CN107410327A - A kind of method for preventing and treating rice hoppers - Google Patents
A kind of method for preventing and treating rice hoppers Download PDFInfo
- Publication number
- CN107410327A CN107410327A CN201710692698.1A CN201710692698A CN107410327A CN 107410327 A CN107410327 A CN 107410327A CN 201710692698 A CN201710692698 A CN 201710692698A CN 107410327 A CN107410327 A CN 107410327A
- Authority
- CN
- China
- Prior art keywords
- pymetrozine
- methyl jasmonate
- rice
- pesticidal preparations
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/707—1,2,3- or 1,2,4-triazines; Hydrogenated 1,2,3- or 1,2,4-triazines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
-
- 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
- A01N37/42—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 within the same carbon skeleton a carboxylic group or a thio analogue, or a derivative thereof, and a carbon atom having only two bonds to hetero atoms with at the most one bond to halogen, e.g. keto-carboxylic acids
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Zoology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to it is a kind of prevent and treat rice hoppers method, by active component be pymetrozine, methyl jasmonate pesticidal preparations mix, be watered and be uniformly sprayed on aggrieved rice plant afterwards, to blade moistening be defined.In described pesticidal preparations, the weight ratio 5 20 of pymetrozine and methyl jasmonate:1.Synergistic of the present invention is obvious, can effectively control the harm of water rice hopper, reduces Pesticide use amount, improves prevention effect, so as to reduce harmful effect and the residues of pesticides to environment, is advantageous to delay pest resistance to develop.
Description
Technical field
The present invention relates to agricultural technology field, specifically a kind of method for preventing and treating rice hoppers.
Background technology
Planthopper is one of primary pest of rice, and planthopper is caused harm to rice, except directly thorn inhales juice, makes growth
It is obstructed, rice clump is agglomerating withered when serious, or even the dead stalk lodging in full field is outer, and spawning can also stab plant, destroy conducting tissue, hinder
Nutriment transport and transmitted virus disease.
Chemical prevention is always to prevent and treat the Main Means of planthopper, still, the subject matter that chemical prevention for many years faces
One of be insect resistance problem.Generation is more, breeding amount is big, the insect antibody rate of climb of generation overlap is fast, planthopper, leaf
Cicada, aleyrodid etc. are exactly such insect.At present, many local brown paddy plant hoppers in China produce high-level resistance to imidacloprid class.
Therefore how effectively preventing rice hoppers be a reality and it is urgent the problem of.
Pymetrozine, English name:Pymetrozine, belong to pyridines or Triazinone insecticide, have and block insect to pass poison
Function and action of contace poison, insect can be made to produce lancet blocking effect, while also systemic activity.Can be wooden in plant
Portion conducts, and can also be conducted in bast, therefore both can be used as foliar spray.There is preferable prevention effect to water rice hopper.
Methyl jasmonate (Methyl Jasmonate, abbreviation JA_Me), it is the derivative of a kind of aliphatic acid, is present in height
Deng the endogenous growth regulators matter in plant.Jasmonic is a kind of hormone, is prevalent in various plants, is had extensive
Physiological function, it is the signal of pathogen, exciton (elicitor) and wound (wounding) inducing plant defense gene expression
Molecule, and itself can also be used as exciton.Methyl jasmonate is applied to the report that planthopper has had correlation, such as Wu Ying
What jade-like stone, Huang Fengkuan et al. was delivered《To the Resistence research of brown paddy plant hopper after methyl jasmonate inducing paddy rice》, show rice through jasmonic
After methyl esters induction resistance, inducing paddy rice plant generation system defense reaction can be produced to brown paddy plant hopper.
The preventing and treating on being used for planthopper with pymetrozine and the composition of methyl jasmonate mixture there is no relevant report at present.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of high-efficiency low-toxicity, lasting period length, and mu cost is low, can be effective
The method for preventing and treating rice hoppers.
The present invention solves above-mentioned technical problem and adopted the technical scheme that:A kind of method for preventing and treating rice hoppers, will
Active component is pymetrozine, the pesticidal preparations of methyl jasmonate mix, and is watered and is uniformly sprayed on aggrieved rice plant afterwards
On, it is defined to blade moistening.
The weight of described pesticidal preparations, pymetrozine and methyl jasmonate compares 5-20:1, it is preferred that pymetrozine and jasmonic
The weight ratio of methyl esters is 10:1.
Described pesticidal preparations, pymetrozine are 10-50% in the percentage by weight of pesticidal preparations, and methyl jasmonate is in agricultural chemicals
The percentage by weight of preparation is 0.5-5.0%.
Described pesticidal preparations add corresponding adjuvant according to method known in those skilled in the art, can be agriculturally
Acceptable suspending agent or water dispersible granules.
