CN105746491A - Method for chemically preventing and removing water hyacinths and pistia stratiotes - Google Patents
Method for chemically preventing and removing water hyacinths and pistia stratiotes Download PDFInfo
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- CN105746491A CN105746491A CN201610100796.7A CN201610100796A CN105746491A CN 105746491 A CN105746491 A CN 105746491A CN 201610100796 A CN201610100796 A CN 201610100796A CN 105746491 A CN105746491 A CN 105746491A
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- herba eichhorniae
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- mesotrione
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M99/00—Subject matter not provided for in other groups of this subclass
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/10—Sulfones; Sulfoxides
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- Health & Medical Sciences (AREA)
- Zoology (AREA)
- General Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
- Dentistry (AREA)
- Plant Pathology (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Insects & Arthropods (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a method for chemically preventing and removing water hyacinths and pistia stratiotes.The method is completed through the first step of pretreatment, the second step of pesticide application and the third step of a check test.The method has the advantages that mesotrione can effectively prevent and treat field broad-leaved weeds and can also prevent and treat two vicious aquatic weeds, namely, the water hyacinths and the pistia stratiotes fast and effectively; a body and metabolin of the pesticide both belong to low-toxicity substances, degradation in water is fast, the activity of aquatic organisms and drinking water safety are not affected, and the aims of safe and efficient prevention and treatment with time and labor saved are achieved.
Description
Technical field
The invention belongs to Pontederiaceae and Araeceae aquatic weed control technology field, a kind of specifically chemical control Herba Eichhorniae and big method.
Background technology
Herba Eichhorniae has another name called Herba Eichhorniae, Water hyacinth, herbaceos perennial, swim or be born in mire, its reproduction speed is fast, and plant quantity can increase by 1 times in 5d, the colony that just can multiply into 600,000 strains in 8 months, 1 ZHUHUA sequence can produce 300 seeds, seed deposition can be survived 5～20 years under water, and this grass overflows in 17 provinces, cities and autonomous regions of south China, is endanger one of the most serious perennial aquatic weed in the world at present.
Have another name called greatly big duckweed, great Ye lotus, Hibisci Mutabilis lotus, water lettuce, big porker dish, water-white dish, herbaceos perennial, its reproduction speed when about 28 DEG C is the fastest, plant quantity can increase by 1 times in 2～3d, 1 ZHUHUA sequence can breed nearly 100,000 strains in 1 month, in recent years in Liuzhou, Guangzhou Guangdong's disaster is comparatively serious.Owing to the fertility of water lettuce is extremely strong, in suitable environment, water lettuce will occupy the manor of other biology, even becomes the killer of other species.Therefore, water lettuce is referred to as " Green-pollution arch-criminal ", also " appears on the list of successful candidates " in the list of 100 kinds of invasive species the most dangerous of China.
Herbicide is according to its composition, can be divided into the herbicide effect difference of plant: nonselective herbicide, such as N,N'-dimethyl-.gamma..gamma.'-dipyridylium and glyphosate etc.；Selective herbicide, as 2,4-drip, 2 first tetrachloro sodium etc.；Selective herbicide can be divided into again prevents and kill off broad-leaved class herbicide, such as metsulfuron-methyl, bensulfuron-methyl, pyrazosulfuron etc.；Prevent and kill off the assorted herbicide of grass family, such as fluazifop, diclofop-methyl thiazole, quizalofop-ethyl etc.；Prevent and kill off monocotyledon weed herbicide, such as Simanex, bentazone, trefanocide etc..
Mesotrione, has another name called that Meath is logical, mesotrione.Mesotrione is p-hydroxybenzene keto ester dual oxide enzyme inhibitor, can be absorbed by the root of plant and stem and leaf, by suppressing the synthesis of hydroxy phenyl keto ester dual oxide enzyme volume, cause the accumulation of tyrosine, the biosynthesis making plastoquinone and tocopherol is obstructed, and then have influence on the biosynthesis of carotenoid, it is suppressed that and photosynthesis, dead after weeds stem and leaf albefaction.For the weeds of some resistance to sulfonylurea herbicides, as firefly Lin, Monochoria korsakowii class weeds can be come into force in 7-10 days, the preventive effect of broad leaved weeds is better than grassy weed.Mesotrione is degraded rapidly by microorganism in soil, so mesotrione and metabolite thereof will not polluted underground water and drinking waters.
