CN102657155B - Nematicide granules with sawdust as carrier and preparation method thereof - Google Patents
Nematicide granules with sawdust as carrier and preparation method thereof Download PDFInfo
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- CN102657155B CN102657155B CN 201210144795 CN201210144795A CN102657155B CN 102657155 B CN102657155 B CN 102657155B CN 201210144795 CN201210144795 CN 201210144795 CN 201210144795 A CN201210144795 A CN 201210144795A CN 102657155 B CN102657155 B CN 102657155B
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Abstract
The invention relates to nematicide granules with sawdust as a carrier and a preparation method thereof. The granules comprise the following components in percentage by weight: 1-30 percent of active ingredient, 2-30 percent of stabilizer, 5-20 percent of solvent and 60-80 percent of sawdust, wherein the active ingredient is one or more of fosthiazate, abamectin, verticillium chlamydosporium, paecilomyces lilacinus and the like. The granules have the advantages of large adsorption capacity, long acting time, capability of improving soil conditions, rich sawdust rich, no limitation to resource and high convenience in use.
Description
Technical field
The present invention relates to pesticide field, relate in particular to a kind of wood sawdust and make granular formulation for killing nematode of carrier and preparation method thereof.
Background technology
Mainly the cause harm root of various vegetables of root-knot nematode shows as lateral root and the fibrous root compared with normal increases, and forms the spherical or conical white root nodule that differs in size on the fibrous root of young root, and what have is the beads shape.Short and small, slow, the leaf color anomaly of killed strain overground part growth, result is few, yields poorly, and even causes plant dead ahead of time.The nematode of the known vegetables of causing harm mainly contains high bow root-knot nematode, peanut root-knot nematode, northern root-knot nematode and Meloidogyne incognita at present.The nematode host range is extensive, and 30 various vegetables such as melon, the solanaceous vegetables of often causing harm, beans and radish, calabash radish, lettuce, Chinese cabbage can also be propagated some fungus and bacterium venereal diseases evils.
Wood sawdust is sawdust, is the offcuts that produce in the timber process, contains a large amount of hollow conduits, can absorb a large amount of moisture.Wood sawdust generally is used for doing fuel, fermented organic fertilizer; Sawdust after treatment, is a kind of not only good but also cheap soilless culture substrate; After sawdust and ight soil mixed culture fermentation, can be used as the windrow of cultivated mushroom.
Existing kill the nematode agricultural chemicals and adopt diatomite, kaolin and concave convex rod as carrier more, action time is short, and adsorbing capacity is little.Need to use a large amount of agricultural chemicals or repeatedly fertilising if will reach in a short time insecticidal effect, increase a large amount of manpower and materials, be unfavorable for the agricultural production work.Therefore, large, granular formulation for killing nematode long action time of a kind of adsorbing capacity of research and development has great importance.
Summary of the invention
In view of this, be necessary for the problems referred to above, a kind of long action time, granular formulation for killing nematode that adsorbing capacity is large are provided.
In order to address the above problem, the present invention adopts following technical scheme:
A kind of wood sawdust is made the granular formulation for killing nematode of carrier, is comprised of by following percentage by weight following compositions:
Described wood sawdust is made the granular formulation for killing nematode of carrier, and preferred following composition forms by following percentage by weight:
Described wood sawdust is made the granular formulation for killing nematode of carrier, and preferred following composition forms by following percentage by weight:
Described active ingredient is wherein one or more such as fosthiazate, Avermectin, thick spore Verticillium dahliae, Paecilomyces lilacinus.
Described stabilizing agent is one or both among castor oil, soybean oil, epoxidized soybean oil, propane diols, isopropyl alcohol, BHT and BHA.
Described solvent is one or both among methoxybenzene, mineral oil, isopropyl alcohol, n-butanol, dimethyl sulfoxide (DMSO).
A kind of wood sawdust is made the preparation method of the granular formulation for killing nematode of carrier, comprises following steps:
(1) active ingredient is dropped into Uniform Dispersion in the homogenizer that solvent, stabilizing agent are housed, obtain the admixing medical solutions of viscosity homogeneous;
(2) admixing medical solutions that makes is transferred in high-level container;
(3) wood sawdust is rendered in agitator;
(4) start agitator, open the bleeder valve of high-level container, add the liquid that mixes;
(5) the inspection absorption method is made the effect of granule, and all technical of check product.
