CN106962347A - Special herbicidal composition of a kind of Muskmelon Planting and preparation method thereof - Google Patents

Abstract

The invention belongs to agricultural technology field, special herbicidal composition of a kind of Muskmelon Planting and preparation method thereof is particularly disclosed.The special herbicidal composition of the Muskmelon Planting, including accounting for the active ingredient of herbicidal composition gross weight 0.1%~25% and accounting for the auxiliary agent of herbicidal composition gross weight 0%~70%, surplus is filler, the group of effective components turns into mesotrione and azimsulfuron, and the weight ratio of the mesotrione and azimsulfuron is 1:10~80:1.The special herbicidal composition of the Muskmelon Planting applies convenient granule and granulae effervescentes and prevents and kill off the weeds in Muskmelon Planting there is provided a kind of；Prepared granule has good preventive effect to the weeds in Muskmelon Planting, is used cooperatively with azimsulfuron, and azimsulfuron can effectively improve insect killing effect of the mesotrione to weeds, can directly shed plantation nursery using or convert Fertilizer application.

Description

Special herbicidal composition of a kind of Muskmelon Planting and preparation method thereof

【Technical field】

The invention belongs to technical field of pesticide, the special herbicidal composition of more particularly to a kind of Muskmelon Planting and its preparation side Method.

【Background technology】

Muskmelon produce, either in the nursery of breeding, still hand over to crop field, weeds grow together always, harm be it is serious, One be weeds species it is many, single leaf weeds, broad leaved weed can grow；Two be muskmelon dose it is big, easy rich water length is violent Grass；Three be that weeds breeding is fast, density is big, and the symbiosis contradiction won honour for muskmelon, striven fertilizer, strive water is big；Four be the procreation induction of weeds Pest and disease damage.Therefore, the removing of weeds should be paid attention in Muskmelon Planting.

【The content of the invention】

Simple, preparation technology is applied the invention provides one kind and equipment is simple, time saving and energy saving, efficient, environmentally friendly, herbicidal effect is good The special herbicidal composition of Muskmelon Planting and preparation method thereof.

The present invention is achieved through the following technical solutions：

A kind of special herbicidal composition of Muskmelon Planting, including account for the effective of herbicidal composition gross weight 0.1%~25% Composition and the auxiliary agent for accounting for herbicidal composition gross weight 0%~70%, surplus is filler, and the group of effective components turns into nitre sulphur Humulone and azimsulfuron, the weight ratio of the mesotrione and azimsulfuron is 1:10~80:1.

The formulation of the herbicidal composition is granule, and the active ingredient accounts for the 0.1% of herbicidal composition gross weight ~4.5%.

The formulation of the herbicidal composition is granule, and when being prepared using absorption comminution granulation, the auxiliary agent includes emulsifying agent 0.1%~0.6%, dispersant 0.01%~0.1%, stabilizer 0.1%~0.6% and decentralized medium 0.1%~20%；Its In, the emulsifying agent is commercial goods emulsifying agent SP-OF3468 (Changsha Deyuan Environmental Agents Ltd.), and dispersant is RF-8 (Jiangsu Kai Yuan Science and Technology Ltd.s), stabilizer is citric acid, and decentralized medium is methyl oleate, and filler is deposed brick slag, concave convex rod One kind in soil.

The formulation of the herbicidal composition is granule, when being prepared using absorption comminution granulation, specifically includes following steps：

(1) in shearing after mesotrione and azimsulfuron, emulsifying agent, dispersant, stabilizer, decentralized medium being weighed in proportion Shearing 40min in kettle, it is then continuous in the horizontal sand mill of series connection to be sanded to 3 μm of particle diameter D50 ＜, obtain dispersible oil and suspend Agent；

(2) during filler is stirred continuously, dispersible oil-suspending agent made from step (1) is uniformly sprayed in the form of spraying After being spread across on filler, dispersible oil-suspending agent is all absorbed by filler, the herbicidal composition granule is produced.

