CN102885042A - Environment-friendly potato field weeding combination - Google Patents
Environment-friendly potato field weeding combination Download PDFInfo
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- CN102885042A CN102885042A CN201210424065XA CN201210424065A CN102885042A CN 102885042 A CN102885042 A CN 102885042A CN 201210424065X A CN201210424065X A CN 201210424065XA CN 201210424065 A CN201210424065 A CN 201210424065A CN 102885042 A CN102885042 A CN 102885042A
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Abstract
The invention relates to a weeding combination and particularly relates to an environment-friendly potato field weeding combination. The combination aims to solve problems that a conventional weedicide is not environment-friendly, difficult to operate, not stable in control effect and high in cost. The environment-friendly potato field weeding combination is composed of acetochlor, soybean oil, an emulsifier for the acetochlor and pine-stump light oil, wherein the emulsifier for the acetochlor is formed by mixing calcium dodecyl benzene sulfonate, phenethyl phenol polyoxyethylene ether and castor oil polyoxyethylene ether. The environment-friendly potato field weeding combination disclosed by the invention is capable of effectively controlling annual gramineous weeds and part broad-leaf weeds propagated by small seeds in potato fields, safe to potatoes, stable in weeding effect and environment-friendly; compared with the conventional weedicide using a turpentine solvent, the combination using the pine-stump light oil has the advantages that the production cost is reduced and the weed controlling effect of acetochlor missible oil taking the pine-stump light oil as the solvent is better through beneficial constituents such as wood vinegar and the like in the pine-stump light oil. The combination disclosed by the invention is safe in formula, convenient to use and easy to popularize.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations.
Background technology
Potato is one of main economic crops of China, and the potato weeds in field is having a strong impact on the Quality and yield of potato.At present, the application of chemical herbicide has improved labor productivity greatly, has alleviated labour intensity, has saved spending, has effectively controlled weeds propagation and widespread, but the ecological environmental pollution that thereupon brings also more and more draws attention.
Selectivity bud pre-treatment weed killer herbicide trefanocide, Pendimethalin, napropamide, the Amex820s etc. of adopting carry out closed soil treatment more before the potato fields seedling.
Trefanocide, Acetochlor or the isopropyl methoxalamines of adopting carried out closed soil treatment more before potato was broadcast rear seedling, they are good to the broad leaved weed preventive effect of annual gramineous weed and small-sized seed, but trefanocide sprays the uneven preventive effect that affects, spray easily photodissociation inefficacy in the process, and trefanocide rear longevity of residure that is manured into soil is longer, and the sensitive crops such as lower batch Chinese sorghum, paddy rice are easily produced poisoning.The auxiliary agent of Acetochlor and isopropyl methoxalamine all contains the light arene compounds such as toluene, dimethylbenzene, and contaminated environment affects human health.
Adopt haloxyfop-r-methyls, efficient fluazifop to carry out the cauline leaf processing more behind the potato fields seedling and prevent and kill off grassy weed, but invalid to broad leaved weed.
Acetochlor, chemical name: 2-ethyl-6 methyl-N-ethoxyl methyl-alpha-chloro acetanil, by the About Monsanto Chemicals develop, be mainly used in corn, cotton, beans, peanut, potato, rape, garlic, tobacco, sunflower, castor-oil plant, shallot etc.Acetochlor mainly absorbs by the hypocotyl of monocotyledonous coleoptile or dicotyledon, absorbs backward upper conduction, and mainly Cell growth inhibition stops weeds young shoot, young root growth by impede protein matter is synthetic, and then dead.Acetochlor is about 45 days lasting periods in soil, and mainly by microbial degradation, the mobility in soil is little, mainly remains in the 0-3 cm layer of soil.Acetochlor is one of weed killer herbicide of China's usage amount maximum.Commercially available acetochlor ec, its composition are acetochlor tc, benzene class organic solvent, emulsifier etc.The extensive application of its solvent all more and more causes people's attention to the pollution of ecotope, to the consumption of non-renewable resources.
