Furan control objects and methods of use

Carbofuran is a kind of insecticide , which can be used to control pests of rice, cotton, tobacco and other crops. For different crop types, the control objects and methods of use of carbofuran are as follows:

1. Application of carbofuran on rice

Control objects:

Rice blast, rice planthopper, rice locust, rice leaf mites, rice blast, rice leaf miner, rice water weevil, rice larvae.

Instructions:

1. Application in the root zone: Before sowing or transplanting, 2.5-3.0 kg of 3% carbofuran granules per acre, the residual effect period can reach 40-50 days. It can also be applied before sowing in late rice fields, especially for rice blast.

2, water surface application: 5.3% carbofuran granules per acre 1.5-2.0 kg, mixed with fine soil 15-20 kg mix well, evenly spread the water surface, keep shallow water, while treating the grasshopper. In order to increase the uniformity of spreading, the above-mentioned dosage of 3% carbofuran granules can be uniformly mixed with 10 times of semi-dry soil to prepare toxic soil, which can be uniformly applied to the water surface with the use. When the water retention is good, the effect period can be up to 30 days.

3, seeding ditch application: in the land-rice planting area, 3% furandan granules and rice seeds are simultaneously applied into the seeding ditch, the dosage per acre is 2.0-2.5 kg.

4, dry breeding rice: 7-10 days before transplanting, apply 3% furandan granules to Putian, use 7-10 kg per acre (Putian), that is, 10-15 grams per square meter of Putian, can control Honda The occurrence of rice leaf miner.

2. Application of carbofuran on cotton

Control object

Cotton aphid, cotton aphid, ground tiger and nematode

Instructions:

1. Seeding ditch application: When the cotton is planted, 1.5-2.0 kg of 3% carbofuran granules per acre is applied to the seeding ditch simultaneously with the seeds. It is both accurate and safe to use a powered seed drill with a dosing device.

2, root side chasing: generally use the ditch application or point application method for topdressing, ditch per mus with 3% carbofuran granules 2-3 kg, 10-15 cm from the cotton plant along the ridge ditch, Chemical raw material, depth of 5 -10 cm, covered with soil after application. It is advisable to apply 0.5-1.0 g of 3% granules per hole. If it can be watered after the application, the effect is better. Generally, the effect can be exerted after 4-5 days of application.

3, seed treatment: cotton seeds should first be desulfurized by sulfuric acid or foamed sulfuric acid, each kilogram of cotton seeds with 35% carbofuran seed treatment agent 28 ml with water mixed seed dressing.

3. Application of carbofuran in tobacco

Control object

Tobacco noctuidae, haze, tobacco root knot nematodes, and underground pests such as tobacco leaf miner, small tiger, and cockroach.

Seedling period application: 15-30 grams of 3% carbofuran granules per square meter, evenly applied to the surface of the seedling bed, then turned into the soil 8-10 cm, 1 week before transplanting the tobacco seedlings, need to apply again 1 time Apply to the soil surface, and then water to wash the active ingredients of carbofuran to the root area of the tobacco seedlings, which can protect the tobacco seedlings from pest damage early after transplanting.

Honda application: When transplanting tobacco seedlings, apply 1-3 carbofuran granules to 1-1.5 g in the transplanting hole.

Today, the introduction of carbofuran is here. To learn more about pesticides , please pay attention to China Pesticide Network.