CN112042638A - Pesticide preparation for preventing and treating mealybugs in pineapple - Google Patents
Pesticide preparation for preventing and treating mealybugs in pineapple Download PDFInfo
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- CN112042638A CN112042638A CN202010976386.5A CN202010976386A CN112042638A CN 112042638 A CN112042638 A CN 112042638A CN 202010976386 A CN202010976386 A CN 202010976386A CN 112042638 A CN112042638 A CN 112042638A
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- Prior art keywords
- mealybugs
- buprofezin
- mineral oil
- pineapple
- pesticide
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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
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/88—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with three ring hetero atoms
-
- 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
- A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
- A01N61/02—Mineral oils; Tar oils; Tar; Distillates, extracts or conversion products thereof
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Zoology (AREA)
- Dentistry (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of pesticide research and development, and particularly relates to a pesticide preparation for preventing and treating mealybugs in pines and application thereof. A pesticide preparation for preventing and treating mealybugs is a suspoemulsion, and active ingredients comprise buprofezin and mineral oil; and the mass ratio of the buprofezin to the mineral oil is 1:20-10: 1. The pesticide preparation is used for preventing and treating the mealybugs with pines. The pesticide preparation of the invention shows different biological activities on the mealybugs and has a synergistic effect on the mealybugs when the ratio of the buprofezin to the mineral oil is 1:10-1: 5.
Description
Technical Field
The invention belongs to the technical field of pesticide research and development, and particularly relates to a pesticide preparation for preventing and treating mealybugs in pines and application thereof.
Background
The pineapple mealy bug also known as mealy bug in pineapple is in homoptera and family of mealy bug and widely distributed in pineapple producing areas in the world. According to the report of scholars in hawaii, there are 2 kinds of mealybugs harmful to pineapples, namely, pineapple mealybugs and new pineapple gray mealybugs. In China, the pink plumepoppy coccineus is a reported pest to pineapple, while the pink plumepoppy coccineus is not a reported pest to pineapple, but the pink plumepoppy coccineus has developed into a main pest of sisal hemp in Guangdong and Hainan in recent years. The scale of pineapple is parasitic on the base, fruit, bud and root of pineapple leaf, and the juice is absorbed by thorns, so that the pineapple plant is weak in growth and poor in fruit development. Meanwhile, the pineapple mealybugs (pineapple mealybugs and new pineapple gray mealybugs) are important diseases of pineapples and are also main propagation vectors of pineapple wilting diseases.
The pesticide provided by the invention can effectively prevent and treat the pineapple mealybugs, and further achieve the purpose of controlling the pineapple wilting disease by preventing and treating transmission media.
Disclosure of Invention
The invention particularly relates to a pesticide preparation for preventing and treating pineapple mealybugs and application thereof.
The technical scheme provided by the invention is as follows:
a pesticide preparation for preventing and treating mealybugs of pineapple is a suspoemulsion, and active ingredients of the pesticide preparation comprise buprofezin and mineral oil; and the mass ratio of the buprofezin to the mineral oil is 1:20-10: 1.
Preferably, the pesticide preparation has the mass ratio of the buprofezin to the mineral oil of 1:10-1: 5.
Preferably, the pesticide preparation further comprises other auxiliary materials: one or more of wetting agent, dispersant, emulsifier, thickener, antifreeze, defoamer and deionized water.
Preferably, the pesticide preparation contains 5-60% of active ingredients in percentage.
Preferably, the pesticide preparation contains 10-50% of active ingredients in percentage.
The invention also provides application of the pesticide preparation in preventing and treating the mealybugs with pines.
Compared with the prior art, the invention has the following beneficial effects:
(1) the buprofezin and the mineral oil in the pesticide preparation for preventing and treating the mealybugs exhibit different biological activities when used in combination, and the buprofezin and the mineral oil have a ratio of 1:10-1:5, so that a synergistic effect is exhibited on the mealybugs; when the ratio of buprofezin to mineral oil is 1:1-10:1 and 1:20, the buprofezin and mineral oil have additive effect on the mealybugs in pineapple.
(2) The suspension emulsion prepared by the invention has excellent preparation performance.
