CN111328819A - Low-temperature-resistant suspending agent containing spirotetramat and preparation method thereof - Google Patents

Low-temperature-resistant suspending agent containing spirotetramat and preparation method thereof Download PDF

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Publication number
CN111328819A
CN111328819A CN202010313113.2A CN202010313113A CN111328819A CN 111328819 A CN111328819 A CN 111328819A CN 202010313113 A CN202010313113 A CN 202010313113A CN 111328819 A CN111328819 A CN 111328819A
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agent
spirotetramat
low
low temperature
suspending agent
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陈诺
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Sixf Crop Protection Co ltd
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Sixf Crop Protection 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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
    • A01N47/06—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom containing —O—CO—O— groups; Thio analogues thereof
    • 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
    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings

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

Abstract

The application provides a low temperature resistant suspending agent containing spirotetramat and flonicamid; the low-temperature resistant suspending agent can improve the low-temperature resistant capability of crops by improving the content of proline and soluble sugar, and reduce the cold injury stress of crops caused by low temperature. The low-temperature resistant suspending agent has a remarkable effect, is safe and reliable, and provides a new way for reducing the damage of low temperature to crops.

Description

Low-temperature-resistant suspending agent containing spirotetramat and preparation method thereof
Technical Field
The invention is suitable for the agricultural preparation technology, in particular to the field of low-temperature resistant agricultural preparations, and specifically provides a low-temperature resistant suspending agent containing spirotetramat and a preparation method thereof.
Background
In the growing process of crops, the crops often suffer from low temperature hazards, such as sudden temperature drop caused by late spring coldness, continuous low temperature caused by continuous rainy days and the like. The low temperature stress seriously affects the flower bud differentiation and normal metabolic function of crops, and can cause large-area destructive economic loss under extreme conditions. Reports of low temperature stress are often found in media, such as large-area flower falling of northern apples caused by late spring coldness, large yield reduction of Guangxi oranges caused by sudden low temperature drop, and the like. Although numerous studies have been made on the molecular machine for preventing low-temperature damage of various crops including citrus, no practical solution has been proposed yet. In conclusion, the growers need a scheme and a technology for improving the low temperature resistance of crops.
Flonicamid (British name: flonicamid, molecular formula: C)9H6F3N3O) is a pyridine amide (or nicotinamide) insecticide with novel action, efficiently prevents and treats piercing-sucking mouthpart pests such as aphids, plant hoppers, whiteflies and the like, has novel action mechanism, has no cross resistance with other insecticides sold in the market at present, and particularly has low toxicity to bees.
Spirotetramat (English name: spirotetramat, molecular formula: C)21H27NO5) Is a tetronic acid compound, has unique action characteristics, can be conducted in two directions in crops, and can efficiently prevent various sucking mouthparts pests, such as aphids, thrips, psyllids, mealybugs, whiteflies, scale insects and the like.
At present, no report exists on the improvement of the low-temperature damage resistance of crops by using spirotetramat and/or flonicamid.
Disclosure of Invention
The applicant has unexpectedly found in pesticide development that the early spraying of the combination of spirotetramat, particularly spirotetramat and flonicamid can improve the content of proline and soluble sugar in crops and improve the low-temperature damage resistance of crops, and the molecular mechanism of the combination can be related to CBF gene expression (only supposing that the specific molecular mechanism is under the co-study with cooperative units, no clear research result is available).
The invention aims to: provides a low-temperature resistant suspending agent containing spirotetramat and a preparation method thereof, aiming at improving the low-temperature resistance of crops and reducing the stress of low temperature to the crops by spraying in advance.
On one hand, the invention provides a low-temperature resistant suspending agent containing spirotetramat, which is characterized by comprising the following components in percentage by mass: 15-20% of spirotetramat, 1-10% of antifreeze agent, 1-15% of dispersant, 1-5% of wetting agent, 0.1-5% of thickening agent, 0.2-1.5% of defoaming agent, 0.05-0.9% of mildew preventive, 0.1-2% of pH value regulator and the balance of water; the antifreeze agent is one or more of zinc sulfate, ferrous sulfate, calcium nitrate, magnesium nitrate, melatonin, pentaerythritol, glycerol, propylene glycol, glycerol, ethylene glycol and urea.
