Preparation method of pesticide "mixed and used now"

The pesticides have different medicinal properties, different control objectives, and mixed purposes, so the method of mixing is different. The Chinese Pesticide Network Xiaobian explains for everyone, the "decrease" when the same target is prevented, and the "various amount" of pesticides that are used to treat different targets.
"Decrease" when the same target is prevented. It is a common means of mixing drugs. Because of the common goal of preventing the same goal, it is reasonable to help each other. In the preparation method, it is usually a rule of equalization. That is, when the two mixes, each maintains half of the original dose; when three mixes, and so on. For example, when controlling sweet pepper gray mold, 50% carbendazim WP 1000 times solution and 50% chlorhexidine WP 2000 times solution are mixed and applied. In the preparation, the amount of the mixed pesticide is half of the original dosage (500 times solution for carbendazim and 1000 times solution for chlorhexidine). For example, when controlling larvae of Spodoptera litura and Spodoptera litura, 5% of the gram of emulsifiable concentrate 2000 times, 75 liters of pesticide per acre, and 20 ml of 5% cypermethrin emulsifiable concentrate were applied. In the preparation, it basically conforms to the halving rule (1000-1500 times solution for the single-proof card, and 3000 times for the cypermethrin). For example, when weeding weeds in spring wheat field, it is indicated that each of the two-volumes of 2% chlorsulfuron suspension + 10% bensulfuron-methyl WP can be mixed. Numerous application examples are classified as equal-additional "fixed" rules for this class. However, under the obvious synergy, it can be “reduced”.
"The amount" when treating different targets. It is also a means of mixing drugs. According to the situation of mixed pests and diseases in the same period, the goal of Tongzhi is confirmed, and mixed medicine is used. Due to the respective objectives of each defense, it is reasonable to maintain the rules for their effective prevention and control (ie, "each amount"). For example, when cucumber fungal downy mildew and bacterial angular spot disease are mixed, 40% ethyl phosphine aluminum wettable powder 250 times liquid + 50% succinic acid copper acid wettable powder 500 times liquid is mixed and applied. Although they belong to the same disease category, they are divided into different pathogens. Therefore, the ethyl phosphine aluminum and the succinated acid copper are each protected against each other's targets, and in the preparation, the "each amount" must be used. (Single anti-time ethyl phosphine aluminum with 250 times liquid, succinic acid copper with 500 times liquid). Another example is powdery mildew, spotted leaf disease, leafhopper and other mixed pests after apple flowering, using 15% powder rust WP 1000-1500 times liquid + 10% oxymycin WP 1500 times liquid +1.8 % avermectin 5000 times solution was applied. The pesticide network reminds everyone that in the preparation, the three-parallel mixed pesticides are also used for each target.

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