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为提高大石早生李初果期坐果率,于盛花期进行人工授粉、环剥和环割、喷施激素和微肥试验。结果表明:选择盖县大李和香蕉李作授粉树,盛花期对主干进行环剥、喷施30×10-6赤霉素、100×10-6氯化稀土、03%硼砂+03%尿素,均能显著提高大石早生李坐果率。
In order to improve the early fruiting period of early stamen, the artificial fruit pollination, girdling and ring cutting were carried out in the full flowering stage, and the hormones and trace fertilizers were sprayed. The results showed that the selection of Daixian County and banana Lee for pollination of trees, full flowering on the trunk girdling, spraying 30 × 10-6 gibberellin, 100 × 10-6 rare earth chloride, 03% borax + 03% urea , Can significantly improve the rate of early fruiting birch fruit sets.