Early autumn vegetable pest control
In early autumn, the growth of the Chinese wolfberry is positive in summer and autumn, and various pests and diseases are intertwined. This has a great impact on the high quality and high yield of rapeseed meal. The growth period of Chinese cabbage is short and the use of pesticides is more stringent. It is necessary to choose high-efficiency, low-residue pesticides. The application time must be controlled at budding stage. The main pest control medicine technology: Prevention and treatment of major diseases Prevention of early autumn Chinese cabbage Anthracnose, downy mildew, soft rot, currently having good results and can be used 7 days before harvest: 1) 72% of the dew used per mu in the early onset of downy mildew Zinc) 700 times liquid 50 kg spray, once every 7 days, 2 times in succession; 2 Early onset of anthrax with 80% anthrax 500 times per acre or 75% thiophanate-methyl 600 times 50 kg spray, every 7 1 day, 2 consecutive times; 3 soft rot disease at the beginning of the disease with 72% of streptomycin 3000 times per mu, or 77% can kill 600 times liquid 50 kg spray, once every 7 days, 2 consecutive times. The main pest control and prevention of early autumn vegetable pests should generally be applied at the initial stage of damage. 1 Plutella xylostella was sprayed with 1.8% Arnoldin (or 1.8% Fordin, 1.8% Harmicide) and 3000 kg of liquid per acre for 50 kg; 2 Bacillus thuringiensis was sprayed with 500 kg of Bacillus thuringiensis (BT) 50 kg per acre; 3 Aphids were sprayed with 50% anti-influx 2000 times liquid 50 kg per acre; 4 nocturnal larvae treated both cabbage caterpillars and aphids, killing 3000 to 6000 times per acre with 20% speed, or 2.5% cyhalothrin 2000 Double liquid 50 kg spray; 5 beetle and cure Spodoptera exigua larvae, aphids, per mu with 2.5% enemy killed 1500 times, or high-performance cypermethrin 4000 times 50 kg spray. Note that pesticides should be used alternately during the growth period of the vegetable larvae. Each pesticide should be used at most once, and the use of drugs should be stopped more than 15 days before harvesting. RP International Ltd is top Carrageenan Supplier and Manufacturer in China. Carrageenan Thickener,Food Thickener Carrageenan,Carrageenan Food Grade,Thickener Stabilizer Carrageenan RP International Ltd , http://www.rp-foodadditives.com
Carrageenans or carrageenins are a family of linear sulfated polysaccharides that are extracted from red edible seaweeds. They are widely used in the food industry, for their gelling, thickening, and stabilizing properties. Their main application is in dairy and meat products, due to their strong binding to food proteins. There are three main varieties of carrageenan, which differ in their degree of sulphation. Kappa-carrageenan has one sulphate group per disaccharide, Iota-carrageenan has two, and Lambda-carrageenan has three.
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