How should wheat seed dressing be used?

Before the wheat is planted, the wheat seeds are dressed in red. This red object is a wheat seed coating. Red is the warning color of the seed dressing, and some of the warning colors of the wheat seed dressing are blue and green.

The aim is to let people know that these are wheat seeds that have been treated with drugs to avoid deep contact or accidental consumption. A good film former, when it encounters moisture in the soil, the omentum that wraps around the surface of wheat expands without falling off or dissolving.

Its water permeability and air permeability are relatively strong. It does not affect the nutrient uptake of wheat seeds in the soil, and is extremely stable for the sustained release effect of the drug. The biggest difference between a high-quality seed coating agent and a low-quality seed coating agent is also the most obvious difference.

It also explains that imidacloprid or thiamacloprid are the same. Why spray wettable powder or water dispersible granules cannot be used for wheat seed dressing. In addition to the control of underground pests, it can also control a variety of soil-borne diseases and seedling diseases, and also has a significant inhibitory effect on aphids during the growth period.

The selection of high-quality, high-yield per plant, strong stress resistance, high economic coefficient, and non-premature aging is conducive to achieving the yield target of more than 1000 kg. In order to prevent lack of seedlings and broken ridges, and ensure the safe wintering of wheat, irrigation should be carried out in time to make the wheat form a solid root system. For better weeding, chemical weeding can be done from mid-January to late February.

In wheat production, scientific fertilization and watering should be carried out according to soil fertility. Wheat should not be too ripe to avoid grain shedding and reduced harvest. Wheat should be collected, dried and stored separately according to varieties to avoid mixing varieties and reduce the commercial and economic value of wheat.

Wheat is a coarse grain omnivorous food. The human body often eats wheat, which is good for the body. Wheat is highly nutritious and contains B vitamins and minerals.

Eating wheat usually has the effects of eliminating troubles, stopping bleeding, rejuvenating, removing wrinkles, removing freckles, urination, and drying lungs. Wheat also contains a small amount of the carotene folate, which is very beneficial for children.

When using it, it must be diluted first, and it should also be blended according to the proportion, and you must wear a mask and glasses when spraying pesticides, so that you can achieve a comprehensive protection.

Stir the wheat seeds and pesticides in a certain proportion, and then plant them, and water more water after planting the wheat, so that they can play a better role.

Dilute these agents first, then wear masks and glasses when spraying, and try to spray in windless weather, and the sun will shine to make them dry faster.

Mix wheat seeds with rickexiu wet mixture, phosphine emulsifiable concentrate, powdered rust rather emulsifiable concentrate, and powdered rust rather wetted powder.

Some new preparations produced in recent years have a certain effect on the drought resistance and nitrogen fixation ability of wheat. Such as: use the polymer absorbent of seed weight, and each gram of preparation is dissolved in 30 grams of water; Seed dressing with drought resistance agent No. 1 of seed weight, dissolved in water of seed weight 10; First, the seeds are moistened with water, and then the yield increasing bacteria (125 grams per mu) are added. Or add nitrogen-fixing bacteria (500 grams per mu) to dress seeds, and use them as they mix.

For every 50 kg of wheat seeds, choose 50 grams of 2% Rixon wet mix, or 50 ml of 50% phosphine emulsifiable concentrate plus 50 ml of 20% rust Ning emulsifiable concentrate or 75 grams of 15% powder rust rather wet powder, add 2 3 kg of water and stir well, mix while spraying, and sow after drying. The soil should not be too wet after seed dressing, otherwise it will affect the emergence rate. It is better to mix powder rust than wet mix.

Seed dressing can only be used for wheat, corn, millet and millet, and cannot be used for other crops.

1.Suspension seed coating.

Suspension seed coating agent is a flowable and stable uniform suspension made of active ingredients (insecticides, fungicides, plant growth regulators, trace elements, etc.), film-forming agents (polyvinyl alcohol, polyethylene glycol, gelatin, gum arabic, xanthan gum, polymer organic compounds, etc.), wetting agents, dispersants, thickeners, warning colors, fillers and water by wet crushing. No need to add water, you can directly mix wheat seeds according to the proportion, dry and sow seeds, the use method is relatively simple and easy to operate, and it is not easy to use improper methods and other accidents.

2.Emulsifiable seed dressing.

When dressing, you need to add a certain amount of water, pile for a few hours, dry and sow seeds, if the amount of water is not properly controlled or the water quality is polluted by its pH problem, or the stuffing time is too long or too short, etc., it will affect its effect; It mainly controls underground pests at the seedling stage, but can not treat ear aphids and diseases.

3.Granule seed dressing.

It is close to the size of wheat, the same specific gravity, and after being evenly mixed with wheat, it can be sown at the same time, which not only has the unique advantages of not hurting seeds, roots, and seedlings when sowing, but also is conducive to protecting seedlings, killing insects and preventing diseases, and the crop root system is developed, not lodging, and not premature aging; It can use high technology to organically mix excellent insecticides, fungicides, micro-fertilizers and drought-resistant agents to improve the efficacy of each other, which is convenient to use and has high safety.

