CN101569315A - Garden mineral oil emulsion having pest repellency - Google Patents
Garden mineral oil emulsion having pest repellency Download PDFInfo
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Abstract
The invention discloses a garden mineral oil emulsion having pest repellency and aims to provide a garden mineral oil emulsion which is insusceptible to arousing the drug resistance in pests and wide in application range and has high pest repellency. The garden mineral oil emulsion comprises emulsion and garden mineral oil, wherein the main physical and technical indexes of the garden mineral oil include: a carbon atom number of medium-equivalent-weight normal alkanes of n C22.5 to 23.5; a C23 alkane content of 20 to 40 percent; and a total content of C22, C23 and C24 alkanes of 50 to 85 percent. The mineral oil emulsion of the invention is added with water to be diluted to 1:300 to 1:50 fold (volume ratio) to form a uniform water emulsion through stirring to be sprayed or to be diluted to 1:3,000 to 1:50 fold to form a water emulsion for crops or crop organs to be protected to be impregnated with, and can obviously prevent pests from landing and laying eggs on the crops or the crop organs.
Description
Technical field:
The present invention relates to a kind of garden mineral oil emulsion, being specifically related to has the good garden mineral oil emulsion of refusing the effect of keeping away to insect.
Background technology:
Food and Environmental security are the needs and the trend of modern agriculture, abuse or " 3R " problem (resistance that does not scientifically use chemical pesticide to cause, residue, resurgence, be that pest resistance to insecticide, residual and insect are rampant again), be one of the emphasis that presses for solution now, difficult point problem.It is important measures in the integrated pest management that thereby regulation and control insect behavior reduces harm to crop.The insect of Ying Yonging is refused to keep away agent and mostly is plant resource material or its synthetic substitute in the market, and this series products directly acts on the sense organ of insect, only can be effective to a kind or minority insect, and cause insect to develop immunity to drugs easily.Mineral oil is that the natural materials that natural world just had originally obtains through concise purification, all allows during international and domestic organic farming is produced to use, and to people and animals and natural environment safety, cost is not high.Set up the complete standard of a cover for the different brackets mineral oil that is used for agricultural, gardening and association area at present, the categorizing system of describing this standard is divided into Three Estate, is followed successively by mineral oil (MO), agricultural mineral oil (AMO) and garden mineral oil (HMO) with the raising of refining degree.Mineral oil does not contain any virose hydrocarbon molecules or other poisonous substance, so mineral oil all is being higher than oil or its distillation aspect refining degree and the safety.Be the oil of MO by U.S. food and FAD (USFDA) authentication, must observe the regulation of FDA 21 CFR 178.3620.Usually, the oil that is used for crop management must be observed the C regulation partly of FDA 21 CFR 178.3620.The regulation of this part only allows to use pure petroleum distillate, and does not allow the miscella that uses callable oil and mix up with impure petroleum distillate.In addition, to mineral oil also stipulate its initial boiling point under atmospheric pressure be 232 ℃ (ASTM D 447) and in each test of ASTM D 1500 maximum color be 5.5.These parameters are respectively to be used to measure molecular size and some aromatic and poisonous substance whether exist.232 ℃ initial boiling point (nC13) can show plant safety and desinsection drug effect to a certain degree, because can remove the oil of the lightweight that cause that acute poisoning and drug effect level are extremely low of deenergizing under this temperature.This prescribed limits diesel oil and kerosene (both middle equivalents just-the alkane carbon number is nC4～12), fuel oil (nC9～16) and Aviation Fuel (nC9～16) are listed in the mineral oil scope.Because these products are considered to or suspect is carcinogenic, some countries have cut down even have forbidden that it is widely used as the auxiliary agent of weed killer herbicide or weed killer herbicide in forestry and vegetation management.Extremely important part is to obey the restriction of absorption of UV among the FDA21CFR 178.3620 (c).The main target of this test is with known or suspect it is that carcinogenic phenolic compound is removed.These materials also can toxigenicity to target plant and common association of plants and animals.
Not every mineral oil all is applicable on the agricultural.The risk that mineral oil should be produced poisoning minimizes, and makes it obtain best performance aspect auxiliary agent, insecticide and the behavior of change insect again, must formulate stricter regulation to mineral oil product, therefore propose agricultural mineral oil (AMO).All can be applied to can stand wide boiling range mineral oil just on growing plants, and can be included in as the mineral oil product of active matter or auxiliary agent in this rank.The standard of agricultural mineral oil is based on the standard of mineral oil, and to require agricultural mineral oil must be to derive from alkane (C
P) crude oil that content is high, or the base stock (C of highly hydrogenated or hydrocracking
P〉=60%), with and minimum UR value be necessary for 92%.