The formulation of the herbicidal composition is granule, when being prepared using extruder grain method, and the auxiliary agent is cyclodextrin, sugarcane Sugar, chitosan, sodium carboxymethylcellulose, xanthans, polyvinylpyrrolidone, polyethylene glycol, soluble starch, gum arabic, One or more in soybean protein, casein glue, gelatine, gelatin；The filler is magnesium sulfate, ammonium sulfate, potassium dihydrogen phosphate, silicon One or more in diatomaceous earth, kaolin, white bole, attapulgite, clay.

The formulation of the herbicidal composition is granule, when being prepared using extruder grain method, specifically includes following steps：

(1) after mesotrione, azimsulfuron, auxiliary agent, filler being mixed in proportion, the continuation stirring mixture, and In whipping process, by the water for accounting for herbicidal composition gross weight 10% to be sprayed onto in the form of spraying on the mixture, extremely mix During thing just energy conglomeration, mixture is mediated；

(2) by the material after the obtained kneading of step (1), granulated in uniform feeding granulator, obtained diameter is more than or equal to 6mm's Cylindrical pellet, then dries to moisture below 50 DEG C and is less than 0.3%, produce the herbicidal composition granule.

The formulation of the herbicidal composition is granulae effervescentes, and the active ingredient accounts for herbicidal composition gross weight 0.5%~25%.

When the formulation of the herbicidal composition is granulae effervescentes, the auxiliary agent includes acid source 15%~35%, alkali source 15% ~35%, coating agent 0.5%~15%, binding agent 0.5%~10%, drier 0.1%~1%, lubricant 0%~1.5%, Draw humectant 0%~1% and foaming agent 0%~2%, wherein, the weight sum of acid source and alkali source accounts for herbicidal composition gross weight More than 50%；The acid source is the one or more in citric acid, boric acid, tartaric acid, fumaric acid, adipic acid, malic acid, alkali Source is the one or more in sodium carbonate, sodium acid carbonate, calcium bicarbonate, potassium carbonate, saleratus, and coating agent is polyethylene glycol (PEG-6000), one kind in polyethylene glycol (PEG-4000), polyethylene glycol (PEG-12000/20000), binding agent is poly- second Alkene pyrrolidone, lubricant is calcium stearate, magnesium stearate, odium stearate, zinc stearate, magnesium laurylsulfate, laruyl alcohol sulphur In sour sodium, lauryl sodium sulfate, sodium stearyl fumarate, enuatrol, L-Leu, Stepanol MG, sodium chloride One or more, drier is superfine silica gel powder, and foaming agent is one kind or two in lauryl sodium sulfate, Stepanol MG Kind, draw humectant for sodium chloride, filler is ammonium sulfate, lactose, sodium chloride, potassium dihydrogen phosphate, starch, clay, kaolin, diatom One or more in soil, attapulgite, white bole, cyclodextrin, microcrystalline cellulose.

When the formulation of the herbicidal composition is granulae effervescentes, preparation method uses following steps：

(1) under 15 DEG C~25 DEG C thermostat temperatures, 20%~25% constant humidity damp condition, by binding agent：Absolute ethyl alcohol=1:2 Ratio will binding agent add absolute ethyl alcohol in, be stirred and heated to binding agent be completely dissolved it is transparent, be made binding agent ethanol it is molten Liquid；

(2) under 15 DEG C~25 DEG C thermostat temperatures, 20%~25% constant humidity damp condition, by coating agent：Absolute ethyl alcohol=1:2 Ratio will coating agent add absolute ethyl alcohol in, be stirred and heated to coating agent be completely dissolved it is transparent, be made coating agent ethanol it is molten Liquid；

(3) mesotrione is well mixed with acid source in proportion, obtains the acid material of mesotrione；

(4) azimsulfuron is well mixed with alkali source in proportion, obtains the alkaline material of azimsulfuron；

(5) half of the ethanol solution of coating agent made from step (2) is added to nitre sulphur grass made from step (3) while stirring In the acid material of ketone, to mixed material cold air drying rear in pelletized form, acid grain is made；

(6) while stirring by the ethanol solution of coating agent made from step (2) second half is added to tetrazolium made from step (4) In the alkaline material of Sulfometuron Methyl, to mixed material cold air drying rear in pelletized form, alkali grain is made；

(7) it is alkali grain made from sour grain made from step (5), step (6) is well mixed, then add lubricant, drier, draw Humectant, foaming agent, filler stir, and add the ethanol solution of binding agent made from step (1), feeding after stirring Grain machine granulation, is made cylindrical pellet of the particle diameter between 6mm~20mm, is dried below 50 DEG C to moisture and is less than 0.3%, i.e., Obtain the herbicidal composition granulae effervescentes.

