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A protective agent for ladybug eggs
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A protective agent, ladybug technology, applied in the field of agriculture, can solve the problem of undiscovered ladybug eggs, etc., and achieve the effects of environmental friendliness, broad industrialization prospects, and simple preparation methods
Active Publication Date: 2018-06-22
INST OF PLANT PROTECTION FAAS +1
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No protective agent specifically for ladybug eggs has been found
Method used
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Embodiment 1
[0025] Ladybug egg protector microemulsion, the components by weight are 10 parts of nepetalactone, 5 parts of terpinolene, 5.5 parts of limonene, 2.5 parts of citronellal, 0.03 parts of sodium ascorbate, 2 parts of sodiumbenzene methanesulfonate, 3.5 parts of glycerin, 0.3 parts of sodium benzoate, 0.4 parts of xanthan gum, 12 parts of emulsifier, 58.77 parts of water.
[0026] The preparation steps are as follows:
[0027] (1) Mix and stir the active ingredients (nepetalactone, terpinolene, limonene, citronellal) and heat to dissolve to obtain the oil phase;
[0028] (2) Mix water and all additives evenly;
[0029] (3) Slowly add (1) into (2), stir, shear and emulsify, take samples, test, and the product is ready.
Embodiment 2
[0031] Ladybug egg protector microemulsion, the components by weight percentage are 12 parts of nepetalactone, 3.1 parts of terpinolene, 3.2 parts of limonene, 4.7 parts of citronellal, 0.03 parts of sodium ascorbate, dodecylbenzene 2.5 parts of sodium methanesulfonate, 3.0 parts of glycerin, 0.4 parts of sodium benzoate, 0.5 parts of xanthan gum, 10 parts of emulsifier, 60.57 parts of water.
[0032] The preparation method is the same as in Example 1.
Embodiment 3
[0034] Ladybug egg protector microcapsules, the components by weight are 24 parts of nepetalactone, 17.6 parts of terpinene, 5.7 parts of limonene, 7.7 parts of citronellal, 0.03 parts of sodium ascorbate; polyvinyl alcohol 22 parts, 18 parts of toluene-2,4-diisocyanate, 0.02 parts of glycerin, 0.05 parts of xanthan gum, 4.9 parts of water.
[0035] Add the mixed active ingredients into a container containing toluene-2,4-diisocyanate and stir, then add polyvinyl alcohol, stir, then add glycerin, let stand, then add other additives and water, filter, Dry to obtain microcapsules.
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Abstract
The invention discloses a protective agent for ladybug eggs and application. The protective agent includes the following components by weight: 1-30 parts of nepetalactone, 0.5-25 parts of terpinolene, 0.1-15 parts of limonene, 0.1-15 parts of citronellal, and the balance water and additives. The protective agent provided by the invention contains substances with special smell, can produce a repellent effect on adult ladybugs adult and larvae and other predatory insects, thus protecting ladybug eggs from feeding during indoor ladybug raising and field release of ladybug eggs. The protective agent has the advantages of low cost, high efficiency, environmental-friendliness, human and animal safety, etc. The protective agent for ladybug eggs provided by the invention has broad industrialization prospects and simple preparation method, is especially suitable for large-scale breeding of ladybugs and large-scale utilization of ladybugs to control pests, and has broad economic, social and ecological benefits.
Description
technical field [0001] The invention relates to the field of agricultural technology, in particular to a protective agent for ladybug eggs and its application. Background technique [0002] In the field of pest biological control, ladybugs are widely used as a class of natural enemy insects. People have achieved remarkable results in controlling aphids, scale insects, whiteflies and mites by using ladybugs. For example, use Heterochromia to control aphids, use Australian ladybugs to control cotton scales, and use Cryptidia monstii to control mealybugs. [0003] Artificial large-scale reproduction and release are the prerequisites for using ladybugs to control pests. However, ladybug larvae can kill each other, and adults and larvae have the habit of eating eggs of the same species. Since eggs are the main release method in the field, this cannibalistic habit has become an important obstacle to massreproduction and release. It is better to release different insect states i...
Claims
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Application Information
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