Highest level be garden mineral oil (HMOs).Other oil of this grade can provide best insecticidal effect and plant safety for perennial plant such as trees and liane etc., especially when plant is in the season of growth, or is worth height and responsive plant such as vegetables and flowers etc.The mineral oil that the refining degree is high seems more important for the injury that this class crop of protection avoids insect and mineral oil.The standard of garden mineral oil be on the basis of the standard of agricultural mineral oil, require equivalent in the middle of it just-the alkane carbon number is between nC21～nC25, and near the nCy scope this value is 5～6 (for example, the nC23 mineral oil emulsion, its nCy scope can be nC20～26), and minimum color colourity is 0.5 in ASTM D 1500 tests, and (the difference of the nCy of mineral oil fractions when the nCy of mineral oil fractions and 10% boiling range during 90% boiling range of the nCy scope between the boiling point of its 10%～90% boiling range, the nCy that is different from the full cut of mineral oil)≤6, paraffinicity 〉=65%.The safety of HMOs is than the height of AMOs.Because petrochemistry has had huge progress, people are not as the source of paying attention to crude oil so and influence that some physicochemical characteristics of finished product was once caused thereof in the past over nearly 40 years.At present, can mix various dissimilar mineral oil, purifying and synthetic, adopt these methods, can produce the effective mineral oil product that satisfies different needs.
Because the mechanism of action, active ingredient and effect characteristics thereof that the past refuses to keep away insect to mineral oil emulsion are all unclear, the main design object of mineral oil emulsion in the market is directly to kill off the insect pests, there is the active constituent content of refusing the effect of keeping away not high or unstable to insect, it is on the low side even do not refuse the effect of keeping away to refuse avoiding effect, and bigger limitation is arranged in production application.We find that mineral oil all refuses the effect of keeping away to all insects, it to insect refuse the effect of keeping away mainly be since mineral oil to the physical containment effect of plant corpus information, up to the present still unknown but it works effective ingredient and the content thereof of refusing the effect of keeping away.
Summary of the invention:
The purpose of this invention is to provide that a kind of insect is difficult for developing immunity to drugs, applied range, insect had the garden mineral oil emulsion of well refusing the effect of keeping away.
The inventor carries out further fractionation from existing agricultural mineral oil, obtain a kind of garden mineral oil, and the main physical and chemical index of this garden mineral oil is:
(1) the normal alkane carbon number of equivalent is nC22.5-23.5 in the middle of;
(2) C23 alkane content is 20%～40%;
(3) C22, C23 and C24 alkane content summation are 50%～85%;
The inventor finds that this garden mineral oil not only can kill off the insect pests, and can also have the good effect of keeping away of refusing to insect, obtains the present invention thus.
With the emulsifier emulsification of above-mentioned garden mineral oil, be the garden mineral oil emulsion of refusing the effect of keeping away that insect is had of the present invention.
The preferred physical and chemical index of garden mineral oil of the present invention is:
(1) the normal alkane carbon number of equivalent is nC23.5 in the middle of;
(2) C23 alkane content is 20.06%;
(3) C22, C23 and C24 alkane content summation are 51.16%;
Garden mineral oil of the present invention is to use known traditionally method, can can be prepared according to existing known method by selecting distillation air pressure and vapo(u)rizing temperature by the lubricating oil that meets agricultural mineral oil emu standard, those skilled in the art are readily appreciated that.Garden mineral oil of the present invention can be by known way by known oil plant preparation, and therefore the knowledge of the physical and chemical parameter that described garden mineral oil of the present invention provided repeats to obtain easily.This garden mineral oil is added an amount of emulsifier promptly obtain the garden mineral oil emulsion of refusing the effect of keeping away that has of the present invention.
Emulsifier in the garden mineral oil emulsion of the present invention, be meant some known emulsifier that can usefulness of those skilled in the art, as NESEMULER 927 emulsifier etc., according to emulsifier type, join according to the amount of routine and to carry out emulsification in the mineral oil, then be used for the control of insect.
