CN101213963A - Composite herbicide for preventing and controlling rice weed moleplant seed and barnyard grass - Google Patents
Composite herbicide for preventing and controlling rice weed moleplant seed and barnyard grass Download PDFInfo
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- CN101213963A CN101213963A CNA2008100191535A CN200810019153A CN101213963A CN 101213963 A CN101213963 A CN 101213963A CN A2008100191535 A CNA2008100191535 A CN A2008100191535A CN 200810019153 A CN200810019153 A CN 200810019153A CN 101213963 A CN101213963 A CN 101213963A
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Abstract
The invention relates to compound herbicide for controlling paddy rice weed of Chinese sprangletop and barnyard grass. The compound herbicide can control the paddy rice weed of Chinese sprangletop and barnyard grass. The active ingredient of the invention is R (+) 2 [4 (2 fluoro 4 cyanophenoxy) phenoxy], butyl propionate and 3, 7-dichloroquinoline-8-carboxylic acid. The invention deeply examines interaction effect of barnyard grass and Chinese sprangletop, field control effect, complementarity of weed control spectrum, applicable formulation and so on. Indoor biological test and field control test show that cyhalofop butyl and quinclorac are scientifically portioned, and relevant auxiliary agent is added, and cyhalofop butyl quinclorac compound is made after being processed a certain technology. The control effect for the paddy field weed Chinese sprangletop and barnyard grass of the compound is obviously higher than single agent. The compound improves the control effect, enlarges the weed control spectrum, delays weed resistance, and reduces the using of pesticide. The invention not only lowers the agricultural cost, but also is much safer to crops.
Description
Technical field
The present invention relates to a kind of compound herbicide that can prevent and treat paddy field weed moleplant seed and barnyard grass grass.
Background technology
Paddy rice is one of main grain crop of China, and in the last few years, because socioeconomic fast development, cropping system and the planting patterns of traditional crops kept reforming in requirement, to increase economic efficiency, increases peasant's root income.Planting patterns-the direct seading rice of a kind of saving of labor, water saving, the operation of simplification farming, high-yield and high-efficiency is just at glad, but because the main weeds barnyard grass in direct seading rice field grass and moleplant seed are caused harm seriously, according to investigations, the field piece production loss of weed encroachment is generally 10～20%, evil is serious 40～50%, even total crop failure.Crop smothering has had a strong impact on the popularization of high-yield and high-efficiency planting patterns-direct seading rice, therefore, prevents and kill off the important topic that barnyard grass grass and moleplant seed have become the development Direct-seeding Rice.
At present, the main chemical agent of preventing and kill off barnyard grass grass and moleplant seed has (R)-2-[4-(4-cyano group-2-fluorophenoxy) phenoxy group] butyl propionate (hereinafter to be referred as cyhalofop-butyl) and 3,7-dichloroquinoline-8-carboxylic acid (hereinafter to be referred as dichloro quinolinic acid) etc.
(R)-and 2-[4-(4-cyano group-2-fluorophenoxy) phenoxy group] butyl propionate (hereinafter to be referred as cyhalofop-butyl), it is fragrant phenoxy propionic acid class weed killer herbicide, the highest to rice safety, it also is the conductive gramineous herbicide of interior suction, the paddy field moleplant seed is had special efficacy, this production cost height, cost an arm and a leg.
Dichloro quinolinic acid is a hormone-type quinoline acids weed killer herbicide, to paddy field barnyard grass grass active high, preventive effect is good, being that the rice field is special-purpose kills the barnyard grass agent, 4～7 leaf barnyard grass at advanced age herbal medicine is imitated outstanding, cost is low, but to the anti-heterodyne of moleplant seed; Cyhalofop-butyl has special efficacy to moleplant seed, costs an arm and a leg, and in actual production, the peasant household that has is now with the current with above-mentioned two kinds of medicaments at the edge of a field, and is random big, lacks rigorously and scientific, often is not the excessive poisoning that causes, and is exactly that the proportioning deviation is prevented heterodyne greatly.
