CN102007926B - Liquid formulation containing emamectin benzoate for trunk injection - Google Patents
Liquid formulation containing emamectin benzoate for trunk injection Download PDFInfo
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- CN102007926B CN102007926B CN 201010587098 CN201010587098A CN102007926B CN 102007926 B CN102007926 B CN 102007926B CN 201010587098 CN201010587098 CN 201010587098 CN 201010587098 A CN201010587098 A CN 201010587098A CN 102007926 B CN102007926 B CN 102007926B
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Abstract
The invention discloses a liquid formulation containing emamectin benzoate for trunk injection, the prepared liquid formulation for trunk injection comprises the following raw materials by weight percent: 0.1%-15.0% of emamectin benzoate, 1%-10% of emulsifier and the balance of solvent, wherein the sum of the percents of the raw materials is 100%. Or 1-20% of fungicide is added in the formula. The medicament is applicable to trunk injection for controlling various pests at fruit parts of economic forest trees, and can further control diseases of fruits of the economic forest trees while controlling the pests in the fruits of the economic forest trees. The control effect is better especially for damages by diseases and pests of the fruits of the economic forest tress with tall trunks, and the problem of inconvenience in application in the situations that the mountains are high, the roads are steep, the trunks are tall, and the application is carried out before and after houses around avillage can be further solved.
Description
Technical field
The present invention relates to a kind of liquid formulation for trunk injection, relate in particular to a kind of liquid formulation for trunk injection that contains emamection benaoate, mainly use by the trunk injection dry method, be applicable to prevent and treat commodity trees Fruit Pests and disease.
Background technology
By tree trunk injection, medicament directly enters in the tree body, and free from environmental pollution reaching damages people and animals and other beneficial organism, is the nuisanceless pesticide application technology of a kind of ideal Environmental compatibility.Through a large amount of experimental studies, Nuisanceless Pesticide Research Service Center, Xibei Agroforestry Science and T has applied for national inventing patent " a kind of trunk injection agent ", the patent No.: ZL99111357.8.Developed first generation liquid formulation for trunk injection--the happy desinsection liquid formulation for trunk injection of 30% dichlorvos oxygen, and obtained national Pesticidal products registration (registration number: LS991064).Subsequently, developed again second generation desinsection liquid formulation for trunk injection and applied for Chinese patent and patented power (title: a kind of trunk injection agent that contains Imidacloprid, the patent No.: ZL 200510043092.2) in 2005.After using this series of patents product tree trunk injection.Sucking pest, food leaf class pest are had desirable preventive effect, especially significant for control forest trunk borer.These patented products are applied in forest pest control at present.For example, urban landscaping, highway both sides street tree, satisfied control efficiency and important ecology, social benefit have been obtained in the control of forest park and commodity trees insect.2008, on the basis of for many years research, applied for again Chinese patent (title: a kind of liquid formulation for trunk injection that contains Tebuconazole, application number: 2000810150708.X), so that the tree trunk injection technology is to the important pest of another large class of harm tree growth---the progress of making a breakthrough property in the control of disease.
Along with China started take conceding the land to forestry as main improvement of the ecological environment in 1999, many local in conjunction with local reality, the industry of planting forest or fruit tress exploitation is combined closely with project of conceding the land to forestry, greatly develop the economic forest industries such as walnut, Chinese chestnut, oranges and tangerines, Chinese prickly ash.For example Shanglou, Shaanxi Province walnut cultivated area is more than 160 ten thousand mu, produces 2.53 ten thousand tons of walnuts per year, 5.5 hundred million yuan of the output values.Yet along with various commodity trees in a large number in flakes, single cropping, the damage by disease and insect that endangers various commodity trees occurs also to be on the rise.Especially the damage by disease and insect that endangers fruit occurs seriously usually to bring about great losses aborning.For example endanger the main diseases insect pest walnut of Walnut Fruit and lift the limb moth, with larva moth food green peel of walnut and even kernel, the gradually blackening and cave in, come off of fruit of being injured.Its harm can cause the walnut underproduction 20%～50%, endangers and can cause the walnut total crop failure when serious.Only at Shangluo Area of Shaanxi. china, annual direct economic loss reaches tens million of units.Become the local Walnut Industry Development of long-term puzzlement, an insoluble significant problem.
