CN112741092A - Weeding composition containing mesotrione and propanil - Google Patents

Weeding composition containing mesotrione and propanil Download PDF

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CN112741092A
CN112741092A CN202110158250.8A CN202110158250A CN112741092A CN 112741092 A CN112741092 A CN 112741092A CN 202110158250 A CN202110158250 A CN 202110158250A CN 112741092 A CN112741092 A CN 112741092A
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propanil
mesotrione
weeds
herbicidal composition
composition according
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CN112741092B (en
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刘华林
李伟波
齐龙昌
冯刘毅
李彦清
孙哲
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Anhui Shalongda Biological Technology Co ltd
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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
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention provides a weeding composition containing mesotrione and propanil, wherein the active ingredients comprise mesotrione and propanil, and the mass ratio of the mesotrione to the propanil is 0.1-10: 1-100; preferably 0.1-10: 1-60. The weeding composition can be used for preventing and removing annual and part of perennial weeds in the paddy field, and has obvious synergistic effect.

Description

Weeding composition containing mesotrione and propanil
Technical Field
The invention belongs to the field of herbicides, and particularly relates to a weeding composition containing mesotrione and propanil and application thereof.
Background
In recent years, the drug resistance of weeds in paddy fields is increasingly improved, the weeding need is increased, the requirement for developing new compounds of pesticides is higher, the requirement for high drug effect, high safety and high selectivity is high, the time is long, the cost is huge, and the difficulty is high.
Mesotrione, also known as mesotrione, chemical name: 2- (4-methanesulfonyl) -2-nitrobenzoyl) cyclohexane-1, 3-dione. Mesotrione is a triketone compound, is a pre-emergence and post-emergence broad-spectrum selective herbicide capable of inhibiting hydroxyphenylpyruvate dioxygenase (HPPD), and can effectively control main broadleaf weeds and some gramineous weeds. The herbicide composition has good control effect on annual broadleaf weeds and part of gramineous weeds in corn fields such as piemarker, amaranth, chenopodium quinoa, polygonum, cockspur grass, crabgrass and the like, and can be used for effectively controlling cyperaceae weeds, broadleaf weeds and gramineous weeds such as Chinese iris, abnormal cyperus rotundus, arrowhead, rhizoma alismatis, monochoria japonica, monochoria vaginalis, eyeweed, bidens tripartita, cockspur grass, moleplant seeds and the like.
Propanil is an amide herbicide, has various action mechanisms, not only destroys the photosynthesis of plants, but also inhibits respiration and oxidative phosphorylation, interferes nucleic acid and protein synthesis and the like. The composition is a high-selectivity contact-type herbicide, the propanil fails after encountering soil decomposition, and is only suitable to be used as a stem and leaf treating agent, the propanil is hydrolyzed by aryl carboxyl amidase in rice bodies, and 3, 4-dichloroaniline and propionic acid are used for detoxifying, so that the composition is mainly used for preventing and killing the propanil in paddy fields, and can also be used for preventing and killing seedling weeds such as moleplant seed, monochoria vaginalis, portulaca oleracea and dry rice fields, digitaria sanguinalis, setaria viridis, amarantha monochamiana and the like, wherein the propanil is optimally prevented and killed, and the propanil is lack of the detoxifying function, the cell membrane is firstly destroyed, so that. Barnyard grass was the most sensitive at 2 leaves.
The single use of the herbicide for a long time easily causes the serious drug resistance of the weeds, thereby increasing the application dosage of the herbicide, causing pollution to the environment, and finding the synergistic composition which can improve the weeding effect and reduce the application dosage of the active ingredients is a research and development hotspot. No related literature report of compounding mesotrione and propanil is found in the prior art.
Disclosure of Invention
The weeding composition containing mesotrione and propanil and the application thereof have a remarkable synergistic effect. The specific technical scheme is as follows:
the invention relates to a weeding composition containing mesotrione and propanil, which is characterized in that the mass ratio of the mesotrione to the propanil is 0.1-10:1-100, preferably 0.1-10:1-60, preferably 0.8-1.5:20-80, preferably 0.3-1.5:20-60, and more preferably 0.4-0.8: 30-50.