At present, the research of environment-friendly type auxiliary agent gradually deeply, turpentine oil is used by chemical and medicine industry field broad research with its environmental protection, the advantage such as renewable.Having introduced turpentine oil and 4 hydroxy coumarin in the Chinese patent " a kind of herbicide safety additive (application number: ZL200510048571.3; applicant: Dang Yongfu; the applying date: 2005.11.18) " is mixed and improves herbicidal effect as herbicide safety additive, wherein turpentine oil is by after the pine roots destructive distillation, making through further purifying, is that manufacturing technique requirent is strict take firpene as main multiple terpene hydrocarbon mixture, cost is higher, makes application limited.
Summary of the invention
The present invention seeks to solve the contaminated environment of existing weed killer herbicide existence, the problem that not easy to operate, preventive effect is unstable and cost is high, and a kind of environment-friendly type potato fields Herbicidal combinations is provided.
Environment-friendly type potato fields Herbicidal combinations of the present invention is comprised of 30～85 parts of Acetochlors, 1～30 portion of soybean oil, 5～20 parts of Acetochlor emulsifier specials and 3～30 parts of stump lights by weight; Wherein the Acetochlor emulsifier special be by calcium dodecyl benzene sulfonate, phenethyl phenylol APEO, castor oil polyoxyethylene ether by (1～3): (1.5～4): the mass ratio of (2～8) mixes at normal temperatures and pressures.
The stump light that uses in the environment-friendly type potato fields Herbicidal combinations of the present invention is the by product of producing in the pine tar process, can obtain destructive distillation turpentine through further purification, as seen, the stump light simple in production process operation, it is that raw material can better be saved cost that stump light is adopted in easily acquisition, so the present invention.Stump light is to be made by the pine roots destructive distillation, and its raw material sources are extensive, does not fight for existing grain living resources, and is with low cost, can be made by destructive distillation such as the pine roots that stays after felling, pine tree branches and leaves, pine barks.Stump light mainly contains the compositions such as pyroligneous liquor, terpene hydrocarbon, phenols, terpenol, at present main as fuel or after simple process as paint solvent, or do further purification, its value not yet is fully used.Than turpentine oil, the beneficiating ingredient of stump light and price advantage have determined that it is applied to the weed killer herbicide field of solvents and has very large economic worth and application prospect.
Environment-friendly type potato fields Herbicidal combinations of the present invention can effectively be prevented and kill off the annual gramineous weed of potato fields and the broad leaved weed of part small-sized seed breeding, and to potato safety, herbicidal effect is stable.The soybean oil that the present invention uses can strengthen the plate-out ability of medicament on weeds, reduces the weed killer herbicide consumption, improves preventive effect; Resistance of rainwater washing against; After being absorbed by soil, change into organic matter, increase soil fertility; Reduce the use of non-renewable resources; Free from environmental pollution, environmentally friendly; To bio-safeties such as people, animal, honeybee, bird, fish, silkworms.Stump light among the present invention mainly contains the compositions such as pyroligneous liquor, terpene hydrocarbon, phenols, terpenol, and wherein pyroligneous liquor has the effect of fungi-proofing, expelling parasite, inhibition weed growth, the K that it contains, Ca, Mg, Zn, Ge, Mn, the mineral matters such as Fe have effect to improvement soil and raising Potato Quality.The material molecules such as the alcohols in the stump light, aldehydes, ketone are less than hydrone, can be penetrated into well in the tissues such as leaf, root of crop to go, thereby bring into play better drug effect, reduce the agricultural chemicals usage amount.Than benzene class organic solvent, stump light has reduced the consumption of nonrenewable resources, has reduced environmental pollution; Than the turpentine oil solvent, the use of stump light has reduced production cost, and the beneficiating ingredients such as pyroligneous liquor in the stump light to make stump light be that the preventing weeding weeds effect of acetochlor ec of solvent is more excellent.Prescription safety of the present invention, environmental protection, easy to use, cost is low, be easy to promote.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises any combination between each embodiment.
