CN106172479A - Glyphosate and virtue phenoxy base phenoxy propionic acid mixture herbicide compositions and application thereof - Google Patents
Glyphosate and virtue phenoxy base phenoxy propionic acid mixture herbicide compositions and application thereof Download PDFInfo
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- 239000005562 Glyphosate Substances 0.000 title claims abstract description 65
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 229940097068 glyphosate Drugs 0.000 title claims abstract description 65
- 239000004009 herbicide Substances 0.000 title claims abstract description 46
- 239000000203 mixture Substances 0.000 title claims abstract description 37
- SXERGJJQSKIUIC-UHFFFAOYSA-N 2-Phenoxypropionic acid Chemical compound OC(=O)C(C)OC1=CC=CC=C1 SXERGJJQSKIUIC-UHFFFAOYSA-N 0.000 title claims 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 title claims 2
- 230000002363 herbicidal effect Effects 0.000 title abstract description 19
- 244000025254 Cannabis sativa Species 0.000 claims abstract 3
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- YUVKUEAFAVKILW-UHFFFAOYSA-N 2-(4-{[5-(trifluoromethyl)pyridin-2-yl]oxy}phenoxy)propanoic acid Chemical compound C1=CC(OC(C)C(O)=O)=CC=C1OC1=CC=C(C(F)(F)F)C=N1 YUVKUEAFAVKILW-UHFFFAOYSA-N 0.000 claims description 3
- 239000002420 orchard Substances 0.000 claims description 3
- 238000009333 weeding Methods 0.000 claims description 2
- 235000007351 Eleusine Nutrition 0.000 claims 2
- 241000209215 Eleusine Species 0.000 claims 2
- 239000004615 ingredient Substances 0.000 claims 1
- 244000025670 Eleusine indica Species 0.000 abstract description 31
- 235000014716 Eleusine indica Nutrition 0.000 abstract description 31
- 235000014820 Galium aparine Nutrition 0.000 abstract description 30
- 239000002253 acid Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 15
- 239000000575 pesticide Substances 0.000 abstract description 7
- YUVKUEAFAVKILW-SECBINFHSA-N fluazifop-P Chemical group C1=CC(O[C@H](C)C(O)=O)=CC=C1OC1=CC=C(C(F)(F)F)C=N1 YUVKUEAFAVKILW-SECBINFHSA-N 0.000 abstract description 5
- 239000004480 active ingredient Substances 0.000 abstract description 4
- 230000000996 additive effect Effects 0.000 abstract description 4
- 230000002301 combined effect Effects 0.000 abstract description 4
- 230000012010 growth Effects 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract 1
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- 238000000034 method Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 4
- 102000000452 Acetyl-CoA carboxylase Human genes 0.000 description 3
- 108010016219 Acetyl-CoA carboxylase Proteins 0.000 description 3
- 239000004495 emulsifiable concentrate Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
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- 230000005764 inhibitory process Effects 0.000 description 2
- 230000009916 joint effect Effects 0.000 description 2
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- 235000015097 nutrients Nutrition 0.000 description 2
- JXOHGGNKMLTUBP-HSUXUTPPSA-N shikimic acid Chemical compound O[C@@H]1CC(C(O)=O)=C[C@@H](O)[C@H]1O JXOHGGNKMLTUBP-HSUXUTPPSA-N 0.000 description 2
- JXOHGGNKMLTUBP-JKUQZMGJSA-N shikimic acid Natural products O[C@@H]1CC(C(O)=O)=C[C@H](O)[C@@H]1O JXOHGGNKMLTUBP-JKUQZMGJSA-N 0.000 description 2
- 238000009331 sowing Methods 0.000 description 2
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- 231100000820 toxicity test Toxicity 0.000 description 2
