CN102919257A - Weeding water dispersible granule - Google Patents
Weeding water dispersible granule Download PDFInfo
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- CN102919257A CN102919257A CN2012104548302A CN201210454830A CN102919257A CN 102919257 A CN102919257 A CN 102919257A CN 2012104548302 A CN2012104548302 A CN 2012104548302A CN 201210454830 A CN201210454830 A CN 201210454830A CN 102919257 A CN102919257 A CN 102919257A
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- water dispersible
- weeds
- isoproturon
- dispersible granule
- cyhalofop
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Abstract
The invention relates to the pesticide filed, in particular to a weeding water dispersible granule. The weeding water dispersible granule is composed of isoproturon 30-50 percents, cyhalofop butyl 5-10 percents, a dispersing agent 4-10 percents, a wetting agent 1-3 percents, a disintegrating agent 3-5 percents, and an adhesive 2-3 percents, and carrier complements the remains. The weeding water dispersible granule is significant in effect. Compared with single doses of the isoproturon and the cyhalofop butyl, the weeding water dispersible granule is environmental friendly, not easy to ignite and safe in the transportation process, low in dosage, and low in cost. The control effect, fresh weight control effect and comprehensive fresh weight control effect for monocotyledon and dicotyledonous weeds in a field are improved, and the weeding water dispersible granule is safe for crops in the filed. Pesticide is delivered once so as to remove the weeds in a whole growth period of the crops and be safe for next-stubble crops. The weeding water dispersible granule is an existing ideal herbicide which is used in processing of stem leaves of rice.
Description
Technical field
[0001] the present invention relates to pesticide field, particularly a kind of weeding water dispersible granules.
Background technology
Isoproturon
,Chemical name is the 3-(4-isopropyl phenyl)-1,1-dimethyl urea, molecular formula C
12H
18N
2O, molecular weight are 206.29, belong to substituted urea class selectivity bud before, post-emergence herbicide.Mainly by the weeds root absorption, cauline leaf absorbs few, in conduit, upwards be transmitted to leaf with moisture, be distributed in blade tip and leaf margin more, play a role in green cell, it is the inhibitor that the photosynthesis electronics transmits, disturb and photosyntheticly normally carry out, can not emit oxygen and carbon dioxide under illumination, organic matter generates and stops, and susceptible weeds is hungry and dead.Can be used for mainly preventing and treating that lady's-grass, little lamb's-quarters, amur foxtail, annual bluegrass, Lolium, lady's thumb, blue violet, field mustard Lay, Tian Ju, Pu hold, corn spurrey, chickweed and Atriplex, milletgrass genus, Amaranthus, windgrass, bachelor's-button etc.Be applicable to the crops such as paddy rice, barley, cotton, peanut, corn, paddy rice, potato, soybean, pea, broad bean.
Cyhalofop-butyl, chemical name: (R)-2-[4 (4-cyano group-2-fluorophenoxy) phenoxy group]-butyl propionate, molecular formula is C
20H
20FNO
4Molecular weight is 357.4, and cyhalofop-butyl is only in the fragrant phenoxy phenoxy propionic acid weed killer herbicide paddy rice to be had the kind of tight security, and is the same with such other kinds, also is interior suction conductivity weed killer herbicide.Blade and leaf sheath by plant corpus absorb, and the phloem conduction accumulates the meristem zone in plant corpus, resist acetyl-CoA carboxylase (ACCase), fatty acid is synthesized stop, the growth division of cell can not normally be carried out, film system etc. contains the fat structural deterioration, causes at last plant dead.It is slower to be absorbed into the weeds Mortality Ratio from cyhalofop-butyl, generally needs 1-3 week.The symptom of weeds after dispenser is as follows: the tender shoots atrophy of four leaf phases causes death.The Lao Ye of two leaf stage changes minimum, keeps green.
Isoproturon uses as main as herbicide for paddy field take wetting powder, cyhalofop-butyl missible oil single dose at present.Increased peasant's dispenser cost.
