Now it is the maturity of corn, and it is also the high incidence of corn pests and diseases, such as insects, mainly aphids, corn borers, armyworms. The main diseases are large spot disease, small spot disease, rust, etc. It is necessary to actively carry out the prevention and control of corn pests and diseases. Let's follow the Xiaobian together.
This period of maturity of maize is a period of high incidence of pests and diseases. The main pests are aphids, corn borers and armyworms. The main diseases are large spot disease, small spot disease, rust and so on.
For the control of aphids, 50% of the fog can be sprayed with 8-10 grams per mu or 10% imidacloprid 10-15 grams per acre for 45 kilograms of water.
The control of corn mash is mainly in the big bell mouth period. When the corn mash has a rate of 10% in the heart leaf, mix it with 1% gram of phoxim emulsifiable concentrate and 50 kilograms of fine sand to prepare 1% phoxim granules. Control in the heart leaves, 500 strains per kilogram can be controlled; or 0.5 kg of 3% phoxim particles, 7.5 kg of fine sand, mixed and sprinkled into the heart leaves, 1.5-2 grams per plant.
The armyworm can be controlled by spraying with chlorfenapyr or 4.5% beta-cypermethrin 1500-2000 times solution. For the prevention and treatment of large spot disease and small spot disease, 1-2 pieces of diseased leaves at the bottom of the corn can be removed and then destroyed, and then sprayed with 50% carbendazim or 70% methyl thiophanate 500 times solution, or 75% mancozeb 500-800. Double liquid spray control.
In the early stage of the disease, corn rust should be sprayed and controlled in a timely manner. Commonly used agents are 65% Daisen zinc 500 times solution, 25% triazolone wettable powder 1500-2000 times solution, and 25% powder rusting wettable powder 1000-1500 times solution. Spray once every 10 days or so for 2-3 times. Do a good job in the prevention and control of pests and diseases during the ripening of corn, which can effectively increase the income of farmers who increase corn production by farmers, and it is actually improving quality and benefiting farmers.
More pesticide knowledge , please pay attention to China Pesticide Network
.jpg)
Touchless Kitchen Faucets,Touchless Kitchen Faucets price,Touchless Kitchen Faucets products
Yuyao Zelin Sanitary Ware Co., Ltd , https://www.zlsanitaryware.com