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How does ABA bring about the closure of stomata under water stress conditions?

sridhar , 9 Years ago
Grade 12th pass
anser 1 Answers
RAJU

Last Activity: 9 Years ago

 ABA, during stomatal closure, brings about a change in the permeability of the membrane to the K+ ions. This closes the stomata. During high water stress (low soil water potential) ABA is produced in the leaves and the stomata closes down to reduce transpiration.

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