The invention has the advantages that and remarkable result:Two active ingredients of the invention are with rational weight than mixture, collaboration
Synergy is obvious, reduces Pesticide use amount, prevention effect is improved, so as to reduce harmful effect and the residues of pesticides to environment;Have
Beneficial to delaying pest resistance to develop, extend the life cycle of pymetrozine.
Embodiment
Below in conjunction with the indoor joint toxicity measuring test and field medicine effect test for determining biocidal activity to the present invention's
Technical scheme and technique effect are described further, and percentage of the present invention is weight percentage.
First, biological activity determination is tested
Embodiment 1:Pymetrozine, methyl jasmonate and its mixture are to Brown Planthopper Toxicity Determination
For trying object:Brown Planthopper (Nilaparvata lugens (Stal)):Pick up from Nanning, indoor feeding
Two generations.
Test method:Reference《People's Republic of China (PRC) agricultural industry criteria NY/T 1154.11-2008》, soaked using rice stem
Stain method.Extract with root stalwartness tillering stage to booting initial stage rice strain, clean, be cut into 15cm length band root rice stem, 3 plants one group,
Dried in the air in shady place to surface without washmarking.Rice stem is soaked into 30s in the medicament diluted respectively, it is de- with what is soaked after taking-up is dried
Fat cotton encases root and is put into culture cup, draws 3 age mid-term nymphs and is put into culture cup, 20 every glass, if leaching clear water is blank
Control, each concentration are repeated 3 times.Handle rearmounted temperature be 27 DEG C, photoperiod 16h:8h(L:D raised in incubator), 5 days
After check death toll.
Insect corrected mortality is converted into probit value (y), concentration for the treatment of (μ g/ml) is converted into logarithm value (x), with minimum
Square law draws virulence regression equation, and the co-toxicity coefficient method (CTC) proposed using nineteen sixties such as Sun Yunpei is mixed to evaluate the two
Synergistic effect, i.e., as co-toxicity coefficient (CTC) >=120, composition shows as synergistic effect;As CTC≤80, composition table
It is now antagonism;As 80 < CTC < 120, composition shows as summation action, and the calculation formula of co-toxicity coefficient is as follows:
Survey toxicity index (ATI)=(standard agent LC50/ reagent agent LC50)×100
In theoretical toxicity index (TTI)=A medicaments ATI × mixture in A percentage composition+B medicaments ATI × mixture B hundred
Divide content
Co-toxicity coefficient (CTC)=(mixture ATI/ mixture TTI) × 100
Result of the test is shown in Table 1.
The pymetrozine of table 1, methyl jasmonate and its mixture are to planthopper joint toxicity measuring table
Reagent agent | Proportioning | LC50(mg/L) | Survey toxicity index | Theoretical toxicity index | Co-toxicity coefficient (CTC) |
Pymetrozine (A) | / | 1.14 | 722.95 | / | / |
Methyl jasmonate (B) | / | 8.26 | 100.00 | / | / |
A:B | 5:1 | 1.08 | 761.35 | 619.13 | 123.0 |
A:B | 8:1 | 0.92 | 895.67 | 653.74 | 137.0 |
A:B | 10:1 | 0.69 | 1195.25 | 666.32 | 179.4 |
A:B | 12:1 | 0.81 | 1013.40 | 675.03 | 150.1 |
A:B | 15:1 | 0.88 | 942.16 | 684.02 | 137.7 |
A:B | 18:1 | 0.92 | 896.21 | 690.17 | 129.9 |
A:B | 20:1 | 0.91 | 904.86 | 693.29 | 130.5 |
A:B | 1:1 | 1.76 | 469.83 | 411.48 | 114.2 |
A:B | 1:10 | 6.72 | 122.93 | 156.63 | 78.5 |
The experiment of the Toxicity Determination of table 1 shows that pymetrozine and methyl jasmonate are 5-20 in weight ratio:Mixed in the range of 1
The co-toxicity coefficient (CTC) of pairing planthopper is all higher than 120, has synergistic function, when pymetrozine and methyl jasmonate are weighing
Amount is than being 10:When 1, co-toxicity coefficient 179.4 advantageously reduces pesticide dosage, there is good guiding value in field test.
2nd, preparation prepares embodiment
Embodiment 1:22% pymetrozine methyl jasmonate suspending agent
Formula:Pymetrozine 20%, methyl jasmonate 2.0%, alkyl phenol formaldehyde resin polyoxyethylene ether 2.5% are weighed according to quantity
(dispersant), alkylphenol-polyethenoxy base ether phosphate 1.5% (wetting agent), 2.5% polyvinyl alcohol (thickener), organosilicon
0.2% (defoamer), deionized water complements to 100%.
