CN103518744A - Cornfield weeding composition - Google Patents
Cornfield weeding composition Download PDFInfo
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- CN103518744A CN103518744A CN201310464135.9A CN201310464135A CN103518744A CN 103518744 A CN103518744 A CN 103518744A CN 201310464135 A CN201310464135 A CN 201310464135A CN 103518744 A CN103518744 A CN 103518744A
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Abstract
The invention relates to the technical field of pesticides, and especially discloses a cornfield weeding composition. Effective components of the cornfield weeding composition comprise mesotrione, pendimethalin and bentazon, and a weight ratio of mesotrione to pendimethalin to bentazon is 1-10:4-25:5-40. Mesotrione, pendimethalin and bentazon have different action mechanisms and different weed action points, and the weed control spectrums of mesotrione, pendimethalin and bentazon are complementary, so the cornfield weeding composition has the advantages of substantially enlarged weed control spectrum, substantially improved preventing and killing effects, prevention and killing of cornfield grassy weeds and broadleaf weeds, reduction of the consumption of the effective components per unit area, alleviation of the generation of the drug resistance of weeds, reduction of the pollution to environment, and reliable safety to corn and later crops.
Description
(1) technical field
The present invention relates to technical field of pesticide, particularly a kind of corn field Herbicidal combinations.
(2) background technology
It is logical that mesotrione has another name called mesotrione, Meath, is broad-spectrum herbicide before a kind of novel selectivity inner sucting conduction type bud and after bud, is characterized in environmentally friendly, can degrade widely fast, and final metabolite is carbonic acid gas.Mesotrione is mainly used in preventing and kill off corn field annual broadleaf weed and part grassy weed, and lamb's-quarters, amaranth, Tong fiber crops, Siberian cocklebur, lady's-grass, green foxtail etc. are had to good control efficiency, and activity of weeding is high, to corn safety.
Pendimethalin have another name called weeding lead to, execute field mend, except bud logical, it is dinitroaniline soil processing herbicide before a kind of selectivity bud, the main meristematic cell that suppresses divides, do not affect suppressing weed seed germination, but after young shoot, stem, root absorption medicament, work in suppressing weed seed germination process, suppress the growth of young shoot and secondary root, make weeds just dead before being unearthed, be mainly used in preventing and kill off annual gramineous weed and some broad leaved weed.
Bentazon has another name called Lysimachia sikokiana pellet, bentazone, it is a kind of contact killing type selectivity herbicide after seedling, for cauline leaf processing in seedling stage, by blade, contact and work, can be used for preventing and kill off most annual dicotyledonous weeds and sedge weed, as: Siberian cocklebur, piemarker, lamb's-quarters, Commelina communis, knotweed, Herba Cyperi Glomerati, convexutricle sedge herb, short arrowhead, firefly Lin etc., to perennial weed, can only prevent and kill off its acrial part, invalid to grassy weed.
Corn is important cereal crops and the main feed of China always, and plantation distributes and spreads all over the whole nation, and corn field weed kind is many, quantity is large, brings greater impact to the production of corn.In recent years, due to the excessive use of weed killer herbicide, make weeds increasing to the resistance of agricultural chemicals.And mesotrione, Pendimethalin and Bentazon be when used separately as single dose, herbicide spectrum is narrow, and drug action is all undesirable, thereby causes weed control efficacy reduced year by year, has caused the underproduction of corn, has increased the weight of the economic loss at plantation family.
(3) summary of the invention
The present invention is in order to make up the deficiencies in the prior art, provide that a kind of component is reasonable, dosage is low, broad weed-killing spectrum, be difficult for developing immunity to drugs, to crop safety, corn field Herbicidal combinations that synergy control efficiency is good.
The present invention is achieved through the following technical solutions:
A Herbicidal combinations, its active ingredient consists of mesotrione, Pendimethalin and Bentazon, and the weight ratio of described mesotrione, Pendimethalin and Bentazon is 1-10:4-25:5-40.
This corn field Herbicidal combinations, the weight ratio that its preferred scheme is described mesotrione, Pendimethalin and Bentazon is 2:8:15.