The tree trunk injection technology has obtained certain progress aspect the preventing and treating of commodity trees insect.Field trial shows, 30% dichlorvos flolimat liquid formulation for trunk injection, 4% Imidacloprid liquid formulation for trunk injection all have good preventive effect to moth dryness insect, sucking insect and the To Leaf-feeding Insects of the multiple fruit trees such as harm citrus, cocoanut tree, pear tree, walnut, lichee, Chinese chestnut, Chinese prickly ash.Wherein happy, the 14% Imidacloprid dichlorvos liquid formulation for trunk injection of 30% dichlorvos oxygen is with the injection amount of every centimetre of Ground Diameter 1.0mL, to the preventive effect of 7d behind the citrus red mite medicine greater than 85%; To the preventive effect of 5d behind the citrus aphid medicine greater than 90%; To the preventive effect of 7d behind the citrus cottonycushion scale medicine greater than 85%; To the preventive effect of 15d behind the citrus ceroplastes rubens medicine greater than 70%.14% Imidacloprid dichlorvos liquid formulation for trunk injection is by the injection amount of every centimetre of Ground Diameter 1.2 mL, and 15d can reach 90.52% to the Brontispa longissima preventive effect after the injection.30% dichlorvos oxygen is happy, 14% Imidacloprid dichlorvos medicament is with the injection amount of every centimetre of Ground Diameter 1.0 mL, to the preventive effect of 7d behind the pear sucker medicine all greater than 95%.
On the basis of field practice, applicant's seminar has improved the structure of medicine injector also for the characteristics of commodity trees, and name is called " a kind of self-flowing type machine for injecting medicine for fruit tree " has applied for the Chinese patent (patent No.: ZL200820028682.7).Although the tree trunk injection technology has obtained certain achievement the insect at control harm commodity trees trunk, branches and leaves position, and the commodity trees Fruit Pests control that can cause the tremendous economic loss is still lacked effective product.
Summary of the invention
The object of the invention is to, a kind of liquid formulation for trunk injection that contains emamection benaoate is provided, be used for control commodity trees Fruit Pests and disease.
In order to realize above-mentioned task, the present invention takes following technical solution to be achieved:
A kind of liquid formulation for trunk injection that contains emamection benaoate, it is characterized in that, this liquid formulation for trunk injection that makes is comprised of the raw material of following mass percent: emamection benaoate: 0.1%～15.0%, emulsifier: 1%～10%, surplus is solvent, and the percentage summation of above-mentioned raw materials is 100%.
Another technical solution of the present invention is:
A kind of liquid formulation for trunk injection that contains emamection benaoate, it is characterized in that, this liquid formulation for trunk injection is comprised of the raw material of following mass percent: emamection benaoate: 0.1%～15.0%, bactericide: 1%～20%, emulsifier: 1%～10%, surplus is solvent, and the percentage summation of above-mentioned raw materials is 100%.
Above-mentioned solvent is one or more in methyl alcohol, DMF, tetrahydrofurfuryl alcohol, the isopropyl alcohol.
Mentioned emulsifier be octyl phenol polyoxy ethyl ether, ethoxylated dodecyl alcohol wherein one or both.
Above-mentioned bactericide is a kind of in Tebuconazole, own azoles alcohol, the alkene azoles alcohol.
Through experiment showed, of the applicant liquid formulation for trunk injection that contains emamection benaoate of the present invention, after employing notes dry method is used trees, can effectively prevent and treat diversified economy forest Fruit Pests, lift limb moth, dichocrocis punctiferalis, Li Shixiang etc. such as walnut.
