Effectiveness of Resistance Genes to Stripe Rust and Virulence of Puccinia striiformis f. sp. tritici During two Years Monitoring in Ardabil

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SAFAVI S.A.

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Journal: Journal of Applied Research in Plant Protection Year:2019 | Volume:8 | Issue:3 Page(s): 95-107

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Title

Effectiveness of Resistance Genes to Stripe Rust and Virulence of Puccinia striiformis f. sp. tritici During two Years Monitoring in Ardabil

Author(s)

SAFAVI S.A. | Issue Writer Certificate

Keywords

WheatQ2

stipe rustQ1

virulenceQ1

effective resistance genesQ1

ineffective resistance genesQ1

Abstract

Stripe (yellow) rust caused by Puccinia striiformis f. sp. tritici, is one of the most devastating disease of bread Wheat (Triticum aestivum) in the world. This rust disease represents a constant threat to Wheat production in several countries in Central and Western Asia (CWA). A wide range of virulent yellow rust pathotypes is evolving in this region causing the breakdown of widely utilized sources of resistance in Wheat. Hence, the knowledge of effective resistance genes in the region will enable breeders to target those useful genes in their breeding programs. In order to determine of effective resistance genes in Ardabil, northwest of Iran, virulence patterns of Wheat yellow rust were studied from 2015 to 2016 under the field conditions by planting of differential sets and isogenic lines. Seedling reaction was also evaluated under field conditions in 2010. Results showed that yellow rust resistance genes Yr3V, Yr3a, Yr4a, Yr4, Yr5, Yr10, Yr15, Yr16, YrCV, YrSD, YrND were effective and the race-nonspecific resistance genes YrA3, YrA4, Yr18 and Yr29 and genes in cultivars; Parula and Pavon 76 were partial effective during the study period. virulence was observed for genotypes having resistance genes Yr2, Yr6, Yr7, Yr9, Yr17, Yr20, Yr21, Yr22, Yr23, Yr24, Yr25, Yr26, Yr27, YrSU, and YrA, and therefore, they were ineffective. Cluster analysis of genotypes based on the seedling and adult plant reactions, showed considerable diversity among the Wheat cultivars/lines studied. The Genes found effective against yellow rust under natural conditions may be deployed singly or in combinations with durable resistance genes to develop high yield resistant Wheat cultivars in Wheat growing areas that yellow rust races have the same virulence pattern to the prevalent race/s of Ardabil.

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APA: Copy

SAFAVI, S.A.. (2019). Effectiveness of Resistance Genes to Stripe Rust and Virulence of Puccinia striiformis f. sp. tritici During two Years Monitoring in Ardabil. JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION, 8(3 ), 95-107. SID. https://sid.ir/paper/372442/en

Vancouver: Copy

SAFAVI S.A.. Effectiveness of Resistance Genes to Stripe Rust and Virulence of Puccinia striiformis f. sp. tritici During two Years Monitoring in Ardabil. JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION[Internet]. 2019;8(3 ):95-107. Available from: https://sid.ir/paper/372442/en

IEEE: Copy

S.A. SAFAVI, “Effectiveness of Resistance Genes to Stripe Rust and Virulence of Puccinia striiformis f. sp. tritici During two Years Monitoring in Ardabil,” JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION, vol. 8, no. 3 , pp. 95–107, 2019, [Online]. Available: https://sid.ir/paper/372442/en

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