The normal alkane carbon number (Median Equivalent n-paraffin Carbon Number) of equivalent is meant that the mid-boiling point of mineral oil is equivalent to the boiling point of the normal alkane of this carbon number in the middle of described, for example the mid-boiling point of this mineral oil is equivalent to the boiling point of the normal alkane of 23 carbon atoms of a tool, this oil promptly is called nC23 and (sees DJ Rae, GAC Beattie, yellow lightness etc. mineral oil emulsion and application thereof-insect Sustainable Control and green agriculture .2006, Guangzhou: Guangdong science and technology publishing house, P16-17).
Described C22, C23, C24 alkane, be respectively alkane with 22,23,24 carbon atoms (see DJ Rae, GAC Beattie, yellow lightness etc. mineral oil emulsion and application thereof-insect Sustainable Control and green agriculture .2006, Guangzhou: Guangdong science and technology publishing house, P16-17).The alkane content of each carbon number with reference to ASTM D5442 standard method carry out the carbon number distribution analysis.
Described 10% boiling range just-alkane carbon equivalent (nCy) is meant that the boiling point that steams mineral oil 10% is equivalent to the boiling point of the normal alkane of this carbon number, for example this mineral oil steams the boiling point that 10% boiling point is equivalent to the normal alkane of 22 carbon atoms of a tool, this oil promptly is called nC22, in like manner 90% boiling range just-alkane carbon equivalent (nCy) is meant and steams the boiling point that 90% boiling point is equivalent to the normal alkane of this carbon number.Between the boiling point of 10%～90% boiling range just-alkane carbon equivalent (nCy) scope be meant 90% boiling range just-alkane carbon equivalent (nCy) and 10% boiling range just-alkane carbon equivalent (nCy) just-alkane carbon equivalent (nCy) is poor (sees DJ Rae, GAC Beattie, yellow lightness etc. mineral oil emulsion and application thereof-insect Sustainable Control and green agriculture .2006, Guangzhou: Guangdong science and technology publishing house, P16-17).The normal alkane carbon number of middle equivalent, 10% and 90% boiling range just-the alkane carbon equivalent can carry out gas Chromatographic Simulation distillation test with reference to ASTM D7169 standard method and obtain.
(Unsulfonated Residue is that mineral oil is through distilling and make the tolerance of the refining degree after refining UR) to described non-sulfonated bodies value.Its expression is easy to the ratio of molecular amounts of oxidation (particularly under ultraviolet irradiation) most, thereby has shown and spray the potential risk that produces acute poisoning behind the mineral oil.Determine that the method for UR value sees ASTM D 483.It is higher that the UR value is not less than the ratio of the stable hydrocarbon that contains in 92% the mineral oil, and the impurity that does not contain the high activity of tool, show that mineral oil high-quality and low poisoning risk (see DJ Rae, GAC Beattie, yellow lightness etc. mineral oil emulsion and application thereof-insect Sustainable Control and green agriculture .2006, Guangzhou: Guangdong science and technology publishing house, P18).
With mineral oil emulsion of the present invention; thin up 50～300 times (volume ratios) stirs into that uniform aqueous emulsion sprays or 100-3000 aqueous emulsion is doubly dipped shielded crop or crop organ; can significantly reduce the land of insect on crop or crop organ and lay eggs, the protection timeliness can reach 18 days at most (deciding along with pest species, floristics and environmental condition).
Beneficial effect of the present invention is as follows:
Mineral oil emulsion of the present invention imposes on crop or its organ, can form more complete oil film crop or its organ surface, cause crop to attract the volatile component of insect to be difficult to be released to the space, when therefore can utilize mineral oil emulsion to kill off the insect pests, also can significantly reduce insect in crop or its organ surface land with lay eggs, and play the effect of well refusing to keep away insect.The present invention is because the mineral oil emulsion conduct of using refuses to keep away the agent use, not only has the good avoiding effect of refusing, and refuse to keep away agent such as plant resource material or its synthetic substitute with existing insect of using in the market and compare, not only control spectrum is wide, various pests is all refused the effect of keeping away, and, therefore can make insect be difficult for developing immunity to drugs because its sealing crop attracts the volatile components of insect to be released to the space.Mineral oil emulsion of the present invention, compare with mineral oil emulsion commonly used in the market, can reduce insect significantly in crop or its organ surface land with lay eggs, refuse avoiding effect apparently higher than in the market mineral oil emulsion commonly used, utilize mineral oil emulsion of the present invention, thin up 200 times (volume ratios) stirs and dips the banana fruit, compare with the clear water contrast, the hole count of laying eggs of dacus dorsalis can reduce more than 80%, and with the general mineral oil emulsion of existing market, the general 30-40% that reduces refuses under the avoiding effect in same laying eggs, and its consumption also lacks than the mineral oil in existing market, therefore greatly reduce use cost, as the mineral oil emulsion that mineral oil of the present invention is made into, the effect that thin up is 250 times, the emulsion thin up that is made into mineral oil on the market is identical to 80-150 effect doubly.Therefore utilize the present invention not only remaining or the laying eggs of insect of newly moving into to be refused the effect of keeping away; can obviously prolong it to the protection timeliness of crop and reduce insect offspring's population quantity; cover crop more effectively; and it is bigger to build; the insect that can not directly kill produces to get food significantly and lay eggs refuses the effect of keeping away; enlarged control spectrum to insect; significantly increase its range of application on producing and comprehensive control evil benefit; reduce use to greatest extent to environment and human body harmful's synthetic organic chemistry agricultural chemicals; can better take into account " 3E " (effectiveness; efficiency; environment promptly renders a service; efficient and environment) in aspects.