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 only for illustrating the present invention and should not be taken as limiting the invention as detailed in the claims.
Example 1: toxicity determination of compound composition on Pinebeia
A test insect source: the mealybugs with pineapple function are collected from the field, cultured indoors until the next generation, and the mealybugs with basically consistent development are selected as the insect source to be tested.
Reagent to be tested: buprofezin technical (content 95%) and mineral oil (content 95%) are all sold in the market.
The test method comprises the following steps: selecting leaves with the same size, using a writing brush tip to remove other insect states, keeping healthy and uniform-age insects to be tested, selecting the insects to be tested into a culture dish with the diameter of 9cm, using a dipping method, using tweezers to clamp the leaves with the mealybugs to be dipped into the liquid medicine for 10s, taking out the insects, using absorbent paper to absorb the liquid medicine on the leaves, slightly drying the insects in the air, transferring the insects into the culture dish paved with filter paper, sealing the insects with a preservative film with small holes, placing 30-40 heads of each dish in an artificial climate box for feeding, and observing and recording the death number of the mealybugs 7d after the insects are fed. The death criterion is that the body color of the insect is dark black and shriveled or the insect is not reacted by using a writing brush to lightly touch the body of the insect and is regarded as death. The test was repeated 3 times and a clear water control was set.
The calculation method comprises the following steps: parameters such as virulence regression equation, lethal medium concentration LC50, correlation coefficient and CTC are calculated by Excel.
Corrected mortality (%) (control survival-treatment survival)/control survival × 100.
The test results are shown in Table 1.
Table 1 determination of toxicity and combined effect of compound composition on Pineberga
As can be seen from Table 1, the buprofezin and the mineral oil which are used in combination show different biological activities to the mealybugs, and when the ratio of the buprofezin to the mineral oil is 1:10-1:5, the buprofezin and the mineral oil have synergistic effect to the mealybugs; when the ratio of buprofezin to mineral oil is 1:1-10:1 and 1:20, the buprofezin and mineral oil have additive effect on the mealybugs in pineapple.
Example 2: preparation of buprofezin pesticide suspoemulsion
48% buprofezin mineral oil suspoemulsion
8% of buprofezin, 40% of mineral oil, 5% of calcium lignosulfonate, 3% of nekal, 600# 4% of agricultural milk, 1601# 7% of agricultural milk, 3% of acacia, 2% of ethylene glycol, 1% of organic silicon and the balance of deionized water to 100%.
The preparation method comprises the following steps:
preparation of a suspension phase: mixing buprofezin, a wetting agent, a dispersing agent, an antifreezing agent, a defoaming agent and part of deionized water uniformly, and performing secondary sanding by using a sanding machine to ensure that the particle size is less than or equal to 5 microns;
preparing an aqueous emulsion phase: mixing mineral oil and emulsifier uniformly, adding into water, and shearing in a high-speed shearing machine for 10-30min to form O/W line emulsion;
mixing the suspension phase with the water emulsion phase, shearing in a high-speed shearing machine for re-emulsification, adding the thickening agent, and stirring at low speed to obtain the suspending emulsion.
② 33 percent buprofezin mineral oil suspoemulsion
3% of buprofezin, 30% of mineral oil, 2% of calcium lignosulfonate, 7% of NNO, 1601# 8% of agricultural emulsion, 2% of xanthan gum, 2% of ethylene glycol, 0.5% of organic silicon and the balance of deionized water to 100%.
The preparation method comprises the following steps:
preparation of a suspension phase: mixing buprofezin, a wetting agent, a dispersing agent, an antifreezing agent, a defoaming agent and part of deionized water uniformly, and performing secondary sanding by using a sanding machine to ensure that the particle size is less than or equal to 5 microns;
preparing an aqueous emulsion phase: mixing mineral oil and emulsifier uniformly, adding into water, and shearing in a high-speed shearing machine for 10-30min to form O/W line emulsion;
mixing the suspension phase with the water emulsion phase, shearing in a high-speed shearing machine for re-emulsification, adding the thickening agent, and stirring at low speed to obtain the suspending emulsion.
