CN110037022A - A kind of binary built agent that preventing and kill off rice planting technology field weed-piperazine pyrazosulfuron pretilachlor - Google Patents
A kind of binary built agent that preventing and kill off rice planting technology field weed-piperazine pyrazosulfuron pretilachlor Download PDFInfo
- Publication number
- CN110037022A CN110037022A CN201810052194.8A CN201810052194A CN110037022A CN 110037022 A CN110037022 A CN 110037022A CN 201810052194 A CN201810052194 A CN 201810052194A CN 110037022 A CN110037022 A CN 110037022A
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- China
- Prior art keywords
- rice
- pretilachlor
- binary built
- piperazine
- piperazine pyrazosulfuron
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Classifications
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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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
Abstract
The invention discloses a kind of binary built agent for preventing and kill off rice planting technology field weed --- piperazine pyrazosulfuron pretilachlor.The compounding agent can effectively be prevented being the rice planting technology field weed of sociales divided by rice barnyard grass, firefly Lin, while have to rice safety；The dosage that can be significantly reduced reduces field chemical control cost；The advantages that expanding herbicide degrass spectrum, reducing times for spraying, reduce labour cost.It is that one kind prevents and kill off the feasible binary built medicament of rice planting technology field weed at present.
Description
Technical field
The present invention relates to a kind of binary built agent for preventing and kill off rice planting technology field weed-piperazine pyrazosulfuron pretilachlors.
Background technique
Rice is that one of main cereal crops, one of the area of origin as world's cultivated rice, China are existing in the world
More than 7000 years Rice Cropping history.There are about 30 provinces, municipalities and autonomous regions rice cultivations in the whole nation, and it is more than one hundred million to plant peasant household's quantity.China
The planting type of rice is broadly divided into live streaming and seedling transplanting two major classes.Northeast rice region is as the highest high-quality round-grained rice of China's latitude
Rice rice main producing region mainly carries out Rice Cropping by the way of transplanting.Due to rice planting technology rice shoot is small and weak, plant injury is big,
The retardation of walking is sealed, alternation of wetting and drying water layer management after cultivation is conducive to the occurrence injury of a variety of weed populations.It is obtained through field fixed point investigation:
5d weeds start to sprout after transplanting is planted；There is the 1st germination peak in 10~15d after cultivation, barnyard grass predominantly gramineous, a thousand pieces of gold
Son etc.；There is the 2nd germination peak, predominantly sedge weed and broadleaf weeds in 25~35d after cultivation；Rice at whole growth periods it is total
Careless density is up to 64~368 plants/m2.The cold ground rice workspace weeds in paddy field in China more than totally 70, common are more than 30.Generally with standing grain
The mixed life of the monocotyledons such as undergraduate course, Cyperaceae and broadleaf weed, for example, barnyard grass, rice barnyard grass, semen euphorbiae, difformed galingale herb, Herba Cyperi Glomerati,
Cyperus iria, firefly Lin, Eclipta prostrata, water amaranth, false loosestrife, Monochoria vaginalis, angustifolia arrowhead herb etc..Wherein, the Weed infestations such as rice barnyard grass, firefly Lin are increasingly
It aggravates, is increasingly becoming the dominant population of northeast transplanting field weed group.
Piperazine pyrazosulfuron is sulfonylurea herbicide, under lower dosage, can effectively prevent the barnyard grass, annual in paddy field
Broadleaf weeds, perennial broadleaf weed and sedge weed.To the existing part weeds that other sulfonylureas are generated with resistance
Still there is good effect, for example generate firefly Lin, Monochoria korsakowii, Monochoria vaginalis, angustifolia arrowhead herb, the flat bar scirpus triqueter etc. of resistance, it can also be strong
Inhibit weeds rudiment and stem tuber.
Pretilachlor is chloroacetyl amine selectivity preemergence herbicide, and weeds absorb medicament by middle hypocotyl and plumule,
Inhibit cell division, interferencing protein synthesis also has indirect influence to the photosynthesis of weeds and respiration.Generally pass through soil
Earth processing or early stage cauline leaf process, for preventing and kill off the annual gramineous weeds such as paddy field barnyard grass and part small-sized seed broad-leaved
Weeds.
