A kind of insecticidal and acaricidal synergistic composition and its application
A composition and active component technology, applied in the field of pesticides, can solve the problems of chemical residues, environmental pollution, etc., and achieve the effect of improving activity and high activity
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Embodiment 1
[0021] Example 1: Indoor joint toxicity determination test on Tetranychus cinnabarinus mixed with ethiprofen and dimpropyridaz
[0022] Test target: Tetranychus cinnabarinus (boisduval) adult mite, a sensitive strain of indoor breeding.
[0023] Preparation of medicinal solution: According to the needs of different experiments, the test samples were accurately weighed with an electronic analytical balance, the original drug was dissolved in acetone, and then diluted with 0.1% Tween 80 water to form a series of medicinal solutions with a certain concentration gradient according to the test design.
[0024] Test method: The spray method is used to measure the activity of Tetranychus cinnabarinus adults. Firstly, the adult mites of Tetranychus cinnabarinus of the same size were connected to the leaves of the bean seedlings in the first pair of true leaf flattening stage, and the number of bases was counted after the adult mites were stabilized; then sprayed evenly according to th...
Embodiment 2
[0035] Example 2: Indoor Joint Toxicity Test of Mixed Ethofenazole and Dimpropyridaz on Peach Aphid
[0036] Targets for testing: green peach aphid [Myzus persicae (Sulzer)], nymphs, sensitive strains raised indoors.
[0037] Preparation of medicinal solution: According to the needs of different experiments, the test samples were accurately weighed with an electronic analytical balance, the original drug was dissolved in acetone, and then diluted with 0.1% Tween 80 water to form a series of medicinal solutions with a certain concentration gradient according to the test design.
[0038] Test method: The spray method was used to measure the activity of peach aphid adults and nymphs. Firstly, select leaves of cabbage seedlings with neat and uniform green peach aphids, and each leaf can carry about 40 insects, and then spray evenly according to the order of the experimental design from low concentration to high concentration, 1.5mL per leaf, and repeat 3 times for each treatment ...
Embodiment 3
[0041] Example 3: Indoor joint toxicity determination test on Tetranychus cinnabarinus mixed with ethiprofen and acynonapyr
[0042] Test target: Tetranychus cinnabarinus (boisduval) adult mite, a sensitive strain of indoor breeding.
[0043] Preparation of medicinal solution: According to the needs of different experiments, the test samples were accurately weighed with an electronic analytical balance, the original drug was dissolved in acetone, and then diluted with 0.1% Tween 80 water to form a series of medicinal solutions with a certain concentration gradient according to the test design.
[0044]Test method: The spray method is used to measure the activity of Tetranychus cinnabarinus adults. Firstly, the adult mites of Tetranychus cinnabarinus of the same size were connected to the leaves of the bean seedlings in the first pair of true leaf flattening stage, and the number of bases was counted after the adult mites were stabilized; then sprayed evenly according to the or...
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