Embodiment 2:30% pymetrozine methyl jasmonate suspending agent
Formula:Pymetrozine 25%, methyl jasmonate 5%, alkylaryl polyoxyethylene polyoxypropylene ether again 2.0% are weighed according to quantity
(dispersant), poly- naphthalene formaldehyde sulfonate 3.5% (wetting agent), ethylene glycol 2.5% (antifreeze), xanthans 0.8% (thickener),
Organosilicon 0.3% (defoamer), deionized water complements to 100%.
Embodiment 3:10.5% pymetrozine methyl jasmonate suspending agent
Formula:Pymetrozine 10.0%, methyl jasmonate 0.5%, alkylaryl polyoxyethylene polyoxypropylene ether again are weighed according to quantity
1.8% (dispersant), poly- naphthalene formaldehyde sulfonate 3.5% (wetting agent), ethylene glycol 1.5% (antifreeze), xanthans 0.8%,
0.3% organic silicon defoamer, deionized water complement to 100%.
Embodiment 1-3 preparation method is:Each component is well mixed in the ratio of formula, after ground and high speed shear
It is suspending agent to produce containing pymetrozine methyl jasmonate composition, formulation.
Embodiment 4:52.5% pymetrozine methyl jasmonate water dispersible granules
Formula:Weigh according to quantity pymetrozine 50.0%, methyl jasmonate 2.5%, dodecylbenzene sodium sulfonate 4% (wetting agent),
Alkylnaphthalene sulfonate formaldehyde condensation products 10% (dispersant), attapulgite (filler) complement to 100%.
Embodiment 5:35.0% pymetrozine methyl jasmonate water dispersible granules
Formula:Pymetrozine 33%, methyl jasmonate 2.0%, dodecylbenzene sodium sulfonate 3% (wetting agent), alkane are weighed according to quantity
Base naphthalenesulfonate formaldehyde condensation compound 8% (dispersant), diatomite (filler) complement to 100%.
Embodiment 4-5 preparation method is:By formula rate, by active ingredient pymetrozine, methyl jasmonate and wetting agent,
Dispersant is added in carrier, is well mixed, after air-flow crushing plus 10~25% water, then through mediating, being granulated, drying, sieving
Divide obtained water dispersible granules product, formulation is water dispersible granules.
3rd, crop field test examples
Embodiment 1:The preparation (22% pymetrozine methyl jasmonate suspending agent) for preparing the gained of embodiment 1 flies to rice rice
The field control effectiveness test of lice
Test reference《Pesticide field efficacy medicine test criterion (one) insecticide control water rice hopper (GB/T 17980.4-
2000)》
Profile test:Test and implement in the morning on October 23rd, 2015 in the rice terrace of Nanning suburbs, on the day of dispenser
It is fine, 23~31 DEG C of temperature, 2 grades of southeaster, the non-rainfalls of 4d after medicine.Test medicine dilutes medicament using 2 dilution methods,
Each cell is watered even spraying by regulation with 45kg/ mus.Rice is on the occasion of boot stage during dispenser, and planthopper is white backed planthopper and brown flown
(wherein white backed planthopper accounts for 25%, 75%) brown paddy plant hopper accounts for ,/clump of worm amount 20~35, if in 2~3 ages for lice mixing generation
Worm full incidence period.
Test medicine:To prepare medicament used in the preparation as processing 1# of the gained of embodiment 1;With 5% pymetrozine suspension agent
For medicament used in processing 2#;Using 5% methyl jasmonate suspending agent as medicament used in processing 3#;And a blank control (CK) is set
Investigation method:Investigate at 10 points using parallel jump method per cell, 2 clumps every, totally 20 clumps, insect population base is investigated before medicine
Count, 3,14d investigates residual worm amount respectively after medicine, calculates prevention effect, and calculation formula is as follows:
In formula:PT0Borer population before-chemicals treatment district medicine;PT1:Borer population after chemicals treatment district medicine;CK0:Before blank district medicine
Borer population;CK1:Borer population after blank district medicine.
Result of the test is shown in Table 2.
The pymetrozine methyl jasmonate suspending agent of table 2 22% prevents and treats the field test statistical form of planthopper
Table 2 is as can be seen that handle 1# in the case where active ingredient dosage is respectively smaller than processing 2#, processing 3#, after medicine
3rd, 14d is better than processing 2# and processing 3# to the preventive effect of planthopper.The rational mixture pair of this explanation pymetrozine and methyl jasmonate
Planthopper synergy is notable, advantageously reduces the amount of application and times for spraying of each single dose, to delaying water rice hopper resistance and reducing anti-
Controlling cost has positive effect.This experiment, all medicaments of participating in the experiment have no adverse effects to paddy growth, to rice seedling safety.