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- QYOJSKGCWNAKGW-PBXRRBTRSA-K 3-phosphonatoshikimate(3-) Chemical compound O[C@@H]1CC(C([O-])=O)=C[C@@H](OP([O-])([O-])=O)[C@H]1O QYOJSKGCWNAKGW-PBXRRBTRSA-K 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- COLNVLDHVKWLRT-QMMMGPOBSA-N L-phenylalanine Chemical compound OC(=O)[C@@H](N)CC1=CC=CC=C1 COLNVLDHVKWLRT-QMMMGPOBSA-N 0.000 description 1
- QIVBCDIJIAJPQS-VIFPVBQESA-N L-tryptophane Chemical compound C1=CC=C2C(C[C@H](N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-VIFPVBQESA-N 0.000 description 1
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 description 1
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- QIVBCDIJIAJPQS-UHFFFAOYSA-N Tryptophan Natural products C1=CC=C2C(CC(N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-UHFFFAOYSA-N 0.000 description 1
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- 150000001413 amino acids Chemical class 0.000 description 1
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- 230000008485 antagonism Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
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- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
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- 230000003211 malignant effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- IAUMNRCGDHLAMJ-UHFFFAOYSA-N methyl 2-[4-[5-(trifluoromethyl)pyridin-2-yl]oxyphenoxy]propanoate Chemical group C1=CC(OC(C)C(=O)OC)=CC=C1OC1=CC=C(C(F)(F)F)C=N1 IAUMNRCGDHLAMJ-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000037361 pathway Effects 0.000 description 1
- COLNVLDHVKWLRT-UHFFFAOYSA-N phenylalanine Natural products OC(=O)C(N)CC1=CC=CC=C1 COLNVLDHVKWLRT-UHFFFAOYSA-N 0.000 description 1
- 229930029653 phosphoenolpyruvate Natural products 0.000 description 1
- DTBNBXWJWCWCIK-UHFFFAOYSA-N phosphoenolpyruvic acid Chemical compound OC(=O)C(=C)OP(O)(O)=O DTBNBXWJWCWCIK-UHFFFAOYSA-N 0.000 description 1
- 230000005080 plant death Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本发明公开一种草甘膦与芳氧苯氧基丙酸类除草剂组合物及其应用，属于农药技术领域。该组合物的有效成分为草甘膦和芳氧苯氧基丙酸类除草剂。本发明的组合物中草甘膦分别与盖草能、精吡氟禾草灵的混配比例为7～28:1和5～16:1，其杀草速度可提高2～4倍，可杀除对草甘膦产生抗药性的大部分牛筋草，效果优于草甘膦和芳氧苯氧基丙酸类除草剂单剂使用，且对牛筋草的联合作用类型在不同复配组合下均为加成作用，可以明显减少用药次数，降低了农药的使用剂量，减少了除草剂对环境造成的污染，并且可以有效控制牛筋草对草甘膦产生的抗药性问题，延长草甘膦的使用寿命，对牛筋草的综合防治产生重要意义。The invention discloses a glyphosate-aryloxyphenoxypropionic acid herbicide composition and application thereof, belonging to the technical field of pesticides. The active ingredients of the composition are glyphosate and aryloxyphenoxypropionic acid herbicides. In the composition of the present invention, the mixing ratios of glyphosate to gaichoon and fluazifop-p-ethyl are 7-28:1 and 5-16:1 respectively, and the herbicidal speed can be increased by 2-4 times, and can The effect of killing most of the goosegrass that is resistant to glyphosate is better than that of glyphosate and aryloxyphenoxypropionic acid herbicides used alone, and the combined effect on goosegrass is different in different combinations. The combination is additive, which can significantly reduce the frequency of application, reduce the dosage of pesticides, reduce the environmental pollution caused by herbicides, and can effectively control the resistance of goosegrass to glyphosate, and prolong the growth of grass. The service life of glyphosate is of great significance to the comprehensive control of goosegrass.
Description
技术领域technical field
本发明属于农药技术领域，具体涉及一种草甘膦与芳氧苯氧基丙酸类除草剂组合物及其应用。The invention belongs to the technical field of pesticides, and in particular relates to a composition of glyphosate and aryloxyphenoxypropionic acid herbicides and an application thereof.