Summary of the invention
In view of this, the invention provides a kind of weeding water dispersible granules.The former medicine of isoproturon, cyhalofop-butyl active compound, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100 in this weeding water dispersible granules.
Compare with single dose, the preventive effect of weeds in field, fresh weight preventive effect, comprehensive fresh weight preventive effect are improved, to field crops safety.
In order to realize the foregoing invention purpose, the invention provides following technical scheme:
A kind of weeding water dispersible granules, the former medicine of isoproturon, cyhalofop-butyl active compound, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100.
A kind of weeding water dispersible granules provided by the invention is characterized in that, comprises cyhalofop-butyl.
A kind of weeding water dispersible granules provided by the invention, the described dispersant that comprises.
As preferably, a kind of weeding water dispersible granules provided by the invention also comprises wetting agent.
As preferably, a kind of weeding water dispersible granules provided by the invention also comprises disintegrant.
Preferably, a kind of weeding water dispersible granules provided by the invention also comprises adhesive.
The invention provides a kind of water dispersible granules, the former medicine of isoproturon, cyhalofop-butyl active compound, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100.
Result of the test shows, behind the dispenser 15d, contain respectively 35%, 40%, 45%, 50%, 55%, 60% isoproturon cyhalofop-butyl water-dispersible granule to the preventive effect of monocotyledon weed, broadleaf weed all more than 90%, compare with single dose, all improve preventive effect, expansion herbicide spectrum to weeds, had utmost point significant difference (P＜0.01);
Behind the dispenser 30d, contain respectively 35%, 40%, 45%, 50%, 55%, 60% isoproturon cyhalofop-butyl water-dispersible granule the preventive effect of monocotyledon weed, broadleaf weed is 100%, compare with single dose, all improved the preventive effects of weeds and lasting period, fresh weight preventive effect, comprehensive fresh weight preventive effect, had utmost point significant difference (P＜0.01);
Comprehensive above-mentioned result of the test, isoproturon cyhalofop-butyl water-dispersible granule provided by the invention, compare with isoproturon wetting powder, cyhalofop-butyl oil-suspending agent single dose, preventive effect, fresh weight preventive effect, comprehensive fresh weight preventive effect to the single, double cotyledon weeds of paddy field have all been improved, to field crops safety.
Embodiment
The invention discloses a kind of weeding water dispersible granules, those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize.Special needs to be pointed out is that all similarly replace and change apparent to those skilled in the art, they all are deemed to be included in the present invention.Method of the present invention and application are described by preferred embodiment, the related personnel obviously can change or suitably change and combination methods and applications as herein described within not breaking away from content of the present invention, spirit and scope, realizes and use the technology of the present invention.
A kind of weeding water dispersible granules, the former medicine of isoproturon, cyhalofop-butyl active compound, dispersant 4～10, wetting agent 1～3, disintegrant 3～5, adhesive 2～3 carriers supply 100.
