CN107593752A - A kind of method for preventing and treating citrus scale insect - Google Patents
A kind of method for preventing and treating citrus scale insect Download PDFInfo
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- CN107593752A CN107593752A CN201711002207.2A CN201711002207A CN107593752A CN 107593752 A CN107593752 A CN 107593752A CN 201711002207 A CN201711002207 A CN 201711002207A CN 107593752 A CN107593752 A CN 107593752A
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- cycolxylidin
- nylar
- scale insect
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- citrus
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Abstract
The present invention relates to a kind of method for preventing and treating citrus scale insect, and pesticidal preparations of the active component for cycolxylidin and Nylar are mixed, are uniformly sprayed on after being watered on Citrus Plants, is defined by branches and leaves moistening；Described cycolxylidin and the weight ratio of Nylar are 3:1~1:10.Two active component Synergistics of the present invention, for preventing and treating citrus scale insect, drug effect can be greatly improved, active ingredient dosage is reduced, so as to reduce harmful effect and the residues of pesticides to environment, is advantageous to the improvement of pest resistance to insecticide.
Description
Technical field
The present invention relates to agriculture applied technology field, specifically a kind of method for preventing and treating citrus scale insect.
Background technology
It is many to endanger citrus scale insect species, such as arrowhead scales, ceroplastes rubens, icerya purchasi, is endangered with arrowhead scales the most serious.
Arrowhead scales is bonded in blade, fruit and tender tip with female adult pest, nymph sucks juice, forms macula lutea by harm, causes blade abnormal
Shape, curling, branches and leaves dry up, and fruit is sour into yellow green, poor appearance, fruity by harm.Have a strong impact on tree vigo(u)r, yield and fruit product
Matter, it can also induce Sooty mould.
At present, the existing a variety of medicaments for being used to kill citrus scale insect of in the market, but at some in actual use,
Effect is always unsatisfactory.If common medicine agent chlopyrifos (chlorpyrifos) is the organophosphor that a kind of wide spectrum has insecticidal activity
Insecticide, as the universal pesticide control of scale insect, from coming out till now using for many years, frequently used because single, evil
Worm has produced the larger resistance to the action of a drug, causes cost accounting to increase, the phenomenon that drug effect reduces.Therefore, research and develop new efficient, low
Malicious scale insect pesticide control produces significant to citrus.
Cycolxylidin, chemical name:1- (2,3- glycidyl)-N- Nitroimidazoline -2- base amine, there is interior suction, stomach toxicity
And action of contace poison, it is a kind of anabasine insecticide, cycolxylidin has preferable prevention effect to the insect of sucking mouth parts, right
Aleyrodid, aphid have preferable preventive and therapeutic effect.
Nylar, English name：Pyriproxyfen, it is a kind of juvenoid insect growth growth adjustment agent,
Be mainly used in preventing and treating fly, mosquito, blattaria, scale insect, the insect such as aleyrodid, there is ovicidal action, can suppress embryonic development and
The hatching of ovum or the ovum of the no viability of generation, but it is weaker to adult activity.
In the real process of agricultural production, pest control is easiest to generate the problem that the generation of pest resistance to insecticide.And
Mixture is carried out using the agricultural chemicals of heterogeneity, is the common methods for preventing and treating agriculture resistant insect.Screened, drawn by formulation of pesticide
Pest control has synergistic function in certain ratio range between heterogeneity, can greatly improve drug effect, reduce medication into
This.
Studied by inventor, find mutually to compound cycolxylidin and Nylar, within the specific limits to citrus shell
Worm has a good synergistic effect, and study in citrus scale insect about cycolxylidin composite usage related to Nylar there is not yet
Relevant report.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of high-efficiency low-toxicity, lasting period to grow, and mu cost is low, favorably
In a kind of method of preventing and treating citrus scale insect of integrated pest management.
