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本文对杉木（Ｃｕｎｎｉｎｇｈａｍｉａｌａｎｃｅｏｌａｌａ（Ｌａｍｂ．）Ｈｏｏｋ．）的雄性不育株与可育株小孢子叶球和叶的呼吸强度进行比较。结果表明不育株小孢子叶球和叶的呼吸强度较可育株弱，能量供应不足是小孢子囊败育的主要原因。
In this paper, the respiratory intensity of male sterile and sterile leaves of Cunninghamia lanceolala (Lamb.) Hook. The results showed that the respiration of microspore leaves and leaves of sterile plants was weaker than that of fertile plants. The lack of energy supply was the main reason for microspore sac abortion.