Although adopt spray-on process also can obtain certain control efficiency to above-mentioned insect, but because The mountains are high and the roads are steep, the tree height is large, there is certain difficulty in practice in spray operation, and uses the spraying control can bring the series of problems such as natural enemy to insect damages, environmental pollution.
The liquid formulation for trunk injection that contains emamection benaoate of the present invention, after adopting the notes dry method to use trees, only have the target pest is worked, free from environmental pollution, do not injure natural enemy insect, the preventive effect high, effect is quick, the lasting period is long, applied widely, easy to operate, as not to be subjected to geographical conditions restriction, the dispenser of anhydrous, contactless property, economic forest prevents and treats diversified economy forest Fruit Pests around especially suitable mountain area, the village, also can prevent and treat the commodity trees fruit disease simultaneously at control commodity trees Fruit Pests.
Embodiment
For this desirable Environmental compatibility pesticide technology of tree trunk injection technology is played a role in preventing and treating in commodity trees fruit damage by disease and insect, the applicant conducts in-depth research the liquid formulation for trunk injection of control commodity trees Fruit Pests, and develop has gone out a kind of liquid formulation for trunk injection that contains emamection benaoate.
Study discovery through the applicant, in containing the liquid formulation for trunk injection of emamection benaoate, add 1%～20% bactericide, in control commodity trees Fruit Pests, also can prevent and treat fruit disease.Spraying times when having greatly reduced commodity trees fruit damage by disease and insect has been saved cost accounting.
Below be the embodiment that the inventor provides, need to prove, these embodiment all are some more excellent examples, the invention is not restricted to these embodiment.
Embodiment 1:The liquid formulation for trunk injection preparation of 0.5% emamection benaoate:
Take by weighing purity and be 90% the former medicine 0.56Kg of emamection benaoate, methyl alcohol 96.44kg stirs, and makes emamection benaoate be dissolved in the methyl alcohol fully; The octyl phenol polyoxy ethyl ether (OP-10) that adds 3.0kg, fully stirring and dissolving namely makes 0.5% emamection benaoate liquid formulation for trunk injection 100kg.
Embodiment 2:The notes of 5% emamection benaoate are done the preparation of sterilization liquor:
Take by weighing purity and be 90% the former medicine 5.56Kg of emamection benaoate, methyl alcohol 20.44kg and tetrahydrofurfuryl alcohol 70kg stir, and make emamection benaoate fully dissolving in solvent; Add ethoxylated dodecyl alcohol 4kg, fully stirring and dissolving namely makes 5% emamection benaoate liquid formulation for trunk injection 100kg.
Preparation Example 3:The preparation of 12% emamection benaoate Tebuconazole liquid formulation for trunk injection:
Take by weighing purity and be 90% the former medicine 4.44kg of emamection benaoate, DMF 20kg is with the former medicine of DMF dissolving emamection benaoate; Add again tetrahydrofurfuryl alcohol 62.16kg and purity and be 95% Original Tebuconazole 8.4kg; Stir, emamection benaoate and Original Tebuconazole are dissolved fully; Add the octyl phenol polyoxy ethyl ether (OP-10) of 5.0kg, after the stirring and dissolving, namely make 12% emamection benaoate Tebuconazole liquid formulation for trunk injection 100kg.
Preparation Example 4:The preparation of 15% emamection benaoate alkene azoles alcohol liquid formulation for trunk injection:
Take by weighing purity and be 90% the former medicine 2.22kg of emamection benaoate, the 10kg DMF is with the former medicine of DMF dissolving emamection benaoate; Add again isopropyl alcohol 65.56kg and purity and be 92% the former medicine 15.22kg of alkene azoles alcohol; Stir, emamection benaoate and alkene azoles alcohol are dissolved fully; Add octyl phenol polyoxy ethyl ether 7kg, after the stirring and dissolving, namely make 15% emamection benaoate alkene azoles alcohol liquid formulation for trunk injection 100kg.