Below in conjunction with embodiment, further set forth the present invention:
Embodiment 1 preparation weeding water dispersible granules provided by the invention
Take by weighing isoproturon 30kg, cyhalofop-butyl 5kg, D-425 6kg, EFW2kg, ammonium sulfate 5kg, polyethylene glycol 2kg and kaolin 50kg, through fully mixing, air-flow crushing, mixing, granulation, drying and screening, get dispersible granule
Embodiment 2 preparations weeding water dispersible granules provided by the invention
Take by weighing isoproturon 35kg, cyhalofop-butyl 5kg, sodium lignin sulfonate 7kg, DBS-na1.5kg, sodium carbonate 3kg, starch 2kg and precipitated calcium carbonate 46.5kg, through fully mixing, air-flow crushing, mixing, granulation, drying and screening, get dispersible granule
Embodiment 3 preparations weeding water dispersible granules provided by the invention
Take by weighing isoproturon 40kg, cyhalofop-butyl 5kg, sodium lignin sulfonate 4kg, DBS-na1kg, sodium carbonate 3kg, starch 2kg and precipitated calcium carbonate 45kg, through fully mixing, air-flow crushing, mixing, granulation, drying and screening, get dispersible granule
Embodiment 4 preparations weeding water dispersible granules provided by the invention
Take by weighing isoproturon 45kg, cyhalofop-butyl 5kg, sodium lignin sulfonate 4kg, DBS-na1kg, sodium carbonate 3kg, starch 2kg and precipitated calcium carbonate 40kg, through fully mixing, air-flow crushing, mixing, granulation, drying and screening, get dispersible granule
Embodiment 5 preparations weeding water dispersible granules provided by the invention
Take by weighing isoproturon 50kg, cyhalofop-butyl 5kg, sodium lignin sulfonate 4kg, DBS-na1kg, sodium carbonate 3kg, starch 2kg and precipitated calcium carbonate 35kg, through fully mixing, air-flow crushing, mixing, granulation, drying and screening, get dispersible granule
Embodiment 6 preparations weeding water dispersible granules provided by the invention
Take by weighing isoproturon 50kg, cyhalofop-butyl 10kg, sodium lignin sulfonate 4kg, DBS-na1kg, sodium carbonate 3kg, starch 2kg and precipitated calcium carbonate 30kg, through fully mixing, air-flow crushing, mixing, granulation, drying and screening, get dispersible granule
Embodiment 7 preparations weeding water dispersible granules provided by the invention
Take by weighing isoproturon 45kg, cyhalofop-butyl 10kg, sodium lignin sulfonate 4kg, DBS-na1kg, sodium carbonate 3kg, starch 2kg and precipitated calcium carbonate 35kg, through fully mixing, air-flow crushing, mixing, granulation, drying and screening, get dispersible granule
Embodiment 8 preparations weeding water dispersible granules provided by the invention
Take by weighing isoproturon 40kg, cyhalofop-butyl 10kg, D-425 3kg, EFW2kg, ammonium sulfate 1.5kg, polyethylene glycol 2kg and kaolin 41.5kg, through fully mixing, air-flow crushing, mixing, granulation, drying and screening, get dispersible granule
Embodiment 1 isoproturon cyhalofop-butyl water-dispersible granule provided by the invention is prevented and kill off the field trial of cutting weeds
The dispenser place: Shushan District Nangang, Hefei City, Anhui Province town Yang Hewancun, front stubble is Rapeseed Field.Fertility uniformity experimental field, physical features is smooth.The soil clay, middle fertility, humidity is moderate.Transplanting rice (rich two excellent No. six), the main annual monocotyledon weed of paddy field have moleplant seed, barnyard grass, etc., the broadleaf weed master has mexicana, Monochoria vaginalis, false loosestrife, Procumbent Falsepimpernel, dayflower etc., is evenly distributed.
Spraying time: in the dispenser of transplanting rice period of seedling establishment, the concrete time is dispenser in afternoon on June 8 in 2012.
The dispenser condition: dispenser was fine the same day, 25 ℃～34 ℃ of temperature.
Dispenser dosage and mode: formulation rate 150g/667m
2, liquid adopts the dilution method preparation of two steps.Medical instruments adopt workers and peasants-16 knapsack sprayer, dress fan type shower nozzle, and artificial even spraying, water consumption is 40kg/667m
2
Experimental group: be divided into water dispersible granules experimental group, wetting powder experimental group, missible oil experimental group; Wherein, in the water dispersible granules experimental group according to 150g/667m
2Dosage spray the 35% isoproturon cyhalofop-butyl water-dispersible granule that contains that makes in the embodiment of the invention 1, the wetting powder experimental group is according to 50% isoproturon 200g/667m
2, 10% cyhalofop-butyl missible oil 70ml/667m
2Dosage spray (commercially available).
Blank group: spray clear water according to equal consumption.