Embodiment one: present embodiment environment-friendly type potato fields Herbicidal combinations is comprised of 30～85 parts of Acetochlors, 1～30 portion of soybean oil, 5～20 parts of Acetochlor emulsifier specials and 3～30 parts of stump lights by weight; Wherein the Acetochlor emulsifier special be by calcium dodecyl benzene sulfonate, phenethyl phenylol APEO, castor oil polyoxyethylene ether by (1～3): (1.5～4): the mass ratio of (2～8) mixes at normal temperatures and pressures.
The preparation method of above-mentioned environment-friendly type potato fields Herbicidal combinations, carry out according to the following steps: take by weighing by weight 30～85 parts of Acetochlors, 1～30 portion of soybean oil, 5～20 parts of Acetochlor emulsifier specials and 3～30 parts of stump lights, join in the reactor, speed with 80～100r/min stirs 30～60min at normal temperatures and pressures, namely finishes the preparation of environment-friendly type potato fields Herbicidal combinations; Wherein the Acetochlor emulsifier special is calcium dodecyl benzene sulfonate, phenethyl phenylol APEO, castor oil polyoxyethylene ether by (1～3): (1.5～4): the mass ratio of (2～8) mixes at normal temperatures and pressures.
Present embodiment environment-friendly type potato fields Herbicidal combinations is used for preventing and kill off the annual gramineous weed of potato fields and the broad leaved weed of part small-sized seed breeding.
The environment-friendly type potato fields Herbicidal combinations of preparation gained, its emulsion stability of inspection by sampling, moisture, pH value, heat storage stability, low-temperature stability, qualified rear by the packing specification can.
Embodiment two: what present embodiment and embodiment one were different is: environment-friendly type potato fields Herbicidal combinations is comprised of 30 parts of Acetochlors, 30 portions of soybean oils, 20 parts of Acetochlor emulsifier specials and 20 parts of stump lights by weight.Other is identical with embodiment one.
Embodiment three: what present embodiment and embodiment one were different is: environment-friendly type potato fields Herbicidal combinations is comprised of 50 parts of Acetochlors, 15 portions of soybean oils, 12 parts of Acetochlor emulsifier specials and 23 parts of stump lights by weight.Other is identical with embodiment one.
Embodiment four: what present embodiment and embodiment one were different is: environment-friendly type potato fields Herbicidal combinations is comprised of 75 parts of Acetochlors, 5 portions of soybean oils, 10 parts of Acetochlor emulsifier specials and 10 parts of stump lights by weight.Other is identical with embodiment one.
Embodiment five: what present embodiment and embodiment one were different is: environment-friendly type potato fields Herbicidal combinations is comprised of 85 parts of Acetochlors, 2 portions of soybean oils, 10 parts of Acetochlor emulsifier specials and 3 parts of stump lights by weight.Other is identical with embodiment one.
Embodiment six: what present embodiment and embodiment one were different is: environment-friendly type potato fields Herbicidal combinations is comprised of 82 parts of Acetochlors, 2 portions of soybean oils, 11 parts of Acetochlor emulsifier specials and 5 parts of stump lights by weight.Other is identical with embodiment one.
Embodiment 1:
Environment-friendly type potato fields Herbicidal combinations is comprised of 75 parts of Acetochlors, 5 portions of soybean oils, 10 parts of Acetochlor emulsifier specials and 10 parts of stump lights by weight; Wherein the Acetochlor emulsifier special is to be mixed at normal temperatures and pressures by 1: 4: 8 mass ratio by calcium dodecyl benzene sulfonate, phenethyl phenylol APEO, castor oil polyoxyethylene ether.
Environment-friendly type potato fields Herbicidal combinations stirs the 30min acquisition with the speed of 100r/min at normal temperatures and pressures in the present embodiment.
Environment-friendly type potato fields Herbicidal combinations in the present embodiment, according to " liquid preparation sampling " sampling among the GB/T 1605-2003 " the commercially available agricultural chemical method of sampling ", according to GB20692-2006 " acetochlor ec " emulsion stability, moisture, pH value, heat storage stability, the low-temperature stability of said preparation are tested.Assay is as shown in table 1, and every result all meets standard.