Compared with prior art, the present invention has following beneficial effect:
1, adsorbing capacity is large.Wood chip contains a large amount of hollow conduits, the moisture of adsorbable own wt more than 5 times, and conventional carrier can absorb the moisture of own wt 18% as diatomite, and kaolin can absorb the moisture of own wt 25%, and concave convex rod can absorb the moisture of own wt 30-35%.
2, long action time.The degradation process of wood chip is slower, and the time of staying in soil is long, so it is also long to be adsorbed on the action time of the agricultural chemicals in wood chip; Reduce pesticide dosage, strengthen control efficiency, accelerated to prevent and treat efficient, saved cost accounting, and be difficult for making agricultural chemicals by atmosphere, sunlight and rainwater destroy and run off, and effectively control to groundwater pollution the change of control ecotope.
3, improve soil condition.Wood chip can sweetening of the soil acid-base value, to make that the soil is porous ventilative, seepage of water is strong, can keep moisture, drainage performance is good, makes root system of plant more easily grow and obtain nutrient; And after the wood chip degraded, as the organic manure of plant.
4, the wood chip source is abundant, is not subjected to resource limitation, uses also very convenient.
5, use one or more insecticidal active ingredients, single nematode of planting agricultural chemicals generation resistance is also had insecticidal effect.
6, equipment investment is few, and technique is easy to control, and product weight is stable, can produce continuously, is suitable for suitability for industrialized production, and yield is higher than 98%.
Embodiment
For a better understanding of the present invention, be described further below in conjunction with embodiment.
A kind of wood sawdust is made the granular formulation for killing nematode of carrier, is comprised of by following percentage by weight following compositions:
Described wood sawdust is made the granular formulation for killing nematode of carrier, and preferred following composition forms by following percentage by weight:
Described wood sawdust is made the granular formulation for killing nematode of carrier, and preferred following composition forms by following percentage by weight:
Described active ingredient is wherein one or more such as fosthiazate, Avermectin, thick spore Verticillium dahliae, Paecilomyces lilacinus.
Thick spore Verticillium dahliae (Verticillium chlamydosporium sp.) belongs to the endoparasitism fungi, it is the Important Natural Enemy of some plant nematodes, can parasitize ovum, infect larva and female worm, can obviously alleviate the harm of the nemases such as various crop root-knot nematode, Cyst nematode, stem eelworm.Be widely used in the control of the crops root-knot nematodes such as tobacco, peanut, beans, tomato, cucumber, watermelon, eggplant, ginger, banana, sugarcane, Cyst nematode, also can be used for the control of ornamental plant, flowers root-knot nematode.
Paecilomyces lilacinus (Penicillium lilacinum) is effective bacterial parasite of Meloidogyne incognita and white Cyst nematode ovum, to the percentage of egg parasitism of Meloidogyne incognita up to 60%～70%.Multiple nematode is had control efficiency, is the most promising biological prevention and control agent of control root-knot nematode.Philippine Ya Zhou technique center is sold this fungi preparation with this bacterium commercialization with BIOCON.At home, Hua Yuanfeng agriculture (Beijing) bio tech ltd is released the bottled preparation of 100g/ bottle with 10,000,000,000/gram spore preparation alive, goes on the market.
Fosthiazate, commodity happy lot by name is many, is the organic phosphor nematocide, is mainly used in preventing and treating nematode, aphid etc., can be widely used in vegetables, banana, fruit tree, the crops such as medicinal material; Have and tag and systemic action, toxicity is lower, and to root-knot nematode, pratylenchus has special efficacy.
Avermectin is agricultural Insecticidal and acaricidal agent for animals.Avermectin has insects and mites tags with stomach poison function and faint fumigation action is arranged, and lethal effect is slower, not ovicidal.But be a kind of macrolide disaccharide compounds that separates from edaphon at it, without systemic action.But it has very strong osmosis to blade, can kill subepidermal insect, and is residual less at plant surface, and the longevity of residure is long.
