GRADE COMPONENTS IN RELATION TO GROWING SEASON, COTTON VARIETIES AND LINT GRADE | ||
| Egyptian Journal of Agricultural Research | ||
| Volume 72, Issue 4, December 1994, Pages 1051-1061 PDF (2.43 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejar.1994.454547 | ||
| Authors | ||
| AHMED E. YOUSSEF; SAMER H. M. EL-HARIRY; MOUNER G. SIEF | ||
| Cotton Research Institute, Agricultural Research Centre, Giza, Egypt | ||
| Abstract | ||
| This study was carried out on eight Egyptian cotton varieties namely , Giza 45, Giza 70, Giza 76, Giza 77 (extra long staple) Giza 75, Giza 81, Giza 80 and Dendara (long staple ) Yield of 1989 , 1990 and 1991 seasons to invistigate the relation of growing season, lint grade and cotton variety with trash content, micronaire value , Rd% and +b (lint grade components). Four lint grades of each variety were used for the determination of these characteristics by using HVI 900 system. The results indicated that high grades of lint were of low trash content, +b values and of high microniare reading and Rd% . Growing season and cotton variety affected significantly these characterisitcs. The interactions between growing season, cotton variety and lint grade were studied. | ||
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