The technical solution used in the present invention is：A kind of method for preventing and treating citrus scale insect, is epoxy insect by active component
The pesticidal preparations of quinoline and Nylar mix, and are uniformly sprayed on after being watered on Citrus Plants, are defined by branches and leaves moistening；Described
Cycolxylidin and the weight of Nylar ratio are 3:1~1:10, it is preferred that cycolxylidin and the weight of Nylar ratio are 1:5.
Described pesticidal preparations are suspending agent or microemulsion.
The advantages and positive effects of the present invention are：Nylar is different from the mechanism of action of cycolxylidin, with certain weight
Amount has obvious synergistic function than mixture, can greatly improve drug effect, active ingredient dosage is reduced, so as to reduce to environment
Harmful effect and residues of pesticides, be advantageous to the improvement of pest resistance to insecticide.
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, biologicall test example
Embodiment 1：The Toxicity Determination of cycolxylidin, Nylar and its mixture to Unaspis yanonensis
Subjects：Unaspis yanonensis (Unaspis yanonensis Kuwana) incubates nymph.
Experimental design：Using blade infusion process.Cycolxylidin, Nylar and the two different ratio are determined by pilot study
Effective lethasl concentration scope of mixture.When shell worm's ovum is in hatching peak period, selection has the leaf of more scale insect incubates nymph
Piece, 10s in decoction being dipped in, unnecessary decoction is sopped up with blotting paper, insertion adds in the bottle of water, air-dries, and mark, is placed on 25 ± 1 DEG C,
In the observation ward of 14h illumination.Be repeated 3 times, blank control be set, after 24h under anatomical lens inspection result, worm is touched with writing brush
Body, it is reactionless to be considered as dead worm.Calculation formula is：
Preventive effect (%)=(borer population living after test worm number-medicine)/test worm number × 100
Rectifying efficacies (%)=(chemicals treatment preventive effect-control preventive effect)/(100- compares preventive effect)
Using the logarithm value of drug concentration (mg/L) as independent variable x, using the probit value of Rectifying efficacies as y, calculated with DPS softwares
LC50And virulence regression equation, calculate LC with DPS softwares50And virulence regression equation, use Sun Yun with reference to NY/T1154.7-2006
Abundant method obtains the co-toxicity coefficient (CTC) of each mixed ratio, and evaluates the two mixed synergistic effect, works as co-toxicity coefficient
(CTC) when >=120, composition shows as synergistic effect；As CTC≤80, composition shows as antagonism；As 80 ＜ CTC
During ＜ 120, composition shows as summation action.
Result of the test is shown in Table 1.
The Toxicity Determination of the cycolxylidin of table 1, Nylar and its mixture to Unaspis yanonensis
It can be seen in table 1 that the composition of cycolxylidin and Nylar is 3 in weight ratio:1~1:Mixture pair in the range of 10
The co-toxicity coefficient of Unaspis yanonensis is all higher than 120, shows that Nylar and the cycolxylidin mixture in the range of this weight ratio produce
Synergistic effect, in for trial ratio, when cycolxylidin and the weight of Nylar ratio are 1:When 5, the common poison to Unaspis yanonensis is
Number is maximum, and its value is 186.7, shows that the composition synergistic effect of this proportioning is obvious, has application well to refer in field control
Lead value.
2nd, embodiment is prepared
Embodiment 1：12% cycolxylidin Nylar suspending agent
Formula：Cycolxylidin 2.0%, Nylar 10.0%, alkyl phenol formaldehyde resin polyoxyethylene ether 2.5% are weighed according to quantity
(dispersant), alkylphenol-polyethenoxy base ether phosphate 2.5% (wetting agent), polyvinyl alcohol 1.5% (thickener), organosilicon
0.3% (defoamer), deionized water add to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, with sand milling
12% cycolxylidin Nylar suspending agent is made after being sanded in machine.
