黄山花楸果实水浸提液的萌发抑制作用

目的]探讨黄山花楸种子休眠与种子内源抑制物质的关系。方法]研究黄山花楸果皮、果肉和种子的不同浓度水浸提液(0.01、0.03、0.06和0.10 g/ml)对白菜种子萌发的抑制作用。结果]各浸提液浓度比例相同的情况下,果肉水浸提液对白菜种子的发芽率、苗高、根长和种子活力指数的抑制活性最强,果皮和种子次之。结论]黄山花楸果实中含有抑制种子萌发的成分,抑制物质活性强弱顺序依次为果肉、果皮、种子。

The Inhibition of Aqueous Extracts of Sorbus amabilis Fruit on Seeds Germination

The research aimed to study the relationship between the restraining substances in fruit and the dormancy of S. anabukus seed. Method]The germination of cabbage seed was tested by using the different concentrations（0. 01,0. 03,0. 06 and 0. 10 g /ml） of aqueous extract of peel,pulp and seed end of S. anabukus seed. Result]In the same concentrations,the inhibitory effect of cabbage seed germination rate,seedling shoot elongation,stem length and simplified vigor index of the pulp was relatively strong,the peel and the seed were relatively weak. Conclusion]The fruit of S. anabukus contains some germination inhibitors,which had inhibitory effects on the germination of cabbage seed. The inhibiting effects of inhibitors in these parts were different with the order of pulp,peel and seed.