EVALUATION OF FIELD BASED PARTIAL RESISTANCE AND RELATIONSHIP BETWEEN RESISTANCE COMPONENTS OF BREAD WHEAT GERMPLASM TO YELLOW RUST

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ZAHRAVI M.; NEJAD EBRAHIMI S.; AFSHARI F.

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Journal: SEED AND PLANT IMPROVEMENT JOURNAL Year:2012 | Volume:28-1 | Issue:4 Page(s): 663-684

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Title

EVALUATION OF FIELD BASED PARTIAL RESISTANCE AND RELATIONSHIP BETWEEN RESISTANCE COMPONENTS OF BREAD WHEAT GERMPLASM TO YELLOW RUST

Author(s)

ZAHRAVI M. | NEJAD EBRAHIMI S. | AFSHARI F. | Issue Writer Certificate

Keywords

WHEATQ3

YELLOW RUSTQ3

PARTIAL RESISTANCEQ3

COFFICINT OF INFECTIONQ2

HERITABILITYQ2

Abstract

The resistance of 72 WHEAT genotypes from collection of National Plant Gene Bank of Iran was assessed to YELLOW RUST in two hot spots of Sari and Karaj, Iran. Both experiments were performed in augmented design and traits of infection type, disease severity, area under disease progress curve (AUDPC) and coefficient of infection were recorded. Based on t-test, two hot spots were significantly different for disease severity (at the first and third evaluations), infection rate (first, second and total), coefficient of infection (first and third) and AUDPC (second and total). Standard deviation of the resistance traits increased by time at both hot spots. Cluster analysis of resistance components grouped AUDPC distinctly at both hot spots. The results of regression analysis indicated strong association of AUDPC with disease severity, infection type and coefficient of infection at both hot spots. Infection rate had higher broad-sense HERITABILITY compared to other components of resistance, totally in two hot spots of Karaj and Sari. The results of Mantel test for consistence of distance matrices of accessions based on resistance components at two hot spots along with other results of the research indicated the importance of each components of PARTIAL RESISTANCE in reaction of the studied accessions to YELLOW RUST. Cluster analysis by resistance components placed the genotypes in two groups of susceptible and partially resistant.

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APA: Copy

ZAHRAVI, M., NEJAD EBRAHIMI, S., & AFSHARI, F.. (2012). EVALUATION OF FIELD BASED PARTIAL RESISTANCE AND RELATIONSHIP BETWEEN RESISTANCE COMPONENTS OF BREAD WHEAT GERMPLASM TO YELLOW RUST. SEED AND PLANT IMPROVEMENT JOURNAL, 28-1(4), 663-684. SID. https://sid.ir/paper/147031/en

Vancouver: Copy

ZAHRAVI M., NEJAD EBRAHIMI S., AFSHARI F.. EVALUATION OF FIELD BASED PARTIAL RESISTANCE AND RELATIONSHIP BETWEEN RESISTANCE COMPONENTS OF BREAD WHEAT GERMPLASM TO YELLOW RUST. SEED AND PLANT IMPROVEMENT JOURNAL[Internet]. 2012;28-1(4):663-684. Available from: https://sid.ir/paper/147031/en

IEEE: Copy

M. ZAHRAVI, S. NEJAD EBRAHIMI, and F. AFSHARI, “EVALUATION OF FIELD BASED PARTIAL RESISTANCE AND RELATIONSHIP BETWEEN RESISTANCE COMPONENTS OF BREAD WHEAT GERMPLASM TO YELLOW RUST,” SEED AND PLANT IMPROVEMENT JOURNAL, vol. 28-1, no. 4, pp. 663–684, 2012, [Online]. Available: https://sid.ir/paper/147031/en

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