CN109258643A - A kind of herbicidal formulations and its application method for paddy field management of weeds rice - Google Patents
A kind of herbicidal formulations and its application method for paddy field management of weeds rice Download PDFInfo
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- CN109258643A CN109258643A CN201811128116.8A CN201811128116A CN109258643A CN 109258643 A CN109258643 A CN 109258643A CN 201811128116 A CN201811128116 A CN 201811128116A CN 109258643 A CN109258643 A CN 109258643A
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- rice
- benzobicylon
- herbicidal formulations
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
- A01N41/10—Sulfones; Sulfoxides
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M21/00—Apparatus for the destruction of unwanted vegetation, e.g. weeds
- A01M21/04—Apparatus for destruction by steam, chemicals, burning, or electricity
- A01M21/043—Apparatus for destruction by steam, chemicals, burning, or electricity by chemicals
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- General Health & Medical Sciences (AREA)
- Plant Pathology (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Toxicology (AREA)
- Insects & Arthropods (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The present invention relates to a kind of herbicidal formulations and its application method for paddy field management of weeds rice, belong to plant protection technology field.Mainly utilize sensitivity differences of the herbicide in cultivated rice and Weedy Rice, selective kill Weedy Rice.The effective component of the herbicidal formulations is benzobicylon, also contains auxiliary element, and wherein benzobicylon weight percent is 0.1%~90%；Auxiliary element is one of active constituent, excipient or several, and the active constituent is the herbicide without benzobicylon.The present invention can effectively solve the problems, such as the harm of Weedy Rice in cultivated rice, and strong operability has significant economic benefit to rice and Environmental security.
Description
Technical field
The present invention relates to plant protection technology field more particularly to a kind of herbicidal formulations for paddy field management of weeds rice and its
Application method.
Background technique
Benzobicylon is the novel bicyclic octane class paddy field of Japanese history Di Shi bioscience Co., Ltd. (SDS) exploitation
Herbicide is p-hydroxyphenypyruvate dioxydenase (HPPD) inhibitor, by inhibition HPPD, influences the synthesis of plastoquinone,
Phytoene dehydrogenase (PDS) is acted on by plastoquinone again, to finally influence the biosynthesis of carotenoid, makes leaf
Piece albefaction.It is selective herbicide, is absorbed by the root and basal part of stem of weeds, then be transmitted to whole plant, is made after Miao Qian, seedling
With the annual and perennial weeds for preventing and kill off rice direct seeding field, transplant field.
For benzobicylon to Japonica rice rice safety, the rice variety to part containing indica type gene is sensitive.Bi Yaling etc.
(Bi Yaling, king Cao Yang, Gu Gang wait benzobicylon activity of weeding and safety research [J] Pesticide Science journal to rice,
2018,20 (1): 18-24) safety of the benzobicylon to 8 rice varieties is tested, result of study shows:
720ga.i./hm2Under dosage processing, the excellent China of benzobicylon grand to long-grained nonglutinous rice two accounts for and glutinous No. 1, Anhui rice are cultivated in 3 kinds of japonica rice variety Anhui
68, green non-irrigated No. 1 safety of round-grained rice, to emblem two excellent 882, C two excellent 608, the plant height of two excellent No. 14 rice varieties of Anhui rice 119 and Y and fresh
Inhibited again by different degrees of.
Weedy Rice (0ryza sativa) also known as red rice rice (red rice), belong to oryza plant, be distributed widely in temperate zone,
Torrid areas, such as South Asia, Southeast Asia, America and Latin America are regional.Weedy Rice has the typical morphological feature of Indica Rice,
Such as: seedling stage is leaf elongated, and leaf color is thin, and jointing rear blade is elongated to hang down loosely, spike length, and sagging, the long grain shape of seed, row are bent after grouting
It arranges sparse.Meanwhile Weedy Rice has some characteristics of weeds again, if Weedy Rice tiller number is more, tiller angle is larger；Stalk structure
It is soft, easily lodge；Seed is precocious, and seed holding is strong after maturation, and Weedy Rice is caused to be present in the production that cultivated rice Tanaka will affect rice
The quality of amount and rice.
