Abstract: According to statistics, the key meteorological influencing factor in the yield of Citrus reticulata var. ponkan were the temperature and rainfall of March, the rainfall from Jan. to Feb. and from Sep.1 to Nov.15. Based on the integral regression analysis, the curve of growth of citrus fruit were also given in this paper.

Key words: Citrus reticulata var.ponkan, yield, temperature, rainfall

摘要： 统计分析表明,对福建长泰椪柑产量丰欠有显著影响的气象因子主要有3月雨量和气温,1~2月雨量,9月1日~11月15日雨量。3月上旬~10月下旬,是椪柑产量形成关键期。采用回归积分分析,求出各时段的生长函数,定量描述气温、雨量每增加或减少一个单位对椪柑产量形成的影响。

关键词: 椪柑, 产量, 气温, 雨量