JA content in the leaves and the flower buds in male-sterile line was lower than its normal variety, as endogenous pollen bourgeon regulator, JA might restrain the bourgeon of pollen.是什么意思_JA content in the leaves and the flower buds in male-sterile line was lower than its normal variety, as endogenous pollen bourgeon regulator, JA might restrain the bourgeon of pollen.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句