Plant-source pesticide for watermelon production
A plant-derived pesticide and watermelon technology, which is applied in the field of plant-derived pesticides, can solve the problems of serious environmental pollution, potential safety hazards for humans and animals, and danger to human and animal safety, etc., and achieves the effects of environmental friendliness and significant control effects.
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Embodiment 1
[0021] A kind of botanical pesticide used for watermelon production of the present invention is made up of methanol, ethanol, petroleum ether and chloroform extract of following raw material, and described raw material comprises ginkgo biloba, neem, eupatorium bauhinia, cinnamon, ageratum, marigold, Cnidium, cumin, goat's flower, nepeta, calamus and lavender,
[0022] Each raw material extract is prepared through the following steps:
[0023] Step 1) Ginkgo biloba, neem, eupatorium bauhinia, cinnamon, ageratum, marigold, cnidium, fennel, saffron, nepeta, calamus and lavender are respectively crushed into powder, and put into the corresponding extraction in the container;
[0024] Step 2) Add methanol, ethanol, petroleum ether or chloroform aqueous solution with a volume ratio of 20%-85% to the extraction container of each material powder in step 1), soak for 60 hours, the soaking temperature is 65 ° C, filter to remove the solid, use The solvent is recovered by distillation ...
Embodiment 2
[0032] A kind of botanical pesticide used for watermelon production of the present invention is made up of methanol, ethanol, petroleum ether and chloroform extract of following raw material, and described raw material comprises ginkgo biloba, neem, eupatorium bauhinia, cinnamon, ageratum, marigold, Cnidium, cumin, goat's flower, nepeta, calamus and lavender,
[0033] Each raw material extract is prepared through the following steps:
[0034] Step 1) Ginkgo biloba, neem, eupatorium bauhinia, cinnamon, ageratum, marigold, cnidium, fennel, saffron, nepeta, calamus and lavender are respectively crushed into powder, and put into the corresponding extraction in the container;
[0035] Step 2) Add methanol, ethanol, petroleum ether or chloroform aqueous solution with a volume ratio of 20%-85% to the extraction container of each substance powder in step 1), soak for 72 hours, the soaking temperature is 75 ° C, filter to remove the solid, use The solvent was recovered by distillatio...
Embodiment 3
[0043] The present invention is a botanical pesticide for watermelon production, which consists of the following raw materials: methanol, ethanol, petroleum ether and chloroform extracts. Bedbug, cumin, goat's flower, nepeta, calamus and lavender,
[0044] Each raw material extract is prepared through the following steps:
[0045] Step 1) Ginkgo biloba, neem, eupatorium bauhinia, cinnamon, ageratum, marigold, cnidium, fennel, saffron, nepeta, calamus and lavender are respectively crushed into powder, and put into the corresponding extraction in the container;
[0046] Step 2) Add methanol, ethanol, petroleum ether or chloroform aqueous solution with a volume ratio of 85% to the extraction container of each substance powder in step 1), soak for 72 hours, the soaking temperature is 85 ° C, filter to remove the solid, and use vacuum distillation The solvent is recovered to obtain the liquid extracts of ginkgo biloba, neem, eupatorium bauhinia, cinnamon, ageratum, marigold, cnid...
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