阅读说明：本技术 防治水稻稻瘟病的复配农药及其使用方法 (Compound pesticide for preventing and treating rice blast and use method thereof ) 是由 周国庆 朱福新 王夕方 朱素芹 史志伟 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种防治水稻稻瘟病的复配农药及其使用方法。本发明的特点是：药剂当中同时含有乙蒜素和氨基寡糖素,所述乙蒜素为大蒜提取物,氨基寡糖素为贝壳提取物,两者的重量含量分别为50～75％、0.5～5％。该药剂能有效预防和治疗桑树发生疫病,对重病田可以通过灌根、或灌根加喷雾的方法来控制和治疗桑树疫病病情；对轻病田,则可以通过连续喷雾的方法来进行。由此,可以对土壤、水流和气流当中的细菌都能起作用,连续三年田间药效试验结果表明,采用本发明药剂及其使用方法,对桑树细菌性疫病防治效果达90％以上。(The invention discloses a compound pesticide for preventing and treating rice blast and a use method thereof. The invention is characterized in that: the medicament simultaneously contains ethylicin and amino-oligosaccharin, wherein the ethylicin is a garlic extract, the amino-oligosaccharin is a shell extract, and the weight contents of the ethylicin and the amino-oligosaccharin are respectively 50-75% and 0.5-5%. The agent can effectively prevent and treat the mulberry epidemic disease, and can control and treat the disease condition of the mulberry epidemic disease in a seriously ill field by root irrigation or a method of root irrigation and spraying; in the case of a slightly ill field, the spraying can be performed by a continuous spraying method. Therefore, the pesticide can play a role in bacteria in soil, water flow and air flow, and the continuous three-year field pesticide effect test result shows that the pesticide and the using method thereof have the effect of preventing and treating the mulberry bacterial blight of more than 90 percent.)

1. The compound pesticide for preventing and treating rice blast is characterized in that: the medicament simultaneously contains ethylicin and amino-oligosaccharin, wherein the ethylicin is a garlic extract, and the amino-oligosaccharin is a shell extract.

2. The compound pesticide for preventing and treating rice blast as claimed in claim 1, which is characterized in that: the medicament comprises the following components in percentage by weight

3. The compound pesticide for preventing and treating rice blast as claimed in claim 2, which is characterized in that: the medicament comprises the following components in percentage by weight

4. The compound pesticide for controlling rice blast as claimed in claim 2 or 3, wherein: the auxiliary agent is a mixture of phosphate and high-molecular polyether.

5. The use method of any compound pesticide of claims 1-4 is characterized in that: the agent is applied to mulberry by spraying, root irrigation, or both root irrigation and spraying.

Technical Field

The invention relates to disease control of mulberry, in particular to disease control of mulberry caused by bacteria, belonging to the technical field of pesticide production.

Background

Mulberry belongs to Moraceae, is deciduous arbor, and is feed for Bombyx mori, and folium Mori is egg-shaped. China is the earliest country for breeding mulberry silkworms in the world, the breeding mulberry silkworms are one of great contributions of Chinese nationalities to human civilization, the mulberry picking and silkworm breeding are common agricultural lives as early as the world, and the mulberry is planted in pieces in the spring, autumn and war country.

In the process of cultivation and growth of the mulberry, diseases and insect pests are easy to happen. The main diseases are: blight caused by virus, powdery mildew, brown spot (leaf rot) and red rust (yellow dog disease) caused by fungi, mulberry blight caused by bacteria, bacterial blight caused by weak parasitic bacteria, and mulberry root nematode disease, etc. The mulberry blight disease is also called bacterial disease, blight, bacterial wilt or head rot, generally occurs in high-temperature and high-humidity environments in 7 and 8 months, is fierce in coming and fast in onset, and belongs to destructive diseases of mulberry.

The mulberry blight is caused by bacterial parasitism of pseudomonas, pathogenic bacteria mainly damage tender leaves and terminal buds, oil stain-shaped tawny disease spots appear after the tender leaves are attacked, the disease spots are changed from small to large to form scattered polygonal disease spots, leaves are shrunk, turned yellow and shed, disease spots on veins and petioles are longitudinally split into black strip disease spots, and the terminal buds are usually blackened and died after being attacked.

In the prior art, the method for preventing and treating the mulberry epidemic disease mainly comprises the following steps: (1) spraying lime sulfur in spring for sterilization; (2) applying organic fertilizer, especially applying phosphorus-potassium fertilizer, and using soil chain antibiotic for preventing and treating; (3) cutting off diseased leaves of diseased branches, burning, and spraying 0.6-0.7% Bordeaux mixture; (4) when the disease condition is serious, the mulberry is dug out, and the soil is disinfected by formalin solution. It can be found that people have no good method for preventing and treating the mulberry epidemic disease, and the prior art has obvious defects: the increased application of organic fertilizer belongs to a measure of 'strengthening body', and at most, only 'prevention' but not 'treatment' can be realized; the soil chain antibiotic, the Bordeaux mixture or the formalin solution is adopted to kill bacteria in soil only, and has no effect on bacteria in air flow and water flow, and the bactericides are artificially synthesized chemical preparations and have certain negative effects on the ecological environment in the nature.

Due to the fact that bacterial blight of the mulberry is the main disease in mulberry planting in China, the occurrence of the bacterial blight becomes more serious particularly in middle and lower reaches of Yangtze river, and mulberry farmers reduce the yield of mulberry leaves by about 5-6 times due to the mulberry blight, so that loss is huge.

Disclosure of Invention

The invention aims to make up the defects of the prior art in the measure for preventing and treating the mulberry epidemic disease, thereby providing a medicament which has wide raw material source, convenient preparation and good effect of preventing and treating the mulberry epidemic disease, and providing a use method of the medicament.