Described stabilizing agent is one or both among castor oil, soybean oil, epoxidized soybean oil, propane diols, isopropyl alcohol, BHT and BHA.
Described solvent is one or both among methoxybenzene, mineral oil, isopropyl alcohol, n-butanol, dimethyl sulfoxide (DMSO).
A kind of wood sawdust is made the preparation method of the granular formulation for killing nematode of carrier, comprises following steps:
(1) active ingredient is dropped into Uniform Dispersion in the homogenizer that solvent, stabilizing agent are housed, obtain the admixing medical solutions of viscosity homogeneous;
(2) admixing medical solutions that makes is transferred in high-level container;
(3) wood sawdust is rendered in agitator;
(4) start agitator, open the bleeder valve of high-level container, add the liquid that mixes;
(5) the inspection absorption method is made the effect of granule, and all technical of check product.
The preparation of embodiment 1 granule
The component of granule and percetage by weight thereof, can select one of following formula:
1) contain the female powder 10% of the thick spore Verticillium dahliae of 2,500,000,000/gram spore alive, stabilizing agent soybean oil 5%, solvent mineral oil 10%, wood chip 75%;
2) 93% fosthiazate crude oil accounts for 11%, solvent methyl oleate 8%, stabilizing agent castor oil 5%, wood chip 76%;
3) 93% fosthiazate crude oil accounts for 6%, the 97% former medicine 2% of Avermectin, solvent dimethyl sulfoxide (DMSO) 10%, and stabilizing agent soybean oil 5%, BHT accounts for 0.1%, wood chip 77%;
The thick spore Verticillium dahliae of using in the present invention is female powder of 2,500,000,000 spore/grams, and manufacturer is Luliang enzyme preparation Co., Ltd; Paecilomyces lilacinus is female powder of 20,000,000,000 spore/grams alive, and manufacturer is Fujian Kaili Biology Products Co., Ltd; The 93% fosthiazate crude oil that fosthiazate is produced by Japanese Ishihara Sangyo Kaisha, Ltd.; The 97% former medicine of Avermectin that Avermectin is produced by Yantai, Shandong Province Bo Ruite bio tech ltd.
Wood chip is that the granular formulation for killing nematode of carrier is produced by following steps:
(1) active ingredient is dropped into Uniform Dispersion in the homogenizer that solvent, stabilizing agent are housed, obtain the admixing medical solutions of viscosity homogeneous;
(2) admixing medical solutions that makes is transferred in high-level container;
(3) the wood chip carrier that will make granule is rendered in agitator;
(4) start agitator, open the bleeder valve of high-level container, add the liquid that mixes;
(5) the inspection absorption method is made the effect of granule, and all technical of check product, the results are shown in Table 1.
Table 1 granular formulation for killing nematode is controlled the project indicator
| Project | Index |
| The effective mass mark | Meet target call |
| PH value scope | 5.0～8.0 |
| Moisture content/% | ≤5.0 |
| Expulsion rate/% | ≤3.0 |
| Heat storage stability | Qualified |
The detection of microbial inoculum adopts conventional dilution to be coated with plate method, and the mensuration of fosthiazate adopts liquid chromatography, and the mensuration of Avermectin is according to GB19336-2003.
The assay method of expulsion rate is as follows: take sample 100g, be accurate to 0.1g, be placed in batch can, the rotating speed of adjusting flat pattern gyrosphere grinding machine is 75r/min, and ball milling 15min takes out whole materials (comprising powder), crosses the 0.5mm sieve, the lower sample weighing of sieve; Expulsion rate calculates by formula (1):
The mensuration of other indexs also all adopts national standard method, and the pH pH-value determination pH is according to GB/T 1601-1993; The mensuration of moisture is according to GB/T 1600-2001; Heat storage stability is according to GB/T 19136-2003.
