喷施磷酸二氢钾对草石蚕生长及产量的影响

Effect of Spraying Potassium Dihydrogen Phosphate on the Growth and Yield of Stachys sieboldii Miq

在苗期对草石蚕植株叶面喷施不同浓度磷酸二氢钾,研究草石蚕的生长发育及产量表现。结果表明:喷施磷酸二氢钾对草石蚕苗期植株株高有抑制作用,而对地下块茎粗、鲜块茎重和每穴地下块茎数的增加有促进作用;喷施磷酸二氢钾的处理产量均高于对照,其中以处理2的地下块茎产量最高达1496kg/667m^2,并与对照的差异达显著水平。

The growth and yield of Stachys sieboldii Miq had been studied by spraying potassium dihydrogen phosphate on plant during the seedling stage.The results showed that potassium dihydrogen phosphate was effective both on increasing underground tubers thick,fresh tuber weight and the number of underground tubers.while inhibiting height-plant, yield of each treatment higher than CK,among which treatment 2 was the best,which reached 1 496 kg/667 m^2 and had the significant difference with CK.