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婺源主要气象灾害对茶树生育进程的影响研究

作  者:
张晓芳;李春晖;蔡哲
单  位:
江西省农业气象中心;婺源县气象局
关键词:
茶树;生育期;早春霜冻;夏季热害;冬季冻害
摘  要:
为明确婺源茶树主要农业气象灾害的变化特征,掌握气象灾害对茶树生长发育的影响规律,提高茶园防灾减灾能力,利用Pearson相关性分析等对茶树生育进程与气象灾害的关系进行分析,并提出灾害应对措施.结果显示,2010-2022年婺源茶叶早春霜冻累计出现日数呈减少的趋势,夏季热害和冬季冻害具有偶发性.在3种主要气象灾害中,早春霜冻对茶树生育期的影响最大,早春霜冻日数越多,茶树生育进程越推迟;夏季热害对茶树生育进程有一定影响;冬季冻害对茶树生育进程影响不显著.根据灾害发生规律,提出了相关应对措施.
译  名:
Research on the Impact of Major Meteorological Disasters on Tea Plant Growth in Wuyuan
关键词:
tea plants%growth period%early spring frost%summer heat damage%winter freeze damage
摘  要:
In order to clarify the changing characteristics of the main agricultural meteorological disasters of tea plants in Wuyuan,grasp the degree and pattern of the impact of meteorological disasters on the growth of tea plants,formulate relevant response strategies,and improve disaster prevention and reduction capabilities,Pearson correlation analysis and other methods were used to analyze the relationship between the length of growth period of tea plants and mete-orological disasters.The disaster response measures were also proposed.The results show that from 2010 to 2022,the cumulative days of early spring frost of tea plants in Wuyuan showed a decreasing trend,while the cumulative days of summer heat damage and winter freeze damage showed an increasing trend.Among the three main meteorological disasters,early spring frost had the greatest impact on the growth of tea plants,and had a significant impact on the date of leaf-expansion period and leaf blooming period.Summer heat damage had some impact on the date of budding period,while winter freeze damage had no significant impact on the growth of tea plants.Based on the study of the occurrence of these disasters,some response measures had been proposed.

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