Botanical fungicide synergistic agent, extracting technique and application thereof in agricultural fungicide
An extraction process and synergist technology, applied in fungicides, plant growth regulators, applications, etc., can solve problems such as environmental hazards, no reports of bactericidal synergists, and reduced drug efficacy, so as to alleviate environmental pollution, Good promotion and application prospects, enhance the effect of drug efficacy
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specific Embodiment
[0023] The specific embodiment of extraction process of the present invention is as follows:
[0024] ① Wash the peel of the citrus fruit, dry it, and crush it into 50-mesh particles;
[0025] ②Put 100g of crushed peel particles into the reaction kettle, add 200ml of mixed extract composed of ethanol and water, wherein the weight percentage of ethanol is 80%, stir and reflux at 50-80°C for 3h, apply ultrasonic waves during heating and reflux , sonicate once every 30min, each time ultrasonically oscillate for 10min, reflux ends and filter, and retain the filtrate;
[0026] ③ Add 100ml of mixed extract to the residue of step ②, repeat step ② to extract again, filter, and keep the filtrate;
[0027] ④ Replace the mixed extract in step ② with 50ml of water, extract the residue in step ③ again, filter, and keep the filtrate;
[0028] 5. all filtrates in the merging steps 2., 3., 4. are heated and distilled and concentrated to obtain the bactericidal synergist concentrated solutio...
Embodiment 1
[0032] The application of the extract of the present invention as a synergist in 5% difenoconazole microemulsion, the distribution ratio of each component is by weight:
[0033] Difenoconazole 5%
[0034] Phenylphenol polyoxyethylene polyoxypropylene ether 4%
[0035] Alkylphenol ethoxylates 4%
[0036] Calcium Alkylbenzene Sulfonate 2%
[0037] Cyclohexanone 10%
[0038] Concentrate of the present invention 5%
[0039] Citric acid 0.2%
[0040] water balance
[0041] The preparation process is as follows: dissolve difenoconazole with cyclohexanone, add phenylethylphenol polyoxyethylene polyoxypropylene ether, alkylphenol polyoxyethylene ether, calcium alkylbenzenesulfonate, and the concentrated solution of the present invention and stir Uniformly used as the oil phase, adding citric acid into water and stirring evenly as the water phase, slowly adding the water phase to the oil phase under stirring at 1000-2000r / min, and continuing to stir for 30min.
Embodiment 2
[0043] The application of the extract of the present invention as a synergist in 10% difenoconazole wettable powder, the distribution ratio of each component is by weight:
[0044] Difenoconazole 10%
[0045] Solid particles of the present invention 50%
[0046] Sodium Alkyl Sulfate 2%
[0047] Calcium lignosulfonate 4%
[0048] Pull apart powder 4%
[0049] Silica balance
[0050]The preparation process is as follows: uniformly mix the solid particles of the extract of the present invention with difenoconazole, sodium alkyl sulfate, calcium lignin sulfonate, pull-off powder and white carbon black, and then mix them after airflow crushing.
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