Summary of the invention
The objective of the invention is to invent and a kind ofly can either effectively prevent and treat paddy field weed moleplant seed and barnyard grass grass, can delay again weeds pesticide resistance, cost low, to the safer compound herbicide of paddy rice.
Technical scheme
Effective ingredient of the present invention is (R)-2-[4-(4-cyano group-2-fluorophenoxy) phenoxy group] butyl propionate and 3,7-dichloroquinoline-8-carboxylic acid.
(R)-2-[4-(4-cyano group-2-fluorophenoxy) phenoxy group wherein] butyl propionate and 3, the mass ratio of 7-dichloroquinoline-8-carboxylic acid is 1: 0.2～10.
The present invention is compounded to form weed killer herbicide with dichloro quinolinic acid with different proportionings with cyhalofop-butyl, and the complementarity of making effect, field preventive effect, careless extremely spectrum mutually of barnyard grass grass and moleplant seed activity and the formulation that is suitable for etc. are furtherd investigate.Show by indoor biometrics and field preventing iron test, with cyhalofop-butyl and dichloro quinolinic acid according to scientific matching, the cyhalofop-butyl dichloro quinolinic acid complexing agent that adds corresponding adjuvants, make through certain technology, preventive effect to paddy field weed moleplant seed and barnyard grass grass is planted medicaments apparently higher than two lists, improved control efficiency, enlarged and killed the grass spectrum, delayed the weeds resistance, reduced dosage, not only reduced agricultural basis, and safer to crop.
When making suspending agent, (R)-2-[4-(4-cyano group-2-fluorophenoxy) phenoxy group] butyl propionate and 3, the mass ratio of 7-dichloroquinoline-8-carboxylic acid is 3～20: 5～30.
When making wettable powder, it is characterized in that (R)-2-[4-(4-cyano group-2-fluorophenoxy) phenoxy group] butyl propionate and 3, the mass ratio of 7-dichloroquinoline-8-carboxylic acid is 5～25: 5～50.
Embodiment
1, suspending agent embodiment:
A, 8% dichloro quinolinic acid/cyhalofop-butyl
Take by weighing 95% dichloro quinolinic acid quantity of goods produced 5.26kg (folding hundred amount 5kg), 96% cyhalofop-butyl quantity of goods produced 3.13kg (folding hundred amount 3.0kg), auxiliary agent 10kg, virgin rubber 0.33kg also, benzoic acid 0.5kg, defoamer 0.5kg, ethylene glycol 5kg, white carbon black 7kg, water 68.28kg, add and shear in the still, sheared 30 minutes, again by the one-level sand mill, behind the secondary sand milling, allocate in modulation kettle, through after the assay was approved, measuring packing is finished product.
B, 50% dichloro quinolinic acid/cyhalofop-butyl suspending agent 100kg
Take by weighing 95% dichloro quinolinic acid quantity of goods produced 31.58kg (folding hundred amount 30.0kg), 96% cyhalofop-butyl quantity of goods produced 20.83kg (folding hundred amount 20.0kg), auxiliary agent 12kg, virgin rubber 0.25kg also, benzoic acid 0.5kg, defoamer 0.5kg, ethylene glycol 5kg, water 29.34kg adds and shears in the still, sheared 30 minutes, by the one-level sand mill, behind the secondary sand milling, in modulation kettle, allocate again, through after the assay was approved, measuring packing is finished product.
C, 25% dichloro quinolinic acid/cyhalofop-butyl suspending agent 100kg
Take by weighing 95% dichloro quinolinic acid quantity of goods produced 5.26kg (folding hundred amount 5.0kg), 96% cyhalofop-butyl quantity of goods produced 20.83kg (folding hundred amount 20.0kg), auxiliary agent 12kg, virgin rubber 0.3kg also, benzoic acid 0.5kg, defoamer 0.5kg, ethylene glycol 5kg, water 55.61kg adds and shears in the still, sheared 30 minutes, by the one-level sand mill, behind the secondary sand milling, in modulation kettle, allocate again, through after the assay was approved, measuring packing is finished product.