This corn field Herbicidal combinations, its active ingredient mesotrione, Pendimethalin and Bentazon account for the 10-75% of Herbicidal combinations gross weight, be preferably 50%, all the other are operable auxiliary element in agricultural chemicals, described auxiliary element is conducive to Herbicidal combinations to make and be applicable to the upper formulation of using of agricultural, Herbicidal combinations of the present invention can be processed into conventional formulation according to preparation production method conventional in Pesticide Science, as: wetting powder, oil suspending agent or aqueous suspension, the preferred formulation of the present invention is oil suspending agent.
Details are as follows with its constituent for each preparation of the present invention:
Wetting powder (WP) is that active ingredient, carrier, surfactant (wetting agent, dispersant etc.), adjuvant etc. are evenly mixed to the powderous preparations of the certain particle diameter making by air-flow crushing.
The percentage by weight of each constituent of wetting powder of the present invention in wetting powder is respectively: mesotrione, Pendimethalin and Bentazon 30-75%, dispersant 3-8%, wetting agent 1-5%, surplus is carrier.
Described dispersant is one or more in lignin and derivative sulfonate, naphthalene and alkylnaphthalene sulfonate formaldehyde condensation products, alkylphenol polyoxyethylene phosphate; Described wetting agent is sldium lauryl sulfate, neopelex, pull open one or more in powder, fatty alcohol-polyoxyethylene ether, OPEO, polyoxyethylene nonylphenol ether; Described carrier is one or more in atlapulgite, kaolin, montmorillonite, diatomite, attapulgite, white carbon, precipitated calcium carbonate.
Aqueous suspension (SC) is to take water as dispersion medium, the formulations of pesticide that active ingredient, auxiliary agent (wetting dispersing agent, thickener, antifreezing agent, PH conditioning agent, defoamer etc.) are made through soybean dietary fiber.
The percentage by weight of each constituent of aqueous suspension of the present invention in aqueous suspension is respectively: mesotrione, Pendimethalin and Bentazon 10-50%, wetting agent 2-10%, dispersant 2-10%, thickener 0.5-2%, antifreezing agent 2-8%, defoamer 0.1-1%, surplus is water.
Described wetting agent is one or more in lauryl sodium sulfate, neopelex, sldium lauryl sulfate, fatty alcohol-polyoxyethylene ether, OPEO, dioctyl sodium sulfosuccinate; Described dispersant is one or both in lignosulfonates, naphthalene and alkylnaphthalene sulfonate formaldehyde condensation products; Described thickener is one or more in xanthans, gel, aluminium-magnesium silicate, sodium alginate; Described antifreezing agent is one or more in ethylene glycol, glycerine, polyethylene glycol, urea, sorbitol; Described defoamer is one or more in silicone defoaming agent, polyglycerol, polyether-modified silicon defoaming agent.
Oil suspending agent (OF) refers to that one or more pesticide active ingredient forms high dispersive, stable suspension system in non-water system dispersion medium.Oil suspending agent of the present invention is comprised of active ingredient, vegetable oil and/or mineral oils solvent, emulsifier, wetting agent, dispersant, thickener, wherein wetting agent, dispersant, thickener can require to select add or do not add according to preparation, also can only add wherein one or more.
The percentage by weight of each constituent of oil suspending agent of the present invention in oil suspending agent is respectively: mesotrione, Pendimethalin and Bentazon 10-50%, emulsifier 1-20%, wetting agent 0-10%, dispersant 0-10%, thickener 0.1-2%, surplus is oils solvent.
Described emulsifier is one or more in alkylphenol polyoxyethylene, Bian Ji phenol polyethenoxy ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, styrylphenol polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, sorbitan fatty acid ester, castor oil polyoxyethylene ether, neopelex, alkyl benzene calcium sulfonate, aliphatic alcohol sulfate, alkylphenol polyoxyethylene phosphate; Described wetting agent is one or both in lauryl sodium sulfate, fatty alcohol-polyoxyethylene ether; Described dispersant is one or more in sodium lignin sulfonate, polycarboxylate salt dispersant, alkylnaphthalene sulfonate; Described thickener is one or more in white carbon, polyvinyl alcohol, bentonite, xanthans, gel, aluminium-magnesium silicate; Described oils solvent is one or more in soybean oil, rapeseed oil, cottonseed oil, palm oil, Castor oil, corn oil, sunflower oil, isooctyl oleate, methyl oleate, paraffin oil.