背景技术Background technique
草甘膦(glyphosate)是一种有机磷类除草剂，具有内吸传导型、广谱灭生性的特点。草甘膦可以抑制植物体内的莽草酸途径，阻断磷酸烯醇式丙酮酸与莽草酸-3-磷酸反应生成5-烯醇式丙酮酸-3-磷酸莽草酸的过程，导致植物体内大量积累莽草酸，阻止了芳香族氨基酸色氨酸、酪氨酸和苯丙氨酸的生物合成，最终使植物生长受到抑制而死亡。草甘膦通过茎叶吸收，可防治非耕地、果园、林地等的一年生和多年生杂草。Glyphosate (glyphosate) is an organophosphorus herbicide with systemic and broad-spectrum killing characteristics. Glyphosate can inhibit the shikimic acid pathway in plants, blocking the reaction of phosphoenolpyruvate and shikimate-3-phosphate to generate 5-enolpyruvate-3-phosphoshikimate, resulting in a large amount of accumulation in plants Shikimic acid prevents the biosynthesis of the aromatic amino acids tryptophan, tyrosine, and phenylalanine, which ultimately inhibits plant growth and causes death. Glyphosate is absorbed through stems and leaves, and can control annual and perennial weeds in non-arable land, orchards, woodlands, etc.
牛筋草(Eleusineindica(L.)Gaertn.)的分布范围广泛，是严重危害棉花、豆类、薯类、蔬菜、果树等作物的世界性恶性杂草。由于草甘膦的长期大量使用，使牛筋草种群产生了抗药性，变得难以防除，给农业生产造成了严重损失。Goosegrass (Eleusine indica (L.) Gaertn.) has a wide distribution and is a worldwide malignant weed that seriously harms cotton, beans, potatoes, vegetables, fruit trees and other crops. Due to the long-term and large-scale use of glyphosate, the goosegrass population has developed resistance and has become difficult to control, causing serious losses to agricultural production.
芳氧苯氧基丙酸类除草剂的作用靶标为乙酰辅酶-A-羧化酶(ACC ase)，该类除草剂通过抑制ACC ase活性，使植物体不能合成脂肪酸而导致植物体死亡，是一类高效防除禾本科杂草的除草剂。The target of aryloxyphenoxypropionic acid herbicides is acetyl coenzyme-A-carboxylase (ACCase). This type of herbicide inhibits the activity of ACCase, so that plants cannot synthesize fatty acids and cause plant death. A class of herbicides for controlling grass weeds with high efficiency.
目前，关于草甘膦与芳氧苯氧基丙酸类除草剂的混配及应用尚无报道。At present, there is no report on the mixing and application of glyphosate and aryloxyphenoxypropionic acid herbicides.
发明内容Contents of the invention
为了克服现有技术的缺点与不足，本发明的目的在于提供一种草甘膦与芳氧苯氧基丙酸类除草剂组合物。该组合物是基于草甘膦防治抗性牛筋草的新型混配除草剂。本发明的解决方案是将草甘膦与芳氧苯氧基丙酸类除草剂中的盖草能、精吡氟禾草灵的有效成分按一定比例进行混配。In order to overcome the shortcomings and deficiencies of the prior art, the object of the present invention is to provide a herbicide composition of glyphosate and aryloxyphenoxypropionic acid. The composition is a novel mixed herbicide based on glyphosate for controlling resistant goosegrass. The solution of the present invention is to mix glyphosate with the active ingredients of gacoxon and fluazifop-ethyl in the aryloxyphenoxypropionic acid herbicides in a certain proportion.
本发明的另一目的在于提供上述草甘膦与芳氧苯氧基丙酸类除草剂组合物的应用。Another object of the present invention is to provide the application of the above glyphosate and aryloxyphenoxypropionic acid herbicide composition.
