苏云金芽孢杆菌

Bacillus thuringiensis Bacillus thuringiensis (B.t.) is a naturally-occurring soil bacterium that resolves into poisonous proteins in pest¡¯s alkaline midgut, corrode its intestines wall cell organize, destroy intestines membrane, and enter the lymphoid tissue of blood, at last, the pests die of hunger or appear septicaemia. B.t. is considered ideal for pest control because of its high effect, safty and no residue, with significant control effect on more than 30 kinds of pests in the agricultural, woods, fruit tree and scale wing eye pests of ornamental plant. Especially ideal to non-pollution vegetable plant, afforestation area, the natural forest reserve and the manufacture base of the high quality grain and cotton. Long time used, it can not only make good economic benefits and social benefits, but also can make good ecological benefits. Btk insecticide is most widely used microbial pesticide in the world. It is very safe to natural enemies of insect pests, human and domestic fowl. It does not cause pollution and show good effects on more than twenty species of pest (such as cotton bollworm, cabbage looper, diamondback moth, corn borer, rice stem borer, rice leaf roller, pine caterpillar, and geometrides, etc.). It also shows good control effects on pests that have developed high resistance to chemicals. Especially, it suits for vegetable plantation, horticulture, natural reserve parks, and high quality food and cotton production base. (1) 60000IU/mg (2) 50000IU/mg (3)32000IU/mg Guideline for application: Crop Insect Application dosages(g/ha)Indications Tea Tea caterpillar 800-1,600X diluted Spray at early instar of larvae Brassicae Vegetable Cabbage looper 375-750 Spray at early instar of larvae Diamondback moth 750-1,125 Spray at early instar of larvae Cotton Cotton bollworm 900-1500 Spray at oviposipion peak of moth Rice Rice leafroller, rice stem borer 1,000-1500 Spray at 2nd instar of larvae Corn Corn borer 750-1,000 Mix with sand, and add in the trumpet mouth of corn Tobacco Tobacco budworm 750-1,500 spray Jujube Geometrides 1,200-1,600 spray Forest Pine caterpillar 1,200-1,600 Spray, at 3rd instar of larvae American white moth 1,200-1,600 Spray, at 3rd instar of larvae Cautions: 1. Forbid using in mulberry garden. 2. Spray at early instar of larvae. 3. Spray at dawn in fine days or anytime in cloudy days. 4. Forbid using by mixing with fungicide.