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What plant family does corn belong to? Understanding corn's family and genus in one article
Corn, also known as bao gu, is an important food crop in our country and is often boiled and eaten for breakfast. It is now grown in most regions, so what plant family does corn belong to? 1. What plant family does corn belong to? Corn is an annual herbaceous plant in the grass family (Poaceae). It originated in South America
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How to Treat Corn Diseases? A Detailed Guide to Prevention and Control Methods
Corn is prone to diseases during its growth process, which can easily affect the growth of corn. So how do you treat corn diseases? Corn diseases include northern corn leaf blight, corn rust, corn round spot disease, and others. Different diseases have different prevention and control methods. For example, northern corn leaf blight
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What to Do About Herbicide Damage in Corn? These Remedial Methods You Need to Know
During the growing period, corn can suffer from various pests and diseases, and to prevent these pests and diseases, various chemicals must be sprayed. However, because the application methods of various chemicals differ, using them incorrectly can cause various types of herbicide damage. So what should be done about herbicide damage in corn? Method 1: Intertillage For soil
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Cultivation Methods and Technical Points for Intercropping Onions with Corn
This model is suitable for promotion and planting in river-irrigated areas with good water and heat conditions. The usual yields are 7500 kg/hectare for corn and 57000 kg/hectare for onions, with an output value of 38000 yuan/hectare and a net income of 32250 yuan/hectare. 1. Planting arrangement Onions are sown in drills in mid-to-late September at a row spacing of 20 cm
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What are the control methods for corn smut?
In recent years, corn smut has become fairly common, and when the ear is affected it loses its value for food and feed, so control work should be done early. Throughout the entire growth period of corn, all young aboveground parts can be affected by corn smut. The diseased part is tumor-like, and the size of the tumor varies depending on
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Five precautions for using herbicides in summer corn fields
The summer corn growing season coincides with high temperature and high humidity, and weeds in the field grow rapidly. In addition, with more rainfall, manual and mechanical weed control is relatively difficult and labor-intensive, so chemical weed control in corn fields is increasingly accepted and widely used by farmers. There are many types of corn herbicides with high application technical requirements
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Key Field Management Techniques for the Late Growth Stage of Corn
1 Remove field weeds and diseased or weak plants. With the widespread adoption of mechanized wheat harvesting, the shading of wheat straw and stubble reduces the control effect of herbicides, and weeds left in wheat fields also increase the difficulty of weed control. For plots where chemical weed control is ineffective and field weeds are abundant, timely
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Key Technical Points for Summer Corn Planting and Field Management
Most summer corn has already entered the jointing stage to the large trumpet stage; therefore, doing a good job of chemical regulation for lodging prevention at the jointing stage, ear fertilizer application, and pest and disease control is crucial for achieving high corn yields. 1. Scientific chemical regulation. Because the wheat growth period was delayed, corn sowing dates were generally later, and the jointing stage coincided with the rainy season, planting hidden risks for corn lodging. Chemical regulation not only makes corn stalks tough, the root system well developed, and lodging resistance stronger, but also deepens leaf color, thickens leaves, increases chlorophyll content, and enhances photosynthesis. It can generally reduce plant height by 10-15 cm and ear height by 10-12 cm, and can also shorten internodes, shaping an ideal high-yield plant form with good ventilation and light penetration. It plays a role in drought resistance, disease resistance, lodging resistance, and promoting reproductive growth, helping to produce large cobs, more kernels, heavier kernels, and a low bare-tip rate. It increases density by 200-400 plants per mu, with a yield increase generally of 15%-30%, truly achieving “seeking high yield within dense planting.” The time for chemical regulation is generally when corn has 6-13 expanded leaves, and the effect is best at 8-13 expanded leaves. Before the 6-leaf stage, corn leaves are slender and the leaf surface is smooth. When corn reaches the 7-expanded-leaf stage, the leaves become broad and thick, and fine soft white hairs appear on the leaf surface that can be easily felt with the back of the hand; this is the best time to spray chemical regulation agents. For the spray agent, the top choice is Dinongbao, the latest research achievement of the Chinese Academy of Agricultural Sciences.</p><p>2. Topdressing ear fertilizer. During the ear stage, the absorption of mineral nutrients is greatest and the absorption intensity is highest; this is the period when corn absorbs nutrients fastest and is also the most important fertilization period in its life. Topdressing nitrogen fertilizer at the large trumpet stage can effectively promote the differentiation of female ear florets and achieve large ears with many kernels. Generally, 20-25 kg of urea or nitrogen-potassium compound fertilizer can be topdressed per mu. The topdressing method can be trenching beside the rows or hole application deep beside the plants, preferably combined with irrigation or applied during effective rainfall. Never broadcast fertilizer on the soil surface to prevent fertilizer loss.</p><p>3. Strengthen pest and disease control. For pests and diseases at the summer corn ear stage, focus on controlling brown spot and corn borer. Brown spot can be controlled by foliar spraying with 12.5% Hexaconazole or 12.5% Triadimefon; corn borer can be controlled at the large trumpet stage by pouring phoxim granules into the whorl or by spraying the heart leaves with 4.5% beta-cypermethrin emulsion or 50% phoxim emulsifiable concentrate. </p>
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What are the field management measures for summer corn in the middle and late stages
1) Timely intertillage and topdressing to meet nutrient needs. During the jointing to small trumpet stage (from 6 leaves unfolded to 10 leaves unfolded), apply fertilizer in combination with intertillage. Through intertillage, destroy wheat stubble, loosen the soil, and control weeds. Topdressing should be mainly nitrogen fertilizer; do not broadcast it on the soil surface. It should be concentrated near the roots
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What are the key technical measures for increasing yield in the late growth stage of corn?
To achieve high corn yields, the following four key techniques should be carried out in the late growth stage. 1. Pull out barren stalks. After the booting stage of corn, time should be taken promptly to pull out the barren plants that have weak growth, slender stalks, and either no ears or ears that cannot grow large and do not silk, pollinate, or set seed.
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