Preparation Example 5:The preparation of the own azoles alcohol of 10% emamection benaoate liquid formulation for trunk injection:
Take by weighing purity and be 90% the former medicine 1.11kg of emamection benaoate, isopropyl alcohol 20kg is with the former medicine of isopropyl alcohol dissolving emamection benaoate; The former medicine 9.89kg of own azoles alcohol that adds again tetrahydrofurfuryl alcohol 64kg and purity 95%; Stir, the former medicine of emamection benaoate and own azoles alcohol is dissolved fully; Add ethoxylated dodecyl alcohol 2kg, octyl phenol polyoxy ethyl ether 3kg after the stirring and dissolving, namely makes the own azoles alcohol of 10% emamection benaoate liquid formulation for trunk injection 100kg.
Test example 1: the emamection benaoate liquid formulation for trunk injection is lifted the field controling test of limb moth to walnut
By 2007-2009 to the walnut main diseases insect pest field on-site inspection of main walnut cultivation area, Shanyang County, Shangluo Prefecture, Shaanxi Province, the damage by disease and insect of harm walnut have walnut lift limb moth, dichocrocis punctiferalis, european goat moth, batocera horsfieldi, little flatheaded borer, traverse furrow resemble, yellow must the ball bark beetle and tens kinds of black spot, anthracnose etc., especially lift limb moth, dichocrocis punctiferalis and anthracnose with walnut and cause fruit blackening loss the heaviest.Walnut act limb moth (
Atrijuglans hetaoheiYang) be a kind of moth fruit property insect of special harm walnut, with larva moth food green peel of walnut and even kernel, the gradually blackening and cave in, come off of fruit of being injured.Its harm can cause walnut underproduction 30-50%, endangers and can cause the walnut total crop failure when serious.Only at Shangluo Area of Shaanxi. china, annual direct economic loss reaches tens million of units.Take high dam town, Shanyang County, Shangluo Prefecture stone Liang Cun as example, direct economic loss reached more than 30 ten thousand yuan because walnut is lifted the limb moth harm walnut underproduction 35% in 2007.Because walnut is lifted the harm of limb moth, has seriously affected walnut ground output and quality, directly affects foreign exchange earning, the market demand and increasing peasant income.Become the local Walnut Industry Development of long-term puzzlement, an insoluble significant problem.2007-2008, the author prevents and treats Walnut Fruit insect field trial at the tree trunk injection that Shanyang County high dam township stone Liang Cun, Si Gou village and area just outside a city gate town power man plateau village carry out.Now tree trunk injection being prevented and treated Walnut Fruit insect field trial structure is summarized as follows:
1, test material and method
1) medicament
A.4.1% Imidacloprid Avermectin liquid formulation for trunk injection;
B.4% Imidacloprid liquid formulation for trunk injection;
C.3% Avermectin liquid formulation for trunk injection;
D.2% emamection benaoate liquid formulation for trunk injection;
E.30% the happy liquid formulation for trunk injection of dichlorvos oxygen.
2) test site
The experiment place is positioned at Shanyang County, Shangluo City, Shaanxi Province high dam township stone Liang Cun, Si Gou village, high dam township, and Cun He village, crossdrift town, Luonan County, Shangluo City, Shaanxi Province.
3) application method
Adopt the injection of self-flowing type tree trunk injection technology.Concrete operation step is: each test medicine is distributed in the self flowing type stock injector, seals for subsequent use.With using first the portable hand-held Charge) to make a call to a diameter 0.5cm at butt (distance ground is 10～15cm place approximately), dark 3 ㎝～4 ㎝ and trunk are the hole (aperture is Ф 5 ㎜ approximately) of 45° angle during field rotating medicine.Cut off the self flowing type stock injector front end with scissors, penetrate air-vent with pin, then insert in the tree hole of accomplishing fluently, after liquid has flowed, reclaim medicine injector.
If not injection blank.5-8 tree annotated in every processing, repeats 3 times.With the every processing strain of red self-spraying paint mark trunk.
4) drug effect inspection
When in late August, 2007～2008, Walnut Fruit was gathered, investigate every strain test tree fruit damage by disease and insect Harm by strain.Add up respectively wormed fruit and control efficiency.