Summary of the invention
It is an object of the invention to prevent and kill off rice planting technology field weed by binary built agent.
Above-mentioned purpose that the invention is realized by the following technical scheme:
Re-compounded binary herbicide, main component are piperazine pyrazosulfuron and pretilachlor, are used to prevent that divided by rice barnyard grass, firefly Lin be excellent
The rice planting technology field weed of gesture kind.
Medicament application method: 3 days after rice transplanting, soil spraying treatment.
Compared with existing paddy field Common Herbicides, this re-compounded binary herbicide is had the advantage that
(1) preventive effect is significantly better than preventive effect when each active constituent is administered alone.
(2) dosage can be significantly reduced, reduce field chemical control cost.
(3) expand herbicide degrass spectrum, reduce times for spraying, reduce labour cost
Specific embodiment
(1) piperazine pyrazosulfuron pretilachlor binary built agent prescription matches screening test-laboratory test:
Laboratory test is tested in August, 2017 in October, 2017 in Agricultural University Of Nanjing's herbicide virulence and drug resistance
It is carried out in Room.
Reagent agent: 33% piperazine pyrazosulfuron WDG；30% pretilachlor EC
For trying weeds: rice barnyard grass (HSQJ, ED sensitive to penoxsuam50Value is 2.79g a.i./hm2)；Firefly Lin
(HJHN)
Laboratory test process
1. piperazine pyrazosulfuron pretilachlor binary built agent prescription matches the setting of screening test drug dose
1.1 each single dose settings are as follows:
Piperazine pyrazosulfuron (A): 0 (A0), 12.5 (A1), 25 (A2) 50 (A3), 100 (A4) g a.i./hm2；
Pretilachlor (B): 0 (B0), 75 (B1), 150 (B2), 300 (B3), 600 (B4) g a.i./hm2。
The proportion screening dosage setting of 1.2 binary built agent prescriptions is as shown in table 1:
Table is arranged in 1 binary built agent prescription of table proportion screening dosage
2. piperazine pyrazosulfuron pretilachlor binary built agent prescription matches screening test process
The organoclay that herbicide was not used, pH value 6.7, organic matter are packed into the plastic cup that specification is 7 × 7 × 7cm
Content is 1.59%, adds water to saturation.Rice barnyard grass, the firefly Lin seed of full seed are selected, each plastic cup sows 30, sows rice
The plastic cup of barnyard grass covers one layer of fine earth on seed, sows the plastic cup of firefly Lin not earthing, is placed in a greenhouse culture.After 3d, take
Spray-on process carries out soil treatment to the rice barnyard grass of sowing and firefly Lin, and control sprays equivalent clear water；Every processing is repeated 4 times.It is spraying to use
The 3WP-2000 type walking of Nanjing Agriculturing Mechanization Inst., Ministry of Agriculture's production is raw to survey spray tower, main axis speed 96mm/
R, spray height 300mm, spray head effective spraying swath 350mm, capacity of sprinkler 390mL/min, travel distance 1340mm, medicine liquid volume
20mL。
Laboratory experiment application after 30 days, acquire and weigh rice barnyard grass, firefly Lin overground part cauline leaf fresh weight, and calculate single dose and
Rice barnyard grass, the fresh weight inhibition rate (E) of firefly Lin, theoretical fresh weight inhibition rate (E between binary built different disposal1) and E-E1Value, finally makes
Re-compounded binary herbicide synergy type is evaluated with Gowing method.
