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对柑桔落花落果情况及相应气候特点进行综合分析,结果表明,温州蜜柑前期异常落果,除与树体营养状况、栽培管理水平等因素密切相关外,开花前后异常高温危害是主要原因。采用深耕改土、园土覆盖、喷施肥水、喷涂激素等项防治措施,可以控制异常高温落果。
The results showed that the abnormal fall of early stage of Satsuma mandarin was closely related to the nutrition status of tree body and the level of cultivation and management, and the main cause of the abnormal high temperature before and after blooming. The use of plowing and soil improvement, soil cover, spraying fertilizers, spraying hormones and other prevention and control measures, can control abnormal high temperature drop fruit.