In recent years, as China In Middle And Lower Reaches of Changjiang River direct-sowing dry, water direct seeding and late inbred rice area expand, Weedy Rice is one
A little areas occur seriously, and diffusion rapidly, becomes and seriously affects one of yield and the principal element of rice matter in rice light cultivation.Such as
Yangzhong City of Jiangsu Province dry direct-seeding rice area 3.3 × 10 in 20053hm2, Weedy Rice causes harm heavier field just up to 3.3 × 102hm2,
Most heavy field Weedy Rice proportion reaches 90%.In the U.S., Weedy Rice has become the third for being only second to barnyard grass and semen euphorbiae
Big weeds, full season interference make Severe Reduction of Rice.
The similarity degree of Weedy Rice and rice-cultivating is high, and the selectivity of herbicide therebetween is very low.Currently, only imidazoline
Type herbicides have certain selectivity between specific rice varieties (such as golden round-grained rice 818) and Weedy Rice.In addition to this,
There is no any herbicide that can prevent and kill off to effective as selective the Weedy Rice in rice field.For Weedy Rice, crop rotation, transplanting are generally taken
Equal agricultural measures；Or create cultivated rice and Weedy Rice growth space-time it is poor, individually handle (see Chinese patent CN 101233841B, directly
It broadcasts, Weedy Rice and the method for control of weeds in interplanting paddy field)；Or the harm by the methods of manually pulling out control Weedy Rice.But
No matter which kind of existing technology is all unable to satisfy the demand of modern agriculture fast development, has that limitation is big, time-consuming, low efficiency
The problems such as.
Summary of the invention
The present invention is serious for the harm of paddy field weed rice, prevents and kill off the problems such as big difficulty, low efficiency, at high cost, discloses one
Kind is used for the herbicidal formulations and its application method of paddy field management of weeds rice, and the method for control through the invention can be controlled effectively
The harm of Weedy Rice in cultivated rice processed is conducive to the production management of rice, reduces production cost, realizes increasing both production and income, increases agriculture
The income of the people.
Above-mentioned purpose that the invention is realized by the following technical scheme:
A kind of herbicidal formulations for paddy field management of weeds rice, it is described bicyclic containing benzobicylon and auxiliary element
The weight percent of sulphur humulone is 0.1%~90%, remaining is auxiliary element；The auxiliary element is active constituent, excipient
One of or it is several.
The technical principle of the herbicidal formulations mainly utilizes sensibility of the benzobicylon in cultivated rice and Weedy Rice
Difference, selective kill Weedy Rice.Cultivated rice refers to Asian Cultivated Rice (Oryza sativa L.) Via-back puncture
(O.s.subsp.japonica) and two excellent China of rice variety account for series of products.
As an improvement of the above technical solution, the weight percent of the benzobicylon is 1%~60%.
As an improvement of the above technical solution, the excipient is emulsifier, wetting agent, dispersing agent, thickener, anti-corrosion
One of agent, antifreezing agent, defoaming agent, effervescent agent, disintegrating agent, filler are several.
As an improvement of the above technical solution, the active constituent is the herbicide without benzobicylon.
A kind of application method of the herbicidal formulations for paddy field management of weeds rice, Control stage is after cultivated rice is broadcast to pulling out
The section phase, preferably in the 4 leaf phases to 6 leaf phases.Benzobicylon dosage is 75g a.i./hm2~700g a.i./hm2；Preferred dosage
For 187.5g a.i./hm2~562.5g a.i./hm2；Preferred dosage is 375g a.i./hm2~562.5g a.i./
hm2.It is administered preceding field and establishes 3~5cm water layer, be retained 5 days or more after application；Water conservation was at 7~10 days or more after preferred medicine.It applies
Prescription method can take it is thin spraying, thick it is spraying, stoste spreads drop or spice is spread fertilizer over the fields, the spice is one of to mix fertilizer, mix soil, mix sand
Or it is several.
As an improvement of the above technical solution, the herbicidal formulations are used to prevent and kill off the Weedy Rice of sprouting stage to jointing stage.Such as use
In paddy field management of weeds rice.The Weedy Rice has characteristics that typical Indica Rice morphological feature, as seedling stage is leaf thin
Long, leaf color is thin, and jointing rear blade is elongated to hang down loosely, spike length, and sagging, long grain shape is bent after grouting, and seed arrangement is sparse；It is mature
Early, seed holding is good, grain of rice kermesinus after peeling.
Since benzobicylon is to japonica rice safety, the rice variety to part containing indica type gene is sensitive.Weedy Rice has
Indica type gene, the indica type gene pairs benzobicylon for testing discovery Weedy Rice repeatedly by inventor have the sensibility of height.