Embodiment 2：8.0% cycolxylidin Nylar suspending agent
Formula：Cycolxylidin 6.0%, Nylar 2.0%, alkyl phenol formaldehyde resin polyoxyethylene ether 2.5% are weighed according to quantity
(dispersant), alkylphenol-polyethenoxy base ether phosphate 3% (wetting agent), polyvinyl alcohol 1.5% (thickener), organosilicon
0.2% (defoamer), deionized water add to 100% parts by weight.Above-mentioned raw materials are blended, and high speed shear disperses 30min, with sand milling
8.0% cycolxylidin Nylar suspending agent is made after being sanded in machine.
Embodiment 3：5.5% cycolxylidin Nylar suspending agent
Formula：Cycolxylidin 0.5%, Nylar 5.0%, naphthalenesulfonate formaldehyde condensation compound 2.5%, dodecane are weighed according to quantity
Base sodium sulphate 2.5%, silicone 0.12%, Arabic gum 0.12%, deionized water add to 100% parts by weight.Above-mentioned raw materials pass through
Mixing, high speed shear disperse 30min, and 5.5% cycolxylidin Nylar suspending agent is made after being sanded with sand mill.
Embodiment 4：20% cycolxylidin Nylar microemulsion
Formula：Cycolxylidin 10%, Nylar 10%, AEO 5%, N- octyl group pyrrolidines are weighed according to quantity
Ketone 9%, propane diols 3%, silicone oil 0.12%, deionized water supply 100%, and mixing is sufficiently stirred obtained 20% cycolxylidin pyrrole
Propyl ether microemulsion.
Embodiment 5：10% cycolxylidin Nylar microemulsion
Formula：Cycolxylidin 2.0%, Nylar 8.0%, OPEO 4% (emulsifying agent), alkane are weighed according to quantity
Base fluosite APEO 3.5% (dispersant), calcium dodecyl benzene sulfonate 2.5% (emulsifying agent), cyclohexanone 15%
(solvent), 5%N- methyl pyrrolidones (solvent), n-butanol 5% (emulsifying agent), epoxychloropropane 1.0% (stabilizer), through molten
Solution is complete and is well mixed, and deionized water adds to 100% parts by weight, and mixing is sufficiently stirred obtained 10% cycolxylidin Nylar
Microemulsion.
3rd, field test embodiment
Embodiment 1:The preparation for preparing the gained of embodiment 1 is used for the field test for preventing and treating the scale insect (icerya purchasi) on cumquat
(1) experimental design：Test in August in 2015 25 days in Nanning suburbs, uniformly sprayed using conventional method
Mist, it is sufficiently humidified so as to be defined by citrus branches and leaves, experiment refers to GB/T 17980.12-2000《Pesticide field efficacy medicine test criterion (one)
Insecticide control citrus scale insect》.Experiment sets 4 processing, 4 repetitions altogether, and each cell selects 2 growing ways and pest and disease damage basic
Consistent fruit tree is respondent.From all directions four, different azimuth randomly selects 2 years raw young sprouts to each tree respectively, adjusts altogether
Look into 12 branches.Radix is investigated before medicine, branch investigation is carried out within 15 days after dispenser, calculates Revision insect recluced rate (%).
(2) medicament and dosage are corresponding to each processing：
Handle 1#：The preparation of the gained of embodiment 1 is prepared, be i.e. 12% cycolxylidin Nylar suspending agent, is watered dilution
1500 times；
Handle 2#：10% cycolxylidin suspending agent, it is watered 750 times of dilution；
Handle 3#：10% Nylar suspending agent, it is watered 1000 times of dilution；
Handle 4#：Blank control (CK)
(3) result of the test：15 days after medicine, the Revision insect recluced rate for handling 1-3# is respectively 91.2%, 62.1% and 70.9%；
The Revision insect recluced rate of blank control (CK) is -5.5%.This explanation cycolxylidin and synergistic effect after pyriproxyfen compound are obvious, bright
The aobvious preventive effect improved to scale insect, can effectively reduce Pesticide use amount, reduce pesticide cost, be advantageous to the comprehensive regulation of insect.