Corn field of the present invention with the beneficial effect of Herbicidal combinations is: mesotrione, the mechanism of action of Pendimethalin and Bentazon is different, complementary to the application point difference of weeds and herbicide spectrum, expanded herbicide spectrum, preventive effect significantly improves, can prevent and kill off corn field grassy weed and broad leaved weed simultaneously, reduced the usage amount of unit are active ingredient, slowed down the generation of herbicide resistance, reduced the pollution to environment, and corn and succession crop are all had to reliable safety, be mainly used in preventing and kill off of corn field weed, as: Amaranthus retroflexus, lamb's-quarters, lady's-grass, eleusine indica, green foxtail, barnyard grass, field bindweed, jorum flower etc.
(4) embodiment
Below in conjunction with embodiment, the invention will be further described, but the present invention is not limited thereto, and the formulation preparation method in embodiment is conventional preparation method, no longer describes in detail.
Embodiment 1:50% mesotrione Pendimethalin Bentazon wetting powder (2:8:15), comprises the following component of following weight: (in double centner, as follows)
4 kilograms of mesotriones, 16 kilograms of Pendimethalins, 30 kilograms of Bentazons, 6 kilograms of lignosulfonates, 4 kilograms of neopelexes, 5 kilograms of white carbons, kaolin are supplied double centner.
Preparation method: will enter in blender and mix after each component coarse crushing of above-mentioned weight, then through air-flow crushing, be up to the standards and make 50% mesotrione Pendimethalin Bentazon wetting powder.
Using method: be applicable to preventing and kill off of corn field weed, every mu of 120 grams of consumption in ground, is watered 30～40 kilograms, even spraying under calm, fine condition.
Embodiment 2-7: the preparation of wetting powder: unit: kilogram (kg)
Dispersant in embodiment 2-7 is selected one or more in lignin and derivative sulfonate, naphthalene and alkylnaphthalene sulfonate formaldehyde condensation products, alkylphenol polyoxyethylene phosphate; Wetting agent is selected sldium lauryl sulfate, neopelex, is pulled open powder, one or more in fatty alcohol-polyoxyethylene ether, OPEO, polyoxyethylene nonylphenol ether; Carrier is selected one or more in atlapulgite, kaolin, montmorillonite, diatomite, attapulgite, precipitated calcium carbonate.
The preparation method of embodiment 2-7 is with embodiment 1.
The using method of the made wetting powder of embodiment 2-7: be all applicable to preventing and kill off of corn field weed, every mu of ground consumption is respectively 120 grams, 120 grams, 70 grams, 70 grams, 70 grams, 90 grams, be watered 30～40 kilograms, even spraying under calm, fine condition.
Embodiment 8:37.5% mesotrione Pendimethalin Bentazon aqueous suspension (2:8:15), comprises the following component of following weight:
3 kilograms of mesotriones, 12 kilograms of Pendimethalins, 22.5 kilograms of Bentazons, 5 kilograms of lauryl sodium sulfate, 6 kilograms of sodium lignin sulfonates, 1 kilogram of xanthans, 5 kilograms of ethylene glycol, 0.5 kilogram of silicone defoaming agent, water complements to double centner.
Preparation method: carry out sand milling after the mesotrione of above-mentioned weight, Pendimethalin, Bentazon, lauryl sodium sulfate, sodium lignin sulfonate, silicone defoaming agent are mixed with part water, after isolating bead, add again xanthans, ethylene glycol, water complements to double centner, with clipper, shear, be up to the standards and make 37.5% mesotrione Pendimethalin Bentazon aqueous suspension.
Using method: be applicable to preventing and kill off of corn field weed, every mu of 160 grams of consumption in ground, is watered 30～40 kilograms, even spraying under calm, fine condition.
