Pharmaceutical composition for killing liriomyza sativae
A composition and a technology for Liriomyza sativae are applied in the field of pharmaceutical compositions for killing Liriomyza sativae, which can solve the problems that the insecticidal effect is prone to appear drug-resistant pests, the resistance of pests and differences in drug resistance, etc. Sexuality, no environmental toxicity, good quick-acting effect
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Embodiment 1
[0023] This example provides a pharmaceutical composition for killing Liriomyza spp., including crane lice extract, morning glory seed extract, garlic extract, chrysoprosis extract, houttuynia cordata extract, anaconda snake bougainvillea extract, Notopterygium extract, nutmeg extract, green wood extract and osthole in the following quantities:
[0024]
[0025]
[0026] Its preparation method: decoct crane lice, morning glory, and garlic twice with water, each time for 2 hours, combine the decoction, add ethanol to filter and concentrate, add 3 times the amount of water, fully stir, refrigerate for 48 hours, filter, and the filtrate is decompressed Concentrate to a relative density of about 1.15, and prepare the medicinal liquid for later use; Add water for decoction twice, each time for 1 hour, combine the decoctions, filter, Concentrate the filtrate, let it cool, add ethanol to make the ethanol content 65%, let stand overnight, filter, concentrate the filtrate under r...
Embodiment 2
[0029] This example verifies the killing rate of the pharmaceutical composition against Liriomyza sativae compared with common insecticides on the market.
[0030] Select the common insecticides on the market: P. lilacinus water agent, nematicide, special root thread agent, and thiamethoxam insecticide.
[0031] Grouping according to different insecticides, each group prepares 1000 Liriomyza sativae in three stages of eggs, larvae and adults respectively, and then uses insecticides on Liriomyza sativae in each stage respectively, and tests each group of insecticides The killing rate of the agent is shown in the table below:
[0032] Table 1 The killing effect of insecticides on Liriomyza sativae
[0033]
[0034] It can be seen from the above table that each group of insecticides has the highest killing rate on the larval state of Liriomyza sativae, and this product has the best insecticidal effect, and the killing effect is remarkable, and it can kill even the most diffic...
Embodiment 3
[0036] This example verifies the killing rate of the pharmaceutical composition on various pests.
[0037] Select 10,000 scarabs, beetles, leafhoppers, borers, pear psyllids, scale insects, spinach moths, mole crickets, pods, and liriomyza, and group them respectively, and use the medicines prepared in Example 1 to make medicines of the same concentration. liquid, spray the pests of each group respectively, and after 1 hour, check the killing rate of various pests, the results are shown in the following table:
[0038] Table 2 The killing effect of the drug on various pests
[0039] group
[0040] As can be seen from the above table, the medicine prepared in Example 1 only has a good killing effect on Liriomyza sativae, and has a very limited killing effect on other pests. This proves that this product is highly targeted and can only Used for killing Liriomyza spp.
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