CN102657155A - 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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- CN102657155A CN102657155A CN2012101447954A CN201210144795A CN102657155A CN 102657155 A CN102657155 A CN 102657155A CN 2012101447954 A CN2012101447954 A CN 2012101447954A CN 201210144795 A CN201210144795 A CN 201210144795A CN 102657155 A CN102657155 A CN 102657155A
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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 fibrous root more normally increases, and on the fibrous root of young root, forms the spherical or conical white root nodule that differs in size, and what have is the beads shape.Short and small, slow, the leaf color anomaly of killed strain overground part growth, the result is few, yields poorly, even causes plant dead ahead of time.The nematode of the known vegetables of causing harm mainly contains high nut tie lines worm, 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 solanberry class of often causing harm, beans and radish, calabash radish, lettuce, Chinese cabbage can also be propagated some fungies and bacterial disease.
Wood sawdust is a sawdust, is the offcuts that produce in the Wood Processing 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 is a kind of not only good but also cheap soilless culture substrate after treatment; After sawdust and ight soil mixed culture fermentation, can be used as the windrow of cultivated mushroom.
Existing nematicide agricultural chemicals adopts diatomite, kaolin and concavo-convex rod as carrier more, and action time is short, and adsorbing capacity is little.Need use a large amount of agricultural chemicals or repeatedly fertilising if will reach insecticidal effect in a short time, increase a large amount of manpower and materials, be unfavorable for the agricultural production work.Therefore, research and develop that a kind of adsorbing capacity is big, the granular formulation for killing nematode of long action time has great importance.
Summary of the invention
In view of this, be necessary to the problems referred to above, a kind of long action time, granular formulation for killing nematode that adsorbing capacity is big 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 made up of by following percentage by weight following compositions:
Said wood sawdust is made the granular formulation for killing nematode of carrier, and preferred following composition is formed by following percentage by weight:
Said wood sawdust is made the granular formulation for killing nematode of carrier, and preferred following composition is formed by following percentage by weight:
Said active ingredient is wherein one or more such as fosthiazate, AVM, 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 the BHA.
Said solvent is one or both among methoxybenzene, mineral oil, isopropyl alcohol, n-butanol, the 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) the active ingredient input is equipped with in the homogenizer of solvent, stabilizing agent evenly disperses, obtain the admixing medical solutions of viscosity homogeneous;
(2) admixing medical solutions that makes is transferred in the high-level container;
(3) wood sawdust is rendered in the agitator;
(4) agitator, the bleeder valve of unlatching high-level container adds the soup that mixes;
(5) the inspection absorption method is made the effect of granule, and each item technical indicator of check product.
Compared with prior art, the present invention has following beneficial effect:
1, adsorbing capacity is big.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% like diatomite, and kaolin can absorb the moisture of own wt 25%, and concavo-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 the wood chip; Reduce pesticide dosage, the reinforcement control efficiency has quickened to prevent and treat efficient, has saved the control cost, and has been difficult for making agricultural chemicals by atmosphere, and sunlight and rainwater destroy and run off, and effectively control prevents and treats the change of ecotope to phreatic pollution.
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 grow more easily and obtain nutrient; And after the wood chip degraded, as the organic manure of plant.
4, the wood chip source is abundant, does not receive resource limit, 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 technology 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 made up of by following percentage by weight following compositions:
Said wood sawdust is made the granular formulation for killing nematode of carrier, and preferred following composition is formed by following percentage by weight:
Said wood sawdust is made the granular formulation for killing nematode of carrier, and preferred following composition is formed by following percentage by weight:
Said active ingredient is wherein one or more such as fosthiazate, AVM, thick spore Verticillium dahliae, Paecilomyces lilacinus.
Thick spore Verticillium dahliae (Verticillium chlamydosporium sp.) belongs to endoparasitism property 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 nemases such as various crop root-knot nematode, SCN, stem eelworm.Be widely used in the control of crops root-knot nematodes such as tobacco, peanut, beans, tomato, cucumber, watermelon, eggplant, ginger, banana, sugarcane, SCN, 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 SCN ovum, to the ovum parasitic rate of Meloidogyne incognita up to 60%～70%.Multiple nematode is all had control efficiency, is the most promising biological prevention and control agent of control root-knot nematode.This fungi preparation with this bacterium commercialization, is sold with BIOCON in Philippine Ya Zhou technique center.At home, Hua Yuanfeng farming (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 control nematode, aphid etc., can be widely used in vegetables, banana, fruit tree, crops such as medicinal material; Have and tag and systemic action, toxicity is lower, and to root-knot nematode, pratylenchus has special efficacy.
AVM is agricultural Insecticidal and acaricidal agent for animals.AVM has insect and mite class tags with stomach poison function and faint fumigation action is arranged, and lethal effect is slower, does not kill ovum.But at it is a kind of macrolide disaccharide compounds that from edaphon, separates, no 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 the BHA.