So benzobicylon can be using the sensitivity characteristics of Weedy Rice to the management of weeds rice of selectivity
As an improvement of the above technical solution, the herbicidal formulations can be processed into wettable powder, oil-suspending agent, suspension
One of agent, water dispersible granules, granule, effervescent tablet dosage form.
Beneficial effects of the present invention:
The present invention is indica type gene, the creative spy that benzobicylon is high to indica type gene sensibility by Weedy Rice
Property be applied in the preventing and kill off of Weedy Rice, achieve unexpected prevent and kill off as a result, lacking effective solution at present to solve
The problem of Weedy Rice, the amount of labour substantially reduces, weeding cost significantly reduces, and improves economic benefit.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
Test objective: by greenhouse pot culture active determination test with definitely benzobicylon to the sensitivity of Weedy Rice
Property, to better illustrate herbicide of the present invention to the preventive effect of Weedy Rice.
Test target: Weedy Rice, be collected on September 25th, 2017 Shucheng County Hang Bu (ZCD-HB), Feixi San He (ZCD-SH),
The ground such as Lujiang Bai Hu (ZCD-BH), are stored in nylon wire after adopting, room ventilation condition naturally dry；4 parts of japonica rice variety, kind
Glutinous No. 2 (WKN-2), Taihu Lake glutinous (THN) is cultivated for Jiahua-1 (JH-1), Anhui, the excellent China of C two accounts for (C-HZ).
Test medicine: 98% benzobicylon TC
Test medicine and preparation: weighing a certain amount of raw medicine, selects suitable organic solvent dissolution to be made into mother liquor, by setting
Dosage is diluted to test dose with the distilled water containing 0.1% Tween-80 and is handled.
Test material culture: testing and use the native test special soil collected for non-medication plot, selection bore 8cm, deep 7cm flowerpot,
Soil is filled to 3/4 height, adds water after soil is completely wet, the weeds rice after vernalization is showed money or valuables one carries unintentionally is sowed in basin alms bowl, greenhouse
Culture, regular moisturizing with keep 100% soil moisture.It is stand-by for trying to one heart stage of one leaf of Weedy Rice, every basin guarantee has 10~
15 plants of Weedy Rice strains.
Test method: greenhouse pot culture method is used, according to 450g a.i./hm2Dosage carries out pesticide-clay mixture processing.Every processing is set 4 times
It repeats, separately sets blank control.Processing is cultivated in postposition greenhouse, and regular moisturizing keeps soil moisture.
Investigation method: 3 days after processing, 5 days, 7 days observation plant reaction symptoms, the sensibility for trying target, measurement are evaluated
21d aerial part Weedy Rice fresh weight inhibition rate.
Fresh weight inhibition rate (%)=(control fresh weight~processing fresh weight)/control fresh weight × 100%.
Table 1:450g a.i./hm2Aerial part fresh weight inhibition rate and safety after dosage 21 days
| For trying target | Growth conditions | Fresh weight inhibition rate | Sensibility |
| ZCD-HB | It is withered | 100% | It is highly sensitive |
| ZCD-SH | It is withered | 100% | It is highly sensitive |
| ZCD-BH | It is withered | 100% | It is highly sensitive |
| JH-1 | Normally | 1.25% | It is insensitive |
| WKN-2 | Normally | 2.8% | It is insensitive |
| THN | Normally | 3.47% | It is insensitive |
| C-HZ | Normally | 3.2% | It is insensitive |
Seen from table 1,450g a.i./hm2Dosage, 21 days after, the Weedy Rice for picking up from 3 points respectively is all withered dead
It dies, fresh weight inhibition rate is 100%, becomes highly sensitive to benzobicylon；3 japonica rice and 1 rice variety for examination are raw
Long normal, aerial part fresh weight is only slight to be inhibited, and be can be neglected, is shown as extremely insensitive.
3, for trying Weedy Rice, occur poisoning symptom on the 3rd day, but show unobvious after treatment；Occur within 4th day typical
Alphosis.Poisoning Weedy Rice, lobus cardiacus albefaction first gradually extend to all blades and stalk by young leaves；Since the 9th day,
Ground blade gradually dries up, and overground part is all withered after the 18th day.
Embodiment 2
Effective component uses 98% benzobicylon TC in the present embodiment, and each component percentage composition is weight percentage meter
It calculates, benzobicylon TC is calculated by weight after folding hundred.
