai, S. and Shapira, N. (2003). Control of soilborne pathogens in organic tomato. In: Proceedings of Greenhouse tomato – integrated crop protection and organic production. pp. 71-74.

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