Embodiment 9-14: the preparation of aqueous suspension: unit: kilogram (kg)
Wetting agent in embodiment 9-14 is selected one or more in lauryl sodium sulfate, neopelex, sldium lauryl sulfate, fatty alcohol-polyoxyethylene ether, OPEO, dioctyl sodium sulfosuccinate; Dispersant is selected one or both in lignosulfonates, naphthalene and alkylnaphthalene sulfonate formaldehyde condensation products; Thickener is selected one or more in xanthans, gel, aluminium-magnesium silicate, sodium alginate; Antifreezing agent is selected one or more in ethylene glycol, glycerine, polyethylene glycol, urea, sorbitol; Defoamer is selected one or more in silicone defoaming agent, polyglycerol, polyether-modified silicon defoaming agent.
The preparation method of embodiment 9-14 is with embodiment 8.
The using method of the made aqueous suspension of embodiment 9-14: be all applicable to preventing and kill off of corn field weed, every mu of ground consumption is respectively 600 grams, 120 grams, 70 grams, 180 grams, 90 grams, 150 grams, be watered 30～40 kilograms, even spraying under calm, fine condition.
Embodiment 15:25% mesotrione Pendimethalin Bentazon oil suspending agent (2:8:15), comprises the following component of following weight:
2 kilograms of mesotriones, 8 kilograms of Pendimethalins, 15 kilograms of Bentazons, 10 kilograms of alkylphenol polyoxyethylene, 5 kilograms of fatty alcohol-polyoxyethylene ether, 0.3 kilogram of xanthans, methyl oleate complements to double centner.
Preparation method: pour in sand milling after each component of above-mentioned weight is taken, add with the bead of said components gross weight identical weight and carry out sand milling 2-3 hour, remove bead, through being up to the standards, obtain 25% mesotrione Pendimethalin Bentazon oil suspending agent.
Using method: be applicable to preventing and kill off of corn field weed, every mu of 240 grams of consumption in ground, is watered 30～40 kilograms, even spraying under calm, fine condition.
Embodiment 16-21: the preparation of oil suspending agent: unit: kilogram (kg)
Emulsifier in embodiment 16-21 is selected one or more in alkylphenol polyoxyethylene, Bian Ji phenol polyethenoxy ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, styrylphenol polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, sorbitan fatty acid ester, castor oil polyoxyethylene ether, neopelex, alkyl benzene calcium sulfonate, aliphatic alcohol sulfate, alkylphenol polyoxyethylene phosphate; Wetting agent is selected one or both in lauryl sodium sulfate, fatty alcohol-polyoxyethylene ether; Dispersant is selected one or more in sodium lignin sulfonate, polycarboxylate salt dispersant, alkylnaphthalene sulfonate; Thickener is selected one or more in white carbon, polyvinyl alcohol, bentonite, xanthans, gel, aluminium-magnesium silicate; Oils solvent is selected one or more in soybean oil, rapeseed oil, cottonseed oil, palm oil, Castor oil, corn oil, sunflower oil, isooctyl oleate, methyl oleate, paraffin oil.
The preparation method of embodiment 16-21 is with embodiment 15.
The using method of the made oil suspending agent of embodiment 16-21: be all applicable to preventing and kill off of corn field weed, every mu of ground consumption is respectively 240 grams, 160 grams, 120 grams, 200 grams, 275 grams, 320 grams, be watered 30～40 kilograms, even spraying under calm, fine condition.
Biologicall test test A: the field control effectiveness test of Control Weeds in Maize Field:
I) test is processed:
(1) 50% 80 grams/acre of mesotrione Pendimethalin Bentazon oil suspending agents (2:8:15);
(2) 50% 100 grams/acre of mesotrione Pendimethalin Bentazon oil suspending agents (2:8:15);
(3) 50% 120 grams/acre of mesotrione Pendimethalin Bentazon oil suspending agents (2:8:15);
(4) 48% mesotrione aqua 15ml/ mus;
(5) 33% pendimethalin missible oil 100ml/ mus;
(6) 48% Bentazon aqua 100ml/ mus;
(7) clear water blank (CK);
7 processing are established in test, repeat for 4 times, process community for totally 28,20 square metres of every processing community areas, and random district group is arranged.(1)～(3) are the made Herbicidal combinations of the present invention, and (4)～(6) are contrast medicament (street drug), and (7) are clear water blank (CK).By every mu, be watered 30～40 kilograms, secondary dilution, stirs, and adopts 552 third type sprayer even spraying.Field main weeds has: Amaranthus retroflexus, lamb's-quarters, lady's-grass, eleusine indica, green foxtail, barnyard grass, field bindweed, jorum flower etc.
