Rule of breaking Paris polyphylla var.yunnanensis seed dormancy under fluctuating temperature stratification and content changes of endogenous hormone
Objective To study the rule of breaking seed dormancy and content changes of endogenous hormone of the Paris polyphylla var. Yunnanensis seeds. Methods Theseedsweretreatedunderfluctuatingtempemture, andthecontentofendo-hormone, such as GA, IAA, and ABA, was mensurated by HPLC. Results During the first three months, the stratification under fluctuating temperature could break the seed dormancy. The content of GA rose obviously and the content of ABA reduced. Conclusion It is suggested that ABA and GA have significant effect on the dormancy and gemination ofP. polyphylla var. yunnanensis seeds.
Paris polyphylla var. yunnanensis (Franeh.) Hand.-Mazz. seedsfluctuating temperature stratificationbreak dormancyembryo developmentendogenous hormone
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NSTL
万方数据
维普