Preparation A:25% benzobicylon suspending agent
By weight percentage: by 25 parts of benzobicylon, 12 parts of emulsifier alkyl phenol polyoxyethylene ether phosphate, thickener
0.08 part of xanthan gum, 0.5 part of Preservative Kathon CG(Methylchloroisothiazolinone/Methylisothiazolinone combination), 3 parts of wetting dispersing agent PULLRONIC F68 block polymer, antifreezing agent
5 parts of propylene glycol, 0.05 part of defoaming agent organosilicon, 5 parts of filler white carbon black add water to complement to 100 parts, and mechanical stirring is uniformly mixed,
Wet process is sanded, and obtains 25% benzobicylon suspending agent.
Embodiment 3
Effective component uses 98% benzobicylon TC in the present embodiment, and each component percentage composition is weight percentage meter
It calculates, benzobicylon TC is calculated by weight after folding hundred.
Preparation B:12% benzobicylon effervescent tablet
By weight percentage: 12 parts of benzobicylon, wetting agent pull open 1.5 parts, 6 parts of dispersing agent lignosulfonates, point
2 parts of powder aralkyl benzene sulfonate, 5 parts of filler white carbon black, 16 parts of effervescent agent sodium bicarbonate, 14 parts of effervescent agent citric acid, filler
Light calcium is mended to 100 parts.The above component is subjected to air-flow crushing after mixing, tabletting is then carried out and obtains 12% benzobicylon
Effervescent tablet.
Embodiment 4
Effective component uses 98% benzobicylon TC in the present embodiment, and each component percentage composition is weight percentage meter
It calculates, benzobicylon TC is calculated by weight after folding hundred.
Formulation C: 45% benzobicylon water dispersible granules
By weight percentage: 45 parts of benzobicylon, 3 parts of filler white carbon black, 2 parts of wetting agent lignosulfonates, dispersion
7 parts of agent polycarboxylate, 5 parts of disintegrating agent glucose, filler kaolin supply in 100 investment mixing kettles air-flow crushing after mixing
Pulvis is obtained, then plus water is mediated and is granulated and dries to obtain 45% benzobicylon water dispersible granules.
Embodiment 5
Test name: benzobicylon prevents and kill off paddy field weed rice pharmacodynamic test
Reagent agent: 25% benzobicylon suspending agent, 12% benzobicylon effervescent tablet, 45% benzobicylon water
Dispersible granule.
It is tested in June, 2017, is carried out in the Shucheng County, Anhui Province town the Hang Bu village Liu Xu once master worker rice field, rice product
Kind: Jiahua-1, late inbred rice, sowing on June 12.3 processing are arranged in test altogether, and test process 1:25% benzobicylon suspends
Agent 450g a.i./hm2；Test process 2:12% benzobicylon effervescent tablet 420g a.i./hm2；Test process 3:45% is bis-
Ring sulphur humulone water dispersible granules 480g a.i./hm2.Each test process sets 4 repetitions, experimental plot area 33m2, random area
Group arrangement.It is arranged with field and compares, respectively experimental control 1: manually pulls out；Experimental control 2: before ground making of paddyfield, upper one time is permeable,
It induces Weedy Rice to sprout, glyphosate, which goes out, gives birth to processing；Experimental control 3: space management.
Test method:
1. 2 processing method of experimental control: rice first crop crop is wheat, is harvested May 20, will test pair 5 days after harvest
According to 2 treatment region 132m2Permeable, an induction weeds rice sprouting on area.7 days after upper water, 40% glyphosate WG is according to every
Mu 300g dosage is gone out raw processing, after 5 days, unified whole field sowing by spraying.
2. normal management after rice growing, to or so 4 leaf phase of rice, water on field establishes 3~5cm water layer.
3. weighing reagent agent according to dosage, after secondary dilution, it is watered thick spray, is kept the skin wet in due course after medicine, water conservation 7
More than it.
4. after medicine in 15 days, taking the Weedy Rice for manually pulling out 1st area of experimental control in two times.
5. 21 days Weedy Rice strain preventive effects after experimental investigation processing.
Weedy Rice strain preventive effect (%)=(control Weedy Rice strain number-processing Weedy Rice strain number)/control Weedy Rice strain number ×
100%.
