Effect Of Herbicide Glyphosate On Pollen Germination In Vitro And Pollen Tube Length Of Hibiscus Cannabinus Linn.

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The germination of pollen grains in various concentrations of herbicide by adopting "Hanging drop technique" (Vasil, 1960). Effect of herbicide on pollen germination and pollen tube length was studied. Glyphosate inhibited the pollen germination and pollen tube growth at higher concentrations. The percentage of pollen germination was decreased from 29.29, 23.74, 11.49, 3.94 and 0.0 at 20, 40, 60, 80 and 100 ppm of glyphosate, respectively. Similarly, the pollen tube length was also declined and which was

Herbicide; Glyphosate; pollen grain; Hibiscus cannabinus Linn