Application method：By the granule for preparing of the present invention or granulae effervescentes directly shed rice terrace using or convert fertilizer Use.

The pharmaceutical characteristic of each active component of the present invention is as follows：

Mesotrione：Mesotrione is effective inhibitor of HPPD (4- hydroxyphenyl pyravate dual oxides enzyme), is a kind of wide spectrum choosing Selecting property herbicide, can effectively prevent and kill off broadleaved herb and part dogstail section weeds, be usually used in the removing of corn field weed, use 3-5 days Yellow symptom occurs in implants separate living tissue to be caused after withered spot, fortnight throughout whole plant therewith.Mesotrione has weak acid Property, in inoic acid soil, can tightly it adsorb on organic substance, in neutral or basic soil, to be difficult to be absorbed Anionic form exist.

Azimsulfuron：Azimsulfuron is acetolactate synthestase (ALS) inhibitor, be mainly used in preventing and kill off barnyard grass, Broadleaved herb and sedge weed, are absorbed by weeds root and leaf, are conducted in plant body, so that suppress the ALS/AHAS of plant, Prevent branched-chain amino acid, the biosynthesis of isoleucine, the synthesis of final destruction protein, interference DNA synthesis, cell division and Growth, weeds are to stop growing, then withered.Azimsulfuron energy rapid metabolization in rice plant is non-poisonous material, to paddy rice Safety.

The beneficial effect of the special herbicidal composition of Muskmelon Planting of the present invention and preparation method thereof is：The Muskmelon Planting is special Herbicidal composition applies convenient granule and granulae effervescentes and prevents and kill off the weeds in Muskmelon Planting there is provided a kind of； Prepared granule has good preventive effect to the weeds in Muskmelon Planting, is used cooperatively with azimsulfuron, the phonetic sulphur of tetrazolium The grand insect killing effect that can effectively improve mesotrione to weeds, can directly shed plantation nursery using or convert fertilizer and make With.

Preparation Technology of Granules is simple, and finished product does not contain volatile organic solvent, while the oiliness part in granule is also Synergistic effect can be played, and is adapted to directly shed to use, it is simple and convenient pollution-free；Granulated using absorption method granulation with absorption at present Active ingredient is prepared as dispersible oil-suspending agent first unlike method, the particle made in this approach can be significantly improved Later blue or green preventive effect.The granulae effervescentes being made, compared with effervescent tablet, the requirement to environment is low, prepares simpler, bubble Great efforts are risen, can directly shed and use, even diameter 20mm cylinder bulky grain can be made in the granulae effervescentes of high content, often Mu ground is only thrown into several, and time saving and energy saving, granulae effervescentes is uniformly dispersed in water surface effervesce, and active ingredient be easier it is miscellaneous Grass roots portion effectively absorbs, and reaches the purpose of elimination.

【Embodiment】

With reference to embodiment, the invention will be further described, but the invention is not limited in this, the formulation system in embodiment Preparation Method is customary preparation methods, is no longer described in detail.

Embodiment 1：

12% mesotrione azimsulfuron granulae effervescentes (5:1) following components of following weight, are included：(with double centner Meter, as follows)

The preparation method of the special herbicidal composition granulae effervescentes of the Muskmelon Planting：Using following steps：

(1) under 15 DEG C~25 DEG C thermostat temperatures, 20%~25% constant humidity damp condition, by binding agent：Absolute ethyl alcohol=1:2 Ratio will binding agent add absolute ethyl alcohol in, be stirred and heated to binding agent be completely dissolved it is transparent, be made binding agent ethanol it is molten Liquid；

(2) under 15 DEG C~25 DEG C thermostat temperatures, 20%~25% constant humidity damp condition, by coating agent：Absolute ethyl alcohol=1:2 Ratio will coating agent add absolute ethyl alcohol in, be stirred and heated to coating agent be completely dissolved it is transparent, be made coating agent ethanol it is molten Liquid；

(3) mesotrione is well mixed with acid source in proportion, obtains the acid material of mesotrione；