Test weather condition on the same day: fine, calm.
II) test objective and method:
A) safety: after dispenser, observe the situation of growing of corn, evaluate Herbicidal combinations of the present invention to the safety of corn and Herbicidal combinations of the present invention the effective dose at corn field.
B) herbicidal effect: every community is got 4 points at random, investigates 1/4 square metre at every, and after dispenser, each investigation in 15 days, 30 days once, is recorded respectively kind and the strain number of weeds, calculates weeds strain preventive effect.After last investigation, collect 4 weeds in community, claim that its bright grass is heavy, calculate the heavy preventive effect of bright grass, the formula that calculates strain preventive effect and fresh weight preventive effect is as follows:
Preventive effect (%)={ [check plot weeds strain number (fresh weight)-treatment region weeds strain numbers (fresh weight)]/check plot weeds strain number (fresh weight) } * 100.
III) result of the test:
A) safety: execute observation post administration, Herbicidal combinations treatment region corn plant height of the present invention, Ye Se and blank district are basically identical, show that Herbicidal combinations of the present invention is to corn safety;
B) herbicidal effect: in Table 1:
As can be seen from Table 1, Herbicidal combinations mesotrione of the present invention, Pendimethalin and Bentazon herbicide spectrum are complementary, consumption is 80 grams/acre of integrated control effects to weeds when the integrated control effect of weeds being significantly less than consumption and being 120 grams/acre during with 100 grams/acre, so Herbicidal combinations of the present invention is 120 grams/acre for the optimum amount of corn field.Dispenser when after 15 days, consumption is 120 grams/acre preventing weeding weeds effect be 93.5%, preventive effect 73.7%, the 33% pendimethalin missible oil consumption that is 15ml/ mu apparently higher than contrast medicament 48% mesotrione aqua consumption is that preventive effect 76%, the 48% Bentazon aqua consumption of 100ml/ mu is the preventive effect 49.3% of 100ml/ mu.Dispenser when after 30 days, Herbicidal combinations consumption of the present invention is 120 grams/acre strain preventive effect be 90.4%, fresh weight preventive effect is 90.6%, apparently higher than contrast medicament 48% mesotrione aqua consumption, be still strain preventive effect 70.4%, the fresh weight preventive effect 71% of 15ml/ mu, 33% pendimethalin missible oil consumption is that strain preventive effect 71.1%, fresh weight preventive effect 72.6%, the 48% Bentazon aqua consumption of 100ml/ mu is strain preventive effect 45.8%, the fresh weight preventive effect 52.5% of 100ml/ mu.
Biologicall test test B: Control Weeds in Maize Field field control effectiveness test:
I) test is processed:
(1) 10% 600 grams/acre of mesotrione Pendimethalin Bentazon aqueous suspensions (1:4:5);
(2) 45% 120 grams/acre of mesotrione Pendimethalin Bentazon wetting powders (1:4:40);
(3) 31% 120 grams/acre of mesotrione Pendimethalin Bentazon aqueous suspensions (1:25:5);
(4) 66% 120 grams/acre of mesotrione Pendimethalin Bentazon wetting powders (1:25:40);
(5) 19% 70 grams/acre of mesotrione Pendimethalin Bentazon aqueous suspensions (10:4:5);
(6) 54% 70 grams/acre of mesotrione Pendimethalin Bentazon wetting powders (10:4:40);
(7) 40% 70 grams/acre of mesotrione Pendimethalin Bentazon wetting powders (10:25:5);
(8) 75% 70 grams/acre of mesotrione Pendimethalin Bentazon wetting powders (10:25:40);
(9) 30% 240 grams/acre of mesotrione Pendimethalin Bentazon oil suspending agents (2:8:20);
(10) 21% 320 grams/acre of mesotrione Pendimethalin Bentazon oil suspending agents (2:4:15);
(11) 25% 300 grams/acre of mesotrione Pendimethalin Bentazon oil suspending agents (2:8:15);
(12) 29% 275 grams/acre of mesotrione Pendimethalin Bentazon oil suspending agents (2:12:15);
(13) 48% mesotrione aqua (AS) 15ml/ mus;
(14) 33% pendimethalin missible oil (EC) 100ml/ mus;
(15) 48% Bentazon aqua (AS) 100ml/ mus;
(16) clear water contrast (CK);
16 processing are established in test, repeat for 4 times, process community for totally 64,20 square metres of every processing community areas, and random district group is arranged.(1)～(12) are the made Herbicidal combinations of the present invention, and (13)～(15) are contrast medicament (street drug), and (16) are clear water blank (CK).By every mu, be watered 30～40 kilograms, secondary dilution, stirs, and adopts 552 third type sprayer even spraying.Field main weeds has: Amaranthus retroflexus, lamb's-quarters, lady's-grass, eleusine indica, green foxtail, barnyard grass, field bindweed, jorum flower etc.