Test method: each experimental group and blank group all repeat 4 times, and each experimental group and blank group take respectively residential quarter, experimental field area 35m
2, the residential quarter randomized arrangement.Before the dispenser, in the residential quarter of each experimental group and blank group, get at random 4 points; Investigate respectively weeds kind, leaf age and radix.Behind dispenser 15d, the 30d, record respectively each experimental group and blank group residential quarter survival number (strain/m
2), calculate weeds preventive effects (%); Behind the dispenser 30d, extract weeds and take by weighing fresh weight (g/m
2), calculate fresh weight preventive effect (%).
Weeds strain number * 100 before preventive effect (%)=(weeds strain number behind weeds strain number before the treatment region medicine-treatment region medicine)/treatment region medicine.
Fresh weight preventive effect (%)=(check plot weeds fresh weight-treatment region weeds fresh weight)/check plot weeds fresh weight * 100.
The herbicidal effect of each experimental group sees Table 1.
Each formulation herbicidal effect of table 1 isoproturon cyhalofop-butyl
As shown in Table 1, behind the dispenser 15d, the embodiment of the invention 1 makes contain 35% isoproturon cyhalofop-butyl water-dispersible granule agent to the preventive effects of single, double cotyledon weeds all more than 90%, contain 50% isoproturon wetting powder to the preventive effects of single, double cotyledon weeds about 85%, 10% cyhalofop-butyl missible oil is about 80% to the preventive effect of monocotyledon weed, invalid to broadleaf weed, compare with each single dose, not only improved the preventive effect to weeds, simultaneously also enlarge the herbicide spectrum, had utmost point significant difference (P＜0.01).
Behind the dispenser 30d, the embodiment of the invention 1 makes contain 35% isoproturon cyhalofop-butyl water-dispersible granule agent to the preventive effects of single, double cotyledon weeds all more than 95%, contain 50% isoproturon wetting powder to the preventive effects of single, double cotyledon weeds about 90%, 10% cyhalofop-butyl missible oil is about 90% to the preventive effect of monocotyledon weed, invalid to broadleaf weed, compare with each single dose, not only improved the preventive effect to weeds, simultaneously also enlarge the herbicide spectrum, had utmost point significant difference (P＜0.01).
Dispenser 30d extracts weighing fresh weight behind the weeds, the embodiment of the invention 1 makes, and to contain 35% isoproturon cyhalofop-butyl water-dispersible granule agent be 100% to the fresh weight preventive effects of single, double cotyledon weeds, contain 50% isoproturon wetting powder to the fresh weight preventive effects of single, double cotyledon weeds more than 90%, 10% cyhalofop-butyl missible oil to the fresh weight preventive effect of monocotyledon weed more than 90%, compare with each single dose, not only improved the fresh weight preventive effect to weeds, simultaneously also enlarge the herbicide spectrum, had utmost point significant difference (P＜0.01).
Behind the dispenser 15d, the embodiment of the invention 5 makes contain 55% isoproturon cyhalofop-butyl water-dispersible granule agent to the preventive effects of single, double cotyledon weeds all more than 95%, contain 50% isoproturon wetting powder to the preventive effects of single, double cotyledon weeds about 85%, 10% cyhalofop-butyl missible oil to the preventive effect of monocotyledon weed is about 80%, invalid to broadleaf weed, compare with each single dose, not only improved the preventive effect to weeds, simultaneously also enlarge the herbicide spectrum, had utmost point significant difference (P＜0.01).
Behind the dispenser 30d, the embodiment of the invention 5 makes contains 55% isoproturon cyhalofop-butyl water-dispersible granule the preventive effects of single, double cotyledon weeds is 100%, contain 50% isoproturon wetting powder to the preventive effects of single, double cotyledon weeds about 90%, 10% cyhalofop-butyl missible oil to the preventive effect of monocotyledon weed about 90%, invalid to broadleaf weed, compare with each single dose, not only improved the preventive effect to weeds, simultaneously also enlarge the herbicide spectrum, had utmost point significant difference (P＜0.01).