D, 33% dichloro quinolinic acid/cyhalofop-butyl suspending agent 100kg
Take by weighing 95% dichloro quinolinic acid quantity of goods produced 31.58kg (folding hundred amount 30.0kg), 96% cyhalofop-butyl quantity of goods produced 3.13kg (folding hundred amount 3.0kg), auxiliary agent 12k, virgin rubber 0.3kg also, benzoic acid 0.5kg, defoamer 0.5kg, ethylene glycol 5kg, white carbon black 2kg, water 44.99kg, add and shear in the still, sheared 30 minutes, again by the one-level sand mill, behind the secondary sand milling, allocate in modulation kettle, through after the assay was approved, measuring packing is finished product.
2, wetting powder embodiment:
A, 10% dichloro quinolinic acid/cyhalofop-butyl wetting powder 100kg
Take by weighing 95% dichloro quinolinic acid quantity of goods produced 5.26kg (folding hundred amount 5.0kg), 96% cyhalofop-butyl quantity of goods produced 5.21kg (folding hundred amount 5.0kg), white carbon black 2kg, filler (lightweight carbon calcium or kaolin) 10kg, pour two Luo successively into and revolve in the mixer and stirred 15 minutes, add diffusant 5kg again, detergent 5kg, filler (lightweight carbon calcium or kaolin) 67.53kg stirred 25 minutes, and pulverize by the steam flow cracker back, through after the assay was approved, the metering packing is a finished product.
B, 75% dichloro quinolinic acid/cyhalofop-butyl wetting powder 100kg
Take by weighing 95% dichloro quinolinic acid quantity of goods produced 52.63kg (folding hundred amount 50.0kg), 96% cyhalofop-butyl salt quantity of goods produced 26.04kg (folding hundred amount 25.0kg), white carbon black 4kg, filler (lightweight carbon calcium or kaolin) 7.33kg pours two Luo successively into and revolves in the mixer and stirred 15 minutes, add diffusant 5kg again, detergent 5kg stirred 25 minutes, and pulverize by the steam flow cracker back, through after the assay was approved, the metering packing is a finished product.
C, 55% dichloro quinolinic acid/cyhalofop-butyl wetting powder 100k
Take by weighing 95% dichloro quinolinic acid quantity of goods produced 52.63kg (folding hundred amount 50.0kg), 96% cyhalofop-butyl quantity of goods produced 5.21kg (folding hundred amount 5.0kg), white carbon black 4kg, filler (lightweight carbon calcium or kaolin) 10kg pours two Luo successively into and revolves in the mixer and stirred 15 minutes, add diffusant 5kg again, detergent 5kg,, filler (lightweight carbon calcium or kaolin) 18.16kg, stirred 25 minutes, pulverize by the steam flow cracker back, and through after the assay was approved, the metering packing is a finished product.
D, 30% dichloro quinolinic acid/cyhalofop-butyl wetting powder 100kg
Take by weighing 95% dichloro quinolinic acid quantity of goods produced 5.26kg (folding hundred amount 5.0kg), 96% quantity of goods produced cyhalofop-butyl 26.04kg (folding hundred amount 25.0kg), white carbon black 4g, filler (lightweight carbon calcium or kaolin) 10kg, pour two Luo successively into and revolve in the mixer and stirred 15 minutes, add diffusant 5kg again, detergent 5kg, filler (lightweight carbon calcium or kaolin) 44.70kg stirred 25 minutes, and pulverize by the steam flow cracker back, through after the assay was approved, the metering packing is a finished product.
It is the composite cyhalofop-butyl dichloro quinolinic acid compound herbicide product of making of cyhalofop-butyl and dichloro quinolinic acid that the present invention will kill two medicaments that grass spectrum emphasizes particularly on different fields, applied once been has not only has been prevented and treated moleplant seed but also prevented and treated barnyard grass grass and other weeds, killing the grass spectrum has enlarged, improved and prevented and treated quality, delayed the pesticide resistance of weeds, because compound herbicide is active high to weeds, consumption is little, thereby improved safety to paddy rice, also reduced cost, visible the present invention has applied value and application prospect preferably.
