Investigating the mode distribution of Septoria leaf blotch and evaluating the resistance of wheat cultivars in Golestan province

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ASHRAFI J.; RAHNAMA K.; BABAEIZAD V.; RAMEZANPOUR S.S.; KEEL C.

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Journal: Applied Entomology and Phytopathology Year:2019 | Volume:86 | Issue:2 (107) Page(s): 185-202

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Title

Investigating the mode distribution of Septoria leaf blotch and evaluating the resistance of wheat cultivars in Golestan province

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Keywords

Cultivars reactionsQ1

disease severityQ1

ITS rDNAQ1

Pycnidium coverageQ1

Abstract

In this research, examination of the disease distribution, the physiological relationship between disease agents and its sites and evaluation of cultivars resistance were investigated. The disease agent identified as Zymoseptoria tritici. Distribution map prepared by ArcGIS v. 10. 2 software. The isolates growth tested in different temperature and its relation to their region climatic conditions evaluated. 26 cultivars evaluated in the greenhouse, evaluated. As a result, isolate growth average had correlation with region climatic conditions. In terms of growth, the Nokandeh isolate was the most and the Ramian isolate was lowest. The highest isolates growth was at 15° C and the lowest growth rates were at 10° C. The disease was detected in 8 counties. Ramian and Kurdkoy were identified as the disease contaminated sites. Among the examined cultivars, 4 cultivars such as Falat, Mehrgan, Ghabos, and Roshan were resistant, 14 cultivars such as Shirodi, Morvarid, Moghan, Koohdasht, Gaspar, Aftab, Shahryar, Gonbad, Alamoot, Aflak, Zarin, Karaj-1, Tous, and Azar-2 were moderately resistant and 7 cultivars such as Karim, Dez, Khazar-1, Star, Hamoon, Ofogh, Eram and Tajan were evaluated as susceptible. Rumian isolate had the highest disease severity. Due to the wide distribution of STB, the existence of favorable conditions and identification of disease region center, it is possible to monitor the appearance of infection at February and March and make a broadcast of the disease prevalence. Also, by evaluating of wheat genotypes, introducing and planting the resistant cultivars, it could reduce the disease in the future.

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APA: Copy

ASHRAFI, J., RAHNAMA, K., BABAEIZAD, V., RAMEZANPOUR, S.S., & KEEL, C.. (2019). Investigating the mode distribution of Septoria leaf blotch and evaluating the resistance of wheat cultivars in Golestan province. APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, 86(2 (107) ), 185-202. SID. https://sid.ir/paper/358781/en

Vancouver: Copy

ASHRAFI J., RAHNAMA K., BABAEIZAD V., RAMEZANPOUR S.S., KEEL C.. Investigating the mode distribution of Septoria leaf blotch and evaluating the resistance of wheat cultivars in Golestan province. APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY[Internet]. 2019;86(2 (107) ):185-202. Available from: https://sid.ir/paper/358781/en

IEEE: Copy

J. ASHRAFI, K. RAHNAMA, V. BABAEIZAD, S.S. RAMEZANPOUR, and C. KEEL, “Investigating the mode distribution of Septoria leaf blotch and evaluating the resistance of wheat cultivars in Golestan province,” APPLIED ENTOMOLOGY AND PHYTOPATHOLOGY, vol. 86, no. 2 (107) , pp. 185–202, 2019, [Online]. Available: https://sid.ir/paper/358781/en

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