The corn production process is divided into several stages, such as seedling stage, harvesting stage, earing stage, flowering stage, jointing stage, etc. Today we are going to learn about the management and management measures of the maize jointing stage, and the management of the corn jointing stage. The yield of corn is still very important.
First, disease prevention
The main diseases encountered during the jointing stage of maize are corn leaf spot, corn rust, and corn spot disease. Let's put together the corn-sized spot disease. The corn-sized spot disease mainly harms the leaves. There are four main reasons for this. One is the variety, the second is the climate, the third is planting, and the fourth is soil. In view of the occurrence of large (small) spot disease in the field, it is necessary to fight drugs in a timely manner. Commonly used agents are triadimefon, carbendazim, difenoconazole, pyraclostrobin and the like. Corn rust is also a common disease, affecting the normal photosynthesis of corn, leading to a decrease in yield and quality. For corn rust, available agents include benzoylpropanazole, tebuconazole, thiazolamide, etc., depending on the control situation. Not available at one time, 7-10 days apart, can be sprayed several times.
Second, pest control
The jointing stage of corn is mainly to control corn borer and armyworm. The corn armyworm is mainly harmful to the leaves. When it occurs lightly, small holes will be found on the leaves. In severe cases, the leaves are eaten in large areas, and only bare stems may be left. For the control agents of corn armyworm, commonly used are vitamin A, beta-cypermethrin, chlorantraniliprole and the like. Corn borer is also mainly harmful to corn leaves, and is not the same as corn armyworm. The two can not be confused. For the insecticide of corn borer, the available agents are a vitamin salt, chlorantraniliprole, avermectin, and Su Yunjin. A single agent such as bacilli.
Third, water and fertilizer management
In fact, the production stage of corn is inseparable from water and fertilizer. If there is water shortage and lack of fertilizer, it must be replenished in time. Especially in the dry season, there is no rain for a long time, and farmers must be timely flooded. In order to ensure the supply of nutrients throughout the growing period of corn, it is necessary to topdress the corn. If the topping period of the corn is relatively sufficient, follow the growth of the field corn and spray some foliar fertilizer.
The above is the main management measures for the maize jointing period. Welcome the corn growers' friends to continue to supplement. If you still want to learn the management points of other corn growth stages, you can continue to pay attention!
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