The weeding composition can be prepared into any one dosage form together with conventional auxiliary components in pesticide preparation processing according to a conventional preparation method, and the dosage form can be missible oil, dispersible oil suspending agent, water dispersible granule, wettable powder, microemulsion, aqueous emulsion, soluble liquid, suspending agent, suspension emulsion and the like.
The weeding composition is used for preventing and removing weeds in paddy fields, wherein the weeds are annual and part of perennial weeds. Further, the weeds are moleplant seed, barnyard grass, large crabgrass, green bristlegrass herb, rice leek grass, paspalum distichum, monochoria vaginalis, cyperus rotundus, cyperus heterotropus and the like.
Compared with the prior art, the invention has the following beneficial effects:
when the two active ingredients are combined to show synergistic effect, the use dosage of the active ingredients can be obviously reduced, and the generation of drug resistance of weeds is slowed down. The herbicidal composition claimed in the application has obvious synergistic effect in a proper proportioning range.
The compound composition of mesotrione and propanil has good control effect on paddy field weeds such as moleplant seed, barnyard grass, large crabgrass, green bristlegrass, rice grass, paspalum distichum, monochoria vaginalis, cyperus rotundus, cyperus heterophyllus and the like.
Detailed Description
The invention will be better understood from the following examples. However, those skilled in the art will readily appreciate that the description of the embodiments is illustrative only and should not be taken as limiting the invention as described in detail in the claims
The mass percentage of the active ingredients of the preparation of the composition is 1-80%. The mass percentage of the further active ingredients is 5-70%.
When the formulation of the weeding composition is missible oil, the weeding composition consists of the following components:
example one: 0.2% of mesotrione, 35% of propanil, 5-30% of emulsifier, 10-30% of DMF, 10-30% of cyclohexanone, and the balance of xylene or solvent oil.
Example two: 0.5% of mesotrione, 39.5% of propanil, 5-30% of emulsifier, 5-30% of isophorone, 5-30% of decanamide, and the balance of xylene or solvent oil.
When the formulation of the herbicidal composition is a dispersible oil suspension, it consists of the following components:
example three: 1% of mesotrione, 25% of propanil, 5-30% of emulsifier, 0.1-3% of organic bentonite, and the balance of methyl oleate or soybean oil.
Example four: mesotrione 0.5%, propanil 19.5%, emulsifier 5-30%, DMF 10-30%, organic bentonite 0.1-3%, and xylene or methyl oleate in balance.
Example five: 0.5% of mesotrione, 39.5% of propanil, 5-30% of emulsifier, 10-30% of isophorone, 0.1-3% of organic bentonite and solvent oil or methyl oleate in balance.
Example six: 0.4% of mesotrione, 33% of propanil, 5-30% of emulsifier, 10-30% of isophorone, 10-30% of cyclohexanone, 0.1-3% of organic bentonite and solvent oil or methyl oleate.
When the formulation of the weeding composition is water dispersible granules, the weeding composition consists of the following components:
example seven: 1% of mesotrione, 40% of propanil, 0.1-10% of wetting agent, 0.1-10% of dispersing agent, 0.1-5% of binder, 0.1-5% of disintegrating agent and the balance of solid carrier.
When the formulation of the herbicidal composition is a granule, it consists of the following components:
example eight: 1% of mesotrione, 29% of propanil, 0.1-10% of wetting agent, 0.1-10% of dispersing agent, 0.1-5% of binder and the balance of solid carrier.
When the formulation of the herbicidal composition is wettable powder, it consists of the following components:
example nine: mesotrione 0.5%, propanil 35%, wetting agent 0.1-10%, dispersant 0.1-10%, and solid carrier in balance.
When the formulation of the herbicidal composition is a microemulsion, it consists of the following components:
example ten: 0.3% of mesotrione, 30% of propanil, 5-30% of emulsifier, 10-30% of cyclohexanone, 10-30% of capramide, 1-5% of ethylene glycol and the balance of water.
When the formulation of the weeding composition is an aqueous emulsion, the weeding composition consists of the following components:
example eleven: 0.5% of mesotrione, 39.5% of propanil, 5-10% of emulsifier, 10-30% of cyclohexanone, 10-30% of decanamide, 1-5% of ethylene glycol and the balance of water.
When the formulation of the herbicidal composition is a soluble liquid, it consists of the following components:
example twelve: mesotrione 0.5%, propanil 30%, emulsifier 5-30%, cyclohexanone 10-30%, and DMF in balance.
When the formulation of the herbicidal composition is a suspension concentrate, it consists of the following components:
example thirteen: 0.5% of mesotrione, 35% of propanil, 1-15% of emulsifier, 0.01-2% of thickening agent, 0.01-2% of defoaming agent, 0.1-2% of preservative, 1-5% of antifreezing agent and the balance of water.
