河西走廊地区甘草红蜘蛛防治药物筛选
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摘要
观察73%炔螨特EC、34%螺螨酯SC、15%四螨哒WP、20%四螨嗪EC、20%哒螨灵EC对甘草红蜘蛛虫卵盛期和虫卵高峰期的防治效果。结果表明,73%炔螨特EC对虫卵盛期和虫卵高峰期的甘草红蜘蛛均具有杀灭作用,且在连续施药时虫口密度下降最为明显;73%炔螨特EC对虫卵高峰期防治效果最明显,其次为34%螺螨酯SC、15%四螨哒WP。综合防治效果提示,73%炔螨特EC对于甘草田内盛期红蜘蛛虫卵和高峰期红蜘蛛虫卵均具有良好的杀灭作用,且虫卵盛期的防治效果优于虫卵高峰期,故应在虫卵盛期加强对甘草田内红蜘蛛的防控,注重防控药剂的轮换使用,防止虫卵产生耐药性。
To observe the control effects of 73% acetylene EC, 34% spiroester SC, 15% tetraterpene WP, 20% tetrapyridazine EC,20% hydrazine EC on the reproductive peak speriod and peak Speriod of the eggs of red spider(mite)on Glycyrrhizae. The results showed that 73% acetylene EC had killing effect on the reproductive peak speriod and peak period of the eggs of red spider(mite)on Glycyrrhizae and the decrease of density of the worms was the most obvious when the drug was applied continuously. The effect 73% acetylene EC was most significant,it was followed by 34% spirofenate SC and 15%tetramethasone WP. The comprehensive control effect suggest that 73% acetylene mites had good killing effect on the reproductive peak speriod and peak period of the eggs of red spider on Glycyrrhizae,the control effect on the reproductive peak speriod was better than peak period of the eggs. The prevention and control of red spider in Glycyrrhizae field should be strengthened in the peak period of insect eggs,and attention should be paid to the rotation application of prevention and control agents to prevent the occurrence of drug resistance of insect eggs. It was necessary to strengthen the prevention and control of red spiders in the Glycyrrhizae field during the peak period of the eggs,and pay attention to the rotation application of the control drugs to prevent the resistance of the eggs.
To observe the control effects of 73% acetylene EC, 34% spiroester SC, 15% tetraterpene WP, 20% tetrapyridazine EC,20% hydrazine EC on the reproductive peak speriod and peak Speriod of the eggs of red spider(mite)on Glycyrrhizae. The results showed that 73% acetylene EC had killing effect on the reproductive peak speriod and peak period of the eggs of red spider(mite)on Glycyrrhizae and the decrease of density of the worms was the most obvious when the drug was applied continuously. The effect 73% acetylene EC was most significant,it was followed by 34% spirofenate SC and 15%tetramethasone WP. The comprehensive control effect suggest that 73% acetylene mites had good killing effect on the reproductive peak speriod and peak period of the eggs of red spider on Glycyrrhizae,the control effect on the reproductive peak speriod was better than peak period of the eggs. The prevention and control of red spider in Glycyrrhizae field should be strengthened in the peak period of insect eggs,and attention should be paid to the rotation application of prevention and control agents to prevent the occurrence of drug resistance of insect eggs. It was necessary to strengthen the prevention and control of red spiders in the Glycyrrhizae field during the peak period of the eggs,and pay attention to the rotation application of the control drugs to prevent the resistance of the eggs.
引文
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[2]吴文霖,朱国章.甘草蚜虫为害情况调查及防治研究[J].植物保护学报,1989,17(1):88+94.
[3]李新成.四种甘草的抗蚜性研究[J].植物保护学报,1992,20(3):210,216.
[4]袁宝财,王银惠.甘草病虫害的防治[J].宁夏农林科技,1994(3):32-33.
[5]梁晔,周开强,刘小卫,等.黔单19号在桐梓县种植密度试验初报[J].农技服务,2008(6):11-12.
[6]徐文华,沈安国.几种农药防治棉铃虫的药效试验[J].江西棉花,2000(2):21-26.