Laboratory test results are as shown in the table:
Fresh weight inhibition rate (%) of the piperazine pyrazosulfuron pretilachlor compounding agent of 2 different ratio of table to rice barnyard grass
Fresh weight inhibition rate (%) of the piperazine pyrazosulfuron pretilachlor compounding agent of 3 different ratio of table to firefly Lin
The piperazine pyrazosulfuron pretilachlor compounding agent of 4 different ratio of table evaluates (Gowing to rice barnyard grass, firefly Lin synergy
Method)
As shown in Table 4, the piperazine pyrazosulfuron pretilachlor compounding agent of different ratio is more bright to rice barnyard grass, firefly Lin synergy
It is aobvious.Wherein, the dosage such as A3B1, A3B2, A4B1, A4B2, A4B3, A4B4 have synergistic effect for rice barnyard grass, right under these dosage
In rice barnyard grass, firefly Lin preventive effect 80% or more, show when piperazine pyrazosulfuron dosage in 50-100g a.i./hm2, pretilachlor agent
Amount is in 75-600g a.i./hm2It is preferable for preventing and kill off field rice barnyard grass, the compounding effect of firefly Lin in range.Comprehensively consider, when multiple
When the dosage of ingredients is A4B3, A4B4, not only have a synergistic effect to rice barnyard grass, at the same to the preventive effect of rice barnyard grass, firefly Lin 95% with
On, it is as the optimal dosage of binary built, this shows when piperazine pyrazosulfuron dosage is in 100g a.i./hm2, pretilachlor agent
Amount is in 300-600g a.i./hm2It is best for preventing and kill off field rice barnyard grass, firefly Lin compounding effect in range.
(2) safety testing-laboratory test of the piperazine pyrazosulfuron pretilachlor binary built agent to rice
Laboratory experiment is tested in July, 2017 in October, 2017 in Agricultural University Of Nanjing's herbicide virulence and drug resistance
It is carried out in Room.
Reagent agent: 33% piperazine pyrazosulfuron WDG；30% pretilachlor EC
For studying object: japonica rice (three rivers 6), long-grained nonglutinous rice (two excellent 669)
Laboratory experiment process
1. the safety testing drug dose of rice is arranged in the pretilachlor binary built agent of piperazine pyrazosulfuron
1.1 binary built agent are arranged the safety testing drug dose of rice as follows:
Piperazine pyrazosulfuron+diflufenican: 0+0,12.5+75,25+150,50+300,100+600g a.i./hm2
2. the pretilachlor binary built agent of piperazine pyrazosulfuron is to the safety testing process of rice
It is packed into the organoclay that herbicide was not used in plastic tub alms bowl, uniformly sows the full japonica rice of grain and long-grained nonglutinous rice respectively
Seed adds water to saturation, is placed in a greenhouse growth (temperature: 30 DEG C of daytime, 25 DEG C of evening).It is 22 × 15 × 10cm's in specification
In plastic bowl, it is packed into the organoclay that herbicide was not used, pH value 6.7, the content of organic matter 1.59% adds water to saturation.August
Rice transplanting on the 8th, by the japonica rice of 3-4 leaf phase, long-grained nonglutinous rice shoot transplanting equipment into plastic bowl.Japonica rice, long-grained nonglutinous rice each 10 are transplanted in each plastic bowl
Strain, transplanting depth uniformity, living of shallow water, keeps water layer 1-2cm after rice transplanting.After 3d, take spray-on process to the rice of sowing
It is administered, control sprays equivalent clear water；Every processing is repeated 4 times.It is raw using Nanjing Agriculturing Mechanization Inst., Ministry of Agriculture by spraying
The 3WP-2000 type walking of production is raw to survey spray tower, main axis speed 96mm/r, spray height 300mm, the effective spraying swath of spray head
350mm, capacity of sprinkler 390mL/min, travel distance 1340mm, medicine liquid volume 20mL.The shallow water of 2cm or so is kept after application
Layer, is placed in a greenhouse growth.
Laboratory experiment application after 30 days, acquire and weigh the overground part cauline leaf fresh weight of rice, ask cauline leaf fresh weight inhibition rate with
And the significance of difference between each processing.
5 piperazine pyrazosulfuron pretilachlor binary built agent of table is to stems and leaves of rice fresh weight inhibition rate and the significance of difference
Note: test data is handled using DPS software in table, and is carried out Duncan ' s duncan's new multiple range method and carried out significance analysis
(p=0.05).
As can be seen from Table 5, significance analysis is carried out by DPS software, with piperazine pyrazosulfuron and pretilachlor compounding agent
The increase of amount does not have apparent inhibiting effect to japonica rice, long-grained nonglutinous rice fresh weight, the mean fresh respectively handled and the mean fresh that compares it
Between be not present the significance of difference, illustrate piperazine pyrazosulfuron pretilachlor compounding agent to rice safety.
