KAMAL, M., RAGAB, M. (1995). RELATION OF FIBER LENGTH CHARACTERISTICS TO LINT GRADE AND YARN APPEARANCE GRADE IN EGYPTIAN COTTON. Egyptian Journal of Agricultural Research, 73(3), 737-748. doi: 10.21608/ejar.1995.441953
MOSTAFA M. KAMAL; MAHER T. RAGAB. "RELATION OF FIBER LENGTH CHARACTERISTICS TO LINT GRADE AND YARN APPEARANCE GRADE IN EGYPTIAN COTTON". Egyptian Journal of Agricultural Research, 73, 3, 1995, 737-748. doi: 10.21608/ejar.1995.441953
KAMAL, M., RAGAB, M. (1995). 'RELATION OF FIBER LENGTH CHARACTERISTICS TO LINT GRADE AND YARN APPEARANCE GRADE IN EGYPTIAN COTTON', Egyptian Journal of Agricultural Research, 73(3), pp. 737-748. doi: 10.21608/ejar.1995.441953
KAMAL, M., RAGAB, M. RELATION OF FIBER LENGTH CHARACTERISTICS TO LINT GRADE AND YARN APPEARANCE GRADE IN EGYPTIAN COTTON. Egyptian Journal of Agricultural Research, 1995; 73(3): 737-748. doi: 10.21608/ejar.1995.441953
RELATION OF FIBER LENGTH CHARACTERISTICS TO LINT GRADE AND YARN APPEARANCE GRADE IN EGYPTIAN COTTON
Cotton Research Institute, Agricultural Research Center, Giza, Egypt
Abstract
The 'materials used in this study comprised the 4 extra-long staple varieties Giza 45, Giza 70, Giza 76 and Giza 77, in addition to the 4 long staple varieties Giza 75, Giza 80, Giza 81 and Giza 83, From each variety, 9 lint cotton grades were used, ranging from the low grade Good Fair to the high grade Good/ Fully Good, in increments of either 1/4 or 1/2 of a grade. In all studied varieties, fiber 2.5 % span length and length uniformity ratio were found to be positively and significantly correlated with both lint cotton grade and yarn appearance grade. Conversely, short fiber index correlated inversely and significantly with either lint grade or yam appearance grade. It was concluded that, within a variety, cotton samples having longer fibers, with higher uniformity ratio and lower short fiber index would be of better lint grade and better yarn appearance grade. Among.Egyptian cotton varieties, length uniformity ratio did not appear to depend on the staple length category to which the cotton variety belongs, while short fiber index of extra-long staple varieties was found, on average, to be evidently lower than that of the long staple cottons.
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