CN101485310A - Herbicidal composition for non-cultivating land - Google Patents

Abstract

The invention relates to a weeding composition for an uncultivated area, which uses triclopyr and glyphosate as active components which are mixed together with pesticide acceptable auxiliary elements, wherein the weight percentage of the triclopyr and the glyphosate is 1:(1-10). The two active components are combined together to play a role in synergism so that the herbicide controlling spectrum of the composition is enlarged to not only prevent and eliminate perennial liana, undershrub weeds and broad leaved weeds, but also prevent and eliminate annual biennial weeds, thus the weeding effect is improved, and the production cost is reduced simultaneously.

Description

Herbicidal composition for non-cultivating land

Technical field

The present invention relates to a kind of herbicidal composition, particularly a kind of herbicidal composition that is used for uncultivated area.

Background technology

Triclopyr (triclopyr), chemical constitution is suc as formula shown in (I), Triclopyr is the selectivity systemic herbicide, be mainly used in forest land, uncultivated area, orchard etc., shrub weeds and broad leaved weed are had very strong lethal effect, can prevent and kill off multiple broad leaved weed, unhelpful forest, shrub, invalid to grassy weed and sedge weed.For example: rule grass etc.

Glyphosate (glyphosate), chemical constitution are suc as formula shown in (II), and glyphosate is the chronic wide spectrum steriland herbicide of a kind of inner sucting conduction type, applied range: orchard, crops ridge, in the ranks, uncultivated area, no-tillage ground etc.Can prevent and kill off the plant of sections more than 40 such as unifacial leaf and dicotyledonous, annual and perennial, draft and shrub.Outstanding to weed control efficacies such as common Amaranthus retroflexus, lady's-grass, acalypha copperleafs.But some are prevented heterodyne to tall and big, the lignified malignant weed of living plant of year.

Uncultivated area, orchard weeds kind are many, common weed has 40 sections approximately, kind more than 150, dry land common weed are the chief components of uncultivated area, orchard weeds, as Amaranthus retroflexus, lady's-grass, smallflower galinsoga herb, rule grass, lead a cow, weeds such as cogongrass also are the common weeds in uncultivated area, orchard.The weeds emergence period is long, and perennial weed is many, and grass is complicated mutually, and peasant's drug level is relatively low, is difficult to thoroughly prevent and kill off.

Summary of the invention

At above-mentioned situation, the present invention will provide a kind of can prevent and kill off perennial liana, undershrub weeds and broad leaved weed, and the uncultivated area that can prevent and kill off annual and 2 years living weeds again is with efficient weeding agricultural chemicals.

Herbicidal composition for non-cultivating land of the present invention, be to be active ingredient, form jointly that the percentage by weight of Triclopyr and glyphosate is 1:(1～10) with acceptable auxiliary element in the agricultural chemicals with Triclopyr and glyphosate, better ratio is 1:(1～4), preferred proportion is 1:(2～3).

Acceptable auxiliary element in the said agricultural chemicals in the above-mentioned composition, generally can comprise at present in the agricultural chemicals relevant with said active ingredient existing use can not bring into play inert filler all kinds of commonly used and/or the solvent composition that adverse effect is arranged with its generation chemical action or to its drug effect, conventional surfactant composition with effects such as emulsification and/or wetting and/or dispersions, and comprise as anti-caking agent, antifreezing agent, defoamer, bleeding agent, cosolvent, stabilizing agent, tackifier, adding ingredient commonly used in the corresponding agricultural chemicals such as preservative, and can do corresponding selection according to the difference of prepared dosage form.

According to different use needs or applying environment/conditions, the Herbicidal composition for non-cultivating land of the above-mentioned form of the present invention can prepare processing mode by present routine, with above-mentioned said active drug composition and corresponding auxiliary element is raw material, is prepared into multi-form operational corresponding formulation after fully mixing.Comprise as wetting powder, soluble powder, soluble granula, aqueous emulsion or suspension emulsion etc.For example:

Wetting powder (WP) promptly can homodisperse solid powder preparation in water.During preparation; except in the usual way with above-mentioned active drug composition with as white carbon; precipitated calcium carbonate; potter's clay; diatomite; outside thinner that attapulgite etc. are commonly used or inert substance mix; can also add other auxiliary element by the usual manner of agricultural chemicals preparation; as alkylbenzenesulfonate (DBS-Na) commonly used; alkylnaphthalene sulfonate (drawing back powder); alkylphenol-polyethenoxy base ether sulfate; alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate; aliphatic alcohol sulfate; fatty alcohol ethylene oxide adduct sulfonate; fatty amine salt; the alkyl ammonium bromide; (cationic) alkyl amide taurate; aliphatic alcohol polyethenoxy base ether (JFC) naphthalene sulfonate; naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO; NNO or MF etc.); lignin and derivative sulfonate (M-9 thereof; POLYFON etc.); the polyoxyethylene poly-oxygen propylene aether block copolymer; polycarboxylate; alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate (SOPA); polyvinyl alcohol (PVA); carboxymethyl cellulose (CMC) and as penetrating agent JFC; azone; thiophene ketone; among the penetrant t one or more and stabilizing agent commonly used; foam inhibitor; the auxiliary component that anticaking agent etc. are complementary.

Suspension emulsion (SE), i.e. the hybrid dispersions of the insoluble agricultural chemicals of water in water, a kind of active ingredient wherein is in suspended state, and another kind of active ingredient is in emulsion state.During preparation, can be by auxiliary elements such as said active drug composition and corresponding emulsifier, wetting dispersing agent, thickener, stabilizing agent, pH regulator agent, defoamer, antifreezing agents, mixed through the wet method ultramicro grinding in the usual way.In alkylbenzenesulfonate (agricultural newborn 500#), alkylphenol polyoxyethylene class (agricultural newborn 100#), phenethyl phenol polyethenoxy ethers (agricultural newborn 600#), polyol fatty acid ester and ethylene oxide adduct thereof (BY emulsifier, peaceful breast), alkyl phenol or the aralkyl phenol polyethenoxy ether formaldehyde condensation products (Nongru-700 #) etc. that said emulsifier generally can be selected to use always one or more.Dispersant generally can use naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF), lignin and derivative sulfonate (M-9, POLYFON etc.) thereof, phosphate polyethers, alkylphenol-polyethenoxy base ether sulfonate, polyoxyethylene polyoxypropylene base ether block copolymers, one or more in alkylphenol-polyethenoxy base phosphate, carboxymethyl cellulose (CMC), polyvinylpyrrolidone (PVP), polyethylene glycol (PEG), the condensed phosphate etc.In addition, can also use thickener and stabilizing agent, as in xanthan gum (XG), polyvinyl alcohol (PVA), the Magnesiumaluminumsilicate etc. one or more;

Antifreezing agent such as sodium chloride, urea, ammonium sulfate, ethylene glycol, 1, one or more in the polyalcohols such as 2-propane diols; And pH regulator agent such as citric acid commonly used, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, potash, sodium carbonate, and as organic silicon defoaming agent, organosilicon foam inhibitor etc.

Aqueous emulsion (EW) is that water-fast original liquid body or former medicine are dissolved in the liquid preparation that the liquid dispersion of water-fast organic solvent gained forms in water.Can and comprise the auxiliary element of solvent, emulsifier, co-emulsifier, antifreeze, defoamer, antimicrobial, pH regulator agent, density adjuster, thickener etc. by said active drug composition during preparation, make through high-shear emulsifying.Solvent wherein can be selected one or more in benzene class, ketone or the alcohols equal solvents such as toluene commonly used in the agricultural chemicals, dimethylbenzene; Emulsifier can be selected as in the poly-alkane alkene polyamine of above-mentioned ethoxyquin alkyl ether, ethoxyquin alkyl phenylate, alkylbenzenesulfonate, oxirane-propylene oxide block copolymer, alkyl phenol polyglycol ether, polyoxyethylene fatty acid ester, sorb Arrcostab, polyoxy alkane alkene, the amide-type etc. one or more; Co-emulsifier can be selected as in the alkane alcohols such as butanols, isobutanol, dodecanol-1, tetradecanol-1, octadecanol-1 one or more; Antifreeze can be selected as above-mentioned sodium chloride, urea, ammonium sulfate, ethylene glycol, 1, one or more in the polyalcohols such as 2-propane diols; Thickener and stabilizing agent also can be selected as in above-mentioned xanthan gum (XG), polyvinyl alcohol (PVA), the Magnesiumaluminumsilicate etc. one or more, and auxiliary agents such as pH regulator agent of using in case of necessity and defoamer etc.