Claims (6)
1. a kind of binary built agent for preventing and kill off rice planting technology field weed --- piperazine pyrazosulfuron pretilachlor, it is characterised in that should
Binary built agent is using piperazine pyrazosulfuron and pretilachlor as effective active composition, the active constituent piperazine pyrazosulfuron and pretilachlor
Mass ratio be 1: 0.75~12, mainly for northeast using rice barnyard grass, firefly Lin as the rice mechanical transplanting rice seedling bed of sociales weeds, at soil
Manage agent.
2. piperazine pyrazosulfuron pretilachlor binary built agent according to claim 1, it is characterised in that the piperazine pyrrole is phonetic
Sulphur is grand and the ratio between the amount of application of pretilachlor is 50~100g a.i./hm2: 75~600g a.i./hm2。
3. piperazine pyrazosulfuron pretilachlor binary built agent according to claim 1, it is characterised in that the piperazine pyrrole is phonetic
The grand mass ratio with pretilachlor of sulphur is 1: 3~6.
4. piperazine pyrazosulfuron pretilachlor binary built agent according to claim 3, it is characterised in that the piperazine pyrrole is phonetic
Sulphur is grand and the ratio between the amount of application of pretilachlor is 100g a.i./hm2: 300~600g a.i./hm2。
5. piperazine pyrazosulfuron pretilachlor binary built agent described in claim 1, which is applied, is preventing and kill off rice planting technology field weed.
6. application according to claim 1, it is characterised in that the application method of binary built agent is 3d after rice transplanting, is adopted
Soil treatment is carried out to weeds and rice with spray-on process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810052194.8A CN110037022A (en) | 2018-01-15 | 2018-01-15 | A kind of binary built agent that preventing and kill off rice planting technology field weed-piperazine pyrazosulfuron pretilachlor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810052194.8A CN110037022A (en) | 2018-01-15 | 2018-01-15 | A kind of binary built agent that preventing and kill off rice planting technology field weed-piperazine pyrazosulfuron pretilachlor |
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|---|---|---|---|---|
| CN101528036A (en) * | 2006-11-13 | 2009-09-09 | 先正达参股股份有限公司 | Herbicidal synergistic composition |
| CN103229776A (en) * | 2013-05-20 | 2013-08-07 | 联保作物科技有限公司 | Weeding composition for rice field and preparation thereof |
| CN103271067A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Herbicidal composition |
| CN104012565A (en) * | 2014-05-30 | 2014-09-03 | 广东中迅农科股份有限公司 | A weeding composition comprising flucetosulfuron and pretilachlor |
| CN104585206A (en) * | 2014-12-23 | 2015-05-06 | 江西中迅农化有限公司 | Weeding composition containing pretilachlor, pyriminobac-methyl and metazosulfuron |
| CN104585215A (en) * | 2015-02-09 | 2015-05-06 | 湖南神隆超级稻丰产工程有限公司 | Method for simply and efficiently producing seeds and cultivating hybrid rice |
| CN105145608A (en) * | 2015-07-31 | 2015-12-16 | 广东中迅农科股份有限公司 | Pesticide composition containing pretilachlor and oxaziclomefone and sulfonylureas herbicide |
-
2018
- 2018-01-15 CN CN201810052194.8A patent/CN110037022A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101528036A (en) * | 2006-11-13 | 2009-09-09 | 先正达参股股份有限公司 | Herbicidal synergistic composition |
| CN103229776A (en) * | 2013-05-20 | 2013-08-07 | 联保作物科技有限公司 | Weeding composition for rice field and preparation thereof |
| CN103271067A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Herbicidal composition |
| CN104012565A (en) * | 2014-05-30 | 2014-09-03 | 广东中迅农科股份有限公司 | A weeding composition comprising flucetosulfuron and pretilachlor |
| CN104585206A (en) * | 2014-12-23 | 2015-05-06 | 江西中迅农化有限公司 | Weeding composition containing pretilachlor, pyriminobac-methyl and metazosulfuron |
| CN104585215A (en) * | 2015-02-09 | 2015-05-06 | 湖南神隆超级稻丰产工程有限公司 | Method for simply and efficiently producing seeds and cultivating hybrid rice |
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Non-Patent Citations (1)
| Title |
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| 筱禾: "新颖除草剂嗪吡嘧磺隆(metazosulfuron) ", 《世界农药》 * |
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Application publication date: 20190723 |