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马齿苋(Portulaca oleracea L.)历年在我省淄博城郊菜区为害严重.据近两年实地观察,每年3月底至4月上旬5天的日平均地温在15℃以上时,始见幼苗,一直持续发生为害至10月底,夏秋两季的日平均地温稳定在25—30℃之间,为马齿苋发生为害的高峰;在水肥条件好的菜园,1平方米面积上马齿苋株数多达400株以上.人工拔除费时、费力,难于彻底消灭,严重影响
Portulaca oleracea L. (Portulaca oleracea L.) over the years in Zibo city in our province seriously ill.According to field observations in the past two years, from the end of March each year to early April 5 day average ground temperature above 15 ℃, see seedlings, Continued to occur until the end of October until the end of October, the average daily temperature in summer and autumn stable at 25-30 ℃, is the peak of purslane damage; good water and fertilizer in the vegetable garden, 1 square meter area Amaranthus amarantha More than 400. Manual removal time-consuming, laborious, difficult to completely eliminate, seriously affected