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Low-temperature stratification strategies and growth regulators for rapid induction of Paris polyphylla var. yunnanensis seed germination
Zhou, LG; Wu, JY; Wang, SL
2003-10-01
Source PublicationPLANT GROWTH REGULATION
ISSN0167-6903
Volume41Issue:2Pages:179-183
AbstractThe seeds of Paris polyphylla var. yunnanensis are deeply dormant, and they remain dormant for 18 months or longer in their natural environment. Periodic exposure of the seeds to a low-temperature of 4 degreesC broke the dormancy in about 16 weeks (112 days). The most effective temperature stratification scheme was an interval of 14 days at 4 degreesC and 14 days at 22 degreesC. Both GA(3) and ethephon significantly enhanced the germination rate during the stratification treatment. The seed coat, particularly the mesophyll outer layer of the seed coat, strongly inhibited the germination. With removal of the seed coat and exposure of the uncoated seeds to 600 mg/l GA(3) for 48 h before the temperature stratification of 14 days at 4 degreesC and 14 days at 22 degreesC for 112 days, a germination percentage as high as 95.3% of the seeds was attained in about 160 days.
KeywordDormancy Growth Regulators Paris Polyphylla Var. Yunnanensis Seed Germination Stratification
Subject AreaPlant Sciences
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000186380300012
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/13555
Collection离退休
Affiliation1.Hong Kong Polytech Univ, Dept Appl Biol & Chem Technol, Kowloon, Hong Kong, Peoples R China
2.China Agr Univ, Coll Agron & Biotechnol, Beijing 100094, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
Recommended Citation
GB/T 7714
Zhou, LG,Wu, JY,Wang, SL. Low-temperature stratification strategies and growth regulators for rapid induction of Paris polyphylla var. yunnanensis seed germination[J]. PLANT GROWTH REGULATION,2003,41(2):179-183.
APA Zhou, LG,Wu, JY,&Wang, SL.(2003).Low-temperature stratification strategies and growth regulators for rapid induction of Paris polyphylla var. yunnanensis seed germination.PLANT GROWTH REGULATION,41(2),179-183.
MLA Zhou, LG,et al."Low-temperature stratification strategies and growth regulators for rapid induction of Paris polyphylla var. yunnanensis seed germination".PLANT GROWTH REGULATION 41.2(2003):179-183.
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