RESISTANCE OF TEN CANOLA CULTIVARS TO THREE ALTERNARIA SPECIES

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NOURANI S.L.; MINASIAN VAHEH; SAFAEI NASER

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Journal: IRANIAN JOURNAL OF PLANT PATHOLOGY Year:2008 | Volume:44 | Issue:2 (174) Page(s): 155-169

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Title

RESISTANCE OF TEN CANOLA CULTIVARS TO THREE ALTERNARIA SPECIES

Author(s)

NOURANI S.L. | MINASIAN VAHEH | SAFAEI NASER | Issue Writer Certificate

Keywords

ALTERNARIA BRASSICAEQ3

ALTERNARIA BRASSICICOLAQ3

ALTERNARIA RAPHANIQ3

RESISTANCEQ2

CANOLA AND IRANQ3

Abstract

In order to study the RESISTANCE of ten canola genotypes i.e. Hayola40l, Hayola308, Okapi, Talaye, Zarfam, RGS003, Option500, Modena, Fornax and Sarigol to A. brassicae, A. raphani and A. brassicicola, in glasshouse experiments were conducted using randomized complete block design with three replicate consisted of one pot containing two 40 day old plants. Two leaves per plant were inoculated, using five mm bloks of agar from the growing margin of seven days old fungus clony. The sites on the leaves where inoculum was to be placed were slightly wounded by pricking with a fine pin. Severity of the disease symptoms (chlorosis and necrosis of inoculated leaves) was measured ten days after inoculation, using leaf area index apparatus. Results indicated significant differences in symptom development in the different cultivars. In reaction to A. raphani, the cultivars Sarigol and Hayola308 showed the greatest extent of chlorosis, the other cultivars although showing milder symptoms, were not significantly different. In reaction to A. brassicicola the cultivars Option500,Hayola401 and Hayola308 showed the greatest extent of chlorosis and necrosis, whereas cultivar Zarfam showed the least symptom development. In another experiment the reaction of these cultivars to A. brassicae was similar that of A. brassicicola. Based on the findings of this study, it can be concluded that cultivars Option500, Hayola308, Hayola401 and Sarigol are more sensitive to Alternaria black spot than the other cultivars and the cultivar Zarfam is the least susceptible. This is the first study to assay RESISTANCE of some commonly grown cultivars ofcanola to the common agents of Alternaria black spot disease of canola in Iran.

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APA: Copy

NOURANI, S.L., MINASIAN, VAHEH, & SAFAEI, NASER. (2008). RESISTANCE OF TEN CANOLA CULTIVARS TO THREE ALTERNARIA SPECIES. IRANIAN JOURNAL OF PLANT PATHOLOGY, 44(2 (174)), 155-169. SID. https://sid.ir/paper/48392/en

Vancouver: Copy

NOURANI S.L., MINASIAN VAHEH, SAFAEI NASER. RESISTANCE OF TEN CANOLA CULTIVARS TO THREE ALTERNARIA SPECIES. IRANIAN JOURNAL OF PLANT PATHOLOGY[Internet]. 2008;44(2 (174)):155-169. Available from: https://sid.ir/paper/48392/en

IEEE: Copy

S.L. NOURANI, VAHEH MINASIAN, and NASER SAFAEI, “RESISTANCE OF TEN CANOLA CULTIVARS TO THREE ALTERNARIA SPECIES,” IRANIAN JOURNAL OF PLANT PATHOLOGY, vol. 44, no. 2 (174), pp. 155–169, 2008, [Online]. Available: https://sid.ir/paper/48392/en

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