Further, the low-temperature resistant suspending agent containing spirotetramat also contains 10-15% flonicamid.
Further, the pesticide composition contains 15% of spirotetramat and 10% of flonicamid.
Further, the dispersant is one or the combination of more than one of polycarboxylate, alkyl naphthalene sulfonate, lignosulfonate and polyoxyethylene ether phosphate; the wetting agent is one or a combination of more than one of agricultural emulsion 602#, fatty alcohol-polyoxyethylene ether, EO/PO block copolymer and fatty alcohol-polyoxyethylene ether sulfate; the thickening agent is one or more of carboxyalkyl cellulose, magnesium aluminum silicate, xanthan gum, bentonite and attapulgite; the defoaming agent is one or the combination of more than one of organic silicon defoaming agent, mineral oil and polyether defoaming agent; the preservative is one or the combination of more than one of sodium benzoate, isothiazoline, formaldehyde and polyhydroxy propyl benzoate of sorbic acid; the pH regulator is one or more of diethanolamine, triethanolamine, sodium hydroxide and potassium hydroxide.
On the other hand, the invention provides a method for preparing the spirotetramat-containing low-temperature resistant suspending agent, which is characterized in that a wet grinding method is adopted, spirotetramat, optional flonicamid, an antifreeze agent, a dispersing agent, a wetting agent, a thickening agent, a defoaming agent, a mildew preventive, a pH value regulator and carrier water are stirred into uniform slurry, repeated circulating sanding is carried out through a horizontal sanding machine, and the product can be packaged after the particle size meets the requirement.
On the other hand, the invention provides the application of the prepared low-temperature resistant suspending agent containing spirotetramat in improving the low-temperature resistance of crops and relieving the cold injury stress of low temperature to the crops.
Further, the crops are one or more of field crops, vegetable crops and fruit tree crops.
Further wherein the crop is citrus.
Further, the content of proline and soluble sugar in the citrus leaf is increased.
The invention has the advantages that:
(1) the low-temperature resistant preparation is prepared by using the existing common pesticide spirotetramat, and has the advantages of simple preparation and controllable cost; (2) the spirotetramat, especially when used together with flonicamid, has obvious low temperature resistance effect when being applied in advance; (3) the actual using time is sufficiently separated from the fruit period and even the flowering phase, and the influence on food safety and bee is small.
Drawings
FIG. 1 is a graph comparing the typical behavior of leaves with the suspending agents of the present application with the typical behavior of leaves of a control group.
Detailed Description
The present invention is illustrated by the following specific examples for showing the objects, technical solutions and advantages of the present invention, but these examples do not limit the scope of the present invention, and the experimental studies conducted by the inventors are not limited to these examples (not shown for reasons of space).
Example 1
The low-temperature resistant suspending agent containing spirotetramat comprises the following components in percentage by mass:
15% of spirotetramat (active ingredient);
flonicamid 10% (effective component);
0.5 percent of zinc sulfate (antifreeze);
1% of calcium nitrate (antifreeze);
melatonin 0.5% (antifreeze);
1% glycerol (antifreeze);
6% of lignosulfonate (dispersant);
agricultural milk 602# (wetting agent) 3%;
xanthan gum (thickener) 2.5%;
1% of organic silicon defoaming agent (defoaming agent);
sodium benzoate (preservative) 0.5%;
1% of diethanolamine (pH regulator);
deionized water to make up 100%.
According to the formula, raw medicines and auxiliary agents are dispersed in water in a dispersion tank with a high-speed stirrer, and are fully crushed and mixed; then conveying the coarsely crushed mixture into a grinding mill by using a quantitative pump, and finely crushing; and mixing the thickening agent liquid, uniformly mixing the materials, and repeatedly and circularly sanding the materials by a horizontal sanding machine to prepare the low-temperature resistant suspending agent containing the spirotetramat.
Example 2
The low-temperature resistant suspending agent containing spirotetramat comprises the following components in percentage by mass:
15% of spirotetramat (active ingredient);
flonicamid 10% (effective component);
ferrous sulfate 1% (antifreeze);
0.5% of magnesium nitrate (antifreeze);
pentaerythritol 1% (antifreeze);
urea 1.5% (antifreeze);
glycerol 0.5% (antifreeze);
6% of lignosulfonate (dispersant);
agricultural milk 602# (wetting agent) 3%;
xanthan gum (thickener) 2.5%;
