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Research Article Open Access
Brown rust of leaf rust that causes by Puccinia recondite f. sp. tritici is one of the main diseases of wheat in north, south and west of Iran by considerable damages. In this research, resistance of 64 wheat double haploid lines were studied in cereal rust greenhouse of Karaj seed and plant improvement institute, and resistance of seeding by one race of brown rust from Ahvaz was evaluated. Brown rust resistance components, latent period (Number of days from inoculation till appearance of the first pustule), infection type (9-12 days from inoculation), and pustule density in greenhouse was measured. The results showed that there is a significant difference among lines from all four traits in P=%1 lines 2, 6, 29, 31, 32, 35, 36, 37, 43, 48, 49, 50, 51, 53, 55, 57, 58 had the lowest infection type, long latent period and low pustule size and density. In total, 17 lines from 64 studied lines showed resistance in seeding period, 47 lines were sensitive.
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Author(s): Tayyebeh Bakhshi Reza Bozorgipour Farzad Afshari and Behzad Kaviani
Brown rust, Resistance components, Seeding resistance, Wheat