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Responses of rubber leaf phenology to climatic variations in Southwest China
Zhai, De-Li1,2; Yu, Haiying3; Chen, Si-Chong4; Ranjitkar, Sailesh1,2; Xu, Jianchu1,2
Corresponding AuthorXu, Jianchu(J.C.Xu@cgiar.org)
2019-05-01
Source PublicationINTERNATIONAL JOURNAL OF BIOMETEOROLOGY
ISSN0020-7128
Volume63Issue:5Pages:607-616
AbstractThe 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.
KeywordClimate change Oidium heveae Phenology Powdery mildew Xishuangbanna
DOI10.1007/s00484-017-1448-4
Indexed BySCI
Language英语
WOS IDWOS:000467487500005
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/67536
Collection资源植物与生物技术所级重点实验室
Corresponding AuthorXu, Jianchu
Affiliation1.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
GB/T 7714
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,2019,63(5):607-616.
APA Zhai, De-Li,Yu, Haiying,Chen, Si-Chong,Ranjitkar, Sailesh,&Xu, Jianchu.(2019).Responses of rubber leaf phenology to climatic variations in Southwest China.INTERNATIONAL JOURNAL OF BIOMETEOROLOGY,63(5),607-616.
MLA Zhai, De-Li,et al."Responses of rubber leaf phenology to climatic variations in Southwest China".INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 63.5(2019):607-616.
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