What medicine is used for wheat seed dressing, and what medicine is good for wheat seed mixing?

For every 100 kg of wheat seeds, you can use 100 130 ml of 40% phosphine EC and add an appropriate amount of water to mix seeds, mix well and stuff for 4 6 hours, dry and sow seeds. According to Wu Renhai et al., Henan Academy of Agricultural Sciences, the plant protection institute of Henan Academy of Agricultural Sciences reported that phosphine seed dressing has an inhibitory effect on the growth of wheat seedlings, accompanied by leaf twisting, leaf tip yellowing necrosis, weak seedlings and other abnormal growth conditions, and its 6-day inhibition medium concentration is gram kg. Growth inhibition and growth deformity can affect the soil topping capacity of wheat seedlings, which can lead to the decline of wheat emergence rate in the field as well as the decrease of germination rate.

Field experiments showed that the dose of phoxanthion seed dressing was gram kg when the inhibition of wheat seedling emergence reached 15%. When using phosphine and its mixture to control underground pests, it is necessary to strictly control the dosage of seed dressing, and the dosage can not be increased at will, otherwise it will not only fail to protect the seedling, but also reduce the seedling emergence rate and cause losses.

Thiofuramide. Wheat should not be used for seed dressing.

Thiofur cumchamide is an organic compound. It belongs to thiazole.

Amide bactericides have strong systemic conductivity and long-lasting effect. Thiofuramide is active against pathogenic fungi such as Rhizoctonia, Rust spp., Smut spp., S. nigra, S. nigra, S. sclerotinia spp., especially for diseases caused by basidiomycetes fungi such as sheath blight and standing blight.

Thiofuramide is a succinic acid.

Ester dehydrogenase inhibitor to inhibit the pathogen tricarboxylic acid cycle.

succinate dehydrogenase, which causes the bacteria to die. It has strong systemic conductivity and can be applied in foliar spray, seed treatment, soil treatment, etc.

Applicable crops. Thioframide has a good control effect on many fungal diseases, and can be widely used in rice, wheat, peanuts, cotton, beet, coffee, potatoes, lawns and other crops. In production, it is mainly used to prevent and control sheath blight of rice and wheat.

Use technology. Thiofuramide is suitable for a variety of application methods such as foliar spraying, unburned eggplant at the seed and soil treatment, and foliar spray is mostly used in the prevention and control of sheath blight. Booting period and before is the key period for the prevention and control of sheath blight, generally use 240 grams of suspension 20 to 25 ml per 667 square meters, spray 30 to 45 liters of water, spraying should be uniform and thoughtful.

To prevent and control rice sheath blight, due to its long effective period, only need to apply the pesticide once in the whole growth period of rice, that is, 30 days before rice heading, 15 to 25 ml of 24% suspension agent per mu, and spray 50 to 60 kg of water.

Precautions. 1. It has good systemic properties, which is easy to absorb through the roots or plant surface and conduct in the plant;

3. The treated stems and leaves are healthy and green, which provides conditions for increasing yield;

4. It does not contain organic solvents, it is very safe for crops, and it can also be used in the flowering period of rice booting under the appropriate amount;

5. Strong rain resistance, and rainfall 1 hour after application will not affect the efficacy.

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.

Imidacloprid for wheat dressing.

Imidacloprid is a chloronicotinoid insecticide, with strong systemic and high activity, which has special effects on some Coleopteran pests such as stabbing and sucking mouthparts pests and grubs, and can also prevent viral diseases, and is highly safe for the environment. Imidacloprid can control not only wheat aphids, but also wheat powdery mildew and fungal diseases such as rust.

Imidacloprid must be used with a content of 60% imidacloprid suspension seed coating agent in order to achieve better control of aphids, mole crickets and grubs. Before wheat sowing, 10 to 15 kg of wheat seeds per mu, 60% imidacloprid suspension seed coating agent and 6% tebuconazole suspension seed coating agent, add 100 ml of water, stir evenly, evenly wrap the seed coating agent on the seed surface with a seed dresser, dry and sow the seeds.

Wheat cultivation techniques

Wheat planting first deep ploughing the land to eliminate stubble, rotary tiller leveling after herbicide, top dressing, manual sowing or mechanical live broadcast of wheat, and then rotary tillage suppression, ditching and ridge. Generally, the seedlings will emerge 7 to 10 days after sowing, and if the seedlings do not emerge in a week, irrigate them in time.

After the emergence of wheat, the temperature in the south is still about 20, at this time the weeds are overgrown, and the wheat competes for nutrients, so it is necessary to timely chemical weeding, after herbicides, top nitrogen fertilizer. The wheat in the north is watered in winter, suppressed and topdressed. In winter, it is necessary to clear the ditch and drain the water, control aphids and red spiders once, and if the temperature is warm, the soil is moist and the root rot should be controlled once.