Dispenser 30d extracts weighing fresh weight behind the weeds, the embodiment of the invention 5 makes contains 55% isoproturon cyhalofop-butyl water-dispersible granule the fresh weight preventive effects of single, double cotyledon weeds is 100%, contain 50% isoproturon wetting powder to the fresh weight preventive effects of single, double cotyledon weeds more than 90%, 10% cyhalofop-butyl missible oil to the fresh weight preventive effect of monocotyledon weed more than 90%, compare with each single dose, not only improved the fresh weight preventive effect to weeds, simultaneously also enlarge the herbicide spectrum, had utmost point significant difference (P＜0.01).
Behind the dispenser 30d, each experimental group all has no adverse effects to paddy rice early growth and later stage heading, with the difference of blank group not significantly (P＞0.05), therefore, what the embodiment of the invention 5 made contains 55% isoproturon cyhalofop-butyl water-dispersible granule to rice safety.
Comprehensive above-mentioned result of the test shows that the isoproturon cyhalofop-butyl water-dispersible granule is compared with isoproturon wetting powder, cyhalofop-butyl missible oil, preventive effect, the fresh weight preventive effect of weeds in field is improved, to field crops safety.
The dispenser place: Shitai County town, Huaining County, Anhui Province, front stubble is wheat.Fertility uniformity experimental field, physical features is smooth.Soil stickiness, middle fertility, humidity is moderate.Direct seading rice (Taihu Lake is glutinous), the annual monocotyledon weed of paddy field mainly contains moleplant seed, barnyard grass etc., broadleaf weed, main mexicana, false loosestrife, Procumbent Falsepimpernel, dayflower etc. are evenly distributed.
Spraying time: in 3 ~ 4 leaf phases of direct seading rice, the concrete time is dispenser in afternoon on June 30 in 2011.
The dispenser condition: dispenser was fine the same day, 25 ℃～29 ℃ of temperature.
Dispenser dosage and mode: formulation rate 150g/667m
2, liquid adopts the dilution method preparation of two steps.Medical instruments adopt workers and peasants-16 knapsack sprayer, dress fan type shower nozzle, and artificial even spraying, water consumption is 40kg/667m
2
Experimental group: be divided into water dispersible granules experimental group, wetting powder experimental group; Wherein, in the water dispersible granules experimental group according to 150g/667m
2Dosage spray the 55% isoproturon cyhalofop-butyl water-dispersible granule that contains that makes in the embodiment of the invention 5, the wetting powder experimental group is according to 50% isoproturon 200g/667m
2, the missible oil experimental group is according to 10% cyhalofop-butyl, 100 ml/667m
2Dosage spray (commercially available).
Blank group: spray clear water according to equal consumption.
Test method: each experimental group and blank group all repeat 4 times, and each experimental group and blank group take respectively residential quarter, experimental field area 30m
2, the residential quarter randomized arrangement.Before the dispenser, in the residential quarter of each experimental group and blank group, get at random 4 points; Investigate respectively weeds kind, leaf age and radix.Behind dispenser 15d, the 30d, record respectively each experimental group and blank group residential quarter survival number (strain/m
2), calculate weeds preventive effects (%); Behind the dispenser 30d, extract weeds and take by weighing fresh weight (g/m
2), calculate fresh weight preventive effect (%).
Weeds strain number * 100 before preventive effect (%)=(weeds strain number behind weeds strain number before the treatment region medicine-treatment region medicine)/treatment region medicine.
Fresh weight preventive effect (%)=(check plot weeds fresh weight-treatment region weeds fresh weight)/check plot weeds fresh weight * 100.
The herbicidal effect of each experimental group sees Table 1.
