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Bactericide composition containing artemisia capillaris thunb extractive and propamocarb hydrochloride as well as application of bactericide composition

A technology of propamocarb hydrochloride and composition, which is applied in the field of fungicidal compositions containing Artemisia caprescens extract and propamocarb hydrochloride, can solve the problem of insufficient bactericidal activity, achieve good synergistic effect, delay The effect of drug resistance

Inactive Publication Date: 2015-03-11
陕西恒田生物农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In the field application in recent years, it has been found that the above two known fungicides have insufficient bactericidal activity during the application process, and at the same time, individual diseases have gradually developed drug resistance.

Method used

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  • Bactericide composition containing artemisia capillaris thunb extractive and propamocarb hydrochloride as well as application of bactericide composition
  • Bactericide composition containing artemisia capillaris thunb extractive and propamocarb hydrochloride as well as application of bactericide composition
  • Bactericide composition containing artemisia capillaris thunb extractive and propamocarb hydrochloride as well as application of bactericide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1. prepare water dispersible granule fungicide (1000 kilograms)

[0038] Preparation of Artemisia captiva extract:

[0039] 1) Remove impurities and roots from the aerial parts (whole plant, including stems, leaves, and seeds) of Artemisia capillaris harvested in winter, and dry them in the sun;

[0040] 2) Pulverize the dried Artemisia capillary with a pulverizer to more than 30 mesh;

[0041] 3) Put the pulverized Artemisia caprifolia into the reaction kettle, add 10 times the amount of 95% ethanol to percolate and soak overnight;

[0042] 4) Collect the leachate, filter, and concentrate the filtrate under reduced pressure at 60-65°C to a clear paste with a relative density of 1.10-1.15; then add 6-7 times the amount of water, and refrigerate at 0-4°C for 24 hours; then filter again, The filtrate was heated at 120°C for 1 hour, and refrigerated at 0°C to 4°C for 24 hours;

[0043] 5) Add 0.2% by weight of activated carbon, filter, and concentrate the fil...

Embodiment 2

[0046] Embodiment 2. prepares water agent bactericidal drug (1000 kilograms)

[0047] The main component propamocarb hydrochloride is 10%, that is 100 kg, and the Artemisia capillary extract is 10%, that is 100 kg. And contain following various auxiliary agents, emulsifier 500#10% is 100 kilograms; Benzoic acid 1% is 10 kilograms, sodium benzoate 0.5% is 5 kilograms. Add deionized water to the rest, that is 685 kg

[0048] Preparation process: add deionized water to the reaction kettle according to the recipe, add the measured propamocarb original drug into the reaction kettle, stir while adding, then add Artemisia capillary extract, while stirring constantly, add emulsifier in turn , benzoic acid, sodium benzoate, and stir. After fully dissolved, stop stirring, let it stand still, and wait for detection.

Embodiment 3

[0049] Embodiment 3. prepare water dispersible granule fungicide (1000 kilograms)

[0050] The main ingredient is 12% of the Artemisia annuus extract, which is 120 kilograms. The original medicine of propamocarb hydrochloride is 12%, that is, 120 kg. And contain the following various additives, dispersant NWO 8%, that is 80 kg; wetting agent 48965%, that is 50 kg; disintegrant sodium sulfate 15%, that is 150 kg; binder pyrrolidone 1%, that is 10 kg kg; carrier white carbon black is 50 kg, and the balance of carrier light calcium carbonate is 420 kg.

[0051] Preparation process is the same as embodiment 1

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Abstract

The invention relates to a bactericide composition containing an artemisia capillaris thunb extractive and propamocarb hydrochloride as well as application of the bactericide composition. The bactericide composition comprises active ingredients of the artemisia capillaris thunb extractive and propamocarb hydrochloride, wherein the weight ratio of the artemisia capillaris thunb extractive and propamocarb hydrochloride is 30:1 to 1:30. The invention further relates to a bactericide comprising the bactericide composition and pesticide acceptable carriers and additives. Furthermore, the invention further relates to application of the bactericide composition or the bactericide to prevent and control phytophthoya capsici leonian, phytophthora melonis or plasmopara viticola. Compared with the single dosage, the synergic coefficients of the artemisia capillaris thunb extractive and propamocarb hydrochloride after composition are both 130 above, so that the bactericide composition is good in synergic function; meanwhile, the bactericide composition can suspend the drug resistance of the single dosage well.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to the field of bactericides, in particular to a bactericidal composition containing Artemisia capillary extracts and propamocarb hydrochloride and applications thereof. technical background [0002] Artemisia capillaris: Artemisia capillarisThunb, Latin name: Herba Artemisiae Scopariae, aliases: Artemisia capillaris, Artemisia velvet, Ma Xian, mother-in-law Artemisia, wild blue artemisia. Medicinal part: whole plant; plant form: stem is cylindrical, multi-branched, 30-100cm long, 2-8mm in diameter; lavender or purple surface, with vertical stripes, pubescent; light, brittle, cross-section off-white. The leaves are dense, or often shed; the lower leaves are two to three times pinnatifid, the lobes are strip-shaped or thin, and both sides are densely covered with white pilose; the cauline leaves are one to two times pinnatisect, the base is clasping, and the lobes are filaments Shape; inf...

Claims

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Application Information

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IPC IPC(8): A01N65/12A01P3/00A01N47/12
Inventor 唐满仓马玉明叶龙江米哲
Owner 陕西恒田生物农业有限公司
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