(4) azimsulfuron is well mixed with alkali source in proportion, obtains the alkaline material of azimsulfuron；

(5) half of the ethanol solution of coating agent made from step (2) is added to nitre sulphur grass made from step (3) while stirring In the acid material of ketone, to mixed material cold air drying rear in pelletized form, acid grain is made；

(6) while stirring by the ethanol solution of coating agent made from step (2) second half is added to tetrazolium made from step (4) In the alkaline material of Sulfometuron Methyl, to mixed material cold air drying rear in pelletized form, alkali grain is made；

(7) it is alkali grain made from sour grain made from step (5), step (6) is well mixed, then add lubricant, drier, draw Humectant, foaming agent, filler stir, and add the ethanol solution of binding agent made from step (1), feeding after stirring Grain machine granulation, is made cylindrical pellet of the particle diameter between 6mm~20mm, and less than 50 DEG C dryings to moisture are less than 0.3%, produced The herbicidal composition granulae effervescentes.

Embodiment 2：

2.2% mesotrione azimsulfuron granule (6.35:1) following components of following weight, are included：

The special herbicidal composition granule of the Muskmelon Planting is prepared using absorption comminution granulation, using following steps：

(1) in shearing after mesotrione and azimsulfuron, emulsifying agent, dispersant, stabilizer, decentralized medium being weighed in proportion Shearing 40min in kettle, it is then continuous in the horizontal sand mill of series connection to be sanded to 3 μm of particle diameter D50 ＜, obtain dispersible oil and suspend Agent；

(2) during filler is stirred continuously, dispersible oil-suspending agent made from step (1) is uniformly sprayed in the form of spraying After being spread across on filler, dispersible oil-suspending agent is all absorbed by filler, the herbicidal composition granule is produced.

Embodiment 3：

17% mesotrione azimsulfuron granulae effervescentes (5.8:1) following components of following weight, are included：

The preparation method be the same as Example 1 of the special herbicidal composition granulae effervescentes of the Muskmelon Planting.

In order to verify the effect of the special herbicidal composition of Muskmelon Planting of the present invention, inventor has carried out tests below：

1st, toxicity is determined

(1-1) evaluation method：

Three kinds of type of action, i.e. synergistic effect, summation action, antagonism are typically exhibited after two kinds of herbicide mixing.Sun Yun Abundant (SunY-P) method is that those skilled in the art evaluate interacted after two kinds of active component mixing conventional evaluation criterion, this hair Bright use this method calculates co-toxicity coefficient evaluation and uses effect with.

Calculation formula：

The theoretical toxicity index (TTI) of the actual toxicity index of co-toxicity coefficient=mixture (ATI)/mixture

TI × mixture of A content+B agent is effective in TI × mixture active ingredient of theoretical toxicity index (TTI)=A agent of mixture B content in composition

The LC50 of the LC50/ mixtures of actual toxicity index (ATI)=standard agent of mixture

The LC50 (generally assigning A as standard agent) of the LC50/ reagent agents of toxicity index=standard agent

Wherein, it is synergistic effect that co-toxicity coefficient, which is more than 100, and it is antagonism that co-toxicity coefficient, which is significantly less than 100, and co-toxicity coefficient is equal to 100 be summation action.

(1-2) is for examination weeds：It is later blue or green

(1-3) reagent agent：Mesotrione, azimsulfuron.

(1-4) test procedure：Reagent agent is dissolved in acetone, a certain amount of Tween-80 is added, is configured to different dense The decoction of degree, keeps weight content of the Tween-80 in all decoctions consistent.Load about 8 in 40cm × 30cm vinyl disc Into full soil, later blue or green 20~30, seed is sown into per basin, one layer of thin sand and soil is covered above.When later, blue or green cotyledon is fully deployed And when growing 1-2 piece true leaves, cauline leaf spraying treatment is carried out, spouting liquid, with 30 kilograms of meterings, is separately set clear water and makees blank, each by mu Processing is repeated 3 times.The damage symptoms and growth inhibition situation of spray range estimation target weeds after 21 days, weigh strain fresh weight, calculate The later blue or green survival number and death toll of each processing are calculated, the death rate is calculated.

