At present, pests and diseases occurring in wheat fields include: sheath blight, root rot, wheat spiders, and weeds in wheat fields. Broad-leaved weeds have sow wormwood, leeks, swine crickets, and wheat bottles; grasses and weeds include bromegrass and aegilops. With the gradual increase in temperature, suitable temperature and humidity, sheath blight, root rot, wheat spiders, wheat leaf peaks, and weeds will rapidly spread and inflict damage. Special attention must be paid to the occurrence of wheat spiders that pour in spring and spring water. Hazard situation. It is hoped that the majority of farmers will attach great importance to the timely implementation of the “one-shot comprehensive prevention†of the diseases and weeds in wheat fields.
In view of the current occurrence of diseases and diseases of wheat and wheat in the fields, scientifically “one-spray comprehensive prevention†is adopted. That is, fungicides, insecticides, acaricides, herbicides, and plant growth regulators are sprayed after mixing to achieve herbicidal, pest control, disease prevention, and plant resistance enhancement, and to achieve the purpose of one drug and multiple effects. Cooperatives, villages, and groups are responsible for unity prevention and use the role of new plant protection machinery, especially large-scale plant protection machinery, to improve control efficiency and control effectiveness. During the period of prevention and treatment of wheat to rise - before jointing (from late March to early April).
Recommended drug species:
1. Bactericide: Mu with 12.5% ​​diniconazole 15-30g plus 50% carbendazim 80-100g or 20% triadimefon 50ml plus 50% carbendazim 80-100g.
2, insecticides: with pyrethroid pesticides.
3. Acaricides: use 15% fluorenone or 73% Creutin (e-proton) EC 1500 times, or 1.8% avermectin 3000 times, or 40% dimethoate 1000 times, The abundance of avermectin mixed with other medicaments is good. Got up - the cool climate during the jointing season is dominated by the wheat spiders. Before and after noon, they sprayed when the wheat spiders suffered the most damage. In the late high-temperature weather, wheat leg spiders were predominant and sprayed before 10 o'clock in the morning and after 4 o'clock in the afternoon.
4. Herbicides: In wheat fields dominated by broad-leaved weeds such as swine fever and leek, 10-15 grams of tribenuron-methyl is used to control broad-leaved weeds. It can also be used to make it Long, so that A mixture (a mixture of it and 2 A 4 chlorine), benzene mixture (Bendason and 2 A 4 chlorine mixed), can also use the tribenuron series of mixtures.
5, plant nutrients: such as island hormone, Yi Jia boron and so on.
Scientific use of the above agents mixed and mixed with 30 kilograms of water to spray can effectively control wheat sheath blight, root rot, virus disease, wheat leaf bee, wheat spiders, early wheat bran, wheat field weeds, etc., to grass weeds Wheat and Aegilops corn are not suitable for chemical control at present and should be removed manually. Before its heading, the wheat field in the area of ​​occurrence should be pulled out one or more times by pulling the net, avoiding the land and leaving no dead ends, and strive to control the damage, so as to avoid falling into the soil when the weed seeds mature and mixing into the wheat when harvesting.
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