Table 2: different disposal Weedy Rice strain preventive effect and rice yield
90% or more is above to the strain preventive effect of Weedy Rice from 2: 3 test process of table, reaches as high as 96.3%, tool
There is good control efficiency；And experimental control -2 only has 37.5% strain preventive effect, this method can only reduce miscellaneous to a certain extent
The generation radix of careless rice, the effect of preventing and kill off are limited；It before investigation, uses and pulls out plant preventive effect manually twice as 85.6%, but this method needs
Consuming is a large amount of artificial, and feasibility is lacked in production.From yield, 3 test process have excellent performance, show as tiller
Several and mu number of productive ear is more, grain is fuller, compared with blank control, increases production 34.12%, 25.55%, 27.82% respectively,
Synergistic effect is significant.Under test dose, rice safety, seedling stage does not have any phytotoxicity to show.
It was verified that the herbicidal formulations and application method of the present invention for paddy field management of weeds rice, it can be effective
The harm of paddy field weed rice is controlled, there is significant effect of increasing production.This method is easy to operate, and in 4 leaf of rice or so, field is first
Water layer is established, various ways (be watered thick spraying, stoste spread drop, mix soil/fertilizer/sand etc. spread fertilizer over the fields) can flexibly be taken to be sent to medical fluid
In water body, being retained 5 days or more after medicine can be realized ideal preventive effect；Can be applied alone, or with other herbicide mixtures.This
Invention be current paddy field solve Weedy Rice it is most economical, safely, effectively, simple method.The present invention is miscellaneous for solving paddy field
Careless rice harm has extremely important value, and facilitating Rice Cropping, person liberates the productive forces, and obtains higher yield and benefit.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of herbicidal formulations for paddy field management of weeds rice, it is characterised in that: containing benzobicylon and auxiliary element,
The weight percent of the benzobicylon is 0.1%~90%, remaining is auxiliary element；The auxiliary element be activity at
Point, one of excipient or several.
2. a kind of herbicidal formulations for paddy field management of weeds rice according to claim 1, it is characterised in that: described double
The weight percent of ring sulphur humulone is 1%~60%.
3. a kind of herbicidal formulations for paddy field management of weeds rice according to claim 1, it is characterised in that: the tax
Shape agent is emulsifier, in wetting agent, dispersing agent, thickener, preservative, antifreezing agent, defoaming agent, effervescent agent, disintegrating agent, filler
It is one or several kinds of.
4. a kind of herbicidal formulations for paddy field management of weeds rice according to claim 1, it is characterised in that: the work
Property ingredient be the herbicide without benzobicylon.
5. a kind of user of herbicidal formulations for paddy field management of weeds rice according to any one of claims 1 to 4
Method, it is characterised in that: for Control stage to the jointing stage after cultivated rice is broadcast, benzobicylon dosage is 75g a.i./hm2~700g
a.i./hm2；It is administered preceding field and establishes 3~5cm water layer, be retained 5 days or more after application；Application method can take thin spraying, thick spray
Mist, stoste spread drop or spice is spread fertilizer over the fields, and the spice is to mix fertilizer, mix soil, one of mix sand or several.
6. a kind of application method of herbicidal formulations for paddy field management of weeds rice according to claim 5, feature
Be: the herbicidal formulations are used to prevent and kill off the Weedy Rice of sprouting stage to jointing stage.
7. a kind of application method of herbicidal formulations for paddy field management of weeds rice according to claim 5, feature
Be: the herbicidal formulations can be processed into wettable powder, oil-suspending agent, suspending agent, water dispersible granules, granule, effervescent tablet
One of agent dosage form.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104756998A (en) * | 2015-04-20 | 2015-07-08 | 济南科赛基农化工有限公司 | Metamifop.benzobicylon compound preparation and application thereof |
-
2018
- 2018-09-27 CN CN201811128116.8A patent/CN109258643A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104756998A (en) * | 2015-04-20 | 2015-07-08 | 济南科赛基农化工有限公司 | Metamifop.benzobicylon compound preparation and application thereof |
Non-Patent Citations (3)
| Title |
|---|
| MASON L. YOUNG等: "Benzobicyclon as a Post-Flood Option for Weedy Rice Control", 《WEED TECHNOLOGY》 * |
| 沈国辉等: "《中国稻田杂草识别与防治》", 30 June 2018 * |
| 齐萌等: "25%双环磺草酮悬浮剂防除水稻移栽田杂草的效果与安全性", 《杂草科学》 * |
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Application publication date: 20190125 |