Table 1：Mesotrione, azimsulfuron are to later blue or green synergy

Composition	Mesotrione：Azimsulfuron	Virulence regression equation	LC50(ug/l)	Co-toxicity coefficient
					Mesotrione	-	y=2.3315+1.2796x	121.7307	-
Azimsulfuron	-	y=3.1111+0.8402x	177.0109	-
					Proportioning 1	80:1	y=2.3852+1.3662x	82.0163	149
Proportioning 2	10:1	y=2.6635+1.2980x	63.0957	198
					Proportioning 3	1:1	Y=3.0838+0.9649x	96.8055	146

Azimsulfuron is to mesotrione processing in the herbicidal composition that it can be seen from the experimental data of table 1 prepared by the present invention Later green grass or young crops can play synergistic effect.

2nd, field control effectiveness test

After rice transplanting, tested with the present example 1-9 herbicidal compositions prepared, count its after 30 days respectively right Later blue or green preventive effect：

Table 2：Herbicidal composition prepared by embodiment 1-9 is to later blue or green preventive effect

Embodiment	1	2	3
				Preventive effect	97.3%	93.5%	95.1%

The herbicidal composition that it can be seen from the field experiment data of table 2 prepared by the present invention is turned one's head blue or green with effective to rice terrace Preventive effect.

Claims (9)

1. a kind of special herbicidal composition of Muskmelon Planting, it is characterized in that：Including account for herbicidal composition gross weight 0.1%~ 25% active ingredient and the auxiliary agent for accounting for herbicidal composition gross weight 0%~70%, surplus is filler, the active ingredient Constitute as mesotrione and azimsulfuron, the weight ratio of the mesotrione and azimsulfuron is 1:10~80:1.

2. a kind of special herbicidal composition of Muskmelon Planting according to claim 1, it is characterized in that：The combinations of herbicides The formulation of thing is granule, and the active ingredient accounts for the 0.1%~4.5% of herbicidal composition gross weight, and auxiliary agent accounts for herbicide The 0%~20% of composition total weight.

3. a kind of special herbicidal composition of Muskmelon Planting according to claim 1, it is characterized in that：The combinations of herbicides The formulation of thing is granulae effervescentes, and the active ingredient accounts for the 0.5%~25% of herbicidal composition gross weight, and auxiliary agent accounts for herbicide The 50%~70% of composition total weight.

4. a kind of special herbicidal composition of Muskmelon Planting according to claim 2, it is characterized in that：The auxiliary agent includes Emulsifying agent 0.1%~0.6%, dispersant 0.01%~0.1%, stabilizer 0.1%~0.6% and decentralized medium 0.1%~ 20%；Wherein, the emulsifying agent is commercial goods emulsifying agent SP-OF3468, and dispersant is RF-8, and stabilizer is citric acid, point Dispersion media is methyl oleate, and filler is one kind in deposed brick slag, attapulgite.

5. a kind of special herbicidal composition of Muskmelon Planting according to claim 2, it is characterized in that：The auxiliary agent is ring Dextrin, sucrose, chitosan, sodium carboxymethylcellulose, xanthans, polyvinylpyrrolidone, polyethylene glycol, soluble starch, I One or more in uncle's natural gum, soybean protein, casein glue, gelatine, gelatin；The filler is magnesium sulfate, ammonium sulfate, di(2-ethylhexyl)phosphate One or more in hydrogen potassium, diatomite, kaolin, white bole, attapulgite, clay.