In the invention process, the inventor to the preventing and kill off activity, field efficacy and comparative study has been carried out in the aspects such as safety of paddy rice of paddy field moleplant seed and barnyard grass grass, has obtained following result to the different proportionings of cyhalofop-butyl and dichloro quinolinic acid:
One, indoor biological activity determination result
1, kills the grass spectrum between cyhalofop-butyl and the dichloro quinolinic acid and have complementarity
The activity of weeding of two single agent the results are shown in Table 1, according to ocular estimate activity of weeding evaluation criterion (see and annotate 2 :), data as can be seen from table, cyhalofop-butyl is under the test dose of 15～45gai/ha, moleplant seed is shown high activity, and its range estimation activity of weeding and fresh weight inhibiting rate are all more than 97.25%; Dichloro quinolinic acid is respectively 70～87.5% and 72.19～92.87% to the range estimation activity of weeding and the fresh weight inhibiting rate of barnyard grass grass under the test dose of 9.375～112.5gai/ha, show activity of weeding preferably.Range estimation activity of weeding and fresh weight inhibiting rate to moleplant seed are respectively 15～57.5% and 1.64～35.09%, show poor activity.From the activity of weeding of single agent as can be seen, kill the grass spectrum between two medicaments and have complementarity.
2, the activity of weeding of cyhalofop-butyl and dichloro quinolinic acid complexing agent quite or be higher than activity of weeding with the agent of dosage list kills the more single agent of grass spectrum and enlarges to some extent.
By table 2 data as can be seen, two kinds of each proportionings of medicament are better to barnyard grass grass and moleplant seed activity of weeding.In the special proportioning more than cyhalofop-butyl 15gia/ha dosage to for the activity of weeding of examination target all more than 85%, wherein under the proportioning of A2:B1～B5, A3:B1～B5 to reach the high activity more than 90% for the examination target.The composite proportioning of more than A1 each to the activity of weeding of test weeds all quite or be higher than activity of weeding with the agent of dosage list is killed the more single agent of grass spectrum and is enlarged to some extent.
3, the check of Gowing method shows that various proportionings are addition to the preventive effect of barnyard grass grass and moleplant seed
Different proportionings are handled range estimation and the anti-effectiveness Gowing method check of fresh weight for examination weeds barnyard grass grass and moleplant seed, (work as E-E
0, illustrate that mixture herbicide produces synergistic effect at＞10% o'clock; Work as E-E
0, illustrate that mixture herbicide produces antagonism at＜-10% o'clock; Work as E-E
0Value was between ± 10% o'clock, illustrate that mixture herbicide produces summation action), the result shows, A1～A3 cyhalofop-butyl is under 15～45gai/ha dosage) the various proportionings of the cyhalofop-butyl of testing and dichloro quinolinic acid all show as addition, (see table 3,4 for details, E represents the actual measurement preventive effect % that each is handled, E in the table 4
0Each theoretical preventive effect % that handles of expression).