Existing Herba Eichhorniae and big control technology: still do not see the application being simultaneous for Herba Eichhorniae and big safety herbicide at present, the prevention and controls of both aquatic weeds is mainly artificial to be salvaged, cost consuming time；Chemical prevention means are mainly to use the preparation series of glyphosate to prevent and kill off, but life-time service resistance is gradually increased, and the impact of aquatile especially class is bigger.Along with long-term use, the amount being accumulated in rivers and subsoil water water body constantly increases, peasant fetches water when watering, a lot of non-target plant can be caused murder by poisoning by the glyphosate of the natural disposition of going out of trace, find that a certain amount of glyphosate can make human body produce cytotoxicity and genotoxicity simultaneously, containing the toxicity bigger than glyphosate body in metabolite, water pollution and safe drinking water are affected bigger.
Preventing and kill off Herba Eichhorniae and big scheme: big because of just whole nation overgrowing in recent years, domestic to preventing and kill off big research and the application of corresponding herbicide is little, the application simultaneously preventing and kill off Herba Eichhorniae and big herbicide is not reported especially simultaneously.But the application for the herbicide preventing and kill off the single aquatic weed of Herba Eichhorniae is reported to some extent.See the Weed Science periodical first phase in 2004 " preventing and kill off Herba Eichhorniae highy potent herbicide screening test ", Chen Ruoxia etc. are by the screening to the herbicide preventing and kill off Herba Eichhorniae, the relatively drug effect of 18 kinds of herbicides, find that the clean 1500 times of liquid of water peanut can effectively control the generation of Herba Eichhorniae, after medicine, 30d strain mortality rate is more than 90%, and deflection ratio is more than 50%.After medicine, 40d mortality rate is more than 97%, and deflection ratio is more than 77%, and Semen arachidis hypogaeae of can double harnessing the river.Agriculture reach (41% gyphosate solution) and grass jinx (10% pyrrole sulphur phonetic grand can wet-milling) though drug effect clean slightly below water peanut, but also can effectively control the generation of Herba Eichhorniae, particularly agriculture reach not only after medicine mortality rate higher, rotten subsidence velocity is also very fast and water environment safety is better.The Weed Science periodical fourth phase in 2008 " preventing and kill off the screening of Herba Eichhorniae herbicide ", Cai Yingjie etc. are through to the herbicide screening preventing and kill off Herba Eichhorniae, find that Kirchhoff integral (double amidopyridine salt class) shows quick-acting, after spray medicine, 8d mortality rate just reaches more than 99%, flying up to (30% soluble glyphosate powder), to prevent and kill off the effect of Herba Eichhorniae relatively slow, but the withered rate of 16d leaf and strain mortality rate all reach 100% after medicine；2,4-D sodium salts, grass leather (40% green bristlegrass. Zhong Ling wettable powder) and 2 first 4 chlorine also all show good preventive effect, prevent and kill off the effect of Herba Eichhorniae between Kirchhoff integral with between flying up to；The preventive effect of butachlor and Acetochlor is inconspicuous, the withered rate of 16d leaf only respectively 9.3% and 27.3% after medicine, strain mortality rate respectively 0.3% and 11.7%.
Prevent and kill off big herbicide research very few, on J.Aquat.PlantManage periodical the 42nd phase in 2004 " Carfentrazone-ethylPondDissipationandEfficacyonFloatingP lants ", only reported azoles oxadiazon at present and can effectively prevent and treat greatly, and degraded is rapidly, low to water pollution and hydrobiological toxicity in water.
Summary of the invention
A kind of chemical control Herba Eichhorniae and big method are it is an object of the invention to provide, it is intended to solve at present there are no being simultaneous for preventing and kill off the application of the safely and effectively herbicide of the aquatic malignant weed of both.