2, tree trunk injection is to the control efficiency of Walnut Fruit insect
The injection time in 2007 was May 25, an investigation in month is found to be in the ovum hatching Sheng phase this moment after injection on June 25 in 2007, has the larva of a small amount of just hatching to invade the Walnut Fruit epidermis, and hazard symptoms is not obvious, fruit colour is without significant change around invading the hole, and difference was not obvious between each was processed.When latter two moon of injection on July 25 in 2007 is investigated, find, be in the larva harm Sheng phase this moment, the fruit colour blackening on every side of fruit surface intrusion hole, pericarp deliquescing, some is invaded hole and is water soaking mode, and some invades the worm excrement discharge that there is black at place, hole.The wormed fruit quantity variance is obvious between each chemicals treatment by inquiry, and this variation tendency remains to results periods always.In three months whens investigation after injection on August 25 in 2007, have walnut to lift the fruit symptom of limb moth harm obvious, and fruit shows most of brown stains, blackout.Gather the upper Walnut Fruit of different disposal group tree, its final hazard ratio of investigation statistics.It the results are shown in Table 1, in various chemicals treatment groups, processes control efficiency with 4% Imidacloprid liquid formulation for trunk injection, the 1.3 mL/cm diameters of a cross-section of a tree trunk 1.3 meters above the ground best as can be seen from Table 1, and final control efficiency can reach 63.78%.4.1% Imidacloprid Avermectin liquid formulation for trunk injection control efficiency is better than 4% Imidacloprid liquid formulation for trunk injection under identical injection amount.30% dichlorvos flolimat liquid formulation for trunk injection control efficiency is the poorest.
Each medicament of table 1:2007 is lifted the limb moth to walnut control efficiency
In the relatively poor result of relatively short effect of chemical control of this drug effect phase, and walnut is lifted the limb moth larvae and is in ovum hatching this phenomenon of Sheng phase during June field investigation on the 25th from 30% dichlorvos flolimat liquid formulation for trunk injection.The control test injection time in 2007, relatively partially early pericarp Chinese medicine content was low, deuterogenesis's walnut is lifted limb moth control ability reduce.
The field controling test injection time in 2008 was June 12, and its control the results are shown in Table 2.In the adjustment along with the injection time, the control efficiency that each medicament is lifted the limb moth to walnut evenly obviously improves as can be seen from Table 2.Take 4.1% Imidacloprid Avermectin liquid formulation for trunk injection as example, in the situation that control district blank group wormed fruit rate in 2007,2008 approaches, control efficiency brings up to 69.65% from 56.97%.From 4% Imidacloprid Tebuconazole liquid formulation for trunk injection, 3% Avermectin liquid formulation for trunk injection, 2% emamection benaoate liquid formulation for trunk injection, the control efficiency that these several medicaments are lifted the limb moth to walnut is seen, the control efficiency of 2% emamection benaoate liquid formulation for trunk injection is best, under the dosage of the 1.0 mL/cm trunk diameters of a cross-section of a tree trunk 1.3 meters above the ground, final control efficiency can reach 78.03%.
