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【目的】通过对幼龄灰枣适宜负载量的研究,以期为实现枣高产、优质和高效栽培提供基础。【方法】以34、龄灰枣嫁接苗为试材,通过连续2年的研究,探讨负载量与枝组粗度、产量及单果重的关系。【结果】枝组粗度(X)与产量(Y)成显著相关性,其回归方程为Y=219.6X-102.7,枝组负载量(Y)与枝组粗度(X1)和平均单果重(X2)的回归方程为Y=[219.6X1-102.7]/X2;单株负载量与产量成正相关,与单果重及枣果均匀度成反相关;枣吊1~7节保果数约占总保果数的89.7%;枣吊负载量越大,落果率越高、单果重越小。【结论】3龄灰枣单株负载量以150个果左右为宜;生产中枣吊摘心宜在第8个节点后;单个枣吊负载量以保留2个枣果为宜。
【Objective】 The research aimed to study the appropriate loading of jujube jujube in order to provide the basis for the high yield, high quality and efficient cultivation of jujube. 【Method】 The 34-year-old grafted jujube grafted seedlings were used as materials to study the relationship between the loading and the thickness, yield and fruit weight of two branches. 【Result】 The results showed that there was a significant correlation between the root thickness (X) and yield (Y), the regression equation was Y = 219.6X-102.7, (X2) was Y = [219.6X1-102.7] / X2. The single plant load was positively correlated with the yield, and it was inversely correlated with the fruit weight and jujube uniformity. 89.7% of the total number of fruit; jujube hanging capacity greater, the higher the fruit drop, fruit weight smaller. 【Conclusion】 The results showed that the loading capacity of three-year-old jujube was about 150 fruit per plant. The production of mid-jujube plum blossom should be after the eighth node. The single jujube load could retain two jujube fruits.