The technical scheme is that
A kind of chemical control Herba Eichhorniae and big method, the method step includes:
1. gather before Herba Eichhorniae and handling of returning greatly, first tan by the sun the water in pond, to remove the bleaching powder composition in water；
2. gather the Herba Eichhorniae returned and want greatly first handling Herba Eichhorniae and big one to fortnight in pond so that it is adapting to new water environment；Selecting size close, Herba Eichhorniae and each greatly 3 strains that upgrowth situation is similar are transplanted to onesize, the little basin of same water carrying capacity, and little pelvic surface of sacrum amasss about 0.085m2,Cultivate under environment in the open；According to field recommended dose 150 grams/ha, being watered 50L, each shallow bid sprays 10% mesotrione oil dispersion 15g, is watered 500ml, and Herba Eichhorniae and big stem and leaf are carried out even spraying, 3 repetitions, a comparison blank；
3. step 3. spray mesotrione forward and backward, respectively Taking Pictures recording comparison diagram before and after Herba Eichhorniae and big root, stem and leaf dispenser.
Above-mentioned a kind of chemical control Herba Eichhorniae and big method, regularly spray mesotrione and can prevent and kill off annual or perennial broad leaved weed and part grassy weed such as Herba Abutili, Amaranthus mangostanus L., Herba chenopodii, knotweed, barnyard grass, Herba Digitariae etc..
Beneficial effects of the present invention is as follows:
1. effectively prevent and kill off Herba Eichhorniae and big, the present invention is by tanning by the sun Chi Shui before gathering, handling before spray medicine, spray and prevent and kill off Herba Eichhorniae and big mesotrione simultaneously, symptom before and after the dispenser of drug effect and contrast root, stem and leaf is recorded after dispenser, find that this medicine can be effective, quickly prevent and kill off Herba Eichhorniae and big, and in 30 days, do not find any orthogenesis.
2. pair aquatile safety, by 10% mesotrione oil dispersion that the experiment of substantial amounts of herbicide screening obtains, field recommended dose 150 grams/ha, is watered under the working concentration of 50L, affects little on aquatile and safe drinking water.
3. high efficiency and time conservation, after medicine 13 days, Herba Eichhorniae and big completely dead, dosage was few, instant effect, without orthogenesis.
Accompanying drawing explanation
Fig. 1 is Herba Eichhorniae and the big comparison diagram of root before and after dispenser.
Fig. 2 is Herba Eichhorniae and the big comparison diagram of stem before and after dispenser.
Fig. 3 is Herba Eichhorniae and the big comparison diagram of leaf before and after dispenser.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, be not used to limit invention.
The present invention is by the outdoor test of pesticide effectiveness, formed and a set of can prevent and kill off Herba Eichhorniae and big scheme simultaneously, utilizing and prevent and kill off Herba Eichhorniae and big safely and effectively herbicide, effectively anti-can prevent and kill off two kinds of aquatic malignant weeds simultaneously, this medicine body and metabolite all belong to low toxicity material, in water, degraded is rapidly, do not affect hydrobiological activity and safe drinking water, and without orthogenesis in 30 days, more save trouble than prior art, in hgher efficiency, safer.
Embodiment 1
A kind of chemical control Herba Eichhorniae and big method, the method step includes:
1. gather before Herba Eichhorniae and handling of returning greatly, first tan by the sun the water in pond, to remove the bleaching powder composition in water, it is to avoid impact gathers the Herba Eichhorniae returned and big upgrowth situation.
2. gather the Herba Eichhorniae returned and want greatly first handling Herba Eichhorniae and big one to fortnight in pond, after being transplanted to little basin, according to field recommended dose 150 grams/ha, it is watered 50L, Herba Eichhorniae and big stem and leaf uniformly spray 10% mesotrione oil dispersion, and each little basin sprays 15g, is watered 500ml, 3 repetitions, a comparison blank.
3., after spraying mesotrione, take pictures respectively and record Herba Eichhorniae and big the contrast of root is as shown in Figure 1 before and after dispenser；Herba Eichhorniae the and big contrast of stem is as shown in Figure 2 before and after dispenser；Herba Eichhorniae the and big contrast of leaf is as shown in Figure 3 before and after dispenser.
In the present embodiment, regularly spray mesotrione and can prevent and kill off annual or perennial broad leaved weed and part grassy weed such as Herba Abutili, Amaranthus mangostanus L., Herba chenopodii, knotweed, barnyard grass, Herba Digitariae etc..
