Preparation And Application Technige Of 2% Tebuconazole WS

2%Tebuconazole WS is a rising seed treatment chemicals.In recent years, it has the common advantages of wettable powder and suspension,such as good wetting,film forming,rapid drying,gas permeability and very high retention rate.As special preparations for seed coating,WS has many advantages.Tebuconazole has excellent biological activity,low consumption, with strong absorption,the use of a wide area.And it can effectively prevent and control bacteria diseases caused by Erysiphe,Pucciniaceae, Rhynchosporium,Pyrenophora,Ustilago and shells needle spore.This paper is on the base of the current crop diseases research to determine effective components of the WSs Tebuconazole.Determine their composition and processing technology through technology research,and study on analysis method of ensuring active ingredients to go on determination of the activity and field medicinal properties test,then establish Applied Technology.The test results are followed:1.According to the preliminary study,determined the directions for2% Tebuconazole wetlands seed dressing agent.It contains that wetting agent sodium codicil sulfate is 1.5%,3%dispersant NNO,1%compound adhesive agent sodium carboxymethyl cellulose,0.2%xanthenes gum,1%gypsum powder,4%-5%styrene-acrylic emulsion,5%packing calcium peroxide,10% silica fine and 1.5%-2.0%warning colors rhodamine.2.In accordance with China's pesticide industry standards,and combining the preparations characteristics and the actual enterprises production, identified eight indicators of quality control,such as appearance,an active ingredient content,pH,water,screen out,wetting,foaming of durable,heat storage stability etc. 3.Sample dissolved in methanol,water and acetonitrile as mobile phase, and use of C18 column ultraviolet detector,we processed HPLC separation or determination to Tebucon- azole in the specimen.Formulate 2%Tebuconazole WS's effective component analysis methods.4.Field Indoor Trial on test samples of 2%Tebuconazole WS in the town of Taian City Nanyi,grinning Town,Taishan area,and other places,showed that 2%Tebuconazole WS has higher efficiency on Sphacelotheca smut,wheat powder smut,cotton wilt disease prevention.Tests showed that the preparation has the same effect of Control with 2%of Rickets show wet seed dressing promoted on the market.