Table 1 75% acetochlor ec control item order examination table
| Project | Index | Assay | Conclusion |
| Acetochlor/% | 75.0±2.5 | 75.9 | Qualified |
| Moisture/%≤ | 0.5 | 0.3 | Qualified |
| The pH value | 5～9 | 6 | Qualified |
| Stability of emulsion (diluting 200 times) | Qualified | Qualified | Qualified |
| Low-temperature stability (0 ℃ ± 2 ℃, 7d) | Qualified | Qualified | Qualified |
| Heat storage stability (54 ℃ ± 2 ℃, 14d) | Resolution ratio≤5% | Resolution ratio 1.8% | Qualified |
Embodiment 2:
Environment-friendly type potato fields Herbicidal combinations is comprised of 78 parts of Acetochlors, 2 portions of soybean oils, 10 parts of Acetochlor emulsifier specials and 10 parts of stump lights by weight; Wherein the Acetochlor emulsifier special is to be mixed at normal temperatures and pressures by 3: 1.5: 2 mass ratio by calcium dodecyl benzene sulfonate, phenethyl phenylol APEO, castor oil polyoxyethylene ether.
Environment-friendly type potato fields Herbicidal combinations stirs the 30min acquisition with the speed of 100r/min at normal temperatures and pressures in the present embodiment.
Environment-friendly type potato fields Herbicidal combinations in the present embodiment, according to " liquid preparation sampling " sampling among the GB/T 1605-2003 " the commercially available agricultural chemical method of sampling ", according to GB20692-2006 " acetochlor ec " emulsion stability, moisture, pH value, heat storage stability, the low-temperature stability of said preparation are tested.Assay is as shown in table 2, and every result all meets standard.
Table 2 78% acetochlor ec control item order examination table
| Project | Index | Assay | Conclusion |
| Acetochlor/% | 78.0±2.5 | 79.4 | Qualified |
| Moisture/%≤ | 0.5 | 0.2 | Qualified |
| The pH value | 5～9 | 6 | Qualified |
| Stability of emulsion (diluting 200 times) | Qualified | Qualified | Qualified |
| Low-temperature stability (0 ℃ ± 2 ℃, 7d) | Qualified | Qualified | Qualified |
| Heat storage stability (54 ℃ ± 2 ℃, 14d) | Resolution ratio≤5% | Resolution ratio 1.8% | Qualified |
Embodiment 3:
Environment-friendly type potato fields Herbicidal combinations is comprised of 80 parts of Acetochlors, 2 portions of soybean oils, 10 parts of Acetochlor emulsifier specials and 8 parts of stump lights by weight; Wherein the Acetochlor emulsifier special is to be mixed at normal temperatures and pressures by 2: 2: 4 mass ratio by calcium dodecyl benzene sulfonate, phenethyl phenylol APEO, castor oil polyoxyethylene ether.
Environment-friendly type potato fields Herbicidal combinations stirs the 30min acquisition with the speed of 100r/min at normal temperatures and pressures in the present embodiment.
Environment-friendly type potato fields Herbicidal combinations in the present embodiment, according to " liquid preparation sampling " sampling among the GB/T 1605-2003 " the commercially available agricultural chemical method of sampling ", according to GB20692-2006 " acetochlor ec " emulsion stability, moisture, pH value, heat storage stability, the low-temperature stability of said preparation are tested.Assay is as shown in table 3, and every result all meets standard.
Table 3 80% acetochlor ec control item order examination table
| Project | Index | Assay | Conclusion |
| Acetochlor/% | 80.0±2.5 | 81.0 | Qualified |
| Moisture/%≤ | 0.5 | 0.1 | Qualified |
| The pH value | 5～9 | 7 | Qualified |
| Stability of emulsion (diluting 200 times) | Qualified | Qualified | Qualified |
| Low-temperature stability (0 ℃ ± 2 ℃, 7d) | Qualified | Qualified | Qualified |
| Heat storage stability (54 ℃ ± 2 ℃, 14d) | Resolution ratio≤5% | Resolution ratio 1.9% | Qualified |
Embodiment 4:
Environment-friendly type potato fields Herbicidal combinations is comprised of 85 parts of Acetochlors, 2 portions of soybean oils, 10 parts of Acetochlor emulsifier specials and 3 parts of stump lights by weight; Wherein the Acetochlor emulsifier special is to be mixed at normal temperatures and pressures by 2: 3: 5 mass ratio by calcium dodecyl benzene sulfonate, phenethyl phenylol APEO, castor oil polyoxyethylene ether.
