Compound bactericide and preparation method thereof
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A technology for compounding fungicides and carbendazim, which is applied in the directions of fungicides, botanical equipment and methods, biocides, etc., can solve the problems of short validity period, complicated operation, poor effect, etc., and achieves many sites and simple preparation process. , The effect of broad spectrum of disease prevention
Inactive Publication Date: 2015-04-29
HEBEI AGRICULTURAL UNIV.
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[0007] The object of the present invention is to provide a compound fungicide and its preparation method, aiming to solve the problems of poor effect, complicated operation and short validity period of the existing medicaments for preventing and treating rot
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preparation example Construction
[0033] Such as figure 1 Shown, the preparation method of the compound fungicide of the embodiment of the present invention comprises the following steps:
[0034] S101: Put 2.7g of carbendazim and 0.3g of tebuconazole into a mixing tank, add 10.20-10.70g of emulsifier Op10 and stir to dissolve, then let stand and mix evenly;
[0035] S102: Use a small beaker to weigh 0.002g of gibberellin, add 4.3±0.5g of alcohol to dissolve it, put it into a mixing tank and stir evenly, and fill up with 100g of latex paint.
[0036] The application effect of the present invention is further described by following tests:
[0037] 1. Materials and methods
[0038] 1 test material
[0039] 1.1 bacterial strain, test pathogenic bacterium Valsa ceratosperma is separated and preserved by the laboratory;
[0040] 1.1.1 Chemical agents, triazole fungicide 97% tebuconazole original drug; benzimidazole fungicide 98% carbendazim original drug;
[0087] First, accurately weigh the ingredients of the above formula, put carbendazim and tebuconazole into a mixing tank, add an appropriate amount of emulsifier Op10 to fully stir and dissolve, then accurately weigh gibberellin in a small beaker, add an appropriate amount of alcohol to dissolve and put Put it into a mixing tank and stir evenly, and fill up the latex paint to 100g.
Embodiment 2
[0088] Embodiment 2 smear (ointment)
[0089] Carbendazim: 4.5%, Tebuconazole: 0.5%, Emulsifier Op10: 15.94%-16.50%, Gibberellin GA: 0.002%, Alcohol (4.3±0.5)% latex paint to 100g. See Example 1 for the preparation process.
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Abstract
The invention discloses a compound bactericide and a preparation method thereof. The compound bactericide disclosed by the invention is composed of an active component, a filling material and an assistant agent, wherein the active component is composed of triazole bactericide tebuconazole and benzimidazole bactericide carbendazim; and the compound bactericide is capable of effectively preventing and treating branch fungal diseases, such as valsa ceratosperma and macrophoma kawatsukai. The compound bactericide disclosed by the invention has the obvious synergistic effect of preventing and treating valsa ceratosperma fungal diseases; the removing effect of X% of DW paste is up to 100% within 120 days; the effect is obviously higher than that of single preparation; the compound bactericide has good fast-acting property and good durable effect and more action mechanisms and acting sites, and is capable of effectively delaying generation and development of drug resistance of pathogenic bacteria; and in addition, the compound bactericide disclosed by the invention adopts a simple preparation process, and is low in cost, obvious in economic benefit, wide in disease prevention spectrum and high in biological safety.
Description
technical field [0001] The invention belongs to the technical field of fruit tree planting, and in particular relates to a compound fungicide and a preparation method thereof. Background technique [0002] Apple tree rot is caused by the genus Valsa ceratosperma, and it is a widely distributed and serious disease on apples. Since the first discovery of apple tree rot in my country, there have been four major epidemics in China (Zeng Shimai. Macrophytopathology. Beijing: China Agricultural Press, 2005). In 2007, the national apple industry technology system was established, which created conditions for the investigation and prevention and control of apple diseases and insect pests nationwide. The survey results in 2008 showed that the average incidence rate of apple rot disease in major apple producing provinces in the country was 52.7%. It can be seen that the occurrence of rot disease is very common and serious. [0003] Chemical control is one of the effective measures t...
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