Section is tested, each processing citrus growth is normal, and without obvious harmful effect, medication area is compared with not medication area, the blade of citrus, children
The no abnormal phenomenon of the tip, young fruit, show that reagent agent is preferable to the security of citrus.
In summary, it is not each with the composition of cycolxylidin and Nylar science mixture, its activity to scale insect
The simple superposition of composition activity, compared with existing unitary agent, synergistic effect is notable, and quick-acting is high, lasting effect length, can slow down
The generation of scale insect resistance, it is good to crop safety, meet the security requirement of pesticidal preparations.
Claims (3)
- A kind of 1. method for preventing and treating citrus scale insect, it is characterised in that by the agricultural chemicals that active component is cycolxylidin and Nylar Preparation mixes, and is uniformly sprayed on after being watered on Citrus Plants, is defined by branches and leaves moistening；Described cycolxylidin and Nylar Weight ratio be 3:1~1:10.
- 2. according to the method for claim 1, it is characterised in that cycolxylidin and the weight of Nylar ratio are 1:5.
- 3. method according to claim 1 or 2, it is characterised in that described pesticidal preparations are suspending agent or microemulsion.
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| CN201711002207.2A CN107593752A (en) | 2017-10-24 | 2017-10-24 | A kind of method for preventing and treating citrus scale insect |
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| CN201711002207.2A CN107593752A (en) | 2017-10-24 | 2017-10-24 | A kind of method for preventing and treating citrus scale insect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392553A (en) * | 2018-11-06 | 2019-03-01 | 云南浩绿实业集团有限公司 | A kind of method of arbor package internal-suction type organophosphorus insecticides prevention and treatment coccid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999370A (en) * | 2010-12-13 | 2011-04-06 | 陕西美邦农药有限公司 | Insecticidal composition containing pymetrozine |
| CN103271074A (en) * | 2013-06-18 | 2013-09-04 | 陕西农心作物科技有限公司 | Insecticide composition containing cycolxylidin and pymetrozine |
| CN103271073A (en) * | 2013-06-18 | 2013-09-04 | 陕西农心作物科技有限公司 | Insecticidal composition containing epoxy worm moiety and buprofezin |
| CN103300047A (en) * | 2013-06-25 | 2013-09-18 | 陕西农心作物科技有限公司 | Insecticidal composition containing cycolxylidin and tolfenpyrad |
| CN103766357A (en) * | 2012-10-25 | 2014-05-07 | 上海生农生化制品有限公司 | Deinsectization composition comprising cycloxaprid |
-
2017
- 2017-10-24 CN CN201711002207.2A patent/CN107593752A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999370A (en) * | 2010-12-13 | 2011-04-06 | 陕西美邦农药有限公司 | Insecticidal composition containing pymetrozine |
| CN103766357A (en) * | 2012-10-25 | 2014-05-07 | 上海生农生化制品有限公司 | Deinsectization composition comprising cycloxaprid |
| CN103271074A (en) * | 2013-06-18 | 2013-09-04 | 陕西农心作物科技有限公司 | Insecticide composition containing cycolxylidin and pymetrozine |
| CN103271073A (en) * | 2013-06-18 | 2013-09-04 | 陕西农心作物科技有限公司 | Insecticidal composition containing epoxy worm moiety and buprofezin |
| CN103300047A (en) * | 2013-06-25 | 2013-09-18 | 陕西农心作物科技有限公司 | Insecticidal composition containing cycolxylidin and tolfenpyrad |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392553A (en) * | 2018-11-06 | 2019-03-01 | 云南浩绿实业集团有限公司 | A kind of method of arbor package internal-suction type organophosphorus insecticides prevention and treatment coccid |
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Application publication date: 20180119 |