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通过两年的观测统计 ,分析了晚熟龙眼立冬本秋、冬梢不同抽生期及结果母枝生长状况对开花结果的影响 ;提出立冬本龙眼初结果树两个最佳放梢时期分别为 8月中旬至 9月上旬、 10月上旬至 10月下旬 ;优良结果母枝应选择粗度 0 .70～ 1.0 9cm的枝梢为宜 ;统计分析表明 ,结果母枝粗度与穗坐果数呈极显著正相关 ,而结果母枝长度、复叶数与穗坐果数的相关不显著 ,说明结果母枝的粗度对坐果的影响最大 ,是立冬本优良结果母枝的主要衡量指标 ;立冬本初结果树在12月上旬之前抽发的枝梢仍可开花结果 ,但 8月上旬、 12月上旬两个时期所抽枝梢的结果性能差 ,生产上应予疏除
Through two years of observational statistics, the effects of the early winter ripening on the flowering and the fruiting branch growth of late-ripening longan were analyzed, and the results showed that the two best initial shoot-out periods were 8 Mid-month to early September, early October to late October; excellent results should choose the mother of branches 0.70 ~ 1.0 9cm of the branches should be appropriate; statistical analysis showed that the results of the parent branch thickness and the number of spike fruit pole But there was no significant correlation between the length of parent branch and the number of fruit set in panicle, which indicated that the thickness of the parent branch had the most significant effect on the fruit set, which was the main measure of the excellent result of winter branch. The results of the tree before the beginning of December shoots branches still can blossom, but in early August, early December two periods of the branches of the performance of poor performance, production should be sparse