Pesticidal composition containing flupyradifurone and cartap
A technology of fluoropyranone and an insecticidal composition, applied in the field of pesticides, can solve the problems of threats to natural ecological diversity, blocking the chain of plant reproduction, aggravating the impact on the environment, etc., so as to achieve slow growth of resistance and improve insecticidal effect. , the effect of increasing safety
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Embodiment 1
[0025] Example 1: Determination of co-toxicity coefficient of flurpirfurone and cartap in different ratios to rice leaf roller
[0026] In order to confirm whether the mixture of flupyrfurone and cartap has synergistic effect, additive effect or antagonistic effect, we first conducted a formula screening study on flupyrfuranone and cartap, and determined the objects of indoor bioassays. It is the most serious damage to rice stem borer in my country. The specific measurement and results are as follows:
[0027] According to the data provided by the Pesticide Inspection of the Ministry of Agriculture of China, the recommended dose of flurpirfurone to control rice planthoppers is 5-7 grams of active ingredients / mu, and the recommended dose of cartap to control rice leaf rollers is 45-54 grams Active ingredients / mu, based on this, the ratio of the experimental design is 1:1, 1:2, 1:5, 1:10, 1:20, 1:30, 1:40, 1:50, a total of 8 In addition, two single-dose treatments of flurpirfuro...
Embodiment 2
[0040] Example 2: Determination of the co-toxicity coefficient of flurpirfurone and cartap in different ratios to rice planthoppers
[0041] In order to confirm whether the mixture of flurpirfurone and cartap has a synergistic, additive or antagonistic effect on sucking mouthparts pests, we used the above 8 formulas of flurpirfurone and cartap mixed , the indoor virulence assay of rice planthopper was carried out. The 3rd instar nymphs of rice planthoppers were selected, and the determination method was dipping method.
[0042] Put the test insects into the funnel folded with filter paper, take 3mL of the above liquid medicine into the funnel with a pipette gun, keep the test insects in the liquid medicine for 30 seconds, take them out and put them on the filter paper to absorb the excess liquid medicine , the test insects are transferred to glass insect culture tubes (diameter 1.8cm, height 8cm) and put into wet soil with an appropriate amount of water content (about 18%) an...
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