6. a kind of special herbicidal composition of Muskmelon Planting according to claim 3, it is characterized in that：The auxiliary agent includes Acid source 15%~35%, alkali source 15%~35%, coating agent 0.5%~15%, binding agent 0.5%~10%, drier 0.1% ~1%, lubricant 0%~1.5%, draw humectant 0%~1% and foaming agent 0%~2%, wherein, the weight of acid source and alkali source it With account for more than the 50% of herbicidal composition gross weight；The acid source be citric acid, boric acid, tartaric acid, fumaric acid, adipic acid, One or more in malic acid, alkali source be sodium carbonate, sodium acid carbonate, calcium bicarbonate, potassium carbonate, saleratus in one kind or Several, coating agent is polyethylene glycol (PEG-6000), polyethylene glycol (PEG-4000), polyethylene glycol (PEG-12000/20000) In one kind, binding agent is polyvinylpyrrolidone, lubricant be calcium stearate, magnesium stearate, odium stearate, zinc stearate, Magnesium laurylsulfate, sldium lauryl sulfate, lauryl sodium sulfate, sodium stearyl fumarate, enuatrol, L-Leu, 12 One or more in alkylsurfuric acid magnesium, sodium chloride, drier is superfine silica gel powder, and foaming agent is lauryl sodium sulfate, 12 One or both of alkylsurfuric acid magnesium, draws humectant for sodium chloride, filler be ammonium sulfate, lactose, sodium chloride, potassium dihydrogen phosphate, One or more in starch, clay, kaolin, diatomite, attapulgite, white bole, cyclodextrin, microcrystalline cellulose.

7. a kind of preparation method of the special herbicidal composition of Muskmelon Planting as claimed in claim 4：It is characterized in that：Using Comminution granulation is adsorbed, following steps are specifically included：(1) by mesotrione and azimsulfuron, emulsifying agent, dispersant, stabilizer, point Dispersion media shears 40min in cutting kettle after weighing in proportion, then continuous in the horizontal sand mill of series connection to be sanded to particle diameter 3 μm of D50 ＜, obtain dispersible oil-suspending agent；(2) it is during filler is stirred continuously, dispersible oil made from step (1) is outstanding Dispersible oil-suspending agent is all absorbed after being uniformly sprayed onto in the form of spraying on filler, produces this and remove by floating agent by filler Careless agent composition granule.

8. a kind of preparation method of the special herbicidal composition of Muskmelon Planting as claimed in claim 5：It is characterized in that：Using Extruder grain method, specifically includes following steps：(1) mesotrione, azimsulfuron, auxiliary agent, filler are mixed in proportion Afterwards, continue to stir the mixture, and in whipping process, the water of herbicidal composition gross weight 10% will be accounted in the form of spraying It is sprayed onto on the mixture, to during mixture just energy conglomeration, mixture is mediated；(2) by after the obtained kneading of step (1) Material, granulate in uniform feeding granulator, the cylindrical pellet that diameter is more than or equal to 6mm be made, it is then dry less than 50 DEG C It is dry to be less than 0.3% to moisture, produce the herbicidal composition granule.

9. a kind of preparation method of the special herbicidal composition of Muskmelon Planting as claimed in claim 6, it is characterized in that：Including Following steps：

(1) under 15 DEG C~25 DEG C thermostat temperatures, 20%~25% constant humidity damp condition, by binding agent：Absolute ethyl alcohol=1:2 Ratio will binding agent add absolute ethyl alcohol in, be stirred and heated to binding agent be completely dissolved it is transparent, be made binding agent ethanol it is molten Liquid；

(2) under 15 DEG C~25 DEG C thermostat temperatures, 20%~25% constant humidity damp condition, by coating agent：Absolute ethyl alcohol=1:2 Ratio will coating agent add absolute ethyl alcohol in, be stirred and heated to coating agent be completely dissolved it is transparent, be made coating agent ethanol it is molten Liquid；

(3) mesotrione is well mixed with acid source in proportion, obtains the acid material of mesotrione；

(4) azimsulfuron is well mixed with alkali source in proportion, obtains the alkaline material of azimsulfuron；

(5) half of the ethanol solution of coating agent made from step (2) is added to nitre sulphur grass made from step (3) while stirring In the acid material of ketone, to mixed material cold air drying rear in pelletized form, acid grain is made；

(6) while stirring by the ethanol solution of coating agent made from step (2) second half is added to tetrazolium made from step (4) In the alkaline material of Sulfometuron Methyl, to mixed material cold air drying rear in pelletized form, alkali grain is made；

(7) it is alkali grain made from sour grain made from step (5), step (6) is well mixed, then add lubricant, drier, draw Humectant, foaming agent, filler stir, and add the ethanol solution of binding agent made from step (1), feeding after stirring Grain machine granulation, is made cylindrical pellet of the particle diameter between 6mm~20mm, is dried below 50 DEG C to moisture and is less than 0.3%, i.e., Obtain the herbicidal composition granulae effervescentes.