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各種植物激素 (生長素 (agriculture application (promote單性result (未受精雌蕊柱頭put「」➡子房發育膨…

- - - - found in
        
        芽鞘向光性research
    - - include
        
        plant自行合成
        
        吲哚乙酸IAA
        
        人工合成
        
        萘乙酸NAA
        2,4-二氯苯氧乙酸(2,4-D)
    - - depends on
        
        濃度
        作用部位
  - - - 根尖.莖頂.芽.嫩葉.種子
  - - - cell伸長
        tissue生長
      - 不定根grow
    - - 頂芽dis側芽grow→stem向上grow
    - - 與other hormone交互作用
  - - - 未受精雌蕊柱頭put「」➡子房發育膨大
        
        產生無種子果實
      - ex
        
        無子番茄培育
    - - 噴灑「」when fructus develop
    - - 「」promote不定根grow
        
        increase扦插存活率
    - - 塗抹「」when conduct嫁接
    - - 高[ ]「」使雙子葉植物養分耗盡.die
- - - - 濫(徒)長現象
        
        病株高細.不節穗
      - proved:感染真菌(Gibberelia).分泌物質影響
  - - - stimulate
        
        ✔stem.leaf
        
        X root
  - - - cell伸長.division
        
        節間增長.植株長高
      - 莖頂分生tissue-分化➡花芽
        
        plant 提早抽穗.開花
      - 種子萌發
        
        break單子葉plant seed休眠
        
        ex
        
        穀類seed soak.胚produce「」-tempt➡糊粉層合成澱粉酶
        
        胚乳內澱粉-分解➡葡萄糖-transport➡胚.feed幼苗
  - - - 處理葡萄花穗
        
        節間longer.果粒生長space more
        
        arrange loosely➡通風
- - - - fruit mature
        
        increase fruit produce 水解酶分解纖維素.澱粉~→fruit漸軟.mature
      - plant tissue aging
      - 離層produce
        
        [生長素]↓.[C2H4]↑→promote水解酶produce.分解離層position cell wall纖維素&other ingredient
        
        cause leaf fall
        
        cut form木栓層protect
        
        prevent
        
        lose water
        
        病原菌侵入
- - - - -seed內胚
        -發育ing fruit
        -leaf
  - - - cell division&分化
      - 雙子葉plant seed子葉expansion
      - 側芽grow
        
        if頂芽優勢.於側芽add「」
        
        側芽grow.against生長素
    - - cell內protein&核酸分解
        
        dis被取下plant organ aging
  - - - keep fresh.extend expiration date
    - - 生長素high→root
      - 生長素low→bud
- - - - increase leaf ABA
        
        promote氣孔close→decrease water蒸散
        
        逆境激素stress hormone
    - - seed休眠.dis萌發
        
        ABA↑.promote儲存性protein accumulate
        
        休眠素dormin
        
        make seed耐乾
      - bud休眠
        
        秋冬之際.bud ABA accumulate
        
        bud slow/stop grow
        
        bud外produce厚鱗片-form→休眠芽
        
        prevnt from severe winter hurt
    - - 生長素
        
        stem延長作用
      - GA
        
        調控單子葉plant seed萌發