Tricyclazole is a systemic fungicide specially designed for the control of rice blast, especially for the control of panicle blast. Tricyclazole is low in dosage (14-27g per acre of active ingredient), has a long-lasting effect (2-3 weeks), and has a good preventive effect, so it has strong competitiveness in the pesticide market. The use of tricyclazole is now described as follows:
1. Control rice nursery,
In the 3 to 4 leaf stage of the seedlings or 5 days before transplanting, use 20% tricycloazole wettable powder 50-75 grams (1 to 1.5 two) per acre, and spray 30-50 kg evenly with water.
2, prevention and control of rice leafhopper,
When the leaf 瘟 just happened, use 20% trioxazole wettable powder (2. 2) per acre, and add 60 kg of water to spray. The method of popularization and application in Hubei Province is to use 1 750 times of 20% tricyclazole wettable powder, dipping for one minute, taking out the pile for half an hour, and then planting, the control effect on leafhopper is better than spray.
3. Control rice ear lice,
In the early stage of rice breakage, use 20% tricyclazole wettable powder 75-100 g (1.5-2) per acre, or use 75% tricycloazole wettable powder 30 g (6 money), and add 60 kg of water spray. Generally, once applied, there is about 80% effect. If the condition is serious, the climate is conducive to the development of the disease. When the seed is sprayed once, the dose is the same as the first time, and the effect is better.
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