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Flutriafol Preparation
Nov 01, 2017

Streptozotocin has a control effect on larvae of P. tabaci, Diptera, Octopus, Hymenoptera, Lepidoptera and Lepidoptera from 30 to 150 g (a.i.) / ha. For cabbage, citrus, cotton, grapes, nuts, potatoes, kernels, sorghum, soybeans, trees, tobacco, vegetables. It can inhibit the development of young insects, hinder peeling. A suspending agent (150 g / L) has no effect on many parasitic insects, predatory insects and spiders. This product can also be used to control the majority of young migratory birds.

Preparation or source

Anhydrous potassium fluoride and 2,3,4,5-tetrachloronitrobenzene in anhydrous dimethylformamide at 140 ° C for 15 hours to prepare 2,4-difluoro-3,5-dichloronitrate And then subjected to reduction reaction with iron powder at 95 to 100 ° C for 8 hours in acetic acid to obtain 2,4-difluoro-3,5-dichloroaniline. 2,6-difluorobenzamide was reacted with oxalyl chloride in toluene for 5 hours to give 2,6-difluorobenzoyl isocyanate, followed by treatment with the above-mentioned 2,4-difluoro-3,5-dichloro Aniline was reacted in toluene at room temperature for 15 hours to obtain a product.

Smectazol is a triazole fungicide, the disease has a protective and therapeutic effect on the powdery mildew spores have the role of eradication, spraying 5 to 10 days, the original formation of the lesion can disappear, the strong absorption, can be crops Roots, stems and leaves, the absorption capacity of the roots is greater than that of the stems and leaves, and the medicament entering the plant is transferred from the vascular bundle to the top of the leaves, but not in the phloem or transverse to the base. The product is 12.5%, 250 g / l suspending agent, 50% wettable powder. Smectazol is mainly used for the prevention and control of wheat diseases, spray or seed treatment.

(1) seed dressing against wheat smut, per 100 kg of seed with 12. 5% of the suspension 200 ~ 300 ml \ corn smut, per 100 kg of seed with 320 to 480 ml. Seed dressing, the first medicine into the pulp, the amount of pulp for the seed amount of 1.5%, mix well after sowing.

(2) spray in the rusty period, mu with 50% wettable powder 8 to 12 grams or 250 grams / liter of suspending agent 16 to 24 ml; powdery mildew, in the flag leaf sporadic onset to the disease rise, or the upper 3 Leaf disease

Smectazol is a broad spectrum of internal fungicide, the Basidiomycetes and Ascomycetes caused by a variety of diseases have a good protection and treatment, can effectively control wheat crop powdery mildew, rust, smut, corn Smut and so on.