CN101406198A - Sulfometuron-methyl compound pesticide for preventing and killing Spartina and application method - Google Patents
Sulfometuron-methyl compound pesticide for preventing and killing Spartina and application method Download PDFInfo
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- CN101406198A CN101406198A CNA2008100718469A CN200810071846A CN101406198A CN 101406198 A CN101406198 A CN 101406198A CN A2008100718469 A CNA2008100718469 A CN A2008100718469A CN 200810071846 A CN200810071846 A CN 200810071846A CN 101406198 A CN101406198 A CN 101406198A
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Abstract
The invention relates a sulfometuron-methyl compound agricultural chemical for preventing and removing spartina, which is prepared from sulfometuron-methyl, a binding agent, a dispersing agent, a plant somatropin, and a filling agent. The sulfometuron-methyl compound agricultural chemical has two dosage forms of powder and granule, and is used for preparing toxic soil for direct application. The dosage of 6,000 grams per hectare of the sulfometuron-methyl compound agricultural chemical on the basis of the sulfometuron-methyl in 100 percent can achieve the effect of preventing and removing the spartina, and the duration from the application of the sulfometuron-methyl compound agricultural chemical to the death of all the spartina lasts for just 40 to 45 days; compared with using the toxic soil prepared from the sulfometuron-methyl directly with clay, diatomaceous earth or kaolin and the like, the sulfometuron-methyl compound agricultural chemical can shorten the effective time by more than 15 days, reduce the dosage of the sulfometuron-methyl by 1/2, thereby significantly improving the controlling effect and reducing controlling cost.
Description
Technical field
The medicament that the present invention relates to contain sulfometuronmethyl is prevented and kill off the compound pesticide of rice grass, belongs to pesticide field.
Background technology
Rice grass (Spartina) is the general name that grass family rice grass belongs to several plant.China's rice grass mainly contains four kinds, is respectively rice grass (Spartina anglica Hubbard), spartina alterniflora loisel (Spartina alterniflora Loisel), big cordgrass (Spartina cynosuroides (L.) Roth), fox rice grass (Spartina patens (Aiton) Muhl.) etc.Rice grass, spartina alterniflora loisel are the plants of introducing from states such as Great Britain and Americas respectively in China 60-80 age that is used to protect beach.Over more than 30 year,, on the coastal seabeach in more than totally 80 county (city) growth is arranged all North gets Jinxi, Liaoning county, south to the Dianbai, Guangdong in China through artificial planting and natural propagation diffusion.The introduction of rice grass and establishing in large scale have played important function, and have brought certain ecology and economic benefit some coastal area storm resisting of China, guarantor beach bank protection, created land with silt.The rice grass has also become harmful grass in some places, has brought serious economy and ecological hazard but in recent years.Large tracts of land, the highdensity careless coastal economy of rice and ecology have been brought huge disaster.Mainly show: 1) destroy the neritic organism habitat, make multiple biological deaths by suffocation such as coastal cultivated shellfish, crab class, algae, fish; 2) with contention nutrition such as sea-tangle, lavers, its output is descended year by year; 3) plug channel influences all kinds of ships and leaves the port, and makes troubles for sea fisheries, transport service even national defence (potential hazard is very big) etc.; 4) influence the exchange of seawater ability, cause deteriorating water quality, and bring out red tide; 5) with coastal beach eciophyte competitive growth space, cause large stretch of mangrove forest disappearance on the seabeach, threaten local bio-diversity.
Spartina alterniflora loisel in 2003 has been put into State Bureau of Environmental Protection and has invaded in the first batch in the alien species list of China.As internationally recognized exotic invasive species, its control problem is an international difficult problem.
The careless improvement method that adopts of present stage rice mainly contains:
1) physics or mechanical means: physics or machinery mainly are to adopt artificial or mechanical method, as pull out, turn over, covering, water logging, burn, cut off and roll etc., but adopt physical control method manpower and materials consume significant.
2) biological control: the biological method of preventing and treating mainly is to adopt animal natural enemy and pathogenic microorganisms to prevent and treat, but it is extremely low to prevent and treat efficient, and if introduce external natural enemy and pathogen, exist biological secondary invasion problem, have bigger ecological risk.
