Investigation on new cotton hybrids derived from segregated generation selection and compare with Sahel commercial cultivar.
2010
Alishah, Omran | Alazmani, Musa
In order to study the yield and some agronomic traits in new cotton genotypes, 23 new hybrids and 4 superior or commercial genotypes evaluated in a RCB design with four replication at HashemAbad cotton research station (Gorgan) in 2008-2009. There were significant differences (p:sQ.O 1) between genotypes for most traits (boil weight, earliness, lint and seed weight, lint percentage, fiber length, micronair, fiber strength and fiber elongation) studied in each years. Combined analysis of variance has shown significant genotype effect on plant height, lint and seed weight and lint percentage at 1 %. Yield, earliness and boil number were non-significant. Among genotypes, SKN2A , SKTBA, G-259 N2SA and NSKA were grouped in A classes for yield and SKG-C , NN2-B and TBS-A were located in the next. All high yielding genotypes (except SKN2A) were earlier than commercial sahel variety with at least 40 percent lint percentage. The N2SA and TBS-A genotypes have shown suitable qualitative fiber characters and fiber strength, respectively.
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