Soluble powder (SP) is meant and is using under the solubility that effective ingredient can be disperseed and complete formulation soluble in water rapidly, during preparation, can through conventional mode by said active drug composition and above-mentioned wetting agent, dispersant, stabilizing agent, etc. auxiliary element form.

Soluble granula (SG) during preparation, can be made up of auxiliary elements such as said active drug composition and above-mentioned wetting agent, dispersant, interleaving agent, disintegrant, stabilizing agent, adhesives through conventional mode.

Result of the test shows, in the above-mentioned Herbicidal combinations of the present invention, two active ingredient Triclopyrs and glyphosate can the tool obvious synergistic effect, can prevent and kill off perennial liana, undershrub weeds and broad leaved weed, can prevent and kill off annual again and 2 years living weeds, not only enlarged and killed the grass spectrum, and improved herbicidal effect, reduced production cost.

Embodiment below in conjunction with embodiment is described in further detail foregoing of the present invention again.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following example.Do not breaking away under the above-mentioned technological thought situation of the present invention, various replacements or change according to ordinary skill knowledge and customary means are made all should comprise within the scope of the invention.The percentage that each raw material is formed among the embodiment is part by weight.

Embodiment

One, wetting powder formulation class (embodiment 1～embodiment 3)

Preparation method: former medicine, various auxiliary agent and filler etc. are fully mixed after comminution by gas stream obtains converted products.

Embodiment 1

Glyphosate acid 15%, Triclopyr acid 5%, neopelex 4%, naphthalene sulfonate 7%, precipitated calcium carbonate complements to 100%.Product is 20% wetting powder.

Embodiment 2

Glyphosate acid 30%, Triclopyr acid 10%, sodium alkyl sulfate 5%, carboxylate 5%, sodium lignin sulfonate 8%, white carbon black 6%, kaolin complements to 100%.Product is 40% wetting powder.

Embodiment 3

Glyphosate acid 35%, Triclopyr acid 15%, dodecyl sulphate acid sodium 3%, alkyl naphthalene formaldehyde condensate sulfonates 7%, sodium lignin sulfonate 5%, precipitated calcium carbonate complements to 100%.Product is 50% wetting powder.

Two, aqueous emulsion agent (embodiment 3～embodiment 6)

Preparation method: former medicine, solvent, emulsifier, co-emulsifier etc. are added together, make it to form uniform oil phase.Water, antifreeze, thickener, antimicrobial etc. are added together, make it to form uniform water.Under high-speed stirred, oil phase is poured into water or poured water into oil phase, form finely disseminated aqueous emulsion preparation.

Embodiment 4

Glyphosate sodium salt 7%, Triclopyr ester 3%, polyoxyethylene fatty acid ester 3%, alkylphenol-polyethenoxy base ether phosphate 5%, dimethylbenzene 15%, propane diols 5%, xanthans 0.2%, silicone defoaming agent 0.4%, Sodium Benzoate 0.3%, water is mended to 100%.Product is 10% aqueous emulsion.

Embodiment 5

Glyphosate sodium salt 15%, Triclopyr ester 5%, oxirane propylene oxide block copolymer 5%, sorb Arrcostab 3%, cyclohexanone 15%, ethylene glycol 6%, polyvinyl alcohol 1%, Sodium Benzoate 0.3%, water is mended to 100%.Product is 20% aqueous emulsion.

Embodiment 6

Glyphosate sodium salt 20%, Triclopyr ester 10%, N, N-2-methylformamide 6%, polyoxyethylene nonylphenol ether 5%, alkylaryl polyoxyethylene poly-oxygen propylene aether 7%, dimethylbenzene 15%, propane diols 5%, xanthans 0.2%, Sodium Benzoate 0.3%, water is mended to 100%.Product is 30% aqueous emulsion.

Three, soluble powder formulation (embodiment 7～embodiment 9)

Preparation method: former medicine, various auxiliary agent and filler etc. are fully mixed after comminution by gas stream obtains converted products.

Embodiment 7

Glyphosate sodium salt 30%, Triclopyr sodium salt 10% neopelex 4%, naphthalene sulfonate 7%, anhydrous sodium sulfate complements to 100%.Product is 40% soluble powder.

Embodiment 8

Glyphosate sodium salt 40%, Triclopyr sodium salt 20%, sodium alkyl sulfate 2%, carboxylate 6%, sodium lignin sulfonate 5%, anhydrous sodium sulfate complements to 100%.Product is 60% soluble powder.

