ASSESSMENT OF BARLEY YIELD LOSSES DUE TO POWDERY MILDEW IN SOME IMPROVED BARLEY CULTIVARS
RIZK, R., EL-SHERBINI, A., MOSTAFA, E. (1998). ASSESSMENT OF BARLEY YIELD LOSSES DUE TO POWDERY MILDEW IN SOME IMPROVED BARLEY CULTIVARS. EKB Journal Management System, 76(4), 1515-1521. doi: 10.21608/ejar.1998.362986
RIZK A. RIZK; ABDEL- RAHMAN M. EL-SHERBINI; ELSAYED E. MOSTAFA. "ASSESSMENT OF BARLEY YIELD LOSSES DUE TO POWDERY MILDEW IN SOME IMPROVED BARLEY CULTIVARS". EKB Journal Management System, 76, 4, 1998, 1515-1521. doi: 10.21608/ejar.1998.362986
RIZK, R., EL-SHERBINI, A., MOSTAFA, E. (1998). 'ASSESSMENT OF BARLEY YIELD LOSSES DUE TO POWDERY MILDEW IN SOME IMPROVED BARLEY CULTIVARS', EKB Journal Management System, 76(4), pp. 1515-1521. doi: 10.21608/ejar.1998.362986
RIZK, R., EL-SHERBINI, A., MOSTAFA, E. ASSESSMENT OF BARLEY YIELD LOSSES DUE TO POWDERY MILDEW IN SOME IMPROVED BARLEY CULTIVARS. EKB Journal Management System, 1998; 76(4): 1515-1521. doi: 10.21608/ejar.1998.362986

ASSESSMENT OF BARLEY YIELD LOSSES DUE TO POWDERY MILDEW IN SOME IMPROVED BARLEY CULTIVARS

Egyptian Journal of Agricultural Research
Article 13, Volume 76, Issue 4, December 1998, Page 1515-1521  XML PDF (1.68 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1998.362986
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Authors
RIZK A. RIZK1; ABDEL- RAHMAN M. EL-SHERBINI2; ELSAYED E. MOSTAFA1
1Plant Pathology Research Institute, Institute, Agricultural Research Centre, Dokki, Giza, Egypt
2Barley Research Department, Field Crops Research Institute, Institute, Agricultural Research Centre, Giza, Egypt
Abstract
Yield losses due to powdery mildew infection for the barley culti­vars Giza 123, Giza 124, Giza 125, and Giza 126 were determined dur­ing two consecutive seasons, 1994/95 and 1995/96 at Giza and Gemmeiza, respectively. The single tiller technique was used. Yield com­ponents, 1 000-kernel weight (1000-KWT) and weight of grains per head were determined. The results indicated that gradual reduction in 1000 KWT and weight of grains per headregularly correlated with the increase in mildew severity to 40%. A relatively slight reduction in 1000-KWT due to mildew infection was noticed in Giza 123 compared with the other cultivars. Grain yield losses was also observed and was amounted to about 18%.
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