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Title

CHARACTERISTICS OF STRAINS OF THE CAUSAL AGENT OF BACTERIAL WILT OF POTATO AND TOMATO IN FARS PROVINCE AND REACTION OF SOME POTATO AND TOMATO CULTIVARS TO THE PATHOGEN

Pages

  233-243

Abstract

 Samples of POTATO and TOMATO plants with yellowing and sudden wilting symptoms were collected from fields in Hamedan and Fars provinces. The bacterial ooze extracted from stem and/or from vasular bundles of diseased POTATO tubers were streaked on sucrose peptone agar (SPA) and triphenyl tetrazolium chloride (TZC) media. Agram neative bacterium with irregular, slimy white colonies, were isolated from plants and some POTATO tubers from Esfahan, Shahrekord and Zanjan. All strains were identified as biovar II of Ralstonia solanacearum, using standard biochemical and physiological assays. In order to evaluate RESISTANCE of POTATO and TOMATO plants to BACTERIAL WILT, different methods of inoculation such as stem puncture (SP), wounding the roots of plant and soil infestation were used. The susceptibility of plants was increased with stem puncture method and incubation at 28 to 35°C. A latent infection developed, when plant inoculated with stem puncture method were incubated at low tempature. In the other inoculation methods such as wounding the roots and soil infestation no latent infection at low temprature was observed. Environmental factors (e. g. temprature, moisture) increasingly affected the development of disease and susceptibility or RESISTANCE of the hosts. POTATO cultivars Granulla, Vancokh, Marfona, Caezer, Strix and Draga had the greatest susceptibility to BACTERIAL WILT. Premiere, Cosima, Ajax, Casmos, Moren, Concord, Vital and Cardinal were fairly susceptible and Feresia, Diamant and Mondial CVs were relatively resistant. In TOMATO, L-612, was susceptible, L-293, Peto Early, GS-12 and CLN-2915 were fairly susceptible and L-528 was fairly resistant to BACTERIAL WILT.

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    APA: Copy

    BAGHERI, A., & TAGHAVI, S.M.. (2000). CHARACTERISTICS OF STRAINS OF THE CAUSAL AGENT OF BACTERIAL WILT OF POTATO AND TOMATO IN FARS PROVINCE AND REACTION OF SOME POTATO AND TOMATO CULTIVARS TO THE PATHOGEN. IRANIAN JOURNAL OF PLANT PATHOLOGY, 36(3-4), 233-243. SID. https://sid.ir/paper/528286/en

    Vancouver: Copy

    BAGHERI A., TAGHAVI S.M.. CHARACTERISTICS OF STRAINS OF THE CAUSAL AGENT OF BACTERIAL WILT OF POTATO AND TOMATO IN FARS PROVINCE AND REACTION OF SOME POTATO AND TOMATO CULTIVARS TO THE PATHOGEN. IRANIAN JOURNAL OF PLANT PATHOLOGY[Internet]. 2000;36(3-4):233-243. Available from: https://sid.ir/paper/528286/en

    IEEE: Copy

    A. BAGHERI, and S.M. TAGHAVI, “CHARACTERISTICS OF STRAINS OF THE CAUSAL AGENT OF BACTERIAL WILT OF POTATO AND TOMATO IN FARS PROVINCE AND REACTION OF SOME POTATO AND TOMATO CULTIVARS TO THE PATHOGEN,” IRANIAN JOURNAL OF PLANT PATHOLOGY, vol. 36, no. 3-4, pp. 233–243, 2000, [Online]. Available: https://sid.ir/paper/528286/en

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