Effect of spray application of 2,4-D on morphological characters of Hibiscus cannabinus Linn.

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In present study, the herbicidal activities of 2,4-D on Hibiscus cannabinus Linn. studied. The plants were sprayed with aqueous solution of different concentrations of 2,4-D from 100 to 5000 ppm. 2,4-D at all concentrations showed the effects like epinastically curvature, swollen and bending of stem. The leaves turned yellowish and roots became swollen and finally decayed. Vegetative growth of plants was retarded and finally plants dried. The lethal dose of 2,4-D was 500 ppm.

Herbicide; 2,4-D; Spray application; Morphological characters; Hibiscus cannabinus Linn