Evect of plant densities of Seven Varities of Soybean (Glycine max l.)

Hamed Jumma, Salah

	Evect of plant densities of Seven Varities of Soybean (Glycine max l.)
Tikrit Journal of Pure Science
Article 1, Volume 14, Issue 2, 2009, Pages 205-211
Author
Salah Hamed Jumma
Abstract
Astudy carried on to knowing respones of seven varieties of soybean on effect of two plant densities by using two field experiments in AL-HAMRA location Tikrit in summer of 2006, seven varities of soybean were used (Hassan, Hawija, soyaIbaa, Lee74, Takka 2, Tn12 and Qt5) growed in density (12 grains/m. long produced 200 000 plant /H. and 24 grain/m .long prodused 100 000 plant / H) by Randomized complet Block Design with three replicates. The results shared that the increasing of spacing between the plants (low densinty) caused higher yields character and its components and other linked characters, significant differences on 5% were showed in number of pods, seeds in plant, plant height and number of fruit branchs, an increasing in number of pods and seeds in plants in some varities had been, which caused increasing in single plant yield. SoyaIbaa variety showed higher yield in densities (13.44 and 8.30 gm) respectively, significant differences were been in low density with Hawija variety (10.59), and high pod numbers (39.48 and 66.01), high plant height (102.94 and 124.30 cm) in two densities respectively, high seed numbers in the plant in low density (161.63), also the variety (Hawija) showed high data in 100 seed weight showed high weight (8.40 gm ) in high density, also Tn12 variety showed ahigh weight of 100 grains (9.37 gm) in low densties, produced low pod numbers in the two densties, and number of seeds in high density.

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