ヒノキの葉に含まれる生長物質の季節変化

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書誌事項

タイトル別名
  • Seasonal changes in growth substances in the leaves of <i>Chamaecyparis obtusa</i> ENDL
  • ヒノキの葉に含まれる生長物質の季節変化(短報)
  • ヒノキ ノ ワ ニ フクマレル セイチョウ ブッシツ ノ キセツ ヘンカ タン

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説明

Acidic growth substances in the leaves of a clone of six-year-old Chamaecyparis obtusa were extracted every month during one annual growth cycle. Auxins and inhibitors were separated using paper chromatography and assayed by Avena coleoptile straight-growth test. Auxins were comparatively abundant in the growing season (April-October) and scarce in the resting period. Inhibitors were the least in the period when active extension growth occurred and rather steady in a lower level, with little variation in the resting period. The major auxin obtained in April was tentatively regarded as IAA.

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