Pesticide composition containing tofenpyrad and flufenazin
A technology of pesticide composition and pyrenpyrrole, which is applied in the field of pesticide composition and its application, can solve the problems of excessive pesticide residues, unfavorable sustainable development of agriculture, polluting environment, farmers' drug costs, etc., so as to reduce pollution, improve control effect, The effect of reducing usage
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Embodiment 1
[0020] Example 1: 28% Fenpyramid · Flufenazine Suspension Concentrate.
[0021] Fenpyran 10%, Flufenazine 18%, Sodium Alkyl Sulfonate 4%, Polyethylene Glycol Stearate 5%, White Carbon Black 3%, Ethylene Glycol 3%, Silicone 3%, Methanol 3% %, deionized water makes up 100%. Mix the above active ingredients, dispersant, wetting agent, thickener, antifreeze, defoamer and deionized water, disperse with high speed shearing, and sand mill in a sand mill to form a highly dispersed and stable Suspension system can be used to prepare 28% Fenpyramid · Flufenazine suspension concentrate.
Embodiment 2
[0022] Example 2: Indoor biological activity assay.
[0023] 1. Indoor joint toxicity test of tolfenpyrad, flufenazine and their combination against citrus psyllid.
[0024] Test insects: the third instar nymphs of citrus psyllids collected in the field and bred indoors.
[0025] The test agents: tofenpyrad, flufenazine.
[0026] Test method: Determination is carried out by dipping method, the specific method is as follows.
[0027] Select 3 fresh citrus shoots, soak them in the test drug solution for 30 seconds, take them out to dry naturally, wrap the roots with wet absorbent cotton to keep moisture, wrap them with plastic wrap, and place them in glass test tubes (200mm×30mm). repetitions. Then insert the third instar nymphs of citrus psyllids lightly anesthetized with ether with a writing brush, 20 per tube, and tie the tube mouth tightly with white gauze. After processing, put it in the observation room.
[0028] The treatment of the corresponding organic solvent with...
Embodiment 3
[0051] Embodiment 3: field efficacy test.
[0052]The citrus psyllid was controlled by spraying with 28% Fenpyrad·flufenazine suspension concentrate (10% Fenpyridam: 18% Flufenazine). Before spraying, sample at 5 points on the diagonal in each plot, select 2 to 3 tea trees with citrus psyllid eggs and adults at each point (depending on the population density), count the number of citrus psyllids on the calibration plants, and use this As the base number of insect population before spraying. 3d, 7d, and 10d after treatment, the number of live insects of residual citrus psyllids was investigated respectively, and the number of live insects was recorded.
[0053] Use 28% Fenpyran·flufenazine suspension concentrate (10% Fenpyridam: 18% Flufenazine) to control citrus rust ticks, investigate the population base of insects before spraying, and investigate the residual live mites 10d, 15d, and 20d after spraying During the survey, 2 plants were checked in each plot, and 5 leaves wer...
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