Two, field control effectiveness test result
1, cyhalofop-butyl dichloro quinolinic acid compound herbicide is safe to paddy rice
The inventor has carried out the cyhalofop-butyl dichloro quinolinic acid in fields, ground such as Hanjiang Shi Qiao compound herbicide is to the rice safety field test results: doubly measuring under the dosage, and range estimation in 3 days, 7 days, 15 days reason district paddy rice everywhere behind the medicine, the leaf look normal; Basic indifference between paddy rice plant height and contrast is managed in range estimation in 25 days everywhere behind the medicine.The mixture herbicide that shows cyhalofop-butyl and dichloro quinolinic acid is safe to paddy rice
2, cyhalofop-butyl dichloro quinolinic acid compound herbicide is better than two single agent to the preventive effect of moleplant seed and barnyard grass grass
The inventor has also carried out cyhalofop-butyl dichloro quinolinic acid compound herbicide preventive effect and two single agent preventive effects of moleplant seed and barnyard grass grass has been compared test in fields, ground such as Hanjiang Shi Qiao, by got 3 points, every some 0.11m behind the medicine in 15 days at random in every sub-district
2, barnyard grass grass and in the survival strain number of gold in the investigation sampling point calculates the strain preventive effect, investigates the survival strain number of barnyard grass grass and moleplant seed in the sampling point behind the medicine in 25 days once more, geodetic top fresh weight simultaneously, the method for calculating strain preventive effect and fresh weight preventive effect.Obtain following result:
15 days each strain preventive effects of handling show behind the medicine: cyhalofop-butyl dichloro quinolinic acid compound herbicide is with the increase of its consumption, its strain preventive effect increases gradually, and mu consumption 40% cyhalofop-butyl dichloro quinolinic acid compound herbicide 60 gram is handled barnyard grass grass and moleplant seed preventive effect more than 92%.And mu consumption 50% dichloro quinolinic acid wetting powder 50 grams are handled, and are 97.2% to barnyard grass grass preventive effect, and moleplant seed is only had 35.6% preventive effect.25 days 40% each processing of cyhalofop-butyl dichloro quinolinic acid compound herbicide strain preventive effect and fresh weight preventive effect trend careless to barnyard grass and a thousand pieces of gold are basic identical behind the medicine, and total preventive effect rises slightly.But 10% cyhalofop-butyl 50 gram is handled barnyard grass grass descend to some extent (details see Table 5, table 6).
Table 1 cyhalofop-butyl and dichloro quinolinic acid various dose are used proportion design with
| Each dosage is handled (gai/ha) | Dichloro quinolinic acid (numbering B) | ||||||
| 0 (B0) | 9.375 (B1) | 18.75 (B2) | 37.5 (B3) | 75 (B4) | 112.5 (B5) | ||
| Cyhalofop-butyl (numbering A) | 0 (A0) | - | 0+9.375 | 0+18.75 | 0+37.5 | 0+75 | 0+112.5 |
| 15 (A1) | 15+0 | 15+9.375 | 15+18.75 | 15+37.5 | 15+75 | 15+112.5 | |
| 30 (A2) | 30+0 | 30+9.375 | 30+18.75 | 30+37.5 | 30+75 | 30+112.5 | |
| 45 (A3) | 45+0 | 45+9.375 | 45+18.75 | 45+37.5 | 45+75 | 45+112.5 | |
Table 2: ocular estimate activity of weeding evaluation criterion
| Classification | Activity of weeding (%) | The comprehensive comment of activity of weeding (to plants stems or root inhibition, deformity, albefaction, influence degree such as mashed) |
| 1 grade | 100％ | Weeds are all dead |
| 2 grades | 97.5～100％ | Be equivalent to 0～2.5% of blank district weeds, active good, the severe inhibition growth |
| 3 grades | 95～97.4％ | Be equivalent to 2.6～5% of blank district weeds; Active good, the severe inhibition growth |
| 4 grades | 90～94.9％ | Be equivalent to 5.1～10% of blank district weeds; Active good, the severe inhibition growth |
| 5 grades | 85～89.9％ | Be equivalent to 10.1～15% of blank district weeds; Active good, the severe inhibition growth |
| 6 grades | 75～84.9％ | Be equivalent to 15.1～25% of blank district weeds; Activity is arranged, can suppress growth |
| 7 grades | 65～74.9％ | Be equivalent to 25.1～35% of blank district weeds; Active low, growth is had a significant effect |
| 8 grades | 32.5～64.9％ | Be equivalent to 35.1～67.5% of blank district weeds; Active low, influential slightly |
| 9 grades | 0～32.4％ | Be equivalent to 67.6～100% of blank district weeds; Poor activity is invalid substantially |
Annotate 1:
In the table 2. estimate medicament to plants stems or root inhibitions, deformity, albefaction, combined influence degree such as mashed with ocular estimate, 0% is no activity of weeding, the 100% plant death fully of being injured.
