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新农药多菌灵(苯骈咪唑44号,MBC)及托布津,是高效低毒、广谱性的内吸杀菌剂。对稻、麦、棉、麻、果树、蔬菜等50多种作物病害均有很好的防治作用。对人、畜毒性低,如多菌灵小白鼠口服致死中量为3500毫克/公斤,甲基托布津为3400-3500毫克/公斤。根据国内外报导这些新农药防治稻瘟病及纹枯病的效果很高,对作物安全,无药害。为适应我省农业生产发展需要,寻求防治纹枯病的新药剂,1974年进行了50％苯骈咪唑44号可湿粉,70％甲基托布津可湿粉,50％托布津可湿粉,40％克瘟散乳剂及5％田安水(标准药剂)进行防治稻纹枯病试验。
The new pesticides carbendazim (benzimidazole 44, MBC) and Topaz, is a high efficiency and low toxicity, broad-spectrum systemic fungicide. Right rice, wheat, cotton, hemp, fruit trees, vegetables and other 50 kinds of crop diseases have a very good control effect. On people, animal toxicity is low, such as carbendazim mice oral lethal dose of 3500 mg / kg, thiophanate methyl 3400-3500 mg / kg. According to reports at home and abroad of these new pesticides against blast and sheath blight of the high effect on crop safety, no phytosanitary. In order to meet the needs of the development of agricultural production in our province, to seek a new agent for the control of sheath blight, in 1974 conducted a 50% benzimidazole 44 wettable powder, 70% thiophanate-methyl wettable powder, 50% Topaz wettable powder , 40% gram powder dispersible emulsion and 5% Tian’an water (standard medicine) for the control of rice sheath blight.