Each medicament of table 2:2008 is lifted the limb moth to walnut control efficiency
Test example 2: emamection benaoate series liquid formulation for trunk injection is to the field controling test of Walnut Fruit damage by disease and insect
By the 2007-2008 field control effectiveness test, find during investigation, can cause the Walnut Fruit blackening except lifting the harm of limb moth, in mountain area Schattenseite, relatively poor place and more time of summer rainwater of ventilation condition, part test district walnut anthracnose occurs also comparatively serious.Walnut anthracnose main harm Walnut Fruit, leaf, bud, spray.After fruit was injured, scab just was pitchy, subcircular, after the depression that turns black, the dimmed brown of whole fruit is rotted at last, blackening, smelly, kernel is shrivelled.The yellow irregular scab of the susceptible rear generation of blade.Full leaf flavescence causes early leaf fall when serious.Field investigation finds that the incidence of disease of Walnut Fruit anthracnose reaches more than 85%, and walnut anthracnose also can cause the Walnut Fruit surface stain, and the fruit that has walnut to lift the harm of limb moth all has anthracnose to occur.So in control test in 2009, prevent and treat on the basis of Fruit Pests in early stage, increased the content of the test of preventing and treating simultaneously the Walnut Fruit damage by disease and insect.Now tree trunk injection being prevented and treated Walnut Fruit damage by disease and insect field trial structure is summarized as follows:
One, the kind of Walnut Fruit disease and insect and time of origin
Through field investigation, the insect of harm Walnut Fruit mainly contains walnut and lifts limb moth, dichocrocis punctiferalis, walnut anthracnose.Wherein two kinds of insects pests occurrence rule under different habitats, land occupation condition is different.Endangering kind on the limit, mountain, around the village is that dichocrocis punctiferalis and walnut are lifted the limb moth.Be mainly walnut in mountain area harm kind and lift the limb moth.The place morbidity that walnut anthracnose is fallen ill in the ditch of mountain area, ventilation condition is poor is serious, and the place morbidity that ventilation condition is good around limit, mountain, the village is lighter.
Near limit, mountain, village, dichocrocis punctiferalis is upper since June, endanger Walnut Fruit the middle ten days, and its harm phase can continue until early August.Walnut is lifted the harm of limb moth and is occurred in late June, and its harm can continue until early September walnut collecting season.
Lift the limb moth at the mountain area walnut occur relatively evening, in 7 months, begin to endanger Walnut Fruit, the just obvious blackening of fruit mid-August the last ten-days period.
Walnut anthracnose infects Walnut Fruit since the middle ten days and the last ten days in May, and scab to early July begins to manifest, and August, the early and middle ten days lesion area enlarged rapidly, causes the fruit blackout.
Two, the test of tree trunk injection technology prevention Walnut Fruit damage by disease and insect
1, test material and method
1) medicament
A.10% emamection benaoate Tebuconazole liquid formulation for trunk injection;
B. 10% emamection benaoate alkene azoles alcohol liquid formulation for trunk injection;
C.10% the own azoles of emamection benaoate alcohol liquid formulation for trunk injection;
D.10% Imidacloprid Tebuconazole liquid formulation for trunk injection;
E.10% Avermectin Tebuconazole liquid formulation for trunk injection.
2) test site
The experiment place is positioned at Shanyang County, Shangluo City, Shaanxi Province high dam township stone Liang Cun, Si Gou village, high dam township.
3) application method
Adopt the injection of self-flowing type tree trunk injection technology.Concrete operation step is: each test medicine is annotated dry medicament be distributed in the self flowing type stock injector, seal for subsequent use.With using first the portable hand-held Charge) to make a call to a diameter 0.5cm at butt (distance ground is 10～15cm place approximately), dark 3～4 ㎝ and trunk are the hole (aperture is ￠ 5 ㎜ approximately) of 45° angle during field rotating medicine.Cut off the self flowing type stock injector front end with scissors, penetrate air-vent with pin, then insert in the tree hole of accomplishing fluently, after liquid has flowed, reclaim medicine injector.
Injection dosage is pressed the liquid of the 1.0ml/cm trunk diameter of a cross-section of a tree trunk 1.3 meters above the ground, establishes not injection blank.5-8 tree annotated in every processing, repeats 3 times.With the every processing strain of red self-spraying paint mark trunk.If not injection blank.5-8 tree annotated in every processing, repeats 3 times.With the every processing strain of red self-spraying paint mark trunk.
4) drug effect inspection
When in late August, 2009, Walnut Fruit was gathered, investigate every strain test tree fruit damage by disease and insect Harm by strain.Add up respectively disease wormed fruit and control efficiency.
