【摘要】 采用田间小区试验和室内试验方法， 探讨了锐劲特对甜菜象虫的防治效果。结果表明：５ ％锐劲特种子处理剂，种子、水、药为１００ ∶１００ ∶２．７ 配比的处理， 田间试验防效为８６ ．８％ ， 室内试验象虫死亡率为９７ ．８％ ， 比甲基硫环磷处理分别提高１５．５ ％ 和３２ ．２ ％ 。锐劲特各处理都具有增产增糖作用。更多还原

【Abstract】 Approaching on Effect of the Fipronil control of snout beetle in sugarbeet with small plots tests and Lab. tests, the results have shown that: the effect of 5% Fipronil controlling snout beetle in sugarbeet testing field and mortality of snout beetle in Lab. was up to 86.8% and 97.8% which treated with pesticide, seed,and water: 2.7∶100∶100 increasing 15.5% and 32.2% than other pesticides,sugar yield and sugar content increasing also.更多还原