摘要
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。
AlthoughtheartificialthinningofcatkinscanincreasetheyieldandqualityofChinesechestnut,itisdifficulttoapplyitinproduction.Thechemicalcatkinsthinninghasthecharacteristicofsimplifiedmanipulation,savingoftimeandlaborandthesignificantincreasingofyieldandquality.TheeffectofSXCwithdifferentmedicamentandconcentrationonmaleflowerindifferentbreedsandperiodwasstudiedinthispaper.Thesuitablebreedsanddateforchemicalcatkinsthinningwerepointedoutaswellasthemedicamentandconcentrationofchemicalcatkinsthinning.
基金
河北省科委"八五"攻关课题
关键词
板栗
化学疏雄
疏雄醇
疏雄率
chestnut
chemicalthinningcatkins
SXC
catkinsthinningratio