Embodiment 9

Glyphosate sodium salt 55%, Triclopyr sodium salt 25%, dodecyl sulphate acid sodium 3%, alkyl naphthalene formaldehyde condensate sulfonates 4%, the anhydrous slufuric acid ammonium complements to 100%.Product is 80% soluble powder.

Four, suspended emulsion formulation (embodiment 10～embodiment 12)

Preparation method: the be added to the water back that stirs such as former medicine, dispersion moisture agent, suspension aid, antifreeze, thickener is added in the sand mill, grind, make suspending agent.

Embodiment 10

Glyphosate sodium salt 15%, Triclopyr ester 5%, phosphate polyethers 5%, alkylphenol polyoxyethylene 3%, white carbon black 0.5%, xanthans 0.3%, ethylene glycol 5%, Sodium Benzoate 0.4%, silicone defoaming agent 0.6%, water is mended to 100%.Product is 20% suspended emulsion.

Embodiment 11

Glyphosate sodium salt 20%, Triclopyr ester 10%, naphthalene sulfonate 5%, aryl alkyl APEO 2%, aluminium-magnesium silicate 0.4%, propane diols 5%, Sodium Benzoate 0.3%, silicone defoaming agent 0.4%, water is mended to 100%.Product is 30% suspended emulsion.

Embodiment 12

Glyphosate sodium salt 30%, Triclopyr ester 10%, modified lignin resin 3%, carboxylate 5%, carboxymethyl cellulose 0.5%, xanthans 0.2%, ethylene glycol 6%, Sodium Benzoate 0.4%, silicone defoaming agent 0.6%, water is mended to 100%.Product is 40% suspended emulsion.

Five, water-soluble granule formulation (embodiment 12～embodiment 16)

Preparation method: former medicine, dispersion moisture agent, adhesive, filler, disintegrant etc. are mixed pulverizing, add water and mediate, add in the granulator of the screen cloth that certain specification is housed and carry out granulation.Obtain granular formulations after drying then, sieving.

Embodiment 13

Glyphosate sodium salt 20%, Triclopyr sodium salt 10%, naphthalene sulfonate 5%, polyvinylpyrrolidone 4%, soluble starch 20%, anhydrous sodium sulfate is mended to 100%.Product is 30% water dispersible granules.

Embodiment 14

Glyphosate sodium salt 30%, Triclopyr sodium salt 15%, carboxylate 4%, lignosulfonates 8%, sodium sulphate 10%, soluble starch complements to 100%.Product is 45% water dispersible granules.

Embodiment 15

Glyphosate sodium salt 35%, Triclopyr sodium salt 15%, naphthalene sulfonate 6%, sodium carboxymethylcellulose 0.5%, sodium sulphate complements to 100%.Product is 50% water dispersible granules.

Embodiment 16

Glyphosate sodium salt 40%, Triclopyr sodium salt 20%, naphthalene sulfonate 6%, soluble starch complements to 100%.Product is 60% water dispersible granules.

Can prove the preventive effect of the above-mentioned Herbicidal combinations of the present invention by following correlation test result.

One, Toxicity Determination

The above-mentioned Herbicidal combinations of the present invention is carried out the greenhouse pot culture active determination test, set up virulence regression equation, calculate ED50 and calculate co-toxicity coefficient CTC according to fresh weight preventive effect and concentration relationship.Result of the test is as shown in table 1.

According to the abundant method of Sun Yun, if the mixture co-toxicity coefficient is a summation action 80～120, co-toxicity coefficient was synergistic effect greater than 120 o'clock.Co-toxicity coefficient situation of change when Triclopyr mixes in varing proportions with glyphosate in each prescription as can be seen from Table 1, performance is obviously to synergistic effect in the proportion of 1:1.5～1:4, and the combination outside this scope has summation action.