3) chemical method: the control of using chemical method to carry out the spartina alterniflora loisel has the efficient of control height, advantage such as easy to use, unfavorable factor influences but conventional chemical herbicide and traditional spray pesticide method Chang Yin are subjected to sea water immersion etc., causes shortcomings such as dosage is big, seriously polluted, herbicidal effect is poor, control cost height.
Glyphosate (Rodeo
TM) be unique weed killer herbicide that obtains practical application in the rice grass control both at home and abroad at present, but its control cost is very high, for example, utilizes Rodeo in Washington
TMThe careless cost of control rice is up to 1700-3700 dollar/hectare (NormanM, Patten K., 1997).Therefore, exploring the careless special-purpose agent for preventing and eliminating of rice of more effective and energy practical application, is one of important research work of current China control rice grass.
Sulfometuronmethyl is novel forest land and the uncultivated area weed killer herbicide that Xi'an Inst. of Modern Chemistry at first researchs and develops, and domestic forest land, needle nursery, fire-blocking belt, forest land, apple orchard and the uncultivated area of mainly being registered in is used for management of weeds and assorted the filling.Its mechanism of action is to become the activity of enzyme (ALS) that the biosynthesis of branched-chain amino acid (valine, leucine, isoleucine) is suppressed entirely by the acetolactic acid that suppresses in the plant corpus.After sulfometuronmethyl was sprayed onto on weeds or the ground, the root, stem and leaf of plant all can absorb, all can conduct mutually up and down, so but both leaf surface treatment also can be made soil treatment.Sulfometuronmethyl safe, according to reported in literature, fish is exposed in the environment that contains 0.1-10ppm concentration sulfometuronmethyl, no any accumulation in the body.For studies show that of its toxic effect: to mammal, the toxicity of sulfometuronmethyl is also lower than salt, and it is by regulating and the control enzyme influences the growths of weeds.Therefore, be expected to become the effective agent of prevention and control rice grass.
But traditional spray is prevented and treated method and is lost in a large number because of reasons such as sea water immersion cause medicament, and the conventional pesticide-clay mixture method of applicant's application has played good effect to improving drug effect, has reduced the loss of medicament effectively, has obtained the good effect of committee; But still the loss of big source is arranged, and further the research compound prescription reduces because of tide washes away the medicament loss that is caused simultaneously to improve drug effect, and it is good to improve preventive effect.
Summary of the invention
The present invention seeks to the characteristics of washing away, the medicament physical property is improved, to reduce the loss that tide causes medicament at coastal beach mud construction features and tide; Sulfometuronmethyl compound pesticide and the application method of preventing and kill off the rice grass are provided.
The sulfometuronmethyl compound pesticide of preventing and kill off the rice grass of the present invention, the one, added and quickened the active substance that the rice grass absorbs medicament; The 2nd, the sedimentation coefficient of raising medicament, the protective effect that medicament rose that utilizes mud that sedimentation is gone down reduces because of tide washes away the medicament that is caused and loses; Make the careless special-purpose agent for preventing and eliminating of rice, thereby improved control efficiency for comprehensive above 2.
The sulfometuronmethyl compound pesticide of preventing and kill off the rice grass is achieved in that
1) it is formulated by sulfometuronmethyl, adhesive, dispersant, promoting growth of plants material and filler to prevent and kill off the sulfometuronmethyl compound pesticide of rice grass, comprises two kinds of formulations of pulvis and granule, and various combination drug consumptions, usage are as follows:
Sulfometuronmethyl: by weight, contain sulfometuronmethyl 0.2%-95% after the preparation;
Adhesive: when the preparation granule, needing to add adhesive increases an efficient; Adhesive comprises a kind of and several among EDT-A, EDAC, HEDP, the ATMP, and addition has accounted for the 0.1-10% of medicament toatl proportion;
Dispersant: in order to promote the diffusion of compound pesticide in beach mud, added dispersant in the compound pesticide of the present invention, dispersant comprises lignosulfonates, NNO, dispersing agent MF, and addition accounts for the 0.1-10% of medicament toatl proportion;
Promoting growth of plants material: comprise the various materials that help plant tachyauxesis, promote plant absorbing, comprise urea, gibberellin, methyl, heteroauxin etc.Hormonal substance adds according to the amount of the 0.1%-10% of sulfometuronmethyl quality in the medicament in such material, and chemical fertilizer is added doubly according to the 10-100 of sulfometuronmethyl quality in the medicament and added;
Filler: comprise natural or synthesis of clay, diatomite, kaolin, natural silica, talcum, montmorillonite, precipitated calcium carbonate etc.It is that filling medicament guarantees that sulfometuronmethyl reaches corresponding concentration that such material mainly acts on.
