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Silkworm breeding method for preventing silkworm diseases

A silkworm and urea technology, applied in the field of agricultural silkworm breeding, can solve the problems of poor leaf quality, affecting the yield of silkworm cocoons, and yield failure of silkworm cocoons, and achieve the effects of improving safety and increasing the output of silkworm cocoons.

Active Publication Date: 2017-02-08
盐城市大丰区蚕桑技术指导站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, although a variety of comprehensive control measures have been taken in silkworm production, infectious silkworm diseases often occur in large numbers in the middle and late 5th instar, resulting in poor cocoon yields and affecting the stability of cocoon production, and silkworms are oligophagous. Insects mainly eat mulberry leaves, but poor leaf quality often affects silkworm cocoon production in production

Method used

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  • Silkworm breeding method for preventing silkworm diseases
  • Silkworm breeding method for preventing silkworm diseases
  • Silkworm breeding method for preventing silkworm diseases

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment one: reduce the infection of blood type pus disease, improve silkworm cocoon output

[0019] 1. Dissolve 1.5 grams of the mixture of urea, guanosine, posaconazole and genistein in 250 ml of water, spray 2.5 kg of mulberry leaves, and spray mulberry leaves with 250 ml of water at the same time, and feed them from the 5th instar after drying Silkworm (species: Haoyue × Jingsong) for 8 hours, the former is the drug group, the latter is the control group;

[0020] 2. The leaves of mulberry were impregnated with 10 per ml 8 and 10 7 The silkworm nucleopolyhedron suspension, after slightly drying, fed the drug group and control group silkworms of step 1 respectively for 6 hours, and then fed with normal mulberry leaves;

[0021] 3. On the 2nd day of the 5th instar, the drug group of step 2 and the silkworm of the control group were fed with the drug sprayed mulberry leaves of step 1 and the clear water sprayed mulberry leaves for 8 hours respectively, and then fe...

Embodiment 2

[0026] Embodiment 2. Reduce the infection of midgut-type pustular disease and improve the safety of silkworm rearing

[0027] 1. Dissolve 2.0 grams of the mixture of urea, guanosine, posaconazole and genistein in 200 ml of water, spray 2 kg of mulberry leaves, and spray mulberry leaves with 250 ml of water at the same time, and feed them from the 5th age after drying. Silkworm (species: Haoyue × Jingsong) for 10 hours, the former is the drug group, the latter is the control group;

[0028] 2. The leaves of mulberry were impregnated with 10 per ml 8 and 10 7 The silkworm cytoplasmic polyhedron suspension, after drying slightly, fed the drug group and control group silkworms of step 1 respectively for 8 hours, and then fed with normal mulberry leaves instead;

[0029] 3. On the 2nd day of the 5th instar, the drug group in step 2 and the silkworm of the control group were fed with the drug-sprayed mulberry leaves of step 1 and the water-sprayed mulberry leaves for 10 hours, and...

Embodiment 3

[0034] Embodiment three, reduce Beauveria bassiana infection, improve the safety of sericulture

[0035] 1. The 5th instar silkworm (species: Haoyue × Jingsong) body spray contains 10 per ml 10 Suspension of conidia of Beauveria bassiana;

[0036] 2. The silkworms in step 1 are divided into a drug group and a control group;

[0037] 3. Bombyx mori in the drug group: Dissolve 1.75 g of a mixture of urea, guanosine, posaconazole, and genistein in 225 ml of water, spray 2 kg of mulberry leaves, and feed for 8 hours after drying; silkworms in the control group: Spray 2 kg of mulberry leaves with 225 ml of clear water and feed them for 8 hours after drying. Afterwards, they were fed with normal mulberry leaves;

[0038] 4. On the 2nd, 4th, and 6th days of the 5th instar, the silkworms in the drug group and the control group in step 3 were fed with drug-sprayed mulberry leaves and clear water sprayed with mulberry leaves for 8 hours, and were fed with normal mulberry leaves until...

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Abstract

The invention provides a silkworm breeding method for preventing silkworm diseases. The method comprises the following steps: mixing urea, ganciclovir DHPG, posaconazole and genistein at a weight ratio of 950:30:10:10; dissolving 1.5-2.0g of mixture with 200-250ml of water; spraying onto 2-2.5kg of folium mori; and airing and then feeding 5-instar silkworms. According to the silkworm breeding method for preventing silkworm diseases, the morbidity of nuclear polyhedrosis, midgut polyhedrosis and white muscardine of silkworms can be obviously reduced, the silkworm breeding safety is promoted, and the silkworm cocoon yield is increased.

Description

technical field [0001] The invention belongs to the field of agricultural sericulture, in particular to a sericulture method capable of preventing the disease of silkworms. Background technique [0002] The main factors affecting cocoon yield and quality are silkworm species, mulberry leaf quality, sericulture technology, occurrence of silkworm diseases, etc. For a specific variety, mulberry leaf quality is the most important factor in determining cocoon yield. The extreme meteorological environment, combined with mulberry field management and inadequate fertilization, seriously affect the growth and development of mulberry trees, resulting in a decline in the quality of mulberry leaves, which cannot meet the nutritional requirements of silkworm growth and silk protein synthesis, and ultimately lead to a decline in silkworm cocoon production. [0003] In sericulture production, due to the resistance of silkworm species, incomplete disinfection, poor leaf quality, high temper...

Claims

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Application Information

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IPC IPC(8): A01K67/04A61K31/522A61K31/17A61K31/496A61K31/352A61P31/10A61P31/12
CPCA01K67/04A61K31/17A61K31/352A61K31/496A61K31/522A61K2300/00
Inventor 顾海洋王羽骋杨明方王元祥高海青丁蕾蕾唐莹
Owner 盐城市大丰区蚕桑技术指导站