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Effect of Plant Growth Regulators on Vegetative Propagation of Vitex negundo L. (Verbenaceae)


     

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Vitex negundo L. (Verbenaceae) is traditionally used against stored grain pests. Effects of different growth regulators, Stik (NAA with sodium as active ingredient). lAA, IBA and GA3 (10-3000 ppm) on the growth and prodJlctivity of the plant in vegetative propagation was studied using stem cuttings. Stik treated cuttings showed maximum effect on ischolar_maining (100%), length of the ischolar_main (30.5 cm) and node sprouting (91%) at 500-1000,500 and 1500 ppm respectively. They also showed maximum effect on average mumber of leaves (69/cutting) and average number oflateral branches (l0.2/cutting) at 1500 ppm. GA3 showed inhibitory effect on ischolar_maining.
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D. K. Tewary

P. Vasudevan

Santosh


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  • Effect of Plant Growth Regulators on Vegetative Propagation of Vitex negundo L. (Verbenaceae)

Abstract Views: 403  |  PDF Views: 0

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Abstract


Vitex negundo L. (Verbenaceae) is traditionally used against stored grain pests. Effects of different growth regulators, Stik (NAA with sodium as active ingredient). lAA, IBA and GA3 (10-3000 ppm) on the growth and prodJlctivity of the plant in vegetative propagation was studied using stem cuttings. Stik treated cuttings showed maximum effect on ischolar_maining (100%), length of the ischolar_main (30.5 cm) and node sprouting (91%) at 500-1000,500 and 1500 ppm respectively. They also showed maximum effect on average mumber of leaves (69/cutting) and average number oflateral branches (l0.2/cutting) at 1500 ppm. GA3 showed inhibitory effect on ischolar_maining.