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采用不同浓度的多效唑喷施海滨雀稗 (PaspalumvaginatumSwartz.)草坪草叶面 ,结果表明 ,5 0～5 0 0mg/L多效唑使草坪草高度下降 ,匐枝主茎及各分枝长度变短 ,密度增加 ,根短 ,每节根数减少 ,叶短 .5 0～ 2 0 0mg/L多效唑使地上部分鲜重增加 ,对叶片宽度无明显影响 5 0 0mg/L使地上部鲜重下降 ,叶宽增加 .多效唑对草坪草生理特性的影响主要表现为叶片叶绿素含量降低 ,可溶性糖含量升高 .
Different concentrations of paclobutrazol spray Paspalum varginatumSwartz grass lawn leaf surface, the results showed that the lawn height of 50 ~ 500 mg / L paclobutrazol decreased, the length of the main stem and branches of the rips shortened, the density The root number was shortened and the number of roots was shortened and the leaves were short.500 ~ 200 mg / L paclobutrazol increased the above-ground fresh weight and had no significant effect on leaf width. Increase.The effect of PP333 on the physiological characteristics of turfgrass mainly showed that the leaf chlorophyll content decreased and the soluble sugar content increased.