Antitranspirant
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Antitranspirants are compounds applied to the leaves of plants to reduce transpiration. They are used on Christmas trees, cut flowers, newly transplanted shrubs, and in other applications to preserve and protect plants from drying out too quickly. They have also been reportedly used to protect leaves from salt burn and fungal diseases.
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Anti Transpirants are of two types: 1.)METABOLIC INHIBITORS:
These reduce the stomatal opening and increase the leaf resistance to water vapour diffusion without affecting CO2 uptake.e.g:-Phenyl mercuric acetate,ABA,Aspirin.
2.)FILM FORMING ANTI-TRANSPIRANTS:
They form a colorless film on the leaf surface which allows diffusion of gases but not of water vapour.e.g:-Silicon oil and waxes.