Description of drawings:
Fig. 1 be six fractions mineral oil middle equivalent just-the lay eggs schematic diagram that concerns of hole count of alkane carbon number nCy and citrus fruit fly: A is meant that fraction A, B are meant that fraction B, C are meant that cut C, D are meant that cut D, E are meant that cut E, F are meant cut F; Fig. 2 be four kinds of mineral oil emulsions middle equivalent just-the lay eggs schematic diagram that concerns of hole count of alkane carbon number nCy and citrus fruit fly, 1 is meant that mineral oil emulsion 1,2 is meant that mineral oil emulsion 2,3 is meant that mineral oil emulsion 3,4 is meant mineral oil emulsion 4.
Embodiment
The present invention is described further below in conjunction with embodiment, but be not limitation of the present invention.
Buy four kinds of mineral oil emulsions commonly used from the market, mineral oil emulsion 1, mineral oil emulsion 2, mineral oil emulsion 3 and mineral oil emulsion 4, with molecular clock (Molecular distillation, Short Path Distillation) mineral oil emulsion 1, mineral oil emulsion 2 are carried out fractionation, the molecular still model is DCH70, and Guangzhou high-new isolation technics Co., Ltd in U.S. morning produces.Shown in the parameter list 1 of mineral oil molecular clock:
Table 1
Molecular clock molecular clock for the second time for the first time
120 ℃ 105 ℃ 110 ℃ of evaporating surface temperature
65 ℃ 65 ℃ 60 ℃ of cryosurface temperature
70 ℃ 70 ℃ 70 ℃ of interlayer temperature
Knifing speed 200r/min 200r/min 206r/min
Vacuum＜0.5Pa＜0.5Pa＜0.5Pa
Light component quality 140.3g 46.8g 61.0g
Heavy ends quality 21.3g 21.1g 17.5g
Each component of table 2 mineral oil molecular clock and mass percent
To four kinds of mineral oil emulsions (mineral oil emulsion 1, mineral oil emulsion 2, mineral oil emulsion 3 and mineral oil emulsion 4) and six kinds of cuts (A, B, C, D, E and F), the gas Chromatographic Simulation distillation is carried out in standard method with reference to ASTM D7169, and the carbon number distribution analysis is carried out in standard method with reference to ASTM D5442.Utilize the mineral oil boiling range of high resolution gas chromatography simulation distil, the boiling range of various mineral oil is as shown in table 3.Its carbon number distribution result (mass percent) as shown in table 5.NCy according to carbon number distribution and simulation distil gained is as shown in table 4.
Table 3
The difference of table 4 carbon number distribution and simulation distil gained nCy
Both difference maximums have only 2.292%, and reasonable reliability is arranged.
(1) mineral oil emulsion is to the control test (selectivity test) of dacus dorsalis.
The hole counts of laying eggs under Comparative Examples 1,2,3 and the 4 kinds of mineral oil emulsion effects of 4 tests, its testing time, test condition (as using same batch worm) basically identical.
Comparative Examples 1:
According to table 4 and table 5 as can be known, its physical and chemical index is as follows:
The normal alkane carbon number of middle equivalent is nC22.55; C23 content is 17.93%; The content summation of C22, C23 and C24 (content is respectively 16.13%, 17.93%, 15.44%) is 49.5%.Get 4ml and be diluted to 200 times of water liquid, blue or green banana dries 2h after immersing, and mixed liquid stirred with magnetic stirrer when blue or green banana immersed.The blue or green banana that will dry and 30 couples of dacus dorsalis Bactrocera dorsalis (Hendel) put together, and 48h checks and respectively handles the hole count of laying eggs on the banana fruit.Its result is as shown in table 6.