Example 3: determination of physical and chemical Properties of suspoemulsion
The method for measuring each performance index of the product refers to the requirements of the suspoemulsion and the related national standard in FAO and WHO pesticide standard formulation and use manual.
The content of active ingredients is as follows: measuring by an HPLC method;
pourability: performed as CIPACMT 148.1;
wet sieve experiment: according to GB/T16150-1995;
dispersion stability: performed as CIPACMT 180;
heat storage stability: according to GB/T19136-2003;
cold storage stability: according to GB/T19137-2003.
TABLE 2 determination of the physicochemical Properties of the suspoemulsions
As can be seen from table 2, the performance indexes of the 48% buprofezin-mineral oil suspoemulsion and the 33% buprofezin-mineral oil suspoemulsion prepared in example 2 all meet the requirements and relevant national standards for suspoemulsions in FAO and WHO pesticide standards institute and instruction manual.
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 (6)
1. The pesticide preparation for preventing and treating the mealybugs is characterized in that the pesticide preparation is a suspoemulsion, and the active ingredients of the pesticide preparation comprise buprofezin and mineral oil; and the mass ratio of the buprofezin to the mineral oil is 1:20-10: 1.
2. Pesticide formulation according to claim 1, characterized in that the mass ratio of buprofezin to mineral oil is from 1:10 to 1: 5.
3. The pesticide formulation as set forth in claim 1 further comprising one or more of a wetting agent, a dispersing agent, an emulsifier, a thickener, an antifreeze, an antifoaming agent and deionized water.
4. The pesticide formulation as set forth in claim 3 wherein the active ingredient is present in an amount of 5 to 60% by weight.
5. The pesticide formulation as set forth in claim 4 wherein the active ingredient is present in an amount of 10 to 50% by weight.
6. Use of the pesticidal formulation according to any one of claims 1 to 5 for controlling mealybugs pineapple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976386.5A CN112042638A (en) | 2020-09-16 | 2020-09-16 | Pesticide preparation for preventing and treating mealybugs in pineapple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976386.5A CN112042638A (en) | 2020-09-16 | 2020-09-16 | Pesticide preparation for preventing and treating mealybugs in pineapple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112042638A true CN112042638A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010976386.5A Pending CN112042638A (en) | 2020-09-16 | 2020-09-16 | Pesticide preparation for preventing and treating mealybugs in pineapple |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792153A (en) * | 2005-12-21 | 2006-06-28 | 金中北 | Mineral oil micro-emulsion insecticide |
| CN101455204A (en) * | 2007-12-12 | 2009-06-17 | 通化绿地农药化学有限公司 | Benzoyl urea insecticide and buprofezin compound preparation |
| CN104351265A (en) * | 2014-09-29 | 2015-02-18 | 胡伟东 | Special pesticide for pear trees and preparation method of pesticide |
| CN111248022A (en) * | 2020-02-28 | 2020-06-09 | 重庆三峡农业科学院(重庆市万州区甘宁蚕种场) | Disease and pest control method for new-line fruit trees of blood oranges in taluoke |
-
2020
- 2020-09-16 CN CN202010976386.5A patent/CN112042638A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792153A (en) * | 2005-12-21 | 2006-06-28 | 金中北 | Mineral oil micro-emulsion insecticide |
| CN101455204A (en) * | 2007-12-12 | 2009-06-17 | 通化绿地农药化学有限公司 | Benzoyl urea insecticide and buprofezin compound preparation |
| CN104351265A (en) * | 2014-09-29 | 2015-02-18 | 胡伟东 | Special pesticide for pear trees and preparation method of pesticide |
| CN111248022A (en) * | 2020-02-28 | 2020-06-09 | 重庆三峡农业科学院(重庆市万州区甘宁蚕种场) | Disease and pest control method for new-line fruit trees of blood oranges in taluoke |
Non-Patent Citations (2)
| Title |
|---|
| 廖文月，覃伟，吴述勇主编: "《现代柑橘种植实用技术问答》", 31 March 2019 * |
| 黄良炉: "中国农业科学院柑桔研究所柑桔螨类、蚧类及实蝇类害虫研究概略 ", 《中国果业信息》 * |
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Application publication date: 20201208 |