Question

    Application of Kaolin @ 5% reduces transpiration losses, this act as

    A Anti-respirator Correct Answer Incorrect Answer
    B Seed coating Correct Answer Incorrect Answer
    C Stickers Correct Answer Incorrect Answer
    D Anti-transpirants Correct Answer Incorrect Answer

    Solution

    Stomatal closing type: They reduce the water loss by closing the stomata. Examples: Phenyl mercuric acetate (PMA @ 10-4), Atrazine, and C02 Film-forming: Check transpirational loss due to the formation of thin-film which acts as a physical barrier. • Examples: Mobileaf, Hexadecanol, Silicone, oils, and waxes. Reflecting type: These chemicals reflect the radiation and reduce the temperature. Examples: Kaolin @ 5% Growth retardants: These chemicals reduce the shoot growth and increases the root growth and enable to resist drought. Example: Cycocel (CCC)

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