Heritability Genetic Improvement Expected , Varieties Stability and Path Analysis for six varieties of Al abland Cotton(Gossypium hirsutum L)  under influence of irrigation periods

	Heritability Genetic Improvement Expected , Varieties Stability and Path Analysis for six varieties of Al abland Cotton(Gossypium hirsutum L) under influence of irrigation periods
journal of kerbala university
Article 1, Volume 13, Issue 2, 2017, Pages 177-187 PDF (0 K)
Abstract
This study was conducted to evaluate the performance of six a new cotton genotypes(Gossypium hirsutum L) ( SP886, S29, S118, GA22, Engli, and Cocker) in addition of local variety (Coker), under two irrigation period (7,14 days) in season 2015 for two locations, ALmusaib and ALsweera using split plot arrangement in randomized complete block design with three replications. The results were summarized as follows:- 1-The expected genetic advance values were ranged between low in both locations for bool weight, wright of 100seeds, ratio of net ginning and fiber coefficient and medium for plant height and the number of nuts and fiber yield/plant for cotton yield 2- path analysis coefficient results demonstrated that a direct effect of a positive for the fiber yaild and pools number in irrigation 7 day period while the highest direct effect on yaild in irrigation 14 day period for pools number and the average weight pool of AL musaib location, either Alsweera location gave highest positive effect of yaild for fiber yaild for irrigation period 7 days, either 14 irrigation period was highest direct effects on pools number, in addition to the previous charchteres. -3 The genotypic stability revealed that all the genotypes were stable for all the characters studied in both location .

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