Question
The mode of herbicide action wherein the weed plants are
bleached white, is caused by which of the following herbicides?Solution
Tembotrione is a broad spectrum post emergence herbicide that inhibits the activity of the 4 hydroxy-phenyl-pyruvate-dexygenase (4 HPPD) enzyme. The formation of carotenoid (plant pigments) is disrupted by the blockage of the enzyme. Depletion of carotenoids deprives chlorophyll - where photosynthesis takes place - of its protection against an overdose of light and this results in chlorophyll bleaching. Tembotrione is an active ingredient in Laudis
More Agri economics Questions
Black tip of mango is due to:
Match List I with List II According to De Martonne's classification
