Granular holotrichia parallela slow-releasing sex attractant and preparation method thereof
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A dark-gill beetle, slow-release technology, applied in the fields of botanical equipment and methods, attractants, biocides, etc., can solve the problems of increasing farmers' labor, fast volatilization rate, uneven release, etc. The effect of large-scale promotion, simple preparation process and reliable dose preservation
Inactive Publication Date: 2014-09-17
SHANDONG PEANUT RES INST
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Problems solved by technology
The currently used lure wick (ZL201120387584.4) is to use the active ingredients of its sex attractant to adsorb on absorbent cotton, hang it in the field, and trap male adults who come to mate. This method is efficient and targeted. , but the dosage form has a very fast volatilization rate and uneven release, so it is necessary to replace the lure in the field every day, and during the mating period of the black beetle adults, there is a lot of rain, not only the medicine is easily eroded by wind and rain, but also increases the labor of farmers. This restricts the further promotion of the technology
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Embodiment 1
[0025] Preparation of a granular slow-release attractant for black gill beetles:
[0026] (1) Preparation of solid components: Weigh 2600g of L-isoleucine methyl ester, 200g of medicinal starch, 1000g of diatomaceous earth and 400g of microcrystalline cellulose, and pass through 80-100 mesh aperture sieves respectively, and the medicinal starch It is a mixture of amylose and amylopectin, wherein amylose accounts for 26wt%. ;
[0027] (2) Preparation of liquid components: measure (R)-(-)-linalool 520g and ethanol 1440ml, and mix well;
[0028] (3) Solid component mixing: the solid component obtained by step (1) is mixed in the mixing mixer according to the method of equal addition;
[0029] (4) Stirring of solid-liquid components: adding the liquid components obtained in step (2) into the mixing mixer according to the method of equal addition and fully mixing with the mixture obtained in step (3) until a uniform soft material is formed;
[0030] (5) Preparation of granules: ...
Embodiment 2
[0037] Preparation of a granular slow-release attractant for black gill beetles:
[0038] (1) Preparation of solid components: Weigh 14g of L-isoleucine methyl ester, 200g of medicinal starch, 100g of diatomaceous earth, and 20g of microcrystalline cellulose, and pass through a sieve with an aperture of 80 to 100 meshes respectively. It is a mixture of amylose and amylopectin, wherein amylose accounts for 20 wt%. ;
[0039] (2) Preparation of liquid components: measure (R)-(-)-linalool 2g and ethanol 17ml, and mix well;
[0040] (3) Solid component mixing: the solid component obtained by step (1) is mixed in the mixing mixer according to the method of equal addition;
[0041] (4) Stirring of solid-liquid components: adding the liquid components obtained in step (2) into the mixing mixer according to the method of equal addition and fully mixing with the mixture obtained in step (3) until a uniform soft material is formed;
[0042] (5) Preparation of granules: put the soft m...
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Abstract
The invention relates to a slow-releasing sex attractant and a preparation method thereof and particularly relates to a granular holotrichia parallela slow-releasing sex attractant and a preparation method thereof. The granular holotrichia parallela slow-releasing sex attractant is prepared from sex attractant effective components, a slow-releasing carrier, a diluting agent, an auxiliary agent and a wetting agent according to a certain ratio, wherein the sex attractant effective components comprise methyl L-isoleucinate and (R)-(-)-linalool; the slow-releasing carrier is medical starch. Compared with an existing holotrichia parallela sex attractant, the granular holotrichia parallela slow-releasing sex attractant has the advantages of being simple in preparation process, reliable in dosage preservation, obvious in releasing rule and the like, and is absolutely environmentally-friendly; a releasing curve of a slow-releasing preparation meets a quadratic trinomial rule; the attraction acting effect on holotrichia parallela can last for 15-20 days and the disadvantages that the lasting period is short and the labor cost is wasted in an existing preparation are overcome; the frequent raining characteristic in a rain spell is avoided; the granular holotrichia parallela slow-releasing sex attractant has the feasibility of large-scale production, is good for large-scale popularization and has the economic significance and the ecological significance.
Description
technical field [0001] The invention relates to a slow-release attractant and a preparation method thereof, in particular to a granular black-branched beetle slow-release attractant and a preparation method thereof. Background technique [0002] The black beetle is one of the most harmful pests in various crops such as peanuts, soybeans, sweet potatoes, and corn. It often causes large-scale crop failure of peanuts, so it has always been the focus and difficulty of pest control work. In recent years, with the development of my country's agricultural production, the area of insect damage has increased rapidly, especially in peanut fields, where the number of insects per hectare is as high as hundreds of thousands or even millions. According to the five-year follow-up survey, the annual peanut production loss caused by the diablo beetle is more than 150 million kilograms. [0003] At present, there are mainly chemical methods for the prevention and control of black beetles: u...
Claims
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Application Information
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