Above-mentioned each compound pesticide component is mixed according to predetermined ratio, be ground into pulvis, the diameter 30 μ m-50 μ m of pulvis, or adopt comminutor to carry out granulation, the diameter 0.1mm-9mm of granule.
2) application process of compound pesticide of the present invention is the pesticide-clay mixture method, is about to directly spread fertilizer over the fields after medicament is processed into pesticide-clay mixture.
3) but the various grass family rice of compound pesticide prevention and control of the present invention grass platymiscium, comprise rice grass (Spartina anglicaHubbard), spartina alterniflora loisel (Spartina alterniflora Loisel), big cordgrass (Spartina cynosuroides (L.) Roth), fox rice grass (Spartina patens (Aiton) Muhl.) etc., than using sulfometuronmethyl directly to add the prevention and control better effects if that filler is made pesticide-clay mixture, dosage still less.
The present invention has the following advantages:
1) the present invention has added high activity material and composite dose, make compound pesticide active high, consumption is few, helps the fast Absorption of plant to sulfometuronmethyl, shortened action time, improved preventive effect.
2) the present invention has improved the sedimentation coefficient of medicament also according to the characteristics of coastal beach, and the protective effect that medicament rose that utilizes mud that sedimentation is gone down reduces because of tide washes away the medicament that is caused and loses.
3) safe: medicament Main Ingredients and Appearance sulfometuronmethyl of the present invention, belong to low toxicity level according to China's " agricultural chemicals acute toxicity classification tentative standard ", " classification of foreign compound acute toxicity " standard by the World Health Organization belongs to little poison level, at home and abroad the test of pesticide effectiveness of more than ten years, apply in the process, all not finding has any harmful effect to people, animal and ecotope; Other component of medicament of the present invention all adopts low toxicity or nontoxic composition.
Below in conjunction with specific embodiment the present invention is described in further detail, but not as a limitation of the invention.
Embodiment
In order to verify the herbicidal effect of medicament of the present invention, test in the beach rice grass generating region of Fujian Ningde City, after having adopted commercially available 75% sulfometuronmethyl wetting powder to mix soil or mix sand, spreads fertilizer over the fields the contrast the method for control.Give birth to the careless maternal plant of rice when test is implemented and be in vegetative period, plant height 40-50cm, blade peak green; The strain 5-15cm of tillering, blade does not launch.
Embodiment 1
Preparation is a sulfometuronmethyl pesticide-clay mixture granule.Concrete implementation step is as follows:
1, recipe ingredient: the former medicine of 96% sulfometuronmethyl, EDTA, dispersant NNO, gibberellin, diatomite, fine clay.
2, concrete pharmaceutical formulation: is the former medicine conversion of 96% sulfometuronmethyl to prepare sulfometuronmethyl 0.2%-1%, EDTA 5%-10% after 100%, NNO 1%-10%, gibberellin of plant growth regulator 0.02%-0.1%, diatomite 20-30%, remaining adopts fine clay.The back is proportionally fully pulverized, mixed to above each component uses Squeezinggranulator to make the pesticide-clay mixture particle of diameter 0.5-3mm.
The contrast medicament is that 75% sulfometuronmethyl wetting powder or the former medicine of 96% sulfometuronmethyl are directly mixed fine clay to adopt above-mentioned same process to make identical with above-mentioned sulfometuronmethyl content, and the pesticide-clay mixture granule is used for the careless preventive effect contrast of rice.