2, tree trunk injection is to the control efficiency of Walnut Fruit damage by disease and insect
The field controling test injection time in 2009 was June 14, and its control the results are shown in Table 3.Because 5-8 month field rainwater in 2009 is more, the control group field damage by disease and insect incidence of disease is higher than situation in 2008, and to the control efficiency of the Fruit Pests preventive effect a little less than 2008, but that the control efficiency trend between each insecticide changes is identical with 2008.The control efficiency of Tebuconazole is best in three kinds of bactericidal agents.The control efficiency of 10% emamection benaoate Tebuconazole liquid formulation for trunk injection, under the dosage of the 1.0 mL/cm trunk diameters of a cross-section of a tree trunk 1.3 meters above the ground, the final control efficiency of walnut being lifted the limb moth reaches 65.92%, and the final control efficiency of walnut anthracnose is reached 60.14%.
Each medicament of table 3:2009 is lifted the limb moth to walnut control efficiency
3, brief summary
By the field injection test in 2007 to 2009 continuous 3 years, desk study has gone out 2% emamection benaoate liquid formulation for trunk injection tree trunk injection, and insect pest had good control efficiency to Walnut Fruit under the dosage of the 1.0 mL/cm diameters of a cross-section of a tree trunk 1.3 meters above the ground; 10% emamection benaoate Tebuconazole liquid formulation for trunk injection all has good control efficiency to Walnut Fruit insect pest and disease by tree trunk injection under the dosage of the 1.0 mL/cm diameters of a cross-section of a tree trunk 1.3 meters above the ground, the best injection time of its field is the early and middle ten days in June.
Test example 3: the emamection benaoate liquid formulation for trunk injection is to the field controling test of Fruits in Chinese Chestnut insect pest
1, test material and method
1) medicament
A.0.5% emamection benaoate liquid formulation for trunk injection;
B.3% emamection benaoate liquid formulation for trunk injection;
C.6% emamection benaoate liquid formulation for trunk injection;
D.4% Imidacloprid liquid formulation for trunk injection.
2) controlling object
Plate snowflake curculio and Li Shixiang
3) test site
The field control effectiveness test place is positioned at Li Yuan village, knot township, Zhenan County, Shangluo City, the Shaanxi old Chestnut Orchard in Liushugou one place.This garden extensive management, Fruit Pests occurs serious.
4) application method
The first tenday period of a month in May, 2009, adopt the injection of self-flowing type tree trunk injection technology.Concrete operation step is: each test medicine is annotated dry medicament be distributed in the self flowing type stock injector, seal for subsequent use.With using first the portable hand-held Charge) to make a call to a diameter 0.5cm at butt (distance ground is 10cm～15cm place approximately), dark 3 ㎝～4 ㎝ and trunk are the hole (aperture is Ф 5 ㎜ approximately) of 45° angle during field rotating medicine.Cut off the self flowing type stock injector front end with scissors, penetrate air-vent with pin, then insert in the tree hole of accomplishing fluently, after liquid has flowed, reclaim medicine injector.
Injection dosage is pressed the liquid of 1.0ml/cm trunk leading thread, establishes not injection blank.5-8 tree annotated in every processing, repeats 3 times.With the every processing strain of red self-spraying paint mark trunk.
5) drug effect inspection
Investigate every strain test tree fruit Pests Damage situation in late August, 2009 by strain.Add up respectively wormed fruit and control efficiency.The normal mixed occurrence of plate snowflake curculio and Li Shixiang, plate snowflake curculio cause that Fruits in Chinese Chestnut comes off in advance, and Li Shixiang endangers in fruit with larva in the Chinese chestnut maturation, causes fruit browning.Preventive effect to plate snowflake curculio and Li Shixiang when investigation is combined statistics.Statistical methods for experiment is, adds up the shedding number in the vertical area magnitude range of tree crown and the upper brown stain fruit number of tree under every tree, and healthy fruit number etc. calculate bad fruit rate and relative control efficiency thereof.