Environment-friendly type potato fields Herbicidal combinations stirs the 30min acquisition with the speed of 100r/min at normal temperatures and pressures in the present embodiment.
Environment-friendly type potato fields Herbicidal combinations in the present embodiment, according to " liquid preparation sampling " sampling among the GB/T 1605-2003 " the commercially available agricultural chemical method of sampling ", according to GB20692-2006 " acetochlor ec " emulsion stability, moisture, pH value, heat storage stability, the low-temperature stability of said preparation are tested.Assay is as shown in table 4, and every result all meets standard.
Table 4 85% acetochlor ec control item order examination table
| Project | Index | Assay | Conclusion |
| Acetochlor/% | 85.0±2.5 | 85.2 | Qualified |
| Moisture/%≤ | 0.5 | 0.2 | Qualified |
| The pH value | 5～9 | 7 | Qualified |
| Stability of emulsion (diluting 200 times) | Qualified | Qualified | Qualified |
| Low-temperature stability (0 ℃ ± 2 ℃, 7d) | Qualified | Qualified | Qualified |
| Heat storage stability (54 ℃ ± 2 ℃, 14d) | Resolution ratio≤5% | Resolution ratio 1.9% | Qualified |
Embodiment 5:
Environment-friendly type potato fields Herbicidal combinations is comprised of 82 parts of Acetochlors, 2 portions of soybean oils, 11 parts of Acetochlor emulsifier specials and 5 parts of stump lights by weight; Wherein the Acetochlor emulsifier special is to be mixed at normal temperatures and pressures by 2: 3: 5 mass ratio by calcium dodecyl benzene sulfonate, phenethyl phenylol APEO, castor oil polyoxyethylene ether.
Environment-friendly type potato fields Herbicidal combinations stirs the 30min acquisition with the speed of 100r/min at normal temperatures and pressures in the present embodiment.
Environment-friendly type potato fields Herbicidal combinations in the present embodiment, according to " liquid preparation sampling " sampling among the GB/T 1605-2003 " the commercially available agricultural chemical method of sampling ", according to GB20692-2006 " acetochlor ec " emulsion stability, moisture, pH value, heat storage stability, the low-temperature stability of said preparation are tested.Assay is as shown in table 5, and every result all meets standard.
Table 5 82% acetochlor ec control item order examination table
| Project | Index | Assay | Conclusion |
| Acetochlor/% | 82.0±2.5 | 81.5 | Qualified |
| Moisture/%≤ | 0.5 | 0.3 | Qualified |
| The pH value | 5～9 | 7 | Qualified |
| Stability of emulsion (diluting 200 times) | Qualified | Qualified | Qualified |
| Low-temperature stability (0 ℃ ± 2 ℃, 7d) | Qualified | Qualified | Qualified |
| Heat storage stability (54 ℃ ± 2 ℃, 14d) | Resolution ratio≤5% | Resolution ratio 1.9% | Qualified |
Efficiency test:
Adopt field trial residential quarter pairing method, randomised block design, four repetitions.For the examination weed killer herbicide environment-friendly type potato fields Herbicidal combinations and 50% acetochlor ec in the present embodiment, 48% trifluralin ec are arranged.Behind the potato sowing, with the medicament dilution, then adopt the agroatomizer tool to spray on demand.
Herbicidal effect sees Table 6, table 7, table 8.Used data acquisition is from agriculture chemical registration try net member unit of the national Ministry of Agriculture in the table---the test of pesticide effectiveness data of an embodiment " 82% acetochlor ec " of the present composition that Heilongjiang Province's agricultural chemicals management calibrating station provides.