Embodiment 2 tests of pesticide effectiveness
Adopt product of the present invention, make the tomato root-knot eelworm field control effectiveness test, every processing triplicate, the repetition of one of every residential quarter adopts random district group to arrange, residential quarter area 20m
2Shallow mixed in broadcasting the preplanting treatment dispenser, sowing immediately.Respectively at 20 days, 40 days investigation root-knot nematode quantity after medicine.Adopt the diagonal sampling method, every some sampling 3 strains, the Recording criteria of investigation disease index and the harm of incidence of disease root-knot nematode, according to root knot what that give birth to the state of an illness is divided into Pyatyi:
0 grade without root knot;
1 grade of root knot accounts for 1%～25% of full root system;
2 grades of root knots account for 26%～50% of full root system;
3 grades of root knots account for 51%～75% of full root system;
4 grades of root knots account for 76%～100% of full root system.
Be calculated as follows the disease index of tomato root-knot eelworm:
Result of the test sees Table 2
30 days different medicaments control efficiency to tomato root-knot eelworm after table 2 medicine
The field experiment result shows: after present case is implemented, and the identical product of each case relative efficiency composition, drug effect has the raising of different obvious degrees; And having adopted the medicament of wood chip as carrier, the growing way of tomato can be better.Above 2 have also confirmed, implementing of present case helps improve the performance of medicament drug effect and the growth of promotion plant.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (3)
1. a wood sawdust is made the granular formulation for killing nematode of carrier, it is characterized in that: be comprised of by following percentage by weight following compositions:
Active ingredient 1～30%
Stabilizing agent 2-20%
Solvent 5-20%
Wood sawdust 60～80%;
Described active ingredient is a kind of in fosthiazate, thick spore Verticillium dahliae, or the combination of fosthiazate and Avermectin; Described stabilizing agent is one or both among castor oil, soybean oil, epoxidized soybean oil, propane diols, isopropyl alcohol, BHT and BHA;
Described solvent is one or both among methoxybenzene, mineral oil, isopropyl alcohol, n-butanol, dimethyl sulfoxide (DMSO).
2. wood sawdust is made the granular formulation for killing nematode of carrier according to claim 1, it is characterized in that: be comprised of by following percentage by weight following composition:
Active ingredient 5～15%
Stabilizing agent 2-10%
Solvent 5-15%
Wood sawdust 70～80%.
3. wood sawdust is made the granular formulation for killing nematode of carrier according to claim 1, it is characterized in that: be comprised of by following percentage by weight following composition:
Active ingredient 5～10%
Stabilizing agent 5%
Solvent 10-15%
Wood sawdust 75%.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103039443A (en) * | 2013-01-22 | 2013-04-17 | 上海孚祥生物科技有限公司 | Method for producing granules for killing nematodes by using biomass particle carbon as carrier |
| CN105660711B (en) * | 2016-04-01 | 2018-08-07 | 青岛正道药业有限公司 | A kind of nematode granule with slow seedling effect |
| CN106035386A (en) * | 2016-08-01 | 2016-10-26 | 佛山市盈辉作物科学有限公司 | Nematicidal composition containing paecilomyces lilacinus and fosthiazate |
| CN106342799A (en) * | 2016-08-25 | 2017-01-25 | 佛山市盈辉作物科学有限公司 | Nematocide granules taking peanut bran as carrier and preparation method thereof |
| CN107841467A (en) * | 2017-11-16 | 2018-03-27 | 东北林业大学 | A kind of biological pesticide for preventing and treating pine wood nematode and preparation method thereof |
| CN107969422A (en) * | 2017-11-23 | 2018-05-01 | 云南微态源生物科技有限公司 | A kind of thickness wall spore Pu Keniya bacterium granule and its method that the granule is produced using silkworm excrement as carrier |
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| US6174538B1 (en) * | 1991-10-31 | 2001-01-16 | Micro Flo Company | Bait with cucurbitacin |
| CN1439263A (en) * | 2003-03-06 | 2003-09-03 | 喻少帆 | Avilamycin granules and their preparing method |
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Address after: 526000 District, Gaoyao Industrial Park, Gaoyao District, Guangdong, Zhaoqing Patentee after: Guangdong Zhenge Biotechnology Co. Ltd. Address before: 526108 Zhaoqing District, Gaoyao Town, Gaoyao City, Guangdong, Patentee before: Zhaoqing Zhenge Biotechnology Co.,Ltd. |