几种保果剂对大红袍荔枝保果效应的比较

目的]寻找能提高荔枝着果率和果实品质的保果剂,指导果农进行荔枝保果并为荔枝的生产提供参考。方法]选择几种保果剂分别于大红袍荔枝谢花后、果实膨大期进行叶面、幼果喷施,比较几种保果剂对大红袍荔枝的保果效应,找出能提高荔枝着果率和果实品质的保果剂。结果]不同保果剂对大红袍荔枝的保果效应不同,保果剂处理果实膨大期着果率和果实采收前着果率均为使用保花保果王750倍液的最高。根据保果后着果率和果实品质综合评价得出,使用保花保果王750倍液效果最好。结论]使用保花保果王750倍液对大红袍荔枝的保果效果最佳。

Effect of Some Fruit-keeping Agents on the Litchi Fruit-setting

Objective] The reference for the guidance of litchi(Dahongpao) fruit-keeping and its production of farmers was provided through the research on the effect of the fruit-keeping agents on the fruit-setting and quality.Method] The several fruit-keeping agents sprayed on the leaf or young fruit of the litchi after its flowering or in the fruit expansion stage affected the fruit-setting were compared so that the best agents could be found out.Result] The different agents affecting the fruit-setting were various and 750 times of the agent—Baohuabaoguowang sprayed in fruit expansion stage or before harvesting was the maximum efficiency on the fruit-setting.Based on the integrated evaluation of fruit-setting and quality,the 750 times of the agent—Baohuabaoguowang was best.Conclusion] The 750 times of Baohuabaoguowang was the maximum efficiency on the fruit-setting.