Table 6:82% acetochlor ec is processed rear 15 days to potato fields weeds (non-irrigated barnyard grass) strain preventive effects (%)
Table 7:82% acetochlor ec is processed rear 30 days to potato fields weeds (non-irrigated barnyard grass) strain preventive effects (%)
Table 8:82% acetochlor ec is processed rear 30 days to potato fields weeds (non-irrigated barnyard grass) fresh weight preventive effects (%)
Annotate: EC is that formulation code name, the CK of missible oil is blank.
Can find out from the result of the test of table 6～table 8, the herbicidal composition of the present embodiment is according to recommending consumption 0.18mL/m
2Use, its preventive effect is higher than reference product 48% trifluralin ec.
The present embodiment Herbicidal combinations, empirical tests, environmentally safe to crop safety without lower batch problem, preventive effect is stable, and the lasting period is moderate, and is easy to use, and cost is low.
Claims (6)
1. an environment-friendly type potato fields Herbicidal combinations is characterized in that environment-friendly type potato fields Herbicidal combinations is comprised of 30～85 parts of Acetochlors, 1～30 portion of soybean oil, 5～20 parts of Acetochlor emulsifier specials and 3～30 parts of stump lights by weight; Wherein the Acetochlor emulsifier special be by calcium dodecyl benzene sulfonate, phenethyl phenylol APEO, castor oil polyoxyethylene ether by (1～3): (1.5～4): the mass ratio of (2～8) mixes at normal temperatures and pressures.
2. a kind of environment-friendly type potato fields Herbicidal combinations according to claim 1 is characterized in that environment-friendly type potato fields Herbicidal combinations is comprised of 30 parts of Acetochlors, 30 portions of soybean oils, 20 parts of Acetochlor emulsifier specials and 20 parts of stump lights by weight.
3. a kind of environment-friendly type potato fields Herbicidal combinations according to claim 1 is characterized in that environment-friendly type potato fields Herbicidal combinations is comprised of 50 parts of Acetochlors, 15 portions of soybean oils, 12 parts of Acetochlor emulsifier specials and 23 parts of stump lights by weight.
4. a kind of environment-friendly type potato fields Herbicidal combinations according to claim 1 is characterized in that environment-friendly type potato fields Herbicidal combinations is comprised of 75 parts of Acetochlors, 5 portions of soybean oils, 10 parts of Acetochlor emulsifier specials and 10 parts of stump lights by weight.
5. a kind of environment-friendly type potato fields Herbicidal combinations according to claim 1 is characterized in that environment-friendly type potato fields Herbicidal combinations is comprised of 85 parts of Acetochlors, 2 portions of soybean oils, 10 parts of Acetochlor emulsifier specials and 3 parts of stump lights by weight.
6. a kind of environment-friendly type potato fields Herbicidal combinations according to claim 1 is characterized in that environment-friendly type potato fields Herbicidal combinations is comprised of 82 parts of Acetochlors, 2 portions of soybean oils, 11 parts of Acetochlor emulsifier specials and 5 parts of stump lights by weight.
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| CN107232232A (en) * | 2017-07-07 | 2017-10-10 | 浙江农林大学 | A kind of bamboo tar is the natural herbicide and its manufacture method of active component |
| CN107296060A (en) * | 2017-07-07 | 2017-10-27 | 浙江农林大学 | A kind of natural herbicide and its manufacture method containing wood tar |
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| CN103766400A (en) * | 2014-01-16 | 2014-05-07 | 江苏集贤绿色化学科技研究院有限公司 | Herbicide for broad leaf weeds and preparation method thereof |
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| CN107232232A (en) * | 2017-07-07 | 2017-10-10 | 浙江农林大学 | A kind of bamboo tar is the natural herbicide and its manufacture method of active component |
| CN107296060A (en) * | 2017-07-07 | 2017-10-27 | 浙江农林大学 | A kind of natural herbicide and its manufacture method containing wood tar |
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