Vegetable selection and use method of vegetable pests

Dear friends, everyone, the Century Pesticide Network Xiaobian has come to give you a general approach to the prevention and control of plant diseases and insect pests. Doing a good job in the prevention and control of pests and diseases is a very important part of the planting process and is of great significance for improving production. Let's take a look at it with Xiaobian!

First, the prevention and control of vegetable aphids.

Imidacloprid, recommended dose is 1-2 grams of active ingredient / acre; acetamiprid, recommended dosage is 0.45-0.6 grams of active ingredient / acre; pymetrozine, active ingredient 5 grams; pyrethrin, active ingredient 1.8 grams; bitter Alkali, the active ingredient is 0.4 g; chlorothiazide, the active ingredient is 2 g. Spray at the beginning of the locust.

Second, the prevention and control of vegetable tobacco powder.

Imidacloprid, the recommended dosage is 2 grams of active ingredient per mu; bifenthrin, the recommended dosage is 0.75 grams of active ingredient per mu. Spray application at the beginning of the season.

Acetamidine, active ingredient 2.5 g / mu (for example, 3% acetamiprid emulsifiable concentrate 83 ml / mu); thiamethoxam, active ingredient 4 g / mu (for example, 25% thiamethoxam water dispersible granules 16 g / mu) . Spray application at the nymphal initiation period.

Third, the prevention and control of beet armyworm.

Bipropiononitrile, the recommended dosage is 5g active ingredient/mu; furose hydrazide, the recommended dosage is 6g active ingredient/mu; indoxacarb, the recommended dosage is 2.4g active ingredient/mu; Ingredients 2.5-3.5 g / mu (for example, 5% hexaflumuron EC 50-70 ml / mu); chlorpyrifos active ingredient 20-24 g / mu (for example, 40% chlorpyrifos EC 50-60 ml / mu); methylamino The avermectin has an active ingredient of 0.3-0.5 g/mu (for example, 1% emamectin emulsifiable concentrate 30-40 ml/mu), and sprays 50 kg of water once. It is recommended to spray at the young age of beet armyworm (before the larva 2 years old).

Tebufenozide + chlorpyrifos, active ingredient 24 g (4 g of tebufenozide + 20 g of chlorpyrifos); flubendiamide, 3 g of active ingredient, at the beginning of the beet armyworm, most larvae are even below 2 years old spray.

Fourth, the prevention and control of diamondback moth.

Emamectin, the recommended dosage is 0.15-0.25 g active ingredient/mu; fipronil, the recommended dosage is 1-2 g active ingredient/mu; chlorfenapyr, the recommended dosage is 3.35-5 g effective Ingredients/mu; indoxacarb, recommended dosage is 3g active ingredient/mu; worm nitrile, active ingredient 5-6g/mu (eg 10% chlorfenapyr suspension 50-60g/mu), water 50 liters of spray once; flubendiamide, 3 grams of active ingredient. Sprayed on the larvae of the second instar larvae during the hatching period of Plutella xylostella.

Fifth, prevention and treatment.

The active ingredient of chlorpyrifos is 160g. It is diluted in water and evenly poured on the roots of leeks. The active ingredient of diazinon is 400g. It will be granules in the initial symptoms of leeks. Mix the soil, mix it and apply it, and pour the water after application to ensure the efficacy. 30 mg of the active ingredient of chlorfenapyr; 480 g of active ingredient of phoxim. When the symptoms of the leek are initial, dilute the water and evenly pour it on the roots of the leek.

Stevia sweeteners are derived from the leaves of the Stevia rebaudiana (Bertoni) plant, an herbal shrub native to South America. The Stevia Plant has been used for food and medicinal purposes for hundreds of years, and its leaves and crude extracts have been sold as dietary supplements. Purified extracts of the sweet substances found in the stevia leaf, called steviol glycosides, are considered to be generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA). However, whole stevia leaves and crude leaf extracts are not permitted to be sold as sweeteners in the U.S. because there is not enough toxicological information on these products, according to the FDA. Stevia sweeteners are made by extracting steviol glycosides from the leaves of the stevia plant and purifying them to remove some of the bitter attributes found in the crude extract.

Stevia

JINING USP INTERNATIONAL CO.,LTD. , https://www.uspintl.com