When the formulation of the herbicidal composition is a suspoemulsion, it consists of the following components:
example fourteen: 0.4% of mesotrione, 35% of propanil, 5-15% of emulsifier, 10-30% of cyclohexanone, 10-30% of capramide, 0.01-2% of thickening agent, 0.01-2% of defoaming agent, 0.1-2% of preservative and the balance of water.
Biological example 1: indoor measurement of mesotrione and propanil compound pair
The tested weeds: barnyard grass seed.
The test method comprises the following steps: the pot with the area of 0.01m2 was filled with a fixed amount of soil to 3/4 of the pot, and then watered from the top of the pot to completely wet the soil to saturation. Uniformly sowing 25-30 weed seeds of a target to be tested on the soil surface of a pot, covering fine soil of 0.5-2cm according to the size of the seeds, culturing and planting in a greenhouse, spraying a liquid medicine quantitatively in each pot for 4 times when weeds grow to 3-4 leaf stages, setting blank control, culturing the treated test material in the greenhouse, regularly observing the growth condition of the target weeds, investigating on the 30 th day, and calculating the fresh weight control effect of each treatment.
Figure BDA0002935259570000061
The combined action evaluation method comprises the following steps: the herbicide combinations were evaluated according to the Colby method.
TABLE 1 measurement results of toxicity of mesotrione, propanil and their combination against weeds
Figure BDA0002935259570000062
Figure BDA0002935259570000071
As can be seen from Table 1, mesotrione and propanil alone performed well on weeds; when the mesotrione and the propanil are mixed for use, the composition shows excellent control effect on weeds under the condition of adapting to the mixture ratio, and has extremely strong synergistic effect. It is known to those skilled in the art that when two active ingredients are used in combination to exhibit a synergistic effect, the dosage of the active ingredients can be significantly reduced, and the occurrence of weed resistance can be slowed down.
Biological example 2 measurement of herbicide effects of mesotrione and propanil compounded with rice in field
Relevant pesticide effect tests are carried out in different varieties and different periods of different rice cultivation modes such as Guanghui Feitong, Lujiang and Jiangsu Wujiang, and the like, and Wujiang is taken as an example.
And (3) test crops: weeds in rice fields: semen Euphorbiae.
The application method comprises the following steps: after 5 leaves of rice, the stem and leaves were sprayed.
Test investigation: the safety of the rice was visually observed 7 days after the application,sampling at 5 points 35 days after application, each point is 0.25m2Sampling investigation is carried out, and the fresh weight control effect of the weeds is calculated.
Figure BDA0002935259570000081
And (3) safety evaluation:
observing whether the pesticide has phytotoxicity on the rice, and recording the type and the degree of the phytotoxicity. The phytotoxicity grading standards are as follows:
level 1: the rice grows normally without any damage symptom;
and 2, stage: the rice has slight phytotoxicity which is less than 10 percent;
and 3, level: the rice can recover after medium phytotoxicity, and the yield is not influenced;
4, level: the rice has serious phytotoxicity and is difficult to recover, thereby causing the reduction of yield;
and 5, stage: the rice has serious phytotoxicity and can not be recovered, thereby causing obvious yield reduction or no yield.
Table 2: preventing and treating effect of different medicament treatments on moleplant seed
Figure BDA0002935259570000082
Figure BDA0002935259570000091
And (3) field test results:
the mesotrione and propanil compound preparations with different proportions have obvious effect of preventing and removing weeds in paddy fields, the effect of the compound preparation is obviously superior to that of each single preparation, and the compound preparation can excellently solve the problems of malignant weeds in paddy fields, such as resistant moleplant seeds and the like; the field observation is safe for crops.
In conclusion, the invention has reasonable components, better mixed control effect than that of single component, obvious synergistic effect, good safety to crops, high cost performance and accordance with the pesticide application policy and policy guidelines of high efficiency, high safety and high selectivity, can expand the weed control spectrum, reduce the times of pesticide application and delay the occurrence of weed resistance, and can save the pesticide cost
The foregoing is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that modifications may be made without departing from the invention as claimed in the invention and these modifications are within the scope of the invention.