Annotate 2:
Fresh weight preventive effect computing formula is in the table 3:
Table 3: cyhalofop-butyl is used different proportioning activity of weeding (%) with dichloro quinolinic acid
| Handle | Dosage (gai/ha) | The barnyard grass grass | Moleplant seed | |||
| Cyhalofop-butyl | Dichloro quinolinic acid | Range estimation | Fresh weight | Range estimation | Fresh weight | |
| A1 | 15 | - | 80 | 81.34 | 99 | 99.10 |
| A2 | 30 | - | 85 | 89.84 | 99.5 | 99.61 |
| A3 | 45 | - | 88.75 | 91.10 | 100 | 100 |
| B1 | - | 9.375 | 70 | 72.19 | 15 | 1.64 |
| B2 | - | 18.75 | 83.75 | 85.29 | 25 | 8.22 |
| B3 | - | 37.5 | 87.5 | 91.33 | 42.5 | 37.60 |
| B4 | - | 75 | 87.5 | 88.63 | 47.5 | 36.56 |
| B5 | - | 112.5 | 87.5 | 92.87 | 57.5 | 35.09 |
| A1B1 | 15 | 9.375 | 86.25 | 90.18 | 95 | 96.11 |
| A1B2 | 15 | 18.75 | 87.5 | 87.34 | 92 | 90.33 |
| A1B3 | 15 | 37.5 | 87.5 | 90.37 | 90 | 92.19 |
| A1B4 | 15 | 75 | 87.5 | 91.18 | 92.5 | 92.08 |
| A1B5 | 15 | 112.5 | 91.25 | 90.29 | 92.5 | 94.14 |
| A2B1 | 30 | 9.375 | 87.5 | 90.64 | 94.5 | 93.29 |
| A2B2 | 30 | 18.75 | 90 | 91.33 | 92.5 | 90.24 |
| A2B3 | 30 | 37.5 | 92.5 | 89.17 | 91.25 | 94.41 |
| A2B4 | 30 | 75 | 90 | 90.53 | 90 | 90.92 |
| A2B5 | 30 | 112.5 | 91.25 | 90.05 | 90 | 93.84 |
| A3B1 | 45 | 9.375 | 87.5 | 90.96 | 99 | 99.32 |
| A3B2 | 45 | 18.75 | 88.75 | 91.60 | 100 | 100 |
| A3B3 | 45 | 37.5 | 91.25 | 90.64 | 98.75 | 99.52 |
| A3B4 | 45 | 75 | 91.25 | 90.09 | 98 | 97.25 |
| A3B5 | 45 | 112.5 | 90 | 90.03 | 98.25 | 99.69 |
Table 4: the different proportionings with dichloro quinolinic acid of cyhalofop-butyl are used the synergy check to each test target with
| Handle | Actual measurement preventive effect E | Theoretical preventive effect E 0 | E-E 0 | The synergy type | ||||||||||||
| The barnyard grass grass | Moleplant seed | The barnyard grass grass | Moleplant seed | The barnyard grass grass | Moleplant seed | The barnyard grass grass | Moleplant seed | |||||||||
| Range estimation | Fresh weight | Range estimation | Fresh weight | Range estimation | Fresh weight | Range estimation | Fresh weight | Range estimation | Fresh weight | Range estimation | Fresh weight | Range estimation | Fresh weight | Range estimation | Fresh weight | |
| A1B1 | 86.25 | 90.18 | 95 | 96.11 | 94.00 | 94.81 | 99.15 | 99.12 | -7.75 | -4.63 | -4.15 | -3.01 | Addition | Addition | Addition | Addition |
| A1B2 | 87.5 | 87.34 | 92 | 90.33 | 96.75 | 97.26 | 99.25 | 99.18 | -9.25 | -9.92 | -7.25 | -8.85 | Addition | Addition | Addition | Addition |
| A1B3 | 87.5 | 90.37 | 90 | 92.19 | 97.50 | 98.38 | 99.43 | 99.44 | -10.00 | -8.01 | -9.43 | -7.25 | Addition | Addition | Addition | Addition |
