Acaricide composition containing pyraclostrobin and spirocyclic tetronic acid pesticide
A technology of spirotetraketone and composition, which is applied in the field of acaricidal composition, and can solve the problems of pest resistance and poor control effect
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Embodiment 1
[0049] Example 1, the combined synergistic effect of pyrafencarb and spirodiclofen composition on Tetranychus cinnabarinus
[0050] Table 1. Compositions of pyraprofen and spirodiclofen against Tetranychus cinnabarinus
[0051] (Tetranychus Cinnabarinus) Joint Synergy
[0052]
[0053]
Embodiment 2
[0054] Example 2, the combined synergistic effect of the pyrafencarb and spiromethin composition on Tetranychus cinnabarinus
[0055] Table 2. Compositions of pyrafefenacil and spiromethifen have effects on Tetranychus cinnabarinus
[0056] (Tetranychus Cinnabarinus) Joint Synergy
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[0058]
[0059] It can be seen from Table 1-2 that when the mass ratio of pyrafenfenil and spirotetratonic acid pesticides (spirofen and spiromethen) is 50:1 to 1:50, the co-toxicity coefficients are greater than 120, showed synergistic effect on Tetranychus cinnabarinus. It is reasonable and feasible to mix pyrofenpyr and spirotetronic acid pesticides.
[0060] 2. The preventive effect of the dosage form
Embodiment 3、40
[0061] Example 3, 40% Fenfenpyr-Spirofen Suspension Concentrate
[0062] 20% of pyraclofenac, 20% of spirodiclofen, 4% of sodium naphthalenesulfonate formaldehyde condensate, 2% of fatty alcohol polyoxyethylene ether, 0.15% of xanthan gum, 0.3% of silicone defoamer, 5% of propylene glycol %The balance is the formula of deionized water. Mix all components evenly, then add them to a sand mill and grind them to a certain particle size, and mix them with high shear to prepare 40% fenfencarb-spirofen-suspended agent.
[0063] The prepared 40% pyrafencarb-spirofen suspension concentrate was applied to control citrus spider mite. The test site is Beilun District, Ningbo City, Zhejiang Province. 40% difenfenapyr-spirofen-suspension concentrate at the dose of 80 mg / kg active ingredient, the control effects on citrus spider mite were 95.7%, 97.6% and 95.8% at 3 days, 14 days and 30 days after treatment . The control effect of 20% pyrafenapyr suspension concentrate on citrus spider m...
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