3, the rice grass is prevented and kill off: pesticide-clay mixture machines the back and adopts the method for directly spreading fertilizer over the fields to prevent and kill off district's use at the rice grass; Sulfometuronmethyl is directly mixed the pesticide-clay mixture particle that fine clay is made, and presses sulfometuronmethyl folding hundred and calculates, and just can reach the purpose of preventing and kill off the rice grass more than the 11250 gram/hectares, all presents dead symptom from dispenser to the rice grass and will continue 60-70 days; Adopt sulfometuronmethyl compound pesticide pesticide-clay mixture consumption of the present invention to roll over hundred calculating by sulfometuronmethyl, 6000 gram/hectares can reach the effect that the rice grass is prevented and kill off, and all present dead symptom lasting 40-45 days from dispenser to the rice grass.
Embodiment 2
Preparation is the sulfometuronmethyl pesticide-clay mixture.Concrete implementation step is as follows:
1, recipe ingredient: the former medicine of 96% sulfometuronmethyl, EDTA, dispersant calcium lignosulfonate, urea, diatomite, fine clay.
2, pesticide-clay mixture prescription: is the conversion of the former medicine of 96% sulfometuronmethyl to prepare after 100%, sulfometuronmethyl 0.2%-1%, and adhesive EDTA1%-10%, dispersant 1%-10%, urea 10%-15%, diatomite 20-30%, all the other are fine clay.The back is proportionally fully pulverized, mixed to above each component uses Squeezinggranulator to make the particle of diameter 0.5-3mm.
3, the rice grass is prevented and kill off: the pesticide-clay mixture among this embodiment is made using method and is contrasted as embodiment 1, presses sulfometuronmethyl folding hundred and calculates consumptions 6500 gram/hectares, and preventive effect is with embodiment 1.
Embodiment 3
Preparation is a pulvis, must mix soil or fine sand before spreading fertilizer over the fields.Concrete implementation step is as follows:
1, prescription key component: the former medicine of 96% sulfometuronmethyl, EDTA, calcium lignosulfonate, urea, diatomite.
2, concrete prescription: it is to prepare after 100% that the former medicine of 96% sulfometuronmethyl is converted, sulfometuronmethyl 70%-75%, and EDT-A, 1%-2%, dispersant 0.5%-1%, other is a diatomite.Above each component is proportionally fully mixed, be ground into the pulvis of diameter 30-50 μ m.
3, need before the pharmacy application to add in advance the urea of 10 times of sulfometuronmethyl consumptions, add doubly heavy fine clay of the 100-150 that comprises the former medicine of sulfometuronmethyl, EDTA, calcium lignosulfonate, urea, diatomite material or fine sand again, mix evenly and get final product, the urea that this step adds also can add in the step 2 of this enforcement is made the process of pulvis.
4, the rice grass is prevented and kill off: the medicament after present embodiment step 3 is mixed soil or mixed sand is prevented and kill off the zone at the rice grass and is spread fertilizer over the fields uniformly.The contrast medicament is that 75% sulfometuronmethyl wetting powder or the former medicine of 96% sulfometuronmethyl directly add diatomite and adopt above-mentioned same process to make and the identical pulvis of above-mentioned sulfometuronmethyl content, and adopts identical using method.Sulfometuronmethyl consumption folding hundred amounts reach 6700-6800 gram/hectare and can reach the purpose of preventing and kill off the rice grass, and preventive effect is with embodiment 1.
Embodiment 4
Preparation is a pulvis, must mix soil or fine sand before spreading fertilizer over the fields.Concrete implementation step is as follows:
1, recipe ingredient: the former medicine of 96% sulfometuronmethyl, EDTA, calcium lignosulfonate, gibberellin, diatomite.
2, concrete prescription: it is to prepare after 100% that the former medicine of 96% sulfometuronmethyl is converted, sulfometuronmethyl 80%-90%, and EDT-A, 1%-2%, dispersant 0.5%-1%, gibberellin 1%-2%, all the other are diatomite.Above each component is proportionally fully mixed, be ground into the pulvis of diameter 30-50 μ m.
3, need to mix in advance fine clay or fine sand before the pharmacy application, the amount of clay or fine sand is 100-150 a times of present embodiment step 2 medicament weight.
4, the rice grass is prevented and kill off: the medicament after will mixing soil or mixing sand is prevented and kill off the zone at the rice grass and is spread fertilizer over the fields uniformly, contrast medicament such as embodiment 3.Sulfometuronmethyl folding hundred amounts reach 6300-6500 gram/hectare and can reach the purpose of preventing and kill off the rice grass, and preventive effect is with embodiment 1.
