KIB OpenIR  > 昆明植物所硕博研究生毕业学位论文
Thesis Advisor许再富
Degree Grantor中国科学院昆明植物研究所
Place of Conferral中国科学院昆明植物研究所
Degree Discipline植物生理学
Keyword团花 种子贮藏 激素激素消长 赤霉素(ga3) 脱落酸(aba)
Other AbstractThe dormancy of Anthocephalus chinensis seed, has been researched in this paper mainly to be regulated and controled by the endogenous hormones. Three stages of dormant, quiescent and oldage are appeared successively during the seed storage. The germination number is very few at the begining of storage when the seed is dormant which is controled by high contant of ABA and low contant of GA3, and certain concentration of exogenous GA3 can release the dormancy; then the dormancy will be released prograssively along with storage, and high germination percent appeared. Quiescent seeds keep high value of GA3/ABA as well as high germination percent. The senile of seed is in relation to lossing the ability of forming GA3 in seed. The endogenous GA3 as well as the germination percentage decreased rapidly at the later period of storage, and seeds enter the oldage stage. The storing conditions influence both the seed viability and the relative contant of endogenous hormones. Compare with room temperature storage, higher value of GA3/ABA is appeared under humid and low temperature condition and keeps longer; seed at the same time has higher germination percent, maintains higher viability so that to be favourable topreserve the germplam of Anthocephalus chinensis storage.
Document Type学位论文
Recommended Citation
GB/T 7714
殷寿华. 团花种子萌发的激素控制及种子贮藏与内源激素消长关系的研究[D]. 中国科学院昆明植物研究所. 中国科学院昆明植物研究所,1992.
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