Volume 4, Issue 3 (2002)
JAST 2002, 4(3): 135-139 |
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Naghavi M R, Bihamta M R, Yazdi-Samadi B, B. Jelodar N, Davey M R, Cocking E C. Inheritance of Resistance to Powdery Mildew (Erysiphe graminis f. sp. hordei) in Barley. JAST 2002; 4 (3) :135-139
URL: http://jast.modares.ac.ir/article-23-11362-en.html
URL: http://jast.modares.ac.ir/article-23-11362-en.html
1- Plant Breeding Department , Faculty of Agriculture, University of Tehran, Karaj, Islamic Republic of
Iran.
2- Department of Plant Breeding, College of Agriculture, University of Mazandaran, Sari, Mazandaran, Islamic Republic of Iran
3- Plant Genetic Manipulation Group, Department of Life Science, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.
2- Department of Plant Breeding, College of Agriculture, University of Mazandaran, Sari, Mazandaran, Islamic Republic of Iran
3- Plant Genetic Manipulation Group, Department of Life Science, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.
Abstract: (7618 Views)
Two barley (Hordeun vulgare L.) genotypes, Radical and Cwb, with good to moderate levels of resistance to powdery mildew were crossed with a highly susceptible cultivar (Afzal) to determine the genetics of resistance. The parents, Fl, F2 and F3 generations of each of the two crosses, were evaluated for powdery mildew resistance in the glasshouse and field at the College of Agriculture in Karaj during 2000. The x2 analysis of the segre-gating ratios in the F3 generations indicated that the resistance was controlled by one gene at seedling stage and by two or three genes at adult plant stage in Cwb and Radical, respectively. Radical showed a higher level of resistance than the Cwb, therefore, it is a better source of resistance to powdery mildew.
Subject:
Plant Breeding
Received: 2010/02/10 | Accepted: 2010/02/10 | Published: 2010/02/10
Received: 2010/02/10 | Accepted: 2010/02/10 | Published: 2010/02/10
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