By the scheme that the present invention proposes, while guaranteeing quickly effectively to prevent and kill off Herba Eichhorniae simultaneously and be big, this medicine body and metabolite all belong to low toxicity, and in water, degraded is rapidly, do not affect hydrobiological activity and safe drinking water, reach safe efficient, time saving and energy saving purpose.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (2)
1. a chemical control Herba Eichhorniae and big method, it is characterised in that the method comprises the following steps:
Step one, before gathering Herba Eichhorniae and handling of returning greatly, first tans by the sun the water in pond, to remove the bleaching powder composition in water；
Step 2, gathers the Herba Eichhorniae returned and wants greatly first handling Herba Eichhorniae and big one to fortnight in pond so that it is adapting to new water environment；Selecting size close, Herba Eichhorniae and each greatly 3 strains that upgrowth situation is similar are transplanted to onesize, the little basin of same water carrying capacity, and little pelvic surface of sacrum amasss about 0.085m2, cultivate under environment in the open；According to field recommended dose 150 grams/ha, being watered 50L, each shallow bid sprays 10% mesotrione oil dispersion 15g, is watered 500ml, and Herba Eichhorniae and big stem and leaf are carried out even spraying, 3 repetitions, a comparison blank；
Step 3. spray mesotrione forward and backward, respectively Taking Pictures recording comparison diagram before and after Herba Eichhorniae and big root, stem and leaf dispenser.
2. a kind of chemical control Herba Eichhorniae according to claim 1 and big method, it is characterised in that regularly spray mesotrione and can prevent and kill off annual or perennial broad leaved weed and part grassy weed such as Herba Abutili, Amaranthus mangostanus L., Herba chenopodii, knotweed, barnyard grass, Herba Digitariae.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610100796.7A CN105746491B (en) | 2016-02-24 | 2016-02-24 | A kind of method of chemical control water hyacinth He great Piao |
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| CN201610100796.7A CN105746491B (en) | 2016-02-24 | 2016-02-24 | A kind of method of chemical control water hyacinth He great Piao |
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| CN105746491A true CN105746491A (en) | 2016-07-13 |
| CN105746491B CN105746491B (en) | 2018-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208457A (en) * | 2019-03-11 | 2019-09-06 | 毛志华 | A kind of fluridone prevents and kill off the validity check method of black nightshade weeds for Cotton Fields |
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| JP2012082162A (en) * | 2010-10-12 | 2012-04-26 | Nippon Soda Co Ltd | Herbicide composition for paddy rice |
| JP2013227241A (en) * | 2012-04-25 | 2013-11-07 | Sumitomo Chemical Co Ltd | Herbicidal composition |
| CN104115835A (en) * | 2014-06-24 | 2014-10-29 | 江苏省激素研究所股份有限公司 | Herbicide composition |
| CN104719315A (en) * | 2015-02-12 | 2015-06-24 | 海利尔药业集团股份有限公司 | Trifloxysulfuron and mesotrione containing herbicide composition |
| CN104904725A (en) * | 2014-03-12 | 2015-09-16 | 浙江省化工研究院有限公司 | Weeding composition containing mesotrione and pentoxazone |
-
2016
- 2016-02-24 CN CN201610100796.7A patent/CN105746491B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012082162A (en) * | 2010-10-12 | 2012-04-26 | Nippon Soda Co Ltd | Herbicide composition for paddy rice |
| JP2013227241A (en) * | 2012-04-25 | 2013-11-07 | Sumitomo Chemical Co Ltd | Herbicidal composition |
| CN104904725A (en) * | 2014-03-12 | 2015-09-16 | 浙江省化工研究院有限公司 | Weeding composition containing mesotrione and pentoxazone |
| CN104115835A (en) * | 2014-06-24 | 2014-10-29 | 江苏省激素研究所股份有限公司 | Herbicide composition |
| CN104719315A (en) * | 2015-02-12 | 2015-06-24 | 海利尔药业集团股份有限公司 | Trifloxysulfuron and mesotrione containing herbicide composition |
Non-Patent Citations (3)
| Title |
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| 王子臣等: "稻田除草剂水体残留对水生植物大薸的影响", 《杂草科学》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208457A (en) * | 2019-03-11 | 2019-09-06 | 毛志华 | A kind of fluridone prevents and kill off the validity check method of black nightshade weeds for Cotton Fields |
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| CN105746491B (en) | 2018-12-07 |
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