Seed dressing first choose brand products, large factory production, the effect is trustworthy, and then look at the main prevention, wheat seed dressing is mainly for disease prevention and insect prevention, it is recommended that you can choose high-harvest wheat seed dressing, disease prevention and insect control has a good effect, I hope mine can help you.

The formula of wheat seed dressing is related to the control of disease objects, if it is to control sheath blight, total erosion disease, etc., tebuconazole or difenoconazole can be used in the proportion of seed dressing; If it is to control underground pests, you can choose chlorpyrifos or imidacloprid suspension in the ratio of seed dressing.

Pay attention to the selection of high-fertilizer and water plots. High-yield and high-quality wheat varieties require that soil nutrients must be comprehensive and sufficient to meet the needs of high-yield cultivation, so it is advisable to choose plots with high soil fertility and good watering conditions, increase organic fertilizer, and adopt formula fertilization technology.

Pay attention to prevent lodging and reapply jointing fertilizer. Some of the promoted high-quality wheat varieties are not resistant to lodging, especially for wheat fields with too large groups, a chemical control treatment must be carried out before returning to green to jointing, and paclobutrazol or wheat yefeng can be sprayed. It is necessary to reapply jointing fertilizer to control the formation of excess falling ears and promote large ears and more grains.

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To control wheat soil-borne diseases (root rot, sheath blight, total erosion), tebuconazole or difenoconazole or fludioxonil or phenyl ether can be used. Fludioxonil and other coating agents are dressed. To control underground pests (needleworm, grub, mole skull, cyst nematode, seedling aphid, wheat spider, etc.), seed dressing can be done with phosphine, chlorpyrifos or imidacloprid suspension.

Summary. Wheat seed dressing effect 1, reduce the loss caused by wheat insect pests Wheat insect pests can be divided into underground insect pests and aboveground insect pests, such as mole crickets, needleworms, grubs, aphids, sucking insects, wheat spiders, etc. The occurrence of these pests is serious, which will cause the lack of seedlings and broken ridges at the wheat seedling stage, form weak seedlings and small seedlings, affect the formation of strong seedlings before winter, and thus affect tillering; It is very easy to cause wheat to not grow normally and fill grain, which has direct damage to the yield formation!

Wheat seed dressing generally contains insecticides, which can avoid underground pests and prevent the occurrence of above-ground pests in a large area, which plays a key role in wheat. 2. Reduce the loss caused by wheat disease China's cultivated land area is small, and the multiple cropping index of the land is very high, therefore, there are many pathogens in the soil, and it is easy to harm the growth of crops when encountering suitable conditions, and the impact on yield should not be underestimated. The main diseases of wheat are:

Sheath blight, total erosion, root rot, stalk powdery mildew, scattered smut and fishy smut, etc. Some of these diseases harm the base of the stem, resulting in poor nutrient supply of plants and easy to cause plant death; Some harm the panicle, directly affect the formation of the panicle grain, these diseases occur seriously, it is easy to cause yield reduction, or even the possibility of extinction. 4. The effect of wheat dressing before sowing can reach 20%-40%, or even higher!

5. Improve resistance: It can significantly improve the cold and drought resistance of wheat, so that it can grow well in bad weather environments.

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Wheat seed dressing function 1, reduce the loss caused by wheat insect pests Wheat insect pests can be divided into underground insect pests and aboveground insect pests, such as mole crickets, golden needle travel hand worms, grubs, aphids, sucking insects, wheat spiders, etc. The occurrence of these pests is serious, which will cause the lack of seedlings and broken ridges at the wheat seedling stage, form weak seedlings and small seedlings, affect the formation of strong seedlings before winter, and thus affect tillering; It is very easy to cause wheat to not grow normally and fill grain, which has direct damage to the yield formation! Wheat seed dressing generally contains insecticides, which can avoid underground pests and prevent the occurrence of above-ground pests in a large area, which plays a key role in wheat.

2. Reduce the loss caused by wheat disease China's cultivated land area is small, and the multiple cropping index of the land is very high, therefore, there are many pathogens in the soil, and it is easy to harm the growth of crops when encountering suitable conditions, and the impact on yield should not be underestimated. Wheat diseases mainly include: sheath blight, total erosion, root rot, stalk smut, scattered smut and fishy smut.

Some of these diseases harm the base of the stem, resulting in poor nutrient supply of plants and easy to cause plant death; Some harm the panicle, directly affect the formation of the panicle grain, these diseases occur seriously, and it is very easy to make and dismantle the possibility of reducing the yield or even extinction. 4. The effect of wheat dressing before sowing can reach 20%-40%, or even higher! 5. Increase crack banquet resistance

It can significantly improve the cold and drought resistance of wheat, so that it can grow well in bad weather environments.

It is good to choose the dosage form of seed coating.

1. At present, there are many dosage forms, but wheat dressing should first suspend the dosage form of seed coating.

2. Because the suspension seed coating can be better and uniformly adhered to the seed surface than other agents, and because of the different processing technology, the suspension seed coating usually contains warning colors.

3. It is not only convenient to judge whether the seeds and the agent are mixed evenly, but also to prevent poisoning caused by accidental ingestion, and can also avoid the impact of pesticide damage caused by uneven mixing.