Gas disinfectant for silkworms and application thereof

Abstract

The invention relates to a gas disinfectant for silkworms and an application thereof. The gas disinfectant for silkworms is a chlorine-dioxide-containing gas which is generated by reacting raw materials consisting of chlorine dioxide liquor and citric acid liquor in a volume ratio of 1:1. The gas disinfectant disclosed by the invention has the characteristics of a high diffusion rate, uniform distribution, strong penetrability, no residues after disinfection and the like; the chlorine dioxide liquor and the citric acid liquor are combined together for disinfecting air of a silkworm-breeding environment in silkworm-rearing production; the gas disinfectant is simple and convenient, can quickly generate the chlorine-dioxide-containing gas and can disperse the chlorine-dioxide-containing gas to a space including some narrow gaps which need disinfection, and can simultaneously realize all-around disinfection of mulberry leaves, silkworm bodies, a silkworm rearing bed, environment and air, so that the disinfection efficiency is greatly improved. The gas disinfectant disclosed by the invention can be used to effectively control pathogenic microorganisms in the skin-rearing environment to prevent occurrence and spread of silkworm infectious plant diseases, and has disinfection effect which is efficient, safe, broad-spectrum and free of toxic or side effect.

Description

technical field [0001] The invention relates to the technical field of silkworm pest prevention and control, and more particularly relates to a gas disinfectant for silkworms, a disinfection method and an application thereof. Background technique [0002] In recent years, various infectious silkworm diseases are still endangering sericulture production in varying degrees. In the process of silkworm rearing, infectious silkworm diseases such as viral diseases, fungal diseases, bacterial diseases and particulate diseases are all serious diseases to the sericulture industry. It can also be transmitted by breeders or through the air. Therefore, it is particularly important to do a good job of disinfection. At present, there are five main categories of disinfectants commonly used in sericulture production, namely: chlorine-containing disinfectants, including organic chlorine preparations (such as trichloroisocyanuric acid powder, chloramine T, etc.) and inorganic chlorine prepar...

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Problems solved by technology

For example, when the silkworm body and silkworm seat are sprayed for disinfection, although the disinfection effect is better, the humidity of the silkworm seat will increase during the disinfection process; when bleaching powder is mixed with fresh lime powder and used for powder disinfection, it will also be affected by the water absorption of lime Sexuality causes the humidity of the silkworm seat to increase, and the large silkworm stage generally requires a relatively dry breeding environment. Therefore, after the effective disinfection ingredients are lost, it is easy to cause the reproduction of fungi and bacteria, and then cause fungal and bacterial diseases of silkworms (Lu Xingmeng, 2009) Soaking and disinfecting mulberry leaves has a certain effect on the prevention of silkworm microparticle disease, but it is generally difficult to dry completely. If the silkworm is fed directly with moist mulberry leaves, it will cause too much water in the silkworm body and increase the number of silkworms. The humidity of the environment, coupled with the high temperature in summer and autumn, will undoubtedly induce the occurrence of silkworm bacterial diseases and fungal diseases (Lan Bizhong et al., 2014)

In fumigation, most of the disinfectants used are formaldehyde as the main disinfection component. Although they are effective against fungal diseases, they are more irritating to the skin, eyes, and mucous membranes. Formaldehyde is also a recognized carcinogen. et al., 2011)

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