globalchange  > 过去全球变化的重建
DOI: 10.1007/s00484-017-1448-4
WOS记录号: WOS:000467487500005
论文题名:
Responses of rubber leaf phenology to climatic variations in Southwest China
作者: Zhai, De-Li1,2; Yu, Haiying3; Chen, Si-Chong4; Ranjitkar, Sailesh1,2; Xu, Jianchu1,2
通讯作者: Xu, Jianchu
刊名: INTERNATIONAL JOURNAL OF BIOMETEOROLOGY
ISSN: 0020-7128
EISSN: 1432-1254
出版年: 2019
卷: 63, 期:5, 页码:607-616
语种: 英语
英文关键词: Climate change ; Oidium heveae ; Phenology ; Powdery mildew ; Xishuangbanna
WOS关键词: TROPICAL FORESTS ; XISHUANGBANNA ; TEMPERATURE ; VEGETATION ; TREES
WOS学科分类: Biophysics ; Environmental Sciences ; Meteorology & Atmospheric Sciences ; Physiology
WOS研究方向: Biophysics ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences ; Physiology
英文摘要:

The phenology of rubber trees (Hevea brasiliensis) could be influenced by meteorological factors and exhibits significant changes under different geoclimates. In the sub-optimal environment in Xishuangbanna, rubber trees undergo lengthy periods of defoliation and refoliation. The timing of refoliation from budburst to leaf aging could be affected by powdery mildew disease (Oidium heveae), which negatively impacts seed and latex production. Rubber trees are most susceptible to powdery mildew disease at the copper and leaf changing stages. Understanding and predicting leaf phenology of rubber trees are helpful to develop effective means of controlling the disease. This research investigated the effect of several meteorological factors on different leaf phenological stages in a sub-optimal environment for rubber cultivation in Jinghong, Yunnan in Southwest China. Partial least square regression was used to quantify the relationship between meteorological factors and recorded rubber phenologies from 2003 to 2011. Minimum temperature in December was found to be the critical factor for the leaf phenology development of rubber trees. Comparing the delayed effects of minimum temperature, the maximum temperature, diurnal temperature range, and sunshine hours were found to advancing leaf phenologies. A comparatively lower minimum temperature in December would facilitate the advancing of leaf phenologies of rubber trees. Higher levels of precipitation in February delayed the light green and the entire process of leaf aging. Delayed leaf phenology was found to be related to severe rubber powdery mildew disease. These results were used to build predictive models that could be applied to early warning systems of rubber powdery mildew disease.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/138038
Appears in Collections:过去全球变化的重建

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Econ Plants & Biotechnol, Lanhei Rd 132, Kunming 650201, Yunnan, Peoples R China
2.World Agroforestry Ctr, East & Cent Asia Off, Lanhei Rd 132, Kunming 650201, Yunnan, Peoples R China
3.Tongren Univ, Coll Agroforestry Engn & Planning, Tongren 554300, Guizhou, Peoples R China
4.Ben Gurion Univ Negev, Jacob Blaustein Inst Desert Res, Swiss Inst Dryland Environm & Energy Res, Mitrani Dept Desert Ecol, IL-8499000 Beer Sheva, Israel

Recommended Citation:
Zhai, De-Li,Yu, Haiying,Chen, Si-Chong,et al. Responses of rubber leaf phenology to climatic variations in Southwest China[J]. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY,2019-01-01,63(5):607-616
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