本发明的目的通过下述技术方案实现：The object of the present invention is achieved through the following technical solutions:
一种草甘膦与芳氧苯氧基丙酸类除草剂组合物，其有效成分为草甘膦和芳氧苯氧基丙酸类除草剂。A composition of glyphosate and aryloxyphenoxypropionic acid herbicides, the active ingredients of which are glyphosate and aryloxyphenoxypropionic acid herbicides.
所述的芳氧苯氧基丙酸类除草剂优选为盖草能和精吡氟禾草灵中的一种。The aryloxyphenoxypropionic acid herbicide is preferably one of gazolone and fluazifop-p-ethyl.
所述的草甘膦和芳氧苯氧基丙酸类除草剂按质量比(5～28)：1进行混配；优选为(5～14)：1。The glyphosate and aryloxyphenoxypropionic acid herbicides are mixed in a mass ratio of (5-28):1; preferably (5-14):1.
所述的草甘膦占组合物的重量百分比优选为21％～28％；更优选为21％～26％；最优选为25％；The weight percentage of the glyphosate in the composition is preferably 21% to 28%; more preferably 21% to 26%; most preferably 25%;
所述的草甘膦与盖草能按质量比(7～28)：1进行混配；优选为(7～14)：1；更优选为14：1。The glyphosate and Gaygrass can be mixed in a mass ratio of (7-28):1; preferably (7-14):1; more preferably 14:1.
所述的草甘膦与精吡氟禾草灵按质量比(5～16)：1进行混配；优选为(5～12)：1；更优选为10：1。The glyphosate and fluazifop-p-ethyl are mixed in a mass ratio of (5-16):1; preferably (5-12):1; more preferably 10:1.
草甘膦也可以按照上述方法与其他芳氧苯氧基丙酸类除草剂进行混配。Glyphosate can also be mixed with other aryloxyphenoxypropionic acid herbicides according to the above method.
所述的草甘膦与芳氧苯氧基丙酸类除草剂组合物用于防除非耕地、果园、农田等中的牛筋草。The glyphosate and aryloxyphenoxypropionic acid herbicide composition is used for preventing goosegrass in non-cultivated land, orchard, farmland and the like.
本发明相对于现有技术，具有如下的优点及效果：Compared with the prior art, the present invention has the following advantages and effects:
(1)本发明的除草剂组合物对牛筋草的防治效果比草甘膦单剂使用有显著提高，且对牛筋草的联合作用类型在不同复配组合下均为加成作用，可以明显减少用药次数，减少农药对环境造成的污染。(1) The control effect of the herbicide composition of the present invention on goosegrass is significantly improved than the use of glyphosate single agent, and the joint action type to goosegrass is additive under different compound combinations, which can Significantly reduce the frequency of application and reduce the pollution caused by pesticides to the environment.
(2)本发明的除草剂组合物中两种除草剂有效成分的作用机制不同，可以克服长期单一使用草甘膦容易使牛筋草产生抗药性的问题，延长草甘膦的使用寿命，对牛筋草的综合防治产生重要意义。(2) the mechanism of action of two kinds of herbicide active ingredients in the herbicide composition of the present invention is different, can overcome the problem that long-term single use glyphosate makes goosegrass produce drug resistance easily, prolongs the service life of glyphosate, to The comprehensive control of goosegrass is of great significance.
(3)本发明的除草剂具有混配简单，不需要特殊的设备和工艺即可实现不同比例和种类的混配的优点。(3) The herbicide of the present invention has the advantages of being simple to mix and can realize mixing of different proportions and types without special equipment and techniques.
(4)本发明的组合物中草甘膦分别与盖草能、精吡氟禾草灵的混配比例为7～28:1和5～16:1，其杀草速度可提高2～4倍，可杀除对草甘膦产生抗药性的大部分牛筋草，效果优于草甘膦和芳氧苯氧基丙酸类除草剂单剂使用，降低了农药的使用剂量，减少了除草剂对环境造成的污染，并且可以有效控制牛筋草对草甘膦产生的抗药性问题。(4) In the composition of the present invention, the mixing ratios of glyphosate, gaichoneng and fluazifop-methyl are 7-28:1 and 5-16:1 respectively, and the herbicidal speed can be increased by 2-4 times, it can kill most of the goosegrass that are resistant to glyphosate, and the effect is better than a single dose of glyphosate and aryloxyphenoxypropionic acid herbicides, reducing the dosage of pesticides and reducing weeding It can effectively control the pollution caused by pesticides to the environment, and can effectively control the resistance of goosegrass to glyphosate.
