18. エダマメ着莢に対するブラシノステロイドとジャスモン酸の影響

概要

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Brassinosteroid and Jasmonic acid are newly approved plant hormones and play various physiological roles in plant growth and development. Effects of their exogenous application on the flowers and pods of soybean were examined. Soybean (cv. Tamasudare-No.2) was sowed in plastic nursery box, and one-week old seedlings were transplanted in the field to cultivate until harvesting. Both hormones were applied at 10 days before flowering or at the beginning of flowering. The field experiment was carried out twice in 2002 and 2003. The numbers of pods were decreased by Brassinosteroid application. especially applied at the beginning of flowering, due to the decrease of the rate of podding. Jasmonic acid application increased the number of pods with the increase of the number of flowers, though the number of seeds in a pod was reduced null or one in many pods.
植物化学調節学会の論文
2003-10-10