| UV-B增加对小麦及玉米物候发育影响的初步研究 |
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| 引用本文： | 王传海,闵锦忠,严培君,徐星生,郑有飞.UV-B增加对小麦及玉米物候发育影响的初步研究[J].中国农学通报,2004,20(3):80-80. |
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| 作者姓名： | 王传海 闵锦忠 严培君 徐星生 郑有飞 |
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| 作者单位： | 1. 南京气象学院环境科学系,江苏,南京,210044
2. 南京气象学院江苏省气象灾害和环境变化重点开放实验室,江苏,南京,210044 |
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| 基金项目： | 国家自然科学基金资助项目(资助号40175029)、江苏省"333"工程资助项目联合资助. |
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| 摘 要： | 观察了UV-B增加对小麦及玉米物候发育的影响，结果表明：UV-B增加对小麦及玉米物候期具有明显的推迟效应，且这种推迟效应可能与UV-B增加影响作物的营养供给无关；UV-B增加对小麦群体内小气候有显著影响，表现为气温和土温显著升高，UV-B增加对小麦物候期的推迟效应与UV-B增加条件下作物群体内小气候的变化无关；初步探讨了紫外线UV-B增加对作物物候影响的机制，并提出有待于进一步研究的问题。
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| 关 键 词： | 紫外线 小麦 玉米 物候 营养 农田小气候 |
A Primary Study on the Effect of Enhanced UV-B Radiation to the Phenology of Wheat and Maize |
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| Wang Chuanhai,Ming Jingzhong,Yan Peijun,Xu Xingsheng,Gao Guizhi,Zheng Youfei.A Primary Study on the Effect of Enhanced UV-B Radiation to the Phenology of Wheat and Maize[J].Chinese Agricultural Science Bulletin,2004,20(3):80-80. |
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| Authors: | Wang Chuanhai Ming Jingzhong Yan Peijun Xu Xingsheng Gao Guizhi Zheng Youfei |
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| Institution: | (Dept. Of Environmental Sciences, Nanjing Institute of Meteorology, Nanjing, 210044) |
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| Abstract: | Effects of enhanced UV-B radiation on the phenology of wheat and maize were investigated. Results show that at the grown stage, the phenology of wheat and maize were postponed significantly by enhanced UV-B radiation. The experiment also shows that the germination of wheat and maize were also postponed significantly by enhanced UV-B radiation, which indicated that the effect of enhanced UV-B radiation to the phenology of wheat and maize were not attributed to the nutrition available. The microclimate of crop was also influenced by enhanced UV-B radiation, showing that the temperature of canopy and soil raised significantly. Indicated that the effect of enhanced UV-B radiation to the phenology of wheat and maize were not attributed to the change of microclimate in response to enhanced UV-B radiation. The possible mechanism of the change of crop phenology in response to enhanced UV-B is discussed, and the problem be supposed to be investigated further is also put forwarded in the paper. |
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| Keywords: | UV-B Maize Wheat Nutrient available Phenology |
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