具体实施方式detailed description
下面结合实施例对本发明作进一步详细的描述，但本发明的实施方式不限于此。The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.
实施例1Example 1
草甘膦与芳氧苯氧基丙酸类除草剂混配对牛筋草联合作用测定Determination of combined effects of glyphosate and aryloxyphenoxypropionic acid herbicides on goosegrass
本发明的供试药剂：30％(w/w)草甘膦水剂；108克/升盖草能乳油；15％(w/w)精吡氟禾草灵乳油。The test agent of the present invention: 30% (w/w) glyphosate aqueous solution; 108 g/liter gazolone emulsifiable concentrate; 15% (w/w) fluazifop-ethyl emulsifiable concentrate.
本发明的供试材料：采自广东省广州市增城区宁西镇抗性牛筋草种群。The test material of the present invention is collected from the resistant goosegrass population of Ningxi Town, Zengcheng District, Guangzhou City, Guangdong Province.
本发明的药剂配制：Medicament preparation of the present invention:
草甘膦溶液：分别用1mL移液枪吸取200、300、400mL/亩的30％草甘膦水剂备用；Glyphosate solution: Use a 1mL pipette to draw 200, 300, and 400mL/mu of 30% glyphosate solution for use;
盖草能溶液：分别用100μL移液枪吸取40、60、80mL/亩的108克/升盖草能乳油备用；Gai Caoneng solution: Use a 100 μL pipette gun to absorb 40, 60, and 80 mL/mu of 108 g/L Gai Caoneng EC for use;
精吡氟禾草灵溶液：分别用100μL移液枪吸取50、60、70mL/亩的15％精吡氟禾草灵乳油备用。Refined fluazifop solution: use 100 μL pipette gun to absorb 50, 60, 70 mL/mu of 15% fluazifop-ethyl emulsifiable concentrate for use.
本发明的试验方法：在蓝色塑料盆中放置1/2高度的营养土，壶洒水至土壤湿透。将供试的牛筋草种子均匀地播种于土壤表层，播种密度约为每盒150株为宜。播种后在种子表面覆盖一层薄薄的营养土，将塑料盒置于人工气候室中培养，白天27℃，12h，夜晚25℃，12h。待牛筋草长至2～3叶期时，将生长较均匀一致的牛筋草幼苗移栽至一次性塑料杯中，每塑料杯移栽4株，在牛筋草生长至5～7叶期时进行施药。在施药后14d左右调查牛筋草的生长情况并计算鲜重防效，评价药剂对靶标杂草的联合作用类型。Test method of the present invention: place the nutrient soil of 1/2 height in the blue plastic pot, water the pot until the soil is drenched. The goosegrass seeds to be tested were sown evenly on the soil surface, and the sowing density was about 150 plants per box. After sowing, a thin layer of nutrient soil was covered on the surface of the seeds, and the plastic box was placed in an artificial climate chamber for cultivation, at 27°C for 12 hours during the day and at 25°C for 12 hours at night. When the goosegrass grows to the 2-3 leaf stage, transplant the goosegrass seedlings with relatively uniform growth into disposable plastic cups, transplant 4 plants in each plastic cup, and grow to 5-7 leaves in the goosegrass. Dosing over time. Investigate the growth of goosegrass about 14 days after spraying and calculate the fresh weight control effect to evaluate the combined effect of the pesticides on the target weeds.
