Composite pesticide composition containing spirodiclofen and clothianidin and preparation thereof
A technology for spirodiclofen and clothianidin, which is applied in the field of compound pesticide compositions containing spirodiclofen, can solve problems such as reducing the application rate, and achieves reducing the application rate, reducing environmental pollution and pesticide residues, and reducing the use of drugs. burden effect
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example 1
[0047] Bioassay Example 1: Toxicity determination of spirodiclofen and pymetrozine compound on aphids and red spiders
[0048] Test subjects: Resistant aphids and spider mite
[0049] Test method: Refer to the indoor bioassay test guidelines for pesticides and pesticides "The People's Republic of China Agricultural Industry Standard NY / T1154.7-2006" and the creation of the SOP for the evaluation of biological activity of pesticides (pesticide volume), using the spray method. Select the third instar larvae with uniform growth, insert into a 9 cm petri dish with a diameter of 10 grams of fresh artificial feed, connect 10 per dish, and connect 5 dishes per treatment, spray under 50PSI pressure with a PottER spray tower, every Spray one dish at a time, each dish is sprayed with 1 ml of liquid medicine, and the blank control is sprayed with the same amount of water. Generally, 6 concentration gradients are set for each treatment. Put the treated petri dish into 25°C, 12H / 12H ligh...
Embodiment 1
[0063] Example 1: 51% spirodiclofen · pymetrozine wettable powder
[0064]
[0065] The active ingredients and various auxiliary agents are fully mixed according to the proportion of the formula, and after being pulverized by a superfine pulverizer, 51% spirodiclofen·pymetrozine wettable powder can be obtained.
[0066] Pymetrozine in this example can be replaced by thiamethoxam, nitenpyram, clothianidin, dinotefuran, spirotetramat or flonicamid, and a new example is formed according to the same method and formula ratio .
[0067]The 51% spirodiclofen-pymetrozine wettable powder prepared in Example 1 was applied to control cotton aphids and red spiders. Dilute and spray 51% spirodiclofen·pymetrozine wettable powder by 5000 times with water, and the control effects on aphids and spider mites are 81.8%, 94.7%, 91.8% and 85.4% on 1 day, 7 days and 15 days after application , 96.7%, 92.3%. 240g / L spirodiclofen suspending agent is 3000 times and 25% pymetrozine wettable powde...
Embodiment 2
[0068] Embodiment 2: 33% spirodiclofen·clothianidin suspension concentrate
[0069]
[0070] Mix the active ingredient, dispersant, wetting agent, antifreeze agent, thickener, defoamer and water according to the proportion of the formula, and grind it with a sand mill to obtain 33% spirodiclofen clothianidin suspending agent.
[0071] Clothianidin in this example can be replaced by pymetrozine, thiamethoxam, nitenpyram, dinotefuran, spirotetramat or flonicamid, and form a new example according to the same conditions and formula ratio .
[0072] The spirodiclofen·clothianidin suspension concentrate prepared in Example 2 is used to control wheat aphids and red spiders. 33% spirodiclofen·clothianidin suspension was diluted 3500 times with water and sprayed, and the control effects on aphids and red spiders were 95.2% and 97.5% 7 days and 15 days after the application. 240g / L spirodiclofen suspending agent was used at 3000 times and 70% clothianidin water dispersible granule...
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