阅读说明：本技术 含氟硅唑、复硝酚钠纳米乳及其配制方法 (Nano-emulsion containing flusilazole and compound sodium nitrophenolate and preparation method thereof ) 是由 单文荣 宋禾果 王毅 于 2020-08-06 设计创作，主要内容包括：本发明提供了一种含氟硅唑、复硝酚钠纳米乳,包括氟硅唑1wt％～8wt％,复硝酚钠1wt％～2wt％,溶剂15wt％～40wt％,乳化剂15wt％～30wt％,抗冻剂1wt％～7wt％,水余量。制剂有助于棉苗生长,同时对棉苗立枯病的防效在98％以上,具有对棉花黄萎病病菌菌丝生长的抑制、产孢量的抑制和病菌孢子萌发抑制作用,增产作用显著。并且本发明的含氟硅唑、复硝酚钠纳米乳制备简单,能够大批量的生产和应用,大幅提高产量。(The invention provides a fluorine-containing silazole and compound sodium nitrophenolate nanoemulsion, which comprises 1-8 wt% of flusilazole, 1-2 wt% of compound sodium nitrophenolate, 15-40 wt% of solvent, 15-30 wt% of emulsifier, 1-7 wt% of antifreeze agent and the balance of water. The preparation is beneficial to the growth of cotton seedlings, has the effect of preventing the seedling blight of the cotton seedlings of more than 98 percent, has the effects of inhibiting the growth of cotton verticillium wilt pathogen hyphae, inhibiting the spore yield and inhibiting the germination of pathogen spores, and has obvious yield increase effect. The fluorine-containing silazole and compound sodium nitrophenolate nanoemulsion is simple to prepare, can be produced and applied in large batch, and greatly improves the yield.)

1. A fluorine-containing silazole and compound sodium nitrophenolate nanoemulsion comprises 1-8 wt% of flusilazole, 1-2 wt% of compound sodium nitrophenolate, 15-40 wt% of a solvent, 15-30 wt% of an emulsifier, 1-7 wt% of an antifreeze agent and the balance of water.

2. The fluorosilicone-containing and sodium nitrophenolate nanoemulsion of claim 1, wherein: the solvent is polyethylene glycol.

3. The fluorosilicone-containing and sodium nitrophenolate nanoemulsion of claim 1, wherein: the emulsifier is a mixed solution of calcium dodecyl benzene sulfonate and tristyrylphenol polyoxyethylene ether.

4. The fluorosilicone-containing and sodium nitrophenolate nanoemulsion of claim 1, wherein: the antifreeze agent is hexanediol.

5. The fluorosilicone-containing and sodium nitrophenolate nanoemulsion of claim 3, wherein: the emulsifier is the mixture of calcium dodecyl benzene sulfonate and tristyrylphenol polyoxyethylene ether according to the proportion of 1: 1.5.

6. A method for preparing the flusilazole-containing and sodium nitrophenolate nanoemulsion of claim 1, comprising the following steps:

(1) dissolving flusilazole in polyethylene glycol;

(2) mixing the solution obtained in the step (1) with an emulsifier, and fully stirring to form a uniform oil phase;

(3) and (3) under the condition of stirring, adding water into the oil phase obtained in the step (2), adding the compound sodium nitrophenolate and the anti-freezing agent at the same time, and freely dispersing to obtain the homogeneous and transparent fluorine-containing silazole and compound sodium nitrophenolate nanoemulsion.

7. The method for preparing the fluorine-containing silazole and compound sodium nitrophenolate nanoemulsion according to claim 6, wherein the method comprises the following steps: the emulsifier is the mixture of calcium dodecyl benzene sulfonate and tristyrylphenol polyoxyethylene ether according to the proportion of 1: 1.5.

8. The method for preparing the fluorine-containing silazole and compound sodium nitrophenolate nanoemulsion according to claim 6, wherein the method comprises the following steps: the antifreeze agent is hexanediol.

Technical Field

The invention belongs to the field of plant protection, and particularly relates to a bactericide composition, in particular to a flusilazole-containing and compound sodium nitrophenolate nanoemulsion and a preparation method thereof.

Background

Cotton is an important economic crop in China, and various diseases such as cotton wilt, cotton verticillium wilt, cotton anthracnose and the like frequently occur in the whole growing process of the cotton. The development of cotton planting industry is always troubled by diseases of cotton for many years, and particularly the rapid spread and development of cotton wilt in recent years have great influence on the yield and quality of cotton. At present, various medicines for preventing and treating cotton diseases are available on the market, but the combination of flusilazole and compound sodium nitrophenolate for preventing and treating the cotton diseases is not reported yet.

Disclosure of Invention

Aiming at the technical problems, the invention provides a nanoemulsion containing flusilazole and compound sodium nitrophenolate and a preparation method thereof, wherein the nanoemulsion has a better sterilization effect. The specific technical scheme is as follows:

the invention provides a fluorine-containing silazole and compound sodium nitrophenolate nanoemulsion, which comprises 1-8 wt% of flusilazole, 1-2 wt% of compound sodium nitrophenolate, 15-40 wt% of solvent, 15-30 wt% of emulsifier, 1-7 wt% of antifreeze and the balance of water.

Preferably, the solvent is polyethylene glycol.

Preferably, the emulsifier is a mixed solution of calcium dodecylbenzene sulfonate and tristyrylphenol polyoxyethylene ether.

Preferably, the antifreeze agent is hexanediol.

Preferably, the emulsifier is calcium dodecylbenzene sulfonate and tristyrylphenol polyoxyethylene ether which are mixed according to the proportion of 1: 1.5.

A preparation method of the nano-emulsion containing flusilazole and compound sodium nitrophenolate comprises the following steps:

(1) dissolving flusilazole in polyethylene glycol;

(2) mixing the solution obtained in the step (1) with an emulsifier, and fully stirring to form a uniform oil phase;

(3) and (3) under the condition of stirring, adding water into the oil phase obtained in the step (2), adding the compound sodium nitrophenolate and the anti-freezing agent at the same time, and freely dispersing to obtain the homogeneous and transparent fluorine-containing silazole and compound sodium nitrophenolate nanoemulsion.

Preferably, the emulsifier is calcium dodecylbenzene sulfonate and tristyrylphenol polyoxyethylene ether which are mixed according to the proportion of 1: 1.5.

Preferably, the antifreeze agent is hexanediol.

The invention provides the nano-emulsion containing flusilazole and compound sodium nitrophenolate and the preparation method thereof, the preparation is favorable for cotton seedling growth, the prevention effect on cotton seedling damping-off is more than 98%, and the nano-emulsion has the effects of inhibiting the growth of cotton verticillium wilt pathogen hyphae, inhibiting the spore yield and inhibiting the germination of pathogen spores and has obvious yield increase effect. The fluorine-containing silazole and compound sodium nitrophenolate nanoemulsion is simple to prepare, can be produced and applied in large batch, and greatly improves the yield.

Detailed Description

The preparation method of the fluorine-containing silazole and compound sodium nitrophenolate nanoemulsion comprises the following steps: