A chemical that artificially alters the normal growth of plants by promoting or inhibiting their growth. Known for their action include germination inhibitors (maleic hydrazide, etc.), root-inducing agents (indole acetic acid, naphthalene acetic acid, etc.), growth inhibitors (CCC, etc.), and elongation promoters (gibberellins). Recently, growth regulators with various actions have been discovered, and new applications are being opened up. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
植物の生長を促進させたり,逆に抑制させるなど正常な生育を人為的に改変させる薬剤。その作用により発芽抑制剤 (マレイン酸ヒドラジドなど) ,発根剤 (インドール酢酸,ナフタリン酢酸など) ,生長抑制剤 (CCCなど) ,伸長促進剤 (ジベレリン) などが知られている。最近はいろいろな作用の生長調節剤が発見され,また新しい応用面が開かれている。
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