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RIZK, R., ASAAD, F., SALEH, A. (1998). SURVEY AND DETERMINATION OF BARLEY DISEASES IN NEW LANDS AND RAINFED AREAS. Egyptian Journal of Agricultural Research, 76(2), 615-624. doi: 10.21608/ejar.1998.350282
RIZK A. RIZK; FARED A. ASAAD; ALY M. M. SALEH. "SURVEY AND DETERMINATION OF BARLEY DISEASES IN NEW LANDS AND RAINFED AREAS". Egyptian Journal of Agricultural Research, 76, 2, 1998, 615-624. doi: 10.21608/ejar.1998.350282
RIZK, R., ASAAD, F., SALEH, A. (1998). 'SURVEY AND DETERMINATION OF BARLEY DISEASES IN NEW LANDS AND RAINFED AREAS', Egyptian Journal of Agricultural Research, 76(2), pp. 615-624. doi: 10.21608/ejar.1998.350282
RIZK, R., ASAAD, F., SALEH, A. SURVEY AND DETERMINATION OF BARLEY DISEASES IN NEW LANDS AND RAINFED AREAS. Egyptian Journal of Agricultural Research, 1998; 76(2): 615-624. doi: 10.21608/ejar.1998.350282

SURVEY AND DETERMINATION OF BARLEY DISEASES IN NEW LANDS AND RAINFED AREAS

Article 17, Volume 76, Issue 2, July 1998, Page 615-624  XML PDF (2.53 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1998.350282
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Authors
RIZK A. RIZK1; FARED A. ASAAD2; ALY M. M. SALEH1
1Plant Pathology Research Institute, Agricultural Research Centre, Giza, Egypt
2Field Crops Research Institute, Agricultural Research Centre, Giza, Egypt
Abstract
Survey of barley diseases was carried out under rainfed condi­tions in the Northwest Coast and North Sinai as well as under sprinkler ir­rigation in the new lands at Nubaria area. Under rainfed condition, physi­ologic spotting (boron toxicity) was the major problem which affected barley plants. Nest blotch was recorded in some locations but the severi­ty was somewhat low. Scald, covered smut, and barley stripe were limit­ed to some locations with low severity. Under sprinkler irrigation in the new lands, net blotch was presented as a major disease with high severi­ty and incidence. Two barley genotypes were selected as highly resistant to net blotch under sprinkler irrigation in the new lands. Resistance to powdery mildew was exhibited by 28 barley genotypes out of 302 geno­types evaluated. A total of 391 barley genotypes were tested for toler­ance to spotting out of which 15 genotypes were selected as highly tol­erant.
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