Said solvent is one or both among methoxybenzene, mineral oil, isopropyl alcohol, n-butanol, the 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) the active ingredient input is equipped with in the homogenizer of solvent, stabilizing agent evenly disperses, obtain the admixing medical solutions of viscosity homogeneous;
(2) admixing medical solutions that makes is transferred in the high-level container;
(3) wood sawdust is rendered in the agitator;
(4) agitator, the bleeder valve of unlatching high-level container adds the soup that mixes;
(5) the inspection absorption method is made the effect of granule, and each item technical indicator of check product.
The preparation of embodiment 1 granule
The component of granule and percetage by weight thereof, can select one of following prescription for use:
1) contains 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 the former medicine 2% of 6%, 97% AVM, 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 among the present invention is female powder of 2,500,000,000 spore/grams, and manufacturer is Luliang, a Yunnan enzyme preparation Co., Ltd; Paecilomyces lilacinus is female powder of 20,000,000,000 spore alive/grams, and manufacturer is a Fujian Kaili Biology Products Co., Ltd; The 93% fosthiazate crude oil that fosthiazate is produced by Japanese Ishihara Sangyo Kaisha, Ltd.; The former medicine of 97% AVM that AVM is produced by Shandong Province Yantai Brote Biotechnology Co., Ltd..
Wood chip is that the granular formulation for killing nematode of carrier is produced through following steps:
(1) the active ingredient input is equipped with in the homogenizer of solvent, stabilizing agent evenly disperses, obtain the admixing medical solutions of viscosity homogeneous;
(2) admixing medical solutions that makes is transferred in the high-level container;
(3) the wood chip carrier that will make granule is rendered in the agitator;
(4) agitator, the bleeder valve of unlatching high-level container adds the soup that mixes;
(5) the inspection absorption method is made the effect of granule, and each item technical indicator of check product, and the result sees table 1.
The table 1 granular formulation for killing nematode control project indicator
| Project | Index |
| The effective mass mark | Meet target call |
| PH value scope | 5.0～8.0 |
| Moisture mass fraction/% | ≤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 AVM is according to GB19336-2003.
The assay method of expulsion rate is following: take by weighing sample 100g, be accurate to 0.1g, place batch can, the rotating speed of adjustment flat pattern gyrosphere grinding machine is 75r/min, and ball milling 15min takes out whole materials (comprising powder), crosses the 0.5mm sieve, sieve sample weighing down; 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 in every sub-district is adopted district's group arrangement at random, sub-district area 20m
2The preplanting treatment dispenser is shallow to be mixed in broadcasting, sowing immediately.Respectively at 20 days, 40 days investigation root-knot nematode quantity behind the medicine.Adopt the diagonal sampling method, every some sampling 3 strains, living what are the record standard of investigation disease index and the harm of incidence of disease root-knot nematode be knotted according to root the state of an illness is divided into Pyatyi:
0 grade of unrooted 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 is seen table 2
30 days different medicaments are to the control efficiency of tomato root-knot eelworm behind table 2 medicine
Field experiment result shows: after present case is implemented, and the product that the relative active ingredient of each case is identical, drug effect all has the different obviously raisings of degree; And having adopted the medicament of wood chip as carrier, the growing way of tomato can be better.More than 2 confirmed that also the enforcement of present case helps to improve the performance of medicament drug effect and promotes the growth of plant.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, 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 accompanying claims.
Claims (7)
1. a wood sawdust is made the granular formulation for killing nematode of carrier, it is characterized in that: be made up of by following percentage by weight following compositions:
2. make the granular formulation for killing nematode of carrier according to the said wood sawdust of claim 1, it is characterized in that: form by following percentage by weight by following composition:
3. make the granular formulation for killing nematode of carrier according to the said wood sawdust of claim 1, it is characterized in that: form by following percentage by weight by following composition:
4. according to the described granular formulation for killing nematode of claim 1, it is characterized in that: said active ingredient is one or more in fosthiazate, AVM, thick spore Verticillium dahliae, the Paecilomyces lilacinus.
5. according to the described granular formulation for killing nematode of claim 1, it is characterized in that: described stabilizing agent is one or both among castor oil, soybean oil, epoxidized soybean oil, propane diols, isopropyl alcohol, BHT and the BHA.
6. according to the described granular formulation for killing nematode of claim 1, it is characterized in that: said solvent is one or both among methoxybenzene, mineral oil, isopropyl alcohol, n-butanol, the dimethyl sulfoxide (DMSO).
7. a wood sawdust is made the preparation method of the granular formulation for killing nematode of carrier, comprises following steps:
(1) the active ingredient input is equipped with in the homogenizer of solvent, stabilizing agent evenly disperses, obtain the admixing medical solutions of viscosity homogeneous;
(2) admixing medical solutions that makes is transferred in the high-level container;
(3) wood sawdust is rendered in the agitator;
(4) agitator, the bleeder valve of unlatching high-level container adds the soup that mixes;
(5) the inspection absorption method is made the effect of granule, and each item technical indicator of check product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201210144795 CN102657155B (en) | 2012-05-10 | 2012-05-10 | Nematicide granules with sawdust as carrier and preparation method thereof |
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Cited By (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 |
| CN105660711A (en) * | 2016-04-01 | 2016-06-15 | 广西南宁益土生物科技有限责任公司 | Nematode granules with seedling recovering 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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| 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 |
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| 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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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. |