2, tree trunk injection is to the control efficiency of Insect Pests of Chinese chestnut
Can find out that from seeing Table 4 the several pesticides injection drying agent all has certain control efficiency to two kinds of Fruit Pests of Chinese chestnut.There is some difference for the preventive effect of emamection benaoate liquid formulation for trunk injection under the variable concentrations condition.Consider use cost and control efficiency, when using 3% Avermectin liquid formulation for trunk injection by the injection amount of every centimetre of leading thread 1mL of trunk, just can obtain desirable preventive effect, can reach 62.79% to the preventive effect of plate snowflake curculio and Li Shixiang.
Table 4: tree trunk injection is to the control efficiency of Fruits in Chinese Chestnut insect
Claims (2)
1. liquid formulation for trunk injection that contains emamection benaoate, it is characterized in that, this liquid formulation for trunk injection that makes is comprised of the raw material of following mass percent: emamection benaoate: 0.1%～15.0%, emulsifier: 1%～10%, surplus is solvent, and the percentage summation of above-mentioned raw materials is 100%;
Described emulsifier be octyl phenol polyoxy ethyl ether, ethoxylated dodecyl alcohol wherein one or both;
Described solvent is one or more in methyl alcohol, DMF, tetrahydrofurfuryl alcohol, the isopropyl alcohol.
2. liquid formulation for trunk injection that contains emamection benaoate, it is characterized in that, this liquid formulation for trunk injection is comprised of the raw material of following mass percent: emamection benaoate: 0.1%～15.0%, bactericide: 1%～20%, emulsifier: 1%～10%, surplus is solvent, and the percentage summation of above-mentioned raw materials is 100%;
Described solvent is one or more in methyl alcohol, DMF, tetrahydrofurfuryl alcohol, the isopropyl alcohol;
Described emulsifier be octyl phenol polyoxy ethyl ether, ethoxylated dodecyl alcohol wherein one or both;
Described bactericide is a kind of in Tebuconazole, own azoles alcohol, the alkene azoles alcohol.
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| AU2013245034B2 (en) * | 2012-04-04 | 2017-01-19 | Syngenta Crop Protection Ag | Pesticidal composition |
| CN103503889A (en) * | 2012-06-18 | 2014-01-15 | 张长平 | Compound insecticidal sterilization composition, and preparation and application thereof |
| CN103960275B (en) * | 2013-01-31 | 2016-05-11 | 浙江农林大学 | Tie up trunk injection liquor of salt and thiacloprid and preparation method thereof containing first |
| US10076117B2 (en) * | 2014-08-28 | 2018-09-18 | Rotam Agrochem International Company Limited | Pesticide formulation comprising a water soluble active ingredient and a penetration enhancer and use of the same |
| CN105994218B (en) * | 2016-08-09 | 2021-09-24 | 舒城县利民农民专业合作社 | Land-inserting type niphades castanea chao trapping device |
| CN112021059A (en) * | 2020-09-25 | 2020-12-04 | 西南大学 | Novel method for controlling bactrocera minax |
| CN113875764A (en) * | 2021-11-01 | 2022-01-04 | 重庆森之翼松材线虫病防治研究院有限公司 | Emamectin benzoate soluble solution, preparation method and application thereof |
| CN115005222A (en) * | 2022-07-13 | 2022-09-06 | 浙江钱江生物化学股份有限公司 | Forestry stripe agent, preparation method and use method |
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| CN101366375A (en) * | 2008-08-25 | 2009-02-18 | 西北农林科技大学无公害农药研究服务中心 | Tebuconazole-containing liquid formulation for trunk injection |
| CN101658176A (en) * | 2008-08-27 | 2010-03-03 | 来燕学 | Pesticide for preventing and controlling Bursaphelenchus xylophilus and injection method thereof |
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| CN101263816A (en) * | 2007-03-13 | 2008-09-17 | 来燕学 | Emamectin benzoate-chlorfenapyr injection for preventing pine wilt disease |
| CN101366375A (en) * | 2008-08-25 | 2009-02-18 | 西北农林科技大学无公害农药研究服务中心 | Tebuconazole-containing liquid formulation for trunk injection |
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