Method for preparing insecticide with harlequin glorybower leaf and twig
A technology for the preparation of pesticides and a production method, which is applied in the field of biological pesticide production, can solve the problems of reduced nutritional value and indigestible protein, etc., and achieves the effects of easy decomposition, strong practicability, and increased yield
Inactive Publication Date: 2016-02-03
陶新田
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[0015] The following examples illustrate the present invention in detail.
[0016] First of all, prepare the stinky sycamore powder. The stinky sycamore contains a lot of water. The existence of water is unfavorable to the next step of extraction. ). Then use a pulverizer or a stone mill to pulverize, and the pulverization fineness can reach 50 meshes.
[0017] Get 1 part of stinky sycamore powder, reflux 1.5 hours in a water bath with 35 parts of 90% industrial alcohol, reclaim the filtrate alcohol after filtration, and reflux the residue with 15 parts of 80% industrial alcohol for 10 hours, then reclaim the filtrate after filtration , placed at 4°C for 13 hours to concentrate, weigh the weight and add water in a ratio of 1:2, freeze at -30°C, and freeze-dry to obtain concentrated powder of pine or camphor leaf extract; Starch and licorice powder are added, the ratio of the extract solution of the goat flower, the modified starch and the licorice powder is 7:3:3;
[0018] ...
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The invention provides a method for preparing an insecticide with harlequin glorybower leaf and twig. The method comprises the following steps: A: preparing a harlequin glorybower leaf and twig alcohol extract, firstly drying and grinding harlequin glorybower leaf and twig until the fineness is 50 meshes, taking 1 part of harlequin glorybower leaf and twig powder, carrying out reflux on the harlequin glorybower leaf and twig powder in a water bath for 1.5 hours by using 35 parts of 90% industrial alcohol, recycling the alcohol filtrate after filtration and carrying out reflux on the residues for 10 hours by using 15 parts of 80% industrial alcohol; B: then recycling the filtrate after filtration, placing the filtrate at 4 DEG C for 11 hours to be concentrated, adding water according to the weight ratio of 1 to 2, freezing at minus 30 DEG C and freeze-drying, thus obtaining harlequin glorybower leaf and twig extract concentrated powder; mixing the harlequin glorybower leaf and twig extract concentrated powder with modified starch and adding liquorice root powder, wherein the ratio of a Chinese azalea flower extracting solution to the modified starch to the liquorice root powder is 7 to 3 to 3; C: weighing 45% of concentrated powder according to weight percent; and taking 15% of tomatine, 10% of allethrin, 15% of clove oil and 15% of gossypol, thus preparing the insecticide. The method has the advantages and effects that the materials are easy to draw; and the product is nontoxic and odorless, does not have side effects, is easy to decompose, does not have any residual toxicity and does not pollute soil, water sources or surroundings.
Description
Technical field: [0001] The invention relates to the production of a biological pesticide, in particular to a production method of a biological pollution-free stinky phoenix insecticide. Background technique: [0002] In the evolution of nature, many plants have various resistance defenses against insects, such as nicotine produced by tobacco plants and clove oil (a toxic allyl isocyanate compound) produced by cruciferous plants, which are harmful to insects. Tissues can cause serious harm and are highly toxic to most insects; the leaves of Trifolium trifolium can produce cyanogenic glycosides and enzymes that can cause cyanogenic glycosides to release cyanide, which is very toxic; weeding The herbethrin produced by chrysanthemum has been widely used as non-polluting agricultural insecticides. These toxic substances will have a direct killing effect on feeding insects. The stems and leaves of Cucurbitaceae plants often contain a large amount of bitter tetracyclic triterpe...
Claims
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IPC IPC(8): A01N65/28A01N65/08A01P7/04A01N43/16A01N53/10A01N35/04
Inventor 陶新田
Owner 陶新田