EL-HELOW, S., MOHAMED, H., AWAD, A., ALLAM, M. (2003). BREEDING POTENTIAL OF THE PROMISING HYBRID GIZA 84 x (GIZA 74 x GIZA 68) OF THE EXTRA-LONG STAPLE COTTONS. Egyptian Journal of Agricultural Research, 81(2), 647-658. doi: 10.21608/ejar.2003.276593
SAYEDA S. EL-HELOW; HANEM A. MOHAMED; AHMED A. M. AWAD; MOHAMED A. M. ALLAM. "BREEDING POTENTIAL OF THE PROMISING HYBRID GIZA 84 x (GIZA 74 x GIZA 68) OF THE EXTRA-LONG STAPLE COTTONS". Egyptian Journal of Agricultural Research, 81, 2, 2003, 647-658. doi: 10.21608/ejar.2003.276593
EL-HELOW, S., MOHAMED, H., AWAD, A., ALLAM, M. (2003). 'BREEDING POTENTIAL OF THE PROMISING HYBRID GIZA 84 x (GIZA 74 x GIZA 68) OF THE EXTRA-LONG STAPLE COTTONS', Egyptian Journal of Agricultural Research, 81(2), pp. 647-658. doi: 10.21608/ejar.2003.276593
EL-HELOW, S., MOHAMED, H., AWAD, A., ALLAM, M. BREEDING POTENTIAL OF THE PROMISING HYBRID GIZA 84 x (GIZA 74 x GIZA 68) OF THE EXTRA-LONG STAPLE COTTONS. Egyptian Journal of Agricultural Research, 2003; 81(2): 647-658. doi: 10.21608/ejar.2003.276593
BREEDING POTENTIAL OF THE PROMISING HYBRID GIZA 84 x (GIZA 74 x GIZA 68) OF THE EXTRA-LONG STAPLE COTTONS
Cotton Research Institute, Agricultural Research Center, Giza, Egypt
Abstract
Breeding of the promising cross Giza 84 x (Giza 74 x Giza 68) depended upon the use of artificial hybridization followed by pedigree analysis. It has been introduced by the cotton Breeding Research Section, Cotton Research Institute. This promising cross is characterized by high yielding, abundant fruiting branches per plant, carrying large number of bolls. Moreover, it is distinctly an early maturing strain. The new cross is also distinguished by its highest yam strength, over all extra-long staple varieties. The morphological characteristics showed early maturing medium long plants about 130 cm large deeply lobed dark green leaf abundant fruiting branches being at a relative lower node (about the 71"). The plants are highly resistant to Fusarium wilt. This promising cross is characterized by its high yarn strength of 2810, fineness of 3.4. hair weight 126 and fiber length of (33.9mm on 2.5% sl) while its agronomic characters are 3 gram for boll weight, 11.9 centar/F for seed cotton yield. 13.2 center/F for lint cotton yield and 35.09 percent for lint per cent. It could be stated that this promising cross may be a suitable replacement to the already commercial varieties G.70 and/or G.88.
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