The technical solution of the invention is as follows:

a compound pesticide for preventing and treating rice blast is characterized in that: the preparation contains ethylicin and amino-oligosaccharin; the ethylicin is garlic extract, and the amino-oligosaccharin is shell extract.

Preferably, the compound pesticide for preventing and treating rice blast is characterized in that: the medicament comprises (by weight percent) —

More preferably, the compound pesticide for preventing and treating rice blast is characterized in that: the medicament comprises (by weight percent) —

In the compound pesticide for preventing and treating rice blast, the auxiliary agent is a mixture of phosphate and high molecular polyether.

In addition, when the medicament is used for preventing and treating the mulberry epidemic disease, the medicament is preferably applied to the mulberry by adopting a spraying method, a root irrigation method or a method of root irrigation and spraying.

The outstanding technical effects of the invention are mainly reflected in that:

(1) the ethylicin adopted by the invention is garlic extract, and the amino-oligosaccharin is shell extract, so that the raw materials for preparing the medicament of the invention have wide sources, and have no negative influence on the ecological environment after being used. The ethylicin has strong antibacterial and bactericidal effects, and can effectively prevent various bacteria in the nature from invading the mulberry; the amino-oligosaccharin has good effect of promoting recovery of diseased strains with mulberry epidemic disease.

(2) The agent can effectively prevent and treat the mulberry epidemic disease, and can control and treat the disease condition of the mulberry epidemic disease in a seriously ill field by root irrigation or a method of root irrigation and spraying; in the case of a slightly ill field, the spraying can be performed by a continuous spraying method. Therefore, the pesticide can play a role in bacteria in soil, water flow and air flow, and the continuous three-year field pesticide effect test result shows that the pesticide and the using method thereof have the effect of preventing and treating the mulberry bacterial blight of more than 90 percent.

Detailed Description

The invention provides a compound pesticide for preventing and treating rice blast and a use method thereof, and is characterized in that: the preparation contains ethylicin and amino-oligosaccharin; the ethylicin is garlic extract, and the amino-oligosaccharin is shell extract.

Preferably, the compound pesticide for preventing and treating rice blast is characterized in that: the medicament comprises (by weight percent) —

More preferably, the compound pesticide for preventing and treating rice blast is characterized in that: the medicament comprises (by weight percent) —

In the compound pesticide for preventing and treating rice blast, the used auxiliary agent is a mixture of phosphate and high molecular polyether.

In the medicament provided by the invention, the ethylicin is a garlic extract. The garlic is a common plant in the nature, and generally has no disease in the growing process because the ethylicin contained in the garlic has strong antibacterial and bactericidal effects. Moreover, the properties of garlic are not affected by the planting area, which shows that ethylicin can effectively resist various bacteria in the nature. The mulberry is also planted in the nature and faces an environment similar to that of garlic, so that the agent is added after the ethylicin is extracted, and a good sterilization effect can be achieved. On the other hand, in the medicament provided by the invention, the amino-oligosaccharin is a shell extract, and through years of research and experiments, the inventor finds that the amino-oligosaccharin has a good effect of promoting recovery of a diseased plant after the disease of the mulberry, so that the amino-oligosaccharin is applied while ethylicin is used for sterilization, the effect of promoting recovery of the diseased plant to continue normal growth can be realized while killing bacteria and avoiding the range expansion of the disease of the mulberry, and the influence of the disease on the mulberry is reduced to the minimum, and the best prevention and treatment effect is achieved. Therefore, the inventor proposes the patent application of the invention, and aims to disclose the technical scheme, thereby benefiting the vast mulberry field; while disclosed, protection against patent grants are also desired.

The inventor researches and discovers that when the weight percentage of ethylicin and amino-oligosaccharin in the medicament is 50-75% and 0.5-5%, the control effect on the mulberry blight is good; particularly, when the content of ethylicin is 60 +/-1.5 percent and the content of amino-oligosaccharin is 2 +/-0.3 percent, the prevention and treatment effect is best. In addition, when the medicament is prepared, the auxiliary agent is preferably a mixture of phosphate and high-molecular polyether, and the content of the auxiliary agent is generally 10-30%.

When the medicament is prepared, the auxiliary agent and ethylicin are mixed, then water is added, and finally the amino-oligosaccharin raw powder is added. Specifically, firstly putting raw ethylicin and an auxiliary agent into a kettle in proportion, mixing and stirring for 30 minutes, and strictly preventing any hard metal from falling into a container during stirring so as to avoid damaging the wall of the kettle; and then adding water and the amino-oligosaccharide raw medicine in a set proportion into the kettle, continuously stirring for 30 minutes to fully mix the raw medicine, finally pumping the materials into a head tank, and precipitating for 120 minutes.

The compound pesticide for preventing and treating rice blast is microemulsion, the pH value is 2.0-6.0, the lasting foamability (after 1 min) is less than or equal to 60mL, and the emulsion stability is still qualified after 200 times of dilution. A plurality of field experiments of the inventor show that the medicament can effectively prevent and treat the mulberry epidemic disease, and the disease condition of the mulberry epidemic disease can be controlled and treated by root irrigation or a method of root irrigation and spraying in a severe disease field; in the case of a slightly ill field, the spraying can be performed by a continuous spraying method. Therefore, the pesticide can act on bacteria in soil, water flow and air flow, and the results of continuous three-year field pesticide effect tests show that the pesticide and the using method thereof have the disease prevention effect of more than 90 percent and the recovery rate of diseased plants of more than 90 percent.

The technical solutions, preparation processes and implementation effects of the present invention are described in detail above, and it should be noted that the description is only a typical example of the present invention, and besides, the present invention may have other specific embodiments, and all technical solutions formed by using equivalent substitutions or equivalent changes fall within the scope of the present invention as claimed.