Comparative Examples 2:
According to table 4 and table 5 as can be known, its physical and chemical index is as follows:
The normal alkane carbon number of middle equivalent is nC24.3; C23 content is 12.99%; The content summation of C22, C23 and C24 (content is respectively 9.27%, 12.99%, 15.74%) is 38%.Get 4ml and be diluted to 200 times of water liquid, blue or green banana dries 2h after immersing, and mixed liquid stirred with magnetic stirrer when blue or green banana immersed.The blue or green banana that will dry and 30 pairs of dacus dorsalises are put together, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs.Its result is as shown in table 6.
Comparative Examples 3:
According to table 4 and table 5 as can be known, its physical and chemical index is as follows:
The normal alkane carbon number of middle equivalent is nC24.2; C23 content is 13.97%; The content summation of C22, C23 and C24 (content is respectively 11.94%, 13.97%, 12.48%) is 38.39%.Get 4ml and be diluted to 200 times of water liquid, blue or green banana dries 2h after immersing, and mixed liquid stirred with magnetic stirrer when blue or green banana immersed.The blue or green banana that will dry and 30 pairs of dacus dorsalises are put together, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs.Its result is as shown in table 6.
Comparative Examples 4:
According to table 4 and table 5 as can be known, its physical and chemical index is as follows:
The normal alkane carbon number of middle equivalent is nC19.5; C23 content is 3.2%; The content summation of C22, C23 and C24 (content is respectively 6.22%, 3.2%, 0.23%) is 9.65%.Get 4ml and be diluted to 200 times of water liquid, blue or green banana dries 2h after immersing, and mixed liquid stirred with magnetic stirrer when blue or green banana immersed.The blue or green banana that will dry and 30 pairs of dacus dorsalises are put together, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs.Its result is as shown in table 6.
The CK contrast is for using clear water according to the method processing same with above-mentioned Comparative Examples, and its experimental result is as shown in table 6
(2) mineral oil emulsion is to the control test (paired comparisons test) of dacus dorsalis.
Get mineral oil emulsion 1, mineral oil emulsion 2, mineral oil emulsion 3 and mineral oil emulsion 4 each 4ml, be diluted to 200 times of water liquid, blue or green banana immerses in each dilution, dries 2h, and mixed liquid stirred with magnetic stirrer when blue or green banana immersed.All were handled through mineral oil emulsion, and the banana after drying is put into the net cage that same cage contains dacus dorsalis simultaneously, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs, and calculates its trend index of laying eggs.The hole count of laying eggs in the trend of laying eggs index=processing/(hole count of laying eggs in the hole count+contrast of laying eggs in the processing) * 100%.Index has illustrated sucking action greater than 50%, less than 50%, the effect of keeping away of refusing has been described, numerical value is more little, illustrates that to refuse the effect of keeping away strong more.The CK contrast is handled after the same method for using clear water.
Result is as shown in table 7.
(3) each fraction is to the control test of dacus dorsalis.
Comparative Examples 5-9 and embodiment 1, its testing time, test condition (as using same batch worm) basically identical.
Comparative Examples 5:
Fraction A
According to table 4 and table 5 as can be known, its physical and chemical index is as follows:
The normal alkane carbon number of middle equivalent is nC22.10; C23 content is 19.45%; The content summation of C22, C23 and C24 (content is respectively 18%, 19.45%, 13.46%) is 50.91%.Get the heating of 4ml fraction A and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 200 times of water liquid.Dry 2h after blue or green banana immerses, mixed liquid stirred with magnetic stirrer when blue or green banana immersed.The blue or green banana that will dry and 30 pairs of dacus dorsalises are put together, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs.Its result is as shown in table 8.
Comparative Examples 6:
Fraction B
According to table 4 and table 5 as can be known, its physical and chemical index is as follows:
The normal alkane carbon number of middle equivalent is nC24.5; C23 content is 12.59%; The content summation of C22, C23 and C24 (content is respectively 7%, 12.59%, 17.81%) is 37.4%.Get the heating of 4ml fraction B and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 200 times of water liquid.Dry 2h after blue or green banana immerses, mixed liquid stirred with magnetic stirrer when blue or green banana immersed.The blue or green banana that will dry and 30 pairs of dacus dorsalises are put together, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs.Its result is as shown in table 8.
