Question : Comment on various chemicals inducing stomatal closure.

1.	Question : Comment on various chemicals inducing stomatal closure.
Answer» Solution :Carbon-di-oxide INDUCES stomatal closure and acts as a natural antitranspirant. Further, the advantage of using `CO_(2)` as an antitranspirantis its inhibition of photorespiration. Phenyl Mercuric Acetate(PMA), when applied as a foliar aspary to plants, induces partial stomatal closure for two WEEKS or more without any TOXIC EFFECT. Use of abscisicacid highly induces the closing of stomata. Dodecenylsuccinic acid also effects on stomatal closure.

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