In vitro culture of ovary in orchids (II) : Influence of vitamins upon the growth of ovary of Dendrobium nobile and other several problems (Agriculture)

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  • ラン子房の無菌培養-2-Dendrobium nobileの子房の発育に及ぼすビタミンの影響および2,3の問題〔英文〕
  • ラン シボウ ノ ムキン バイヨウ 2 Dendrobium nobile ノ シボウ ノ ハツイク ニ オヨボス ビタミン ノ エイキョウ オヨビ 2 , 3 ノ モンダイ エイブン
  • ラン子房の無菌培養 : II. Dendrobium nobile の子房の発育に及ぼすビタミンの影響および 2,3 の問題(農学部門)

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Vitamin B_1 and B_6 seem to be effective for promoting the growth of fruit of Dendrobium nobile. Tocopherol acetate seems to be ineffective, though it increased seed fertility. The combination of these three kinds of vitamins obtained the best fertility. It is considered that the optimum humidity range for ovary growth is approximately 60 to 70%. At high humidity the fruit was dark green in color but the color became light green with the decrease of humidity. In the case of ovary culture of flower bud four or five days before anthesis, pollination was done 10 days after the starting of culture, and the fruit grew well and fertile seeds were formed.

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