Comparative Examples 7:
Fraction C
According to table 4 and table 5 as can be known, its physical and chemical index is as follows:
The normal alkane carbon number of middle equivalent is nC21.9; C23 content is 18.6%; The content summation of C22, C23 and C24 (content is respectively 19.54%, 18.6%, 11.5%) is 49.64%.Get the heating of 4ml fraction C and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 200 times of water liquid.Dry 2h after blue or green banana immerses, mixed liquid stirred with magnetic stirrer when blue or green banana immersed.The blue or green banana that will dry and 30 pairs of dacus dorsalises are put together, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs.Its result is as shown in table 8.
Comparative Examples 8:
Fraction E
According to table 4 and table 5 as can be known, its physical and chemical index is as follows:
The normal alkane carbon number of middle equivalent is nC23.86; C23 content is 15.99%; The content summation of C22, C23 and C24 (content is respectively 10.74%, 15.99%, 17.44%) is 44.17%.Get the heating of 4ml fraction E and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 200 times of water liquid.Dry 2h after blue or green banana immerses, mixed liquid stirred with magnetic stirrer when blue or green banana immersed.The blue or green banana that will dry and 30 pairs of dacus dorsalises are put together, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs.Its result is as shown in table 8.
Comparative Examples 9:
Fraction F
According to table 4 and table 5 as can be known, its physical and chemical index is as follows:
The normal alkane carbon number of middle equivalent is nC26.04; C23 content is 7.28%; The content summation of C22, C23 and C24 (content is respectively 3.7%, 7.28%, 11.71%) is 22.69%.Get the heating of 4ml fraction F and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 200 times of water liquid.Dry 2h after blue or green banana immerses, mixed liquid stirred with magnetic stirrer when blue or green banana immersed.The blue or green banana that will dry and 30 pairs of dacus dorsalises are put together, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs.Its result is as shown in table 8.
Embodiment 1:
Fraction D
The normal alkane carbon number of middle equivalent is nC23.5; C23 content is 20.06%; (it is 51.16% that content is respectively 13.68%, 20.06%, 17.42% content summation for C22, C23 and C24.Get the heating of 4ml fraction D and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 200 times of water liquid.Dry 2h after blue or green banana immerses, mixed liquid stirred with magnetic stirrer when blue or green banana immersed.The blue or green banana that will dry and 30 pairs of dacus dorsalises are put together, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs.Its result is as shown in table 8.
Table 74 kind of mineral oil emulsion refuses to keep away effect ((paired comparisons test-banana) to laying eggs of citrus fruit fly
Annotate: in the table after the same column data the different alphabetical persons of tool represent significant difference (P＜0.05, Duncan variance analysis).
Each component of table 8 mineral oil molecular clock refuses to keep away effect relatively to laying eggs of dacus dorsalis
Annotate: in the table after the same column data the different alphabetical persons of tool represent significant difference (P＜0.05, Duncan variance analysis)
Each the mineral oil nCy (table 4) that obtains respectively with table 6 and table 8 in relevant living measured value input SPSS analysis software, with the Graphs-Interactive-line mapping, as depicted in figs. 1 and 2.
Each mineral oil carbon number content (table 5) of obtaining respectively with table 6, table 7 and table 8 in relevant living measured value carry out correlation analysis, the result is as shown in table 9 for its correlation analysis.
As can be seen, having the best, to refuse the normal alkane carbon number of middle equivalent of the mineral oil emulsion of avoiding effect be nC22.5-23.5 from Fig. 1 and Fig. 2.
No matter can show from table 9, be in mineral oil emulsion or the fractionation component, the content of C23 and citrus fruit fly lay eggs hole count, the trend of laying eggs index remarkable negative correlation; The content summation of C22, C23 and C24 also with citrus fruit fly lay eggs hole count, the trend of laying eggs index remarkable negative correlation.That is to say no matter be in mineral oil emulsion or the fractionation component, the content of C23 with citrus fruit fly is refused the remarkable positive correlation of avoiding effect; The content summation of C22, C23 and C24 also with citrus fruit fly is refused the remarkable positive correlation of avoiding effect.Just can illustrate that also the C23 content content summation high more and/or C22, C23 and C24 in the mineral oil is high more, its to insect to refuse the effect of keeping away strong more, to insect to refuse avoiding effect good more.
