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Reactions of some Dryland Barley Advanced Lines to Powdery Mildew (Blumeria graminis f.sp. hordei Em. Marchal) | ||
| نهال و بذر | ||
| Article 2, Volume 22, Issue 4, December 2006, Pages 431-441 PDF (180.16 K) | ||
| DOI: 10.22092/spij.2017.110696 | ||
| Authors | ||
| M. Patpour* ; M.A. Dehghan; FARZAD AFSHARI | ||
| Abstract | ||
| Forty four dryland barley advanced lines were tested at adult plant and seedling stages to determine their responses to barley powdery mildew in two locations, Karaj and Gorgan, in a RCDB design with three replications for two years 2001-2003. Field responses of the lines were assessed by Saari and Prescott method. For greenhouse experiment, isolates of barley powdery mildew collected from Karaj and Gorgan were transferred to the greenhouse. After multiplication of each isolate, the lines were inoculated with them separately. Seedling infection types were recorded based on Mains, and Dietz. The results showed that at adult plant stage in Gorgan, four lines were resistant and in Karaj, six lines were immune and four lines were resistant. The most susceptible line was T-2 (2R)//Lignee131/Arabi Abiad. Lines ICB-111028, ICB-111838, Obruk-86, Wieselburger/Ahor, Alpha//Sul/Nacta/3/80-5001 ICB, ICB1, ICB-100974/Acton and 4679/105//Yea132TH/3/Tipper showed resistance response in both locations. At seedling stage in the greenhouse, with Karaj isolate, only two lines were resistant and the remainings were susceptible. With Gorgan isolate, 15 lines were resistant, and 29 lines were susceptible. At seedling stage, only line Wieselburger/Ahor was resistant to isolates of both locations. | ||
| Keywords | ||
| Barley; Powdery mildew; resistance | ||
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