Recently, have farmer reaction, red spider is hit not dead, a lot of pesticide results are bad, small today the drug of specially good effect that makes up everybody to introduce red spider of a prevention and cure- - ester of fourth fluorine mite.
One, brief introduction of ester of fourth fluorine mite
Ester of fourth fluorine mite is a kind of when by chemistry of Japanese big grave the company develops new-style acyl base second nitrile kind acaricide, do not have with existing insecticide fight a gender interactively. The egg to foliaceous mite and into mite all effective, taller to be like the active of mite. According to experiment contrast, ester of fourth fluorine mite in every respect the effect all ester of excel snail mite and A Weijun element.
2, main characteristic
Ester of fourth fluorine mite grows individually to red plant level all has very tall active, be opposite especially the active of young mite is taller. This drug is killed with touching give priority to, quick result sex is good, day of the 3-5 after gush medicine, to becoming mite, if mite has namely,exterminate action very well, also have better inhibition to mite egg. Although be below microtherm, also have very good below, also have effect of very good prevention and cure, recommending dosage and use normally below, hold effect period to be able to amount to 30-40 day.
3, object of prevention and cure
Ester of fourth fluorine mite basically is used at red spider of orange of prevention and cure. Mix to two-spotted spider mite and mite of tumour skin red spider, red autumnal leaves mite of completely ungual leaf is effective also. Reach the disease such as rice blast, powdery mildew, downy mildew to the pest such as aphid of plant hopper of noctuid of cole moth, twill, striped rice borer, paddy, peach Yi Youliang is good action of prevention and cure.
4, use method
Red spider of orange of prevention and cure, can use agent of in suspension of ester of mite of 20% fourth fluorine 2000 times fluid, even sparge, after medicine 40 days, still amount to 100 ％ to the effect of prevention and cure of orange red spider.
Special remind: Grow in seasonal, ester of fourth fluorine mite uses a frequency not to exceed twice, produce resistance to the action of a drug with avoiding to kill mite. With A Weijun element answer deserves to do not have synergism, accordingly, the other drug such as proposal and element of A dimension bacterium is used alternately.