Embodiment 2:
Get the heating of 4ml fraction D and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 200 times of water liquid.Handle the oranges and tangerines leaf.With three kinds of mineral oil emulsions commonly used on the market: mineral oil emulsion 2, mineral oil emulsion 3 and mineral oil emulsion 4, use same dosage, same method is handled the oranges and tangerines leaf, its result of the test is as shown in table 10, and the avoiding effect of refusing of present embodiment mineral oil in fluid emulsion is better than mineral oil emulsion commonly used on the above-mentioned market far away.
Embodiment 3:
Get the heating of 4ml fraction D and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 200 times of (volume ratio) water liquid, stir and dip the banana fruit, compare with the clear water contrast, the hole count of laying eggs of dacus dorsalis can reduce more than 80%.Mineral oil emulsion 2, mineral oil emulsion 3 and mineral oil emulsion 4 are used same dosage, and same method is handled the banana fruit, compare with the clear water contrast, and the hole count of laying eggs generally reduces 30-40%.Result of the test is as shown in table 10, refuses avoiding effect in the present embodiment and is better than mineral oil emulsion general on the above-mentioned market far away.
Embodiment 4:
Get the heating of 4ml fraction D and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 200 times of water liquid, handle pumpkin.Mineral oil emulsion 2, mineral oil emulsion 3 and mineral oil emulsion 4 are used same dosage, and same method is handled, and its result is as shown in table 10, refuse avoiding effect in the present embodiment and are better than mineral oil emulsion commonly used on the market far away.
Table 10 patent application mineral oil is to the effect of keeping away of refusing of insect
Embodiment 5:
Citrus fruit fly is a kind of insect serious and that be difficult to prevent and treat that endangers, and its adult can lay eggs in the fruit of various plants, and the larva moth food pulp after the hatching causes fruit to be badly damaged.The albumen attractant can be obtained and control effect preferably, but the orchard worker dare not use separately, is afraid of to attract more insect.Under high insect density, use the albumen attractant separately, the citrus fruit fly of average every fruit the hole count of laying eggs can reach 29.667 ± 4.177, fruit is by spawning rate 100%, cooperate mineral oil emulsion thin up of the present invention 150 times (volume ratios) to spray banana, the citrus fruit fly of average every fruit the hole count of laying eggs is reduced to 7.000 ± 0.557, fruit serviceability rate 38.888%.Under low insect density, control efficiency is attained in ideal.
Embodiment 6:
Get the heating of 4ml fraction D and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 250 times of water liquid, handle banana, it is laid eggs, and to refuse avoiding effect be 75%, and commonly used mineral oil emulsion 4 can only thin up to 80 times on the market, just can reach identical effect (lay eggs and refuse avoiding effect 75%).Use mineral oil emulsion of the present invention to reduce amount of application significantly, reduced use cost.
Embodiment 7:
Get the heating of 4ml fraction D and 200 μ l NESEMULER, 927 emulsifier fully mixed after, be diluted to 200 times of (volume ratio) water liquid, stir and dip blue or green banana, blue or green banana dries 2h after immersing, mixed liquid stirred with magnetic stirrer when blue or green banana immersed; Get 4ml fraction D, be diluted to 200 times of (volume ratio) water liquid, handle banana with same method; Get mineral oil emulsion 1,4ml is diluted to 200 times of (volume ratio) water liquid, handles blue or green banana with same method; Get 4ml mineral oil emulsion 2, be diluted to 200 times of (volume ratio) water liquid, handle blue or green banana with same method; 4 repetitions are done in every kind of processing, and the blue or green banana that above-mentioned each processing is dried is put together with 30 pairs of dacus dorsalises respectively, and 48h checks the hole count of respectively handling on the banana fruit of laying eggs, and its result is as shown in table 11.
Laying eggs of table 11 mineral oil fractionation D component and mineral oil emulsion commonly used refuses to keep away effect relatively
Annotate: in the table after the same column data the different alphabetical persons of tool represent significant difference (P＜0.05, Duncan variance analysis).
Fraction D adds emulsifier and does not add two kinds of processing of emulsifier as can be seen from the above table, difference on effect is little, there is not significance, but these two kinds of processing and existing mineral oil emulsion: it is more remarkable that mineral oil emulsion 1 and mineral oil emulsion 2 are compared diversity ratio, this shows that the avoiding effect of refusing to insect of fraction D is significantly higher than existing market mineral oil emulsion 1 and mineral oil emulsion 2 commonly used.
