A study on relationship between morphological and agronomic traits, and seed cotton yield and early-maturity in different cultivars

Dadashi,, محمدرضا; Kazerani, برزو

Manuscript ID : 692646 Visit : 120 Page: 1 - 8

Article Type: Original Research

A study on relationship between morphological and agronomic traits, and seed cotton yield and early-maturity in different cultivars

Subject Areas : Genetic

1 - Department of agronomy, Islamic Azad University-Gorgan branch, Gorgan, Iran
2 - Department of biology, Islamic Azad University-Gorgan branch, Gorgan, Iran

Received: 2006-02-07 Accepted : 2006-11-09 Published : 2006-11-22

Keywords: Yield, Cotton, Early Maturity, Yield in harvest,

Abstract :

The relationships between the seed cotton yield and early maturity with to traits of 8 cotton cultivars were studied at plant Institiute, Gorgan, Iran in 2004. The experimental design was randomized complete block design with four replications The results of simple analysis Variance showed that; yield, weight of yield in first harvest, height, length of the highest monopodial branch, sympodial branch lenght had significant differences at minimum probability level (0.05) and traits of weight of yield in second harvest and early-maturity showed significantly difference (p<0.01) within cultivars, but, there were no significant in trait of mean of weight of 20-boll in first harvest, number of boll in plot for first and second harvest, monopodial branch number, sympodial branch number. The means were compared with duncan method showed that cultivars Sub okra, Super okra & H.A.R produced highest yield, and other cultivars in the B group. Cultivars of Sub okra, Bract frygo & Deforme leaf the highest early maturity and cultivars of Sahel, Super okra, okra”s red leaf & Smoshaleaf highest late maturity and cultivar of H.A.R in middle maturity. The results of the experiment revealed that improvement in yield were associated with yield in first harvest. Height and sympodial branch length a negative correlation with yield. The correlation showes that height, monopodial branch length, number of simpodial, yield in second harvest and 5 sympodial branch length a negative correlation with early maturity. Traits yield in first harvest was high significantly related to early maturity.

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