Each formulation herbicidal effect of table 1 alkynes oxalic acid bensulfuron-methyl
Associative list 1,2 as can be known, behind the dispenser 15d, the embodiment of the invention 3 makes contain 65% isoproturon cyhalofop-butyl water-dispersible granule to the preventive effects of single, double cotyledon weeds more than 90%, compare with single dose, improved the preventive effect to weeds, enlarge the herbicide spectrum, had utmost point significant difference (P＜0.01); The embodiment of the invention 5 makes contain 55% isoproturon cyhalofop-butyl water-dispersible granule to the preventive effects of single, double cotyledon weeds more than 90%, compare with single dose, improved the preventive effect to weeds, enlarged the herbicide spectrum, have utmost point significant difference (P＜0.01); Behind the dispenser 30d, the isoproturon cyhalofop-butyl water-dispersible granule that the embodiment of the invention 1,3 makes, is compared with single dose more than 95% the preventive effects of single, double cotyledon weeds, has improved the preventive effect to weeds, enlarge the herbicide spectrum, had utmost point significant difference (P＜0.01).
Dispenser 30d extracts weighing fresh weight behind the weeds, the isoproturon cyhalofop-butyl water-dispersible granule that the embodiment of the invention 3,5 makes takes by weighing the fresh weight effect 100% to preventing and kill off of single, double cotyledon weeds, compare with single dose, improved the preventive effect to weeds, enlarge the herbicide spectrum, had utmost point significant difference (P＜0.01).
The isoproturon cyhalofop-butyl water-dispersible granule provided by the invention field trial of cutting weeds
Method according to embodiment 1, the isoproturon cyhalofop-butyl water-dispersible granule that detection embodiment 2,3 makes is compared with single dose, behind the dispenser 30d the preventive effect of weeds in field, all improve preventive effect, fresh weight preventive effect and comprehensive fresh weight preventive effect to weeds, had significant difference (P＜0.05).Each experimental group all has no adverse effects to paddy rice early growth and later stage heading, with the difference of blank group not significantly (P＞0.05), therefore, the isoproturon cyhalofop-butyl water-dispersible granule that makes of the embodiment of the invention 1,2,3,4,5,6,7,8 is to rice safety.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a weeding water dispersible granules is characterized in that, isoproturon 30～50, cyhalofop-butyl 5～10, dispersant 4～10, wetting agent 1 ~ 3, disintegrant 3 ~ 5, adhesive 2 ~ 3 carriers supply 100.
2. weeding water dispersible granules as claimed in claim 1 is characterized in that, isoproturon 30～50, cyhalofop-butyl 5～10, dispersant 4～10, wetting agent 1 ~ 3, disintegrant 3 ~ 5, adhesive 2 ~ 3 carriers supply 100.
3. weeding water dispersible granules as claimed in claim 1 is characterized in that, isoproturon 30～50, cyhalofop-butyl 5～10, dispersant 4～10, wetting agent 1 ~ 3, disintegrant 3 ~ 5, adhesive 2 ~ 3 carriers supply 100.
4. weeding water dispersible granules as claimed in claim 1 is characterized in that, comprises the cyhalofop-butyl cloquitocet_mexyl.
5. weeding water dispersible granules as claimed in claim 1 is characterized in that, comprises dispersant.
6. weeding water dispersible granules as claimed in claim 1 is characterized in that, also comprises wetting agent.
7. weeding water dispersible granules as claimed in claim 1 is characterized in that, also comprises disintegrant.
8. weeding water dispersible granules as claimed in claim 1 is characterized in that, also comprises adhesive.
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| CN105746548A (en) * | 2015-07-31 | 2016-07-13 | 南通惠然生物科技有限公司 | Rice herbicide |
| CN106857601A (en) * | 2017-03-01 | 2017-06-20 | 安徽丰乐农化有限责任公司 | Herbicidal combinations after a kind of wheat, the rice seedlings of Han metamifops |
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| CN105746548A (en) * | 2015-07-31 | 2016-07-13 | 南通惠然生物科技有限公司 | Rice herbicide |
| CN106857601A (en) * | 2017-03-01 | 2017-06-20 | 安徽丰乐农化有限责任公司 | Herbicidal combinations after a kind of wheat, the rice seedlings of Han metamifops |
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