Table 1 present composition is to the co-toxicity coefficient of weeds (Amaranthus retroflexus, smallflower galinsoga herb, humulus grass)

The medicament title	Virulence regression equation	ED 50(mg/L)	Correlation coefficient (r)	ATI	TTI	CTC
							10% Triclopyr preparation	y＝1.3593+1.5423x	229.36	0.9860	100	—	—
10% glyphosate formulation	y＝2.5334+1.1424x	144.28	0.9865	159	—	—
							Triclopyr+glyphosate (4+46)	y＝2.5058+1.1694x	135.77	0.9985	169	154	110
Triclopyr+glyphosate (6+44)	y＝2.4688+1.1970x	130.22	0.9900	176	152	116
							Triclopyr+glyphosate (8+42)	y＝2.6678+1.1054x	128.80	0.9934	181	150	119
Triclopyr+glyphosate (10+40)	y＝3.0168+0.9628x	114.75	0.9953	200	147	136
							Triclopyr+glyphosate (12+38)	y＝2.7995+1.0743x	111.78	0.9860	205	145	141
Triclopyr+glyphosate (14+36)	y＝2.1551+1.4115x	103.65	0.9887	221	142	156
							Triclopyr+glyphosate (16+34)	y＝2.8421+1.0595x	108.80	0.9902	211	140	151
Triclopyr+glyphosate (18+32)	y＝2.9263+1.0170x	109.41	0.9938	209	139	150
							Triclopyr+glyphosate (20+30)	y＝2.5064+1.1975x	120.89	0.9976	190	135	141
Triclopyr+glyphosate (25+25)	y＝2.4640+1.1448x	164.11	0.9923	140	130	108

Two, field trial

1. indoor pot experiment

Dispenser period: weeds (humulus grass) 3-4 leaf phase (the humulus grass is prosperous long-term);

Test method: indoor pot

Test is handled: A:50% soluble powder (Triclopyr/glyphosate=14/36) 110g/ mu

B:50% soluble powder (Triclopyr/glyphosate=14/36) 140g/ mu

C:50% soluble powder (Triclopyr/glyphosate=14/36) 170g/ mu

D:48% Triclopyr missible oil 300ml/ mu

The E:41% farming reaches aqua 250ml/ mu

F: blank

After the dispenser 45 days, the result of the test behind the calibrated fresh weight preventive effect % was as shown in table 2.

By table 2 result as can be seen, can show after two combination of active principles in the present composition uncultivated area weeds are had even more ideal preventive effect, compare with the single component preparation, improved the corresponding activity of weeding of its former single agent, enlarged and killed the grass spectrum and reduced dosage.

Table 2 composition embodiment prevents and kill off uncultivated area weeds test fresh weight preventive effect result

2. field trial

Dispenser period: weeds 3-4 leaf phase;

Test method: uncultivated area and oranges and tangerines garden

Test is handled: A:50% soluble powder (Triclopyr/glyphosate=14/36) 110g/ mu

B:50% soluble powder (Triclopyr/glyphosate=14/36) 140g/ mu

C:50% soluble powder (Triclopyr/glyphosate=14/36) 170g/ mu

D:48% Triclopyr missible oil 300ml/ mu

The E:41% farming reaches aqua 250ml/ mu

F: blank

Result of the test is shown in table 3 and table 4.

The result of table 3 and table 4 shows that equally can show after the combination of two effective ingredients in the present composition has better preventive effect to the uncultivated area weeds, compares with single agent, can improve the activity of weeding of former corresponding single agent, has enlarged and has killed the grass spectrum, has reduced dosage.

Table 3 composition is prevented and kill off uncultivated area weeds field trial fresh weight preventive effect (%) dispenser 45 days

Table 4 composition is prevented and kill off oranges and tangerines garden weeds field trial fresh weight preventive effect (%) dispenser 45 days

Claims (4)

1. Herbicidal composition for non-cultivating land is characterized in that with Triclopyr and glyphosate be active ingredient, forms jointly with acceptable auxiliary element in the agricultural chemicals, and the percentage by weight of Triclopyr and glyphosate is 1:(1～10).

2. Herbicidal composition for non-cultivating land as claimed in claim 1, the percentage by weight that it is characterized in that said active ingredient Triclopyr and glyphosate is 1:(1～4).

3. Herbicidal composition for non-cultivating land as claimed in claim 2, the percentage by weight that it is characterized in that said active ingredient Triclopyr and glyphosate is 1:(2～3).

4. as the described Herbicidal composition for non-cultivating land of one of claim 1 to 3, it is characterized in that with Triclopyr and glyphosate be active ingredient, with common any formulation formed in operational wetting powder, soluble powder, soluble granula, aqueous emulsion or the suspension emulsion of acceptable auxiliary element in the agricultural chemicals.