Claims (8)

1. A herbicidal composition characterised in that the active ingredients comprise mesotrione and propanil.
2. A herbicidal composition according to claim 1, wherein the mass ratio of mesotrione to propanil is 0.1-10: 1-100; preferably 0.1-10: 1-60.
3. A herbicidal composition according to claim 2, wherein the mass ratio of mesotrione to propanil is 0.8-1.5:20-80, preferably 0.3-1.5:20-60, more preferably 0.4-0.8: 30-50.
4. A herbicidal composition according to claim 1 or 2, characterized in that it further comprises auxiliary ingredients conventional in the processing of pesticide formulations.
5. A herbicidal composition according to any one of claims 1 to 3, characterized in that it further comprises one or more other agriculturally active ingredients.
6. A herbicidal composition according to claim 5, wherein the composition is formulated as emulsifiable concentrates, dispersible oil suspensions, water dispersible granules, wettable powders, microemulsions, aqueous emulsions, soluble liquids, suspensions and suspoemulsions.
7. Use of the herbicidal composition according to any one of claims 1 to 6 for controlling weeds in paddy fields, wherein the weeds are annual and partially perennial weeds.
8. Use according to claim 7, wherein the weeds are moleplant seeds, barnyard grass, large crabgrass, green bristlegrass, rice leek, paspalum distichum, monochoria vaginalis, cyperus rotundus.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111139255A (en) * 2018-11-06 2020-05-12 南京农业大学 Propanil amidase gene pamD and coding protein and application thereof
CN113575600A (en) * 2021-08-26 2021-11-02 安徽稻草人杂草防治技术有限公司 Weeding composition containing topramezone and propanil and application thereof
CN113661990A (en) * 2021-08-26 2021-11-19 安徽稻草人杂草防治技术有限公司 Weeding composition containing benzobicyclon and propanil and application thereof
CN113951260A (en) * 2021-11-10 2022-01-21 安徽喜田生物科技有限公司 Weeding composition containing propanil and tembotrione
CN114794108A (en) * 2022-06-15 2022-07-29 安徽稻草人杂草防治技术有限公司 Weeding composition containing propanil, metamifop and mesotrione and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101115389A (en) * 2005-02-04 2008-01-30 辛根塔参与股份公司 Process for the control of undesired plant growth in rice
CN101217869A (en) * 2005-07-07 2008-07-09 拜尔作物科学股份公司 Cultigen-compatible herbicidal agents containing herbicides and acylsulfamoylbenzamide safeners
JP2011190197A (en) * 2010-03-12 2011-09-29 Mitsui Chemicals Agro Inc Mixed herbicidal composition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101115389A (en) * 2005-02-04 2008-01-30 辛根塔参与股份公司 Process for the control of undesired plant growth in rice
CN101217869A (en) * 2005-07-07 2008-07-09 拜尔作物科学股份公司 Cultigen-compatible herbicidal agents containing herbicides and acylsulfamoylbenzamide safeners
JP2011190197A (en) * 2010-03-12 2011-09-29 Mitsui Chemicals Agro Inc Mixed herbicidal composition

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111139255A (en) * 2018-11-06 2020-05-12 南京农业大学 Propanil amidase gene pamD and coding protein and application thereof
CN111139255B (en) * 2018-11-06 2022-07-01 南京农业大学 Propanil amidase gene pamD and coding protein and application thereof
CN113575600A (en) * 2021-08-26 2021-11-02 安徽稻草人杂草防治技术有限公司 Weeding composition containing topramezone and propanil and application thereof
CN113661990A (en) * 2021-08-26 2021-11-19 安徽稻草人杂草防治技术有限公司 Weeding composition containing benzobicyclon and propanil and application thereof
CN113951260A (en) * 2021-11-10 2022-01-21 安徽喜田生物科技有限公司 Weeding composition containing propanil and tembotrione
CN114794108A (en) * 2022-06-15 2022-07-29 安徽稻草人杂草防治技术有限公司 Weeding composition containing propanil, metamifop and mesotrione and application thereof

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