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In biology, the BBCH-scale for cotton describes the phenological development of cotton plants ''Gossypium hirsutum'' using the BBCH-scale. The phenological growth stages and BBCH-identification keys of cotton are: 1 Leaves are counted from the cotyledon node (= node 0) 2 Side shoot development may occur earlier, if there is a vegetative side shoot continue with principal growth stage 2. If there is a reproductive side shoot (fruiting branch) continue with the principal growth stage 5 3 Vegetative side shoots are counted from the cotyledon node 4 “pin-head square” or “match-head square” is the first square which forms at the first fruiting position of the first fruiting branch ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「BBCH-scale (cotton)」の詳細全文を読む スポンサード リンク
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