Arid
DOI10.1007/s11104-021-05212-4
Cold stratification requirements for seed dormancy-break differ in soil moisture content but not duration for alpine and desert species
Chen, Dali; Yuan, Zhen; Luo, Xinping; Yang, Lingjie; Chen, Xianglai; Zhang, Zuxin; Wang, Jingjing; Hu, Xiaowen
通讯作者Hu, XW (corresponding author), Lanzhou Univ, State Key Lab Grassland Agroecosyst,Coll Pastoral, Key Lab Grassland Livestock Ind Innovat,Minist Ed, Minist Agr & Rural Affairs,Engn Res Ctr Grassland, Lanzhou 730000, Peoples R China.
来源期刊PLANT AND SOIL
ISSN0032-079X
EISSN1573-5036
出版年2022
英文摘要Background and aims Seed dormancy-break via cold stratification is of fundamental importance for plant adaptation to environmental conditions and response to climate change through timing germination, seedling emergence and consequently community dynamics. Although cold stratification requirements for dormancy break vary among species, it is not known if this variation is determined by the environmental conditions experienced by seeds or by differences among species. Methods We determined the soil moisture content and duration of cold stratification required for seed dormancy-break of species from alpine and desert habitats (soil moisture content: 20 and 18 species from alpine and desert habitats, respectively; duration: 16 and 16 species from the alpine and desert, respectively), and examined the correlation between environmental conditions (soil moisture content and duration of cold stratification) required for dormancy-break and seed traits. Results Seed germination increased and then decreased as soil moisture content or duration of cold stratification increased. The optimal and critical soil moisture content for seed dormancy-break were higher for alpine species than desert species. A positive correlation between optimal soil moisture content and seed shape was found. However, the duration of cold stratification required for dormancy-break was not related to habitat, seed mass or seed shape. Conclusions Our results suggest that soil moisture content rather than duration of cold stratification resulting from climate change could affect seed germination and consequently seedling emergence and establishment, especially for desert species.
英文关键词Seed dormancy Cold stratification Habitats Soil moisture content Stratification duration Climate change
类型Article
语种英语
开放获取类型Bronze
收录类别SCI-E
WOS记录号WOS:000725456200011
WOS关键词CLIMATE-CHANGE ; GERMINATION RESPONSE ; PRECHILL DURATION ; R PACKAGE ; TEMPERATURE ; INHIBITION ; AUSTRALIA ; ALTITUDE ; PATTERNS ; PREDICT
WOS类目Agronomy ; Plant Sciences ; Soil Science
WOS研究方向Agriculture ; Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/374676
作者单位[Chen, Dali; Yuan, Zhen; Luo, Xinping; Yang, Lingjie; Chen, Xianglai; Zhang, Zuxin; Wang, Jingjing; Hu, Xiaowen] Lanzhou Univ, State Key Lab Grassland Agroecosyst,Coll Pastoral, Key Lab Grassland Livestock Ind Innovat,Minist Ed, Minist Agr & Rural Affairs,Engn Res Ctr Grassland, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Chen, Dali,Yuan, Zhen,Luo, Xinping,et al. Cold stratification requirements for seed dormancy-break differ in soil moisture content but not duration for alpine and desert species[J],2022.
APA Chen, Dali.,Yuan, Zhen.,Luo, Xinping.,Yang, Lingjie.,Chen, Xianglai.,...&Hu, Xiaowen.(2022).Cold stratification requirements for seed dormancy-break differ in soil moisture content but not duration for alpine and desert species.PLANT AND SOIL.
MLA Chen, Dali,et al."Cold stratification requirements for seed dormancy-break differ in soil moisture content but not duration for alpine and desert species".PLANT AND SOIL (2022).
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