1选用内吸性农药内吸性农药可通过植物根、茎、叶等进入植株体内,并输入到其它部位。据报道,三环唑喷药后1小时遇雨,对药效没有影响。磷胺施用后1小时,约有50%的药量进入到作物组织内。内吸性农药氧化乐果、久效磷、乐果、托布津、多菌灵、粉锈宁、杀虫双、乙草胺、精禾草克、? 1 use of systemic pesticides Absorption of pesticides through plant roots, stems, leaves, etc. into the body, and enter other parts. According to reports, tricyclazole spray 1 hour after the rain, no effect on the efficacy. Approximately 50% of the dose enters the crop tissue 1 hour after phosphomu amine administration. Internal absorption of pesticides Omethoate, monocrotophos, dimethoate, Topazin, carbendazim, triadimefon, insecticidal double, acetochlor, fine grass grams,?