Comprehensive above four embodiment, adopting the prescription of medicament of the present invention directly to be processed into pesticide-clay mixture spreads fertilizer over the fields or is processed into to spread fertilizer over the fields after mixing soil or mix sand behind the pulvis and all can reach the careless preventive effect of good rice, and the consumption that reaches the careless preventive effect sulfometuronmethyl of identical rice is only prevented and kill off about half of dosage for using commercially available 75% sulfometuronmethyl wetting powder to carry out the rice grass, has reduced a drug cost of preventing and kill off the rice grass.
Sulfometuronmethyl is to the safety of main mudflat aquaculture animal:
1) during the whole test, various morning and evening tides biologies in the test region, as no abnormal death such as crab, shrimp, mudskippers, benthic kind and quantity and not applying area do not have significant difference.
2) mudflat aquaculture objects such as blood clam, razor clam, shrimp, crab, mudskipper are carried out indoor toxicology test, Primary Study result shows that medicament of the present invention does not have tangible harmful effect to above for the examination object.
Claims (3)
1, prevents and kill off the sulfometuronmethyl compound pesticide of rice grass, it is characterized in that by sulfometuronmethyl, adhesive, dispersant, promoting growth of plants material and filler formulatedly, comprise two kinds of formulations of pulvis and granule.
2, the sulfometuronmethyl compound pesticide of preventing and kill off the rice grass according to claim 1 is characterized in that:
A, sulfometuronmethyl contain sulfometuronmethyl 0.2%-95% by weight after the preparation;
B, adhesive comprise a kind of and several among EDT-A, EDAC, HEDP, the ATMP, and addition has accounted for the 0.1-10% of medicament toatl proportion;
C, dispersant comprise lignosulfonates, NNO, dispersing agent MF, and addition accounts for the 0.1-10% of medicament toatl proportion;
D, promoting growth of plants material comprise the various materials that help plant tachyauxesis, promote plant absorbing, comprise urea, gibberellin, methyl, heteroauxin etc., hormonal substance adds according to the amount of the 0.1%-10% of sulfometuronmethyl weight in the medicament, and chemical fertilizer is added doubly according to the 10-100 of sulfometuronmethyl quality in the medicament and added;
E, filler comprise natural or synthesis of clay, diatomite, kaolin, natural silica, talcum, montmorillonite, precipitated calcium carbonate etc.It is that filling medicament guarantees that sulfometuronmethyl reaches corresponding concentration that such material mainly acts on;
A, B, C, D, each compound pesticide component of E are mixed according to predetermined ratio, be ground into pulvis, the diameter 30 μ m-50 μ m of pulvis, or adopt comminutor to carry out granulation, the diameter 0.1mm-9mm of granule.
3, prevent and kill off the application process of the sulfometuronmethyl compound pesticide of rice grass, it is characterized in that being the pesticide-clay mixture method, be about to directly spread fertilizer over the fields after medicament is processed into pesticide-clay mixture.
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| CNA2008100718469A CN101406198A (en) | 2008-09-25 | 2008-09-25 | Sulfometuron-methyl compound pesticide for preventing and killing Spartina and application method |
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| CNA2008100718469A CN101406198A (en) | 2008-09-25 | 2008-09-25 | Sulfometuron-methyl compound pesticide for preventing and killing Spartina and application method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105027723A (en) * | 2015-07-02 | 2015-11-11 | 盐城市新洋农业试验站 | Application technology of pre-emergence soil treatment herbicide used in cornfield |
| CN105284836A (en) * | 2015-11-30 | 2016-02-03 | 佛山市盈辉作物科学有限公司 | Gibberellic acid-containing herbicide composition and preparation method as well as application thereof |
-
2008
- 2008-09-25 CN CNA2008100718469A patent/CN101406198A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105027723A (en) * | 2015-07-02 | 2015-11-11 | 盐城市新洋农业试验站 | Application technology of pre-emergence soil treatment herbicide used in cornfield |
| CN105284836A (en) * | 2015-11-30 | 2016-02-03 | 佛山市盈辉作物科学有限公司 | Gibberellic acid-containing herbicide composition and preparation method as well as application thereof |
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Application publication date: 20090415 |