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人工疏雄可显著地增加板栗产量和质量，但人工疏雄难以在生产上推广，化学疏雄具有操作简单、省工省时和增产效果显著的特点。为此，试验研究了不同药剂、不同品种、不同浓度和不同时期疏雄醇对板栗雄花的疏除效果，提出了板栗化学疏雄的适应品种和药剂，选择了合适的疏雄时期和浓度。
Artificial sparse male can significantly increase the yield and quality of chestnut, but artificial sparse male is difficult to promote the production, chemical sparse male has the advantages of simple operation, saving time and labor and significant yield increase. Therefore, we studied the effects of different agents, different varieties, different concentrations and different periods on the sparseness of the male flowers of Chestnut, and put forward the adapted varieties and agents of Chestnut Chestnut, and chose the appropriate period and density.