Claims (4)
- A kind of 1. method for preventing and treating rice hoppers, it is characterised in that by the agricultural chemicals that active component is pymetrozine, methyl jasmonate Preparation mixes, and is watered and is uniformly sprayed on aggrieved rice plant afterwards, is defined to blade moistening;Described pesticidal preparations, The weight of pymetrozine and methyl jasmonate compares 5-20:1.
- 2. according to the method for claim 1, it is characterised in that the weight of pymetrozine and methyl jasmonate ratio is 10:1.
- 3. method according to claim 1 or 2, it is characterised in that pymetrozine is 10- in the percentage by weight of pesticidal preparations 50%, methyl jasmonate is 0.5-5.0% in the percentage by weight of pesticidal preparations.
- 4. according to the method described in claim 1-3 any one, it is characterised in that described pesticidal preparations are suspending agent or water Dispersible granule.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710692698.1A CN107410327A (en) | 2017-08-14 | 2017-08-14 | A kind of method for preventing and treating rice hoppers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710692698.1A CN107410327A (en) | 2017-08-14 | 2017-08-14 | A kind of method for preventing and treating rice hoppers |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107410327A true CN107410327A (en) | 2017-12-01 |
Family
ID=60437102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710692698.1A Pending CN107410327A (en) | 2017-08-14 | 2017-08-14 | A kind of method for preventing and treating rice hoppers |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107410327A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110178670A (en) * | 2019-06-19 | 2019-08-30 | 武汉禾泰青生物科技有限公司 | A kind of identification method of rice to brown paddy plant hopper tolerance |
-
2017
- 2017-08-14 CN CN201710692698.1A patent/CN107410327A/en active Pending
Non-Patent Citations (5)
Title |
---|
农业部种植业管理司,全国农业技术推广服务中心: "《农作物病虫害专业化统防统治培训指南》", 30 September 2013, 中国农业出版社 * |
刘少辉,刘苗娜,张友驰,陈充鹏,陈雪芸,蔡锐淳: "吡蚜酮防治水稻稻飞虱的药效试验", 《农业研究与应用》 * |
吴莹莹,黄凤宽,韦素美,黄所生,吴碧球: "茉莉酸甲酯诱导水稻后对褐飞虱的抗性研究", 《广西农业科学》 * |
朱红,王云,潘玲: "几种药剂防治稻飞虱药效试验简报", 《上海农业科技》 * |
邓继珠: "50%吡蚜酮水分散粒剂等药剂对水稻飞虱防治效果初探", 《上海农业科技》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110178670A (en) * | 2019-06-19 | 2019-08-30 | 武汉禾泰青生物科技有限公司 | A kind of identification method of rice to brown paddy plant hopper tolerance |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101589722A (en) | Insecticides of a kind of chloride worm benzamide and its production and use | |
CN105076185B (en) | The Pesticidal combination and its preparation and application of a kind of capillary and anabasine insecticide | |
CN101380008A (en) | Disinsection composition with synergistic action | |
CN101700039A (en) | Rynaxypyr and dursban insecticidal composition | |
CN101669514A (en) | Synergistic pesticide composition | |
CN105532698B (en) | Composition and its application containing four chlorantraniliproles and process for preparation of benzoylurea compounds | |
CN102362601A (en) | Insecticidal composition containing spinetoram and lythidathion | |
CN101406195B (en) | Composition containing ethiprole and avermectin with synergistic disinsection function | |
CN102484996B (en) | Synergy composition for matrine and tetronic acid pesticides | |
CN101617676B (en) | Pesticide compound | |
CN107410327A (en) | A kind of method for preventing and treating rice hoppers | |
CN101700034B (en) | Pesticide composition | |
CN108208015A (en) | A kind of agricultural chemicals suspension agent and its preparation method and application | |
CN110495463B (en) | Synergistic pesticide composition containing trifluoro-benzene pyrimidine and application thereof | |
CN102017948B (en) | Synergistic pesticide combination containing nitenpyram and pyridalyl and application of combination | |
CN105532680A (en) | Efficient compound pesticide composition containing trifluoro-benzene pyrimidine and cycloxaprid | |
CN105284838A (en) | Pesticide composition capable of preventing and treating white ants | |
CN107306969A (en) | A kind of composition containing pymetrozine and methyl jasmonate | |
CN101444215A (en) | Desinsection composite and application thereof | |
CN105532736B (en) | A kind of composition pesticide and its application | |
CN108849915A (en) | A kind of Pesticidal combination of containing chlorantraniliprole and fluorine pyrrole furanone | |
CN107439582A (en) | A kind of composition containing Diacloden and methyl jasmonate | |
CN102696615A (en) | Insecticidal composition containing etofenprex | |
CN101715781B (en) | Mixed insecticide of pymetrozine and imidaclothiz | |
CN101606530B (en) | Pesticide containing hexaflumuron and malathion and application thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171201 |
|
WD01 | Invention patent application deemed withdrawn after publication |