1% of organic silicon defoaming agent (defoaming agent);
sodium benzoate (preservative) 0.5%;
1% of diethanolamine (pH regulator);
deionized water to make up 100%.
According to the formula, raw medicines and auxiliary agents are dispersed in water in a dispersion tank with a high-speed stirrer, and are fully crushed and mixed; then conveying the coarsely crushed mixture into a grinding mill by using a quantitative pump, and finely crushing; and mixing the thickening agent liquid, uniformly mixing the materials, and repeatedly and circularly sanding the materials by a horizontal sanding machine to prepare the low-temperature resistant suspending agent containing the spirotetramat.
Example 3
The low-temperature resistant suspending agent containing spirotetramat comprises the following components in percentage by mass:
15% of spirotetramat (active ingredient);
flonicamid 10% (effective component);
1% of zinc sulfate (antifreeze);
ferrous sulfate 0.8% (anti-freeze agent);
propylene glycol 1.5% (antifreeze);
2% of ethanol (antifreeze);
6% of lignosulfonate (dispersant);
agricultural milk 602# (wetting agent) 3%;
xanthan gum (thickener) 2.5%;
1% of organic silicon defoaming agent (defoaming agent);
sodium benzoate (preservative) 0.5%;
1% of diethanolamine (pH regulator);
deionized water to make up 100%.
According to the formula, raw medicines and auxiliary agents are dispersed in water in a dispersion tank with a high-speed stirrer, and are fully crushed and mixed; then conveying the coarsely crushed mixture into a grinding mill by using a quantitative pump, and finely crushing; and mixing the thickening agent liquid, uniformly mixing the materials, and repeatedly and circularly sanding the materials by a horizontal sanding machine to prepare the low-temperature resistant suspending agent containing the spirotetramat.
Example 4
The effective component is 15% of spirotetramat, and the rest components and the preparation method are the same as example 1.
Example 5
The effective component is 10% flonicamid, and the rest components and the preparation method are the same as example 1.
Example 6
The effective component is 18% of spirotetramat, and the rest components and the preparation method are the same as example 1.
Example 7
The effective ingredients are 15% of spirotetramat and 5% of flonicamid, and the rest ingredients and the preparation method are the same as example 1.
Example 8
An indoor test for determining the low temperature resistance of citrus seedlings using the suspending agents of examples 1-7 of the present invention was as follows:
1. orange varieties: citron fruit
2. Test site: institute of sixty-fold
3. Test materials: the citrus seedlings to be tested are all bred by commercially available seeds. Preheating citrus stock seeds in a water bath kettle at 50 ℃ for 5min, adjusting the temperature to 56 ℃, soaking for 50min, airing, and placing the seeds in a seedling tray for soil culture. And then placing the seedling raising tray in a climatic incubator (25 ℃), germinating the seeds for about 25 days, transferring the seedlings to a plastic cup (with the diameter of 10cm) for continuous growth when the seedlings grow to be seedlings (2-3 leaves), and performing test treatment on the seedlings with similar growth vigor after 80-90 days.
4. The test method comprises the following steps: grouping the seedlings which grow robustly and uniformly in consistent growth, placing the grouped seedlings in a low-temperature freezer at-7 ℃, reducing the temperature to a set temperature at a speed of reducing the temperature by 2 ℃ every 1h, and then freezing for 36 h; after freezing treatment, cutting the citrus leaves of each treatment group into strips with similar sizes, wherein one part is used for directly measuring indexes such as fresh weight, dry weight, relative conductivity and the like, and the other materials are wrapped by tinfoil paper, labeled and stored in a refrigerator at the temperature of minus 80 ℃ for later use. Fresh weight and dry weight are measured for 5 times, 1 seedling is selected for each time, and index measurement adopts 3 times of repetition.
5. And (3) test treatment: the suspending agent prepared in the embodiment 1-3, a blank control for spraying clear water, and spraying in advance before test treatment, wherein the spraying concentration is as follows: 1500-fold liquid suspension of the suspensions obtained in examples 1 to 3.
6. And (3) test results: the fresh weight and the dry weight of the plant are indexes directly reflecting the growth condition of the plant, the content of proline and soluble sugar which are osmoregulation substances is an expression index of the low temperature resistance of the crop, and the higher the two indexes are, the better the two indexes are. As can be seen from table 1, the suspending agents of examples 1 to 4, 6 and 7 can greatly improve the low temperature resistance of crops compared with the blank control, and particularly, the effect of examples 1 and 3 is most significant, but the effect of only using flonicamid is not obvious.
TABLE 1 Citrus seedling Low temperature resistance results
Figure BDA0002458437430000071

