Effect of diphenyl carbazide on the metribuzin induced inhibition of Photosystem-II photochemistry
2000
Borse, Tushar H | Maheshwari, Vijay L | Baviskar, Manisha P(North Maharashtra University, Jalgaon(India). School of Life Sciences)
Biochemical parameters with respect to inhibitors of PS II photochemistry by metribuzin like Ki, Hill coefficient and quantum requirement have been determined. The effect of metribuzin in isolated choloroplasts was found to be independent of cation induced structural and functional changes in thylakoid membranes. DPC- an electron donor on the oxidising side of PS II, was found to relieve the metribuzin induced inhibition of PS II photochemistry. The result suggest that DPC may alter The binding of metribuzin presumably because of overlapping binding domain in the QB pocket as reported earlier for some other herbicides also.
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