Embodiment 8:
Obtain a kind of mineral oil from the pilat fractionation screening that meets agricultural mineral oil emu standard, this mineral oil meets the horticultural mineral oil standard
According to International Standards Method, parameters such as boiling range, carbon number are analyzed (analytical method is referring to the summary of the invention part), its main physical and chemical index is as follows:
Between the boiling point of 10%～90% boiling range just-alkane carbon equivalent (nCy) scope≤5;
The normal alkane carbon number of middle equivalent is nC22.5;
C23 alkane content is 20%;
C22, C23, C24 (its content is respectively 18%, 20%, 13%) alkane content summation are 51%;
Non-sulfonated bodies value 〉=92%;
Paraffinicity 〉=65%;
This mineral oil adds an amount of emulsifier, promptly has good refusing and keeps away the insect effect.
Embodiment 9:
Obtain a kind of mineral oil from the pilat fractionation screening that meets agricultural mineral oil emu standard, this mineral oil meets the horticultural mineral oil standard
According to International Standards Method, parameters such as boiling range, carbon number to be analyzed, its main physical and chemical index is as follows:
Between the boiling point of 10%～90% boiling range just-alkane carbon equivalent (nCy) scope≤5
The normal alkane carbon number of middle equivalent is nC23.5;
C23 alkane content is 30%;
C22, C23, C24 (its content is respectively 10%, 30%, 21%) alkane content summation are 61%;
Non-sulfonated bodies value 〉=92%;
Paraffinicity 〉=65%;
This mineral oil adds an amount of emulsifier, promptly has good refusing and keeps away the insect effect.
Embodiment 10:
Obtain a kind of mineral oil from the pilat fractionation screening that meets agricultural mineral oil emu standard, this mineral oil meets the horticultural mineral oil standard
According to International Standards Method, parameters such as boiling range, carbon number to be analyzed, its main physical and chemical index is as follows:
Between the boiling point of 10%～90% boiling range just-alkane carbon equivalent (nCy) scope≤5
The normal alkane carbon number of middle equivalent is nC23.5;
C23 alkane content is 38%;
C22, C23, C24 (its content is respectively 10%, 38%, 21%) alkane content summation are 69%;
Non-sulfonated bodies value 〉=92%;
Paraffinicity 〉=65%;
This mineral oil adds an amount of emulsifier, promptly has good refusing and keeps away the insect effect.
Claims (2)
1. one kind has the garden mineral oil emulsion of refusing the effect of keeping away to insect, comprises emulsifier and garden mineral oil, it is characterized in that the main physical and chemical index of described garden mineral oil is:
(a) the normal alkane carbon number (nCy) of equivalent is nC22.5～23.5 in the middle of;
(b) C23 content is 20%～40%;
(c) C22, C23, C24 content summation 50%～85%;
2. garden mineral oil emulsion according to claim 1 is characterized in that the main physical and chemical index of described garden mineral oil is:
(a) the normal alkane carbon number of equivalent is nC23.5 in the middle of;
(b) C23 content is 20.06%;
(c) C22, C23, C24 content summation are 51.16%;
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102939957A (en) * | 2012-11-21 | 2013-02-27 | 昆山玳权贸易有限公司 | Refined mineral oil emulsion, preparation method and application thereof |
| CN105613528A (en) * | 2016-02-05 | 2016-06-01 | 烟台顺隆化工科技有限公司 | Pesticide for controlling Euaresta aequalis |
| CN106718394A (en) * | 2016-11-30 | 2017-05-31 | 湖南师范大学 | Oranges and tangerines trypetid Synthetical prevention method based on PUSH PULL strategies |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101238820A (en) * | 2007-02-05 | 2008-08-13 | 广东省昆虫研究所 | Application of mineral oil in using as fruit tree bud inhibitor |
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| CN101238820A (en) * | 2007-02-05 | 2008-08-13 | 广东省昆虫研究所 | Application of mineral oil in using as fruit tree bud inhibitor |
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| 欧阳革成等: "4种矿物油乳剂对柑橘小实蝇和柑橘木虱产卵行为的影响", 《植物保护》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102939957A (en) * | 2012-11-21 | 2013-02-27 | 昆山玳权贸易有限公司 | Refined mineral oil emulsion, preparation method and application thereof |
| CN105613528A (en) * | 2016-02-05 | 2016-06-01 | 烟台顺隆化工科技有限公司 | Pesticide for controlling Euaresta aequalis |
| CN106718394A (en) * | 2016-11-30 | 2017-05-31 | 湖南师范大学 | Oranges and tangerines trypetid Synthetical prevention method based on PUSH PULL strategies |
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