| A1B4 | 87.5 | 91.18 | 92.5 | 92.08 | 97.50 | 97.88 | 99.48 | 99.43 | -10.00 | -6.69 | -6.97 | -7.36 | Addition | Addition | Addition | Addition |
| A1B5 | 91.25 | 90.29 | 92.5 | 94.14 | 97.50 | 98.67 | 99.58 | 99.42 | -6.25 | -8.38 | -7.08 | -5.27 | Addition | Addition | Addition | Addition |
| A2B1 | 87.5 | 90.64 | 94.5 | 93.29 | 95.50 | 97.17 | 99.58 | 99.62 | -8.00 | -6.54 | -5.08 | -6.33 | Addition | Addition | Addition | Addition |
| A2B2 | 90 | 91.33 | 92.5 | 90.24 | 97.56 | 98.51 | 99.63 | 99.64 | -7.56 | -7.18 | -7.13 | -9.40 | Addition | Addition | Addition | Addition |
| A2B3 | 92.5 | 89.17 | 91.25 | 94.41 | 98.13 | 99.12 | 99.71 | 99.76 | -5.63 | -9.95 | -8.46 | -5.35 | Addition | Addition | Addition | Addition |
| A2B4 | 90 | 90.53 | 90 | 90.92 | 98.13 | 98.84 | 99.74 | 99.75 | -8.13 | -8.31 | -9.74 | -8.83 | Addition | Addition | Addition | Addition |
| A2B5 | 91.25 | 90.05 | 90 | 93.84 | 98.13 | 99.28 | 99.79 | 99.75 | -6.88 | -9.23 | -9.79 | -5.91 | Addition | Addition | Addition | Addition |
| A3B1 | 87.5 | 90.96 | 99 | 99.32 | 96.63 | 97.52 | 100 | 100 | -9.13 | -6.56 | -1.00 | -0.68 | Addition | Addition | Addition | Addition |
| A3B2 | 88.75 | 91.60 | 100 | 100.00 | 98.17 | 98.69 | 100 | 100 | -9.42 | -7.09 | 0.00 | 0.00 | Addition | Addition | Addition | Addition |
| A3B3 | 91.25 | 90.64 | 98.75 | 99.52 | 98.59 | 99.23 | 100 | 100 | -7.34 | -8.59 | -1.25 | -0.48 | Addition | Addition | Addition | Addition |
| A3B4 | 91.25 | 90.09 | 98 | 97.25 | 98.59 | 98.99 | 100 | 100 | -7.34 | -8.90 | -2.00 | -2.75 | Addition | Addition | Addition | Addition |
| A3B5 | 90 | 90.03 | 98.25 | 99.69 | 98.59 | 99.37 | 100 | 100 | -8.59 | -9.34 | -1.75 | -0.31 | Addition | Addition | Addition | Addition |
Annotate 3: test with the activity of weeding of Gowing method after to two kinds of herbicide mixtures, the calculation of effect that is mixed formula is: E
0=X+Y-XY/100, in the formula, the weeds preventive effect of weed killer herbicide A when X represents that consumption is P; The weeds preventive effect of weed killer herbicide B when Y represents that consumption is Q; E
0The theoretical preventive effect of weed killer herbicide (A+B) when expression weed killer herbicide consumption is (P+Q).Press the Gowing method, work as E-E
0, illustrate that mixture herbicide produces synergistic effect at＞10% o'clock; Work as E-E
0, illustrate that mixture herbicide produces antagonism at＜-10% o'clock; Work as E-E
0Value illustrates that between ± 10% o'clock mixture herbicide produces summation action, and E represents the actual measurement preventive effect % that each is handled in the formula.