Claims (9)

1. The low-temperature resistant suspending agent containing spirotetramat is characterized by comprising the following components in percentage by mass: 15-20% of spirotetramat, 1-10% of antifreeze agent, 1-15% of dispersant, 1-5% of wetting agent, 0.1-5% of thickening agent, 0.2-1.5% of defoaming agent, 0.05-0.9% of mildew preventive, 0.1-2% of pH value regulator and the balance of water; the antifreeze agent is one or more of zinc sulfate, ferrous sulfate, calcium nitrate, magnesium nitrate, melatonin, pentaerythritol, glycerol, propylene glycol, glycerol, ethylene glycol and urea.
2. The anti-low temperature suspending agent containing spirotetramat according to claim 1, further comprising flonicamid 10-15%.
3. The anti-low temperature suspending agent containing spirotetramat according to claim 1 or 2, wherein the spirotetramat comprises 15% and the flonicamid comprises 10%.
4. The spirotetramat-containing anti-low temperature suspension agent as claimed in any one of claims 1-3, wherein the dispersant is one or more of polycarboxylate, alkyl naphthalene sulfonate, lignosulfonate and polyoxyethylene ether phosphate; the wetting agent is one or a combination of more than one of agricultural emulsion 602#, fatty alcohol-polyoxyethylene ether, EO/PO block copolymer and fatty alcohol-polyoxyethylene ether sulfate; the thickening agent is one or more of carboxyalkyl cellulose, magnesium aluminum silicate, xanthan gum, bentonite and attapulgite; the defoaming agent is one or the combination of more than one of organic silicon defoaming agent, mineral oil and polyether defoaming agent; the preservative is one or the combination of more than one of sodium benzoate, isothiazoline, formaldehyde and polyhydroxy propyl benzoate of sorbic acid; the pH regulator is one or more of diethanolamine, triethanolamine, sodium hydroxide and potassium hydroxide.
5. A method for preparing the spirotetramat-containing low-temperature resistant suspending agent as defined in any one of claims 1-4, wherein the spirotetramat, optional flonicamid, antifreeze agent, dispersant, wetting agent, thickener, defoamer, mildewproof agent, pH regulator and carrier water are stirred into uniform slurry by wet grinding method, and the slurry is repeatedly and circularly sanded by a horizontal sand mill, and the product can be packaged after the grain size reaches the requirement.
6. Use of the spirotetramat-containing low temperature resistant suspending agent according to any one of claims 1-4 for improving low temperature resistance of crops and reducing freezing damage stress of low temperature to crops.
7. The use of claim 6, wherein the crop is one or a combination of more than one of a field crop, a vegetable crop, a fruit tree crop.
8. Use according to claim 7, wherein the crop is citrus.
9. Use according to claim 8, wherein the proline and soluble sugar content in citrus leaves is increased.
CN202010313113.2A 2020-04-20 2020-04-20 Low-temperature-resistant suspending agent containing spirotetramat and preparation method thereof Pending CN111328819A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113508819A (en) * 2021-08-10 2021-10-19 永农生物科学有限公司 Flonicamid-spirotetramat mixed preparation and application thereof
CN115956567A (en) * 2022-10-10 2023-04-14 上海生农生化制品股份有限公司 Flonicamid-spirotetramat insecticidal composition and application thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102578121A (en) * 2011-12-19 2012-07-18 河南金田地农化有限责任公司 Pesticide insecticidal and acaricidal composition containing spiroteramat

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102578121A (en) * 2011-12-19 2012-07-18 河南金田地农化有限责任公司 Pesticide insecticidal and acaricidal composition containing spiroteramat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113508819A (en) * 2021-08-10 2021-10-19 永农生物科学有限公司 Flonicamid-spirotetramat mixed preparation and application thereof
CN115119837A (en) * 2021-08-10 2022-09-30 永农生物科学有限公司 Flonicamid-spirotetramat mixed preparation and application thereof
CN115119837B (en) * 2021-08-10 2023-12-26 永农生物科学有限公司 Flonicamid-spirotetramat mixed preparation and application thereof
CN115956567A (en) * 2022-10-10 2023-04-14 上海生农生化制品股份有限公司 Flonicamid-spirotetramat insecticidal composition and application thereof

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