Test weather condition on the same day: fine, calm.
II) test objective and method:
A) safety: after dispenser, observe the situation of growing of corn, evaluate the safety of Herbicidal combinations of the present invention to corn;
B) herbicidal effect: every community is got 4 points at random, investigates 1/4 square metre at every, and after dispenser, 15 days investigation weeds situations, record respectively kind and the strain number of weeds, calculate weeds strain preventive effect; Collect 4 weeds in community, claim that its bright grass is heavy, calculate the heavy preventive effect of bright grass, the formula that calculates strain preventive effect and fresh weight preventive effect is as follows:
Preventive effect (%)={ [check plot weeds strain number (fresh weight)-treatment region weeds strain numbers (fresh weight)]/check plot weeds strain number (fresh weight) } * 100.
III) result of the test:
A) safety: execute observation post administration, Herbicidal combinations treatment region corn plant height of the present invention, Ye Se and blank district are basically identical, show that Herbicidal combinations of the present invention is to corn safety;
B) herbicidal effect: in Table 2:
As can be seen from Table 2, the Herbicidal combinations of the present invention of different proportionings all has good preventive effect effect to the common weed of corn field, to the strain preventive effect of weeds and fresh weight all more than 80%, and mesotrione: Pendimethalin: when the weight ratio of Bentazon is 2:8:15, preventive effect is best, strain preventive effect is 93.6%, fresh weight preventive effect is 94.8%, and the weeds in control of maize field, have guaranteed the normal growth of corn and be not subject to the harm of weeds effectively.
In sum, component of the present invention is reasonable, the effect that preventive effect is obviously better than each single dose while using separately, field control effectiveness test shows that mesotrione, Pendimethalin and Bentazon herbicide spectrum are complementary, synergistic effect is remarkable, a dispenser can be prevented and kill off more than 90% weeds of whole corn field, reduce spraying times and consumption, reduce costs, slow down the generation of Weed Resistance, good to corn safety, meet the requirement of pesticidal preparations development.
Claims (10)
1. a corn field Herbicidal combinations, is characterized in that: its active ingredient consists of mesotrione, Pendimethalin and Bentazon, and the weight ratio of described mesotrione, Pendimethalin and Bentazon is 1-10:4-25:5-40.
2. a kind of corn field Herbicidal combinations according to claim 1, is characterized in that: the weight ratio of described mesotrione, Pendimethalin and Bentazon is 2:8:15.
3. a kind of corn field Herbicidal combinations according to claim 1 and 2, is characterized in that: described active ingredient mesotrione, Pendimethalin and Bentazon account for the 10-75% of Herbicidal combinations gross weight, and all the other are auxiliary element.
4. a kind of corn field Herbicidal combinations according to claim 3, is characterized in that: the formulation of this Herbicidal combinations is wetting powder, oil suspending agent or aqueous suspension.
5. a kind of corn field Herbicidal combinations according to claim 4, it is characterized in that: the percentage by weight of each constituent of described wetting powder in wetting powder is respectively: mesotrione, Pendimethalin and Bentazon 30-75%, dispersant 3-8%, wetting agent 1-5%, surplus is carrier.
