盆栽百合鳞茎发育与碳水化合物变化的关系

The Relationship between Developmentof Bulb and Changes of Carbohydrates of Pot Lily

为深入探讨盆栽百合的鳞茎发育机制,对盆栽百合粉冠军(After eight)和橙色精灵(Tinydina)的鳞茎发育规律及鳞茎不同部位中淀粉、可溶性糖和蔗糖含量进行了研究。结果表明:现蕾后鳞茎中可溶性糖和蔗糖含量迅速下降;盛花后鳞茎干质量和鲜质量同时增加;叶半枯到叶全枯时新鳞茎中淀粉含量迅速上升,两品种增长幅度分别为41.9%和15.6%。因此,盛花期是粉冠军和橙色精灵百合鳞茎膨大的转折点,此时新鳞茎成为主要的"库";盆栽百合鳞茎发育存在后熟期。

To identify the developmental model of pot lily bulb,the changes of the bulbs and the content variation of starch,sucrose,soluble sugar in different parts of bulb in pot lily（After eight and Tiny dina） were studied and analyzed during bulb development.The results indicated that the content of soluble sugar and sucrose decreased significantly at visible-bud stage,the dry weight and the fresh weight increased together at the blooming stage,and starch started to accumulate rapidly in the daughter bulbs of pot lily from half-withered stage to withered-stage,with the growth rate of 41.9% and 15.6%.The maker of After eight and Tiny dina bulb development was at the blooming stage and the daughter bulbs played a role of sink at this stage.Development of pot lily bulb existed at the after-ripening stage.