Each processing in 15 days is to the preventive effect of grassy weed behind table 5. medicine
| Handle | The barnyard grass grass | Moleplant seed | Total preventive effect (%) | ||
| Strain/0.11m 2 | Preventive effect (%) | Strain/0.11m 2 | Preventive effect (%) | ||
| A | 5.4 | 81.3 | 2.4 | 85.0 | 82.7 |
| B | 2.3 | 92.1 | 1.2 | 92.5 | 92.2 |
| C | 1.0 | 96.6 | 0.4 | 97.5 | 96.9 |
| D | 0.4 | 98.6 | 0.2 | 98.8 | 98.7 |
| E | 3.9 | 86.5 | 0.2 | 98.8 | 90.9 |
| F | 0.8 | 97.2 | 10.3 | 35.6 | 75.3 |
| G | 29.0 | - | 16.0 | - | - |
Annotate: cyhalofop-butyl A.40%. dichloro quinolinic acid wetting powder 50.0
B.40% cyhalofop-butyl. dichloro quinolinic acid wetting powder 60.0
C.40% cyhalofop-butyl. dichloro quinolinic acid wetting powder 70.0
D.40% cyhalofop-butyl. dichloro quinolinic acid wetting powder 120.0
E.10% a thousand pieces of gold missible oil 50.0
F.50% the dichloro quinolinic acid wetting powder 50.0
G clear water contrast (CK1)
Each processing in 25 days is to the preventive effect of grassy weed behind table 6. medicine
| Handle | Strain number/0.11m 2 | Fresh weight (g/0.11m 2) | ||||||||
| The barnyard grass grass | Moleplant seed | Total preventive effect (%) | The barnyard grass grass | Moleplant seed | Total imitate (%) | |||||
| Strain | Preventive effect % | Strain | Preventive effect % | Gram | Preventive effect % | Gram | Preventive effect % | |||
| A | 7.0 | 78.1 | 3.0 | 80.0 | 75.0 | 21.5 | 81.7 | 7.5 | 89.1 | 85.5 |
| B | 2.8 | 91.2 | 0.8 | 95.6 | 92.8 | 6.6 | 94.4 | 2.5 | 96.3 | 95.1 |
| C | 1.2 | 96.3 | 0.5 | 97.2 | 96.6 | 3.2 | 97.2 | 1.2 | 98.2 | 97.6 |
| D | 0.5 | 98.5 | 0.1 | 99.4 | 98.8 | 1.0 | 99.1 | 0.3 | 99.6 | 99.3 |
| E | 15.1 | 52.8 | 0.9 | 95.0 | 68.0 | 54.5 | 53.8 | 2.7 | 96.0 | 69.4 |
| F | 1.5 | 95.3 | 13.5 | 25.0 | 70.0 | 6.9 | 94.1 | 52.3 | 24.2 | 68.3 |
| G | 32.0 | - | 18.0 | - | - | 118.0 | 69.0 | - | ||
Claims (4)
1. be used to prevent and treat the compound herbicide of rice weed moleplant seed and barnyard grass grass, it is characterized in that: effective ingredient becomes (R)-2-[4-(4-cyano group-2-fluorophenoxy) phenoxy group] butyl propionate and 3,7-dichloroquinoline-8-carboxylic acid.
2. according to the described compound herbicide that is used to prevent and treat rice weed moleplant seed and barnyard grass grass of claim 1, it is characterized in that: (R)-2-[4-(4-cyano group-2-fluorophenoxy) phenoxy group] butyl propionate and 3, the mass ratio of 7-dichloroquinoline-8-carboxylic acid is 1: 0.2～10.
3. according to the described compound herbicide that is used to prevent and treat rice weed moleplant seed and barnyard grass grass of claim 1, it is characterized in that: when making suspending agent, (R)-and 2-[4-(4-cyano group-2-fluorophenoxy) phenoxy group] butyl propionate and 3, the mass ratio of 7-dichloroquinoline-8-carboxylic acid is 3～20: 5～30.
4. according to claim 1, the 2 described compound herbicides that are used to prevent and treat rice weed moleplant seed and barnyard grass grass, when making wettable powder, it is characterized in that (R)-2-[4-(4-cyano group-2-fluorophenoxy) phenoxy group] butyl propionate and 3, the mass ratio of 7-dichloroquinoline-8-carboxylic acid is 5～25: 5～50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100191535A CN101213963A (en) | 2008-01-11 | 2008-01-11 | Composite herbicide for preventing and controlling rice weed moleplant seed and barnyard grass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100191535A CN101213963A (en) | 2008