6. a kind of corn field Herbicidal combinations according to claim 5, is characterized in that: described dispersant is one or more in lignin and derivative sulfonate, naphthalene and alkylnaphthalene sulfonate formaldehyde condensation products, alkylphenol polyoxyethylene phosphate; Described wetting agent is sldium lauryl sulfate, neopelex, pull open one or more in powder, fatty alcohol-polyoxyethylene ether, OPEO, polyoxyethylene nonylphenol ether; Described carrier is one or more in atlapulgite, kaolin, montmorillonite, diatomite, attapulgite, white carbon, precipitated calcium carbonate.
7. a kind of corn field Herbicidal combinations according to claim 4, it is characterized in that: the percentage by weight of each constituent of described aqueous suspension in aqueous suspension is respectively: mesotrione, Pendimethalin and Bentazon 10-50%, wetting agent 2-10%, dispersant 2-10%, thickener 0.5-2%, antifreezing agent 2-8%, defoamer 0.1-1%, surplus is water.
8. a kind of corn field Herbicidal combinations according to claim 7, is characterized in that: described wetting agent is one or more in lauryl sodium sulfate, neopelex, sldium lauryl sulfate, fatty alcohol-polyoxyethylene ether, OPEO, dioctyl sodium sulfosuccinate; Described dispersant is one or both in lignosulfonates, naphthalene and alkylnaphthalene sulfonate formaldehyde condensation products; Described thickener is one or more in xanthans, gel, aluminium-magnesium silicate, sodium alginate; Described antifreezing agent is one or more in ethylene glycol, glycerine, polyethylene glycol, urea, sorbitol; Described defoamer is one or more in silicone defoaming agent, polyglycerol, polyether-modified silicon defoaming agent.
9. a kind of corn field Herbicidal combinations according to claim 4, it is characterized in that: the percentage by weight of each constituent of described oil suspending agent in oil suspending agent is respectively: mesotrione, Pendimethalin and Bentazon 10-50%, emulsifier 1-20%, wetting agent 0-10%, dispersant 0-10%, thickener 0.1-2%, surplus is oils solvent.
10. a kind of corn field Herbicidal combinations according to claim 9, is characterized in that: described emulsifier is one or more in alkylphenol polyoxyethylene, Bian Ji phenol polyethenoxy ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, styrylphenol polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, sorbitan fatty acid ester, castor oil polyoxyethylene ether, neopelex, alkyl benzene calcium sulfonate, aliphatic alcohol sulfate, alkylphenol polyoxyethylene phosphate; Described wetting agent is one or both in lauryl sodium sulfate, fatty alcohol-polyoxyethylene ether; Described dispersant is one or more in sodium lignin sulfonate, polycarboxylate salt dispersant, alkylnaphthalene sulfonate; Described thickener is one or more in white carbon, polyvinyl alcohol, bentonite, xanthans, gel, aluminium-magnesium silicate; Described oils solvent is one or more in soybean oil, rapeseed oil, cottonseed oil, palm oil, Castor oil, corn oil, sunflower oil, isooctyl oleate, methyl oleate, paraffin oil.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103798252A (en) * | 2014-02-27 | 2014-05-21 | 江苏省激素研究所股份有限公司 | Mesotrione compound herbicide |
| CN106386835A (en) * | 2016-08-30 | 2017-02-15 | 枣阳市众成化工有限公司 | Preparation method of wettable powder containing fluoroglycofen ethyl |
| CN106818785A (en) * | 2017-02-09 | 2017-06-13 | 浙江天丰生物科学有限公司 | Herbicidal combinations containing clomazone, pendimethalin and mesotrione |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103798252A (en) * | 2014-02-27 | 2014-05-21 | 江苏省激素研究所股份有限公司 | Mesotrione compound herbicide |
| CN103798252B (en) * | 2014-02-27 | 2016-04-13 | 江苏省激素研究所股份有限公司 | A kind of mesotrione complex weedicide |
| CN106386835A (en) * | 2016-08-30 | 2017-02-15 | 枣阳市众成化工有限公司 | Preparation method of wettable powder containing fluoroglycofen ethyl |
| CN106818785A (en) * | 2017-02-09 | 2017-06-13 | 浙江天丰生物科学有限公司 | Herbicidal combinations containing clomazone, pendimethalin and mesotrione |
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