本发明的数据处理与分析：Data processing and analysis of the present invention:
调查方法：investigation method:
施药后14d，调查牛筋草的生长情况并计算鲜重防效，计算公式为：14 days after spraying, investigate the growth of goosegrass and calculate the fresh weight control effect. The calculation formula is:
鲜重防效(％)＝(对照区鲜重-施药区鲜重)/对照区鲜重]*100。Control effect of fresh weight (%)=(fresh weight of control area-fresh weight of application area)/fresh weight of control area]*100.
联合作用类型评价方法：Evaluation method of joint action type:
用Gowing法对混配后的除草剂进行检验，其公式为：The mixed herbicide was tested by Gowing method, the formula is:
E0＝X+Y(100-X)/100E 0 ＝X+Y(100-X)/100
式中：X表示除草剂草甘膦用量为P时的防治效果；In the formula: X represents the control effect when the amount of herbicide glyphosate is P;
Y表示除草剂盖草能用量为Q时的防治效果；Y represents the control effect when the amount of herbicide Gaicao energy is Q;
E0表示除草剂混剂(草甘膦+盖草能)用量为(P+Q)时的理论防治效果；E 0 represents the theoretical control effect when the amount of herbicide mixture (glyphosate+Gaicaoneng) is (P+Q);
E表示各处理的实际防治效果。E represents the actual control effect of each treatment.
评价标准：evaluation standard:
E-E0<-10％ 组成混剂的各单剂有拮抗作用EE 0 <-10% Antagonism of the individual agents making up the mixture
E-E0＝-10％～10％ 组成混剂的各单剂有加成作用EE 0 ＝-10%～10% The individual agents that make up the mixture have additive effects
E-E0>10％ 组成混剂的各单剂有增效作用EE 0 >10% There is a synergistic effect of the individual agents forming the mixture
草甘膦与芳氧苯氧基丙酸类除草剂混配组合对牛筋草防治效果结果：The results of the mixed combination of glyphosate and aryloxyphenoxypropionic acid herbicides on goosegrass control:
表1是草甘膦与盖草能混配组合对牛筋草抑制的毒力测定结果。Table 1 shows the toxicity test results of the mixed combination of glyphosate and gaiclon on the inhibition of goosegrass.
表2是草甘膦与精吡氟禾草灵混配组合对牛筋草抑制的毒力测定结果。Table 2 shows the toxicity test results of the mixed combination of glyphosate and fluazifop-p-ethyl on the inhibition of goosegrass.
表1草甘膦与盖草能混配对牛筋草的防治效果Table 1 Control effect of glyphosate and Gai Caoneng mixture on goosegrass
表2草甘膦与精吡氟禾草灵混配对牛筋草的防治效果Table 2 Control effect of glyphosate and fluazifop-p-ethyl on goosegrass
从表1、表2可以看出，草甘膦与盖草能、精吡氟禾草灵不同复配组合对牛筋草的联合作用类型均为加成作用，其中草甘膦与盖草能以300：60复配对牛筋草的鲜重防效最佳，草甘膦与精吡氟禾草灵对牛筋草的鲜重防效最佳配比同样为300：60。It can be seen from Table 1 and Table 2 that the combined effects of different compound combinations of glyphosate, gaichoon, and fluazifop-ethyl on goosegrass are all additive, and glyphosate and gaichoon The combination of 300:60 has the best control effect on fresh weight of goosegrass, and the best ratio of glyphosate and fluazifop-ethyl to the fresh weight of goosegrass is also 300:60.
上述实施例为本发明较佳的实施方式，但本发明的实施方式并不受上述实施例的限制，其他的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均应为等效的置换方式，都包含在本发明的保护范围之内。The above-mentioned embodiment is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above-mentioned embodiment, and any other changes, modifications, substitutions, combinations, Simplifications should be equivalent replacement methods, and all are included in the protection scope of the present invention.
Claims (10)
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| WO2021229464A1 (en) * | 2020-05-15 | 2021-11-18 | UPL Corporation Limited | Herbicidal combination and method of controlling herbicide resistant weeds |
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