Effect of Plant Densities in Growth and Yield of Cotton Coker-310(Gossypium hirsutum L.)

	Effect of Plant Densities in Growth and Yield of Cotton Coker-310(Gossypium hirsutum L.)
Journal of Tikrit University For Agriculture Sciences
Article 1, Volume 10, Issue 1, 2010, Pages 105-110
Abstract
An experiment was conducted to study the effect of plant population in growth and yield characters of cotton Coker-310 in the Mosul area , in split plot system using Randomized Complete Block Design with three replicates , the first factor concluded planting one or two plants/drill , and the second factor concluded four planting distances were used 15 , 20 , 25 and 30 cm during the season 2001 to study the characters : number of vegetative branches , number of fruiting branches , plant height , boll weight , number of bolls/plant , earliness and seed cotton yield kg./hectare . The study revealed that the number of plants in drill , the plant distances and the interaction between them did not affect the characters except earliness percentage . The orthogonal polynomial analysis showed linear significant effect at 5% level for the plant distances on earliness , which reached 77.49% at the distance 15 cm , while theinteraction between the number of plants in drill and plant distances revealed significant AL BQ effect at 5% level for earliness of cotton while leaving two plants in a drill and 15 cm between plants was better than leaving one plant in a drill for higher earliness of cotton yield

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