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通过叶面喷施多效唑,探讨其对夏花生综合性状的影响。试验结果表明:花生喷施多效唑的适宜浓度为210mg/L。在花生始花期后25天喷施多效唑,花生的主茎高度、有效枝长度和侧枝长度变短,而总分枝数、单株果数、饱果数和饱果率均比对照增加;单株产量在低浓度时高于对照,超过210mg/L时产量低于对照;花生百果重、百仁重、出仁率、子仁脂肪和蛋白质含量随着多效唑浓度的增加比对照有所下降,但由于花生产量的增加,单位面积脂肪产量和蛋白质产量都较对照增加。
Effects of paclobutrazol (PP333) on the comprehensive characters of summer peanut were studied by foliar spray. The results showed that the optimum concentration of paclobutrazol sprayed with peanut was 210mg / L. When paclobutrazol was sprayed 25 days after the first flowering stage of peanut, the main stem height, effective branch length and branch length of peanut were shortened, while the total branch number, fruit number per plant, full fruit number and full fruit percentage increased compared with the control; The yield of plant was higher than that of the control at low concentration, but lower than that of the control at the concentration of more than 210mg / L. The weight of peanut, berry weight, kernel yield, kernel fat and protein content decreased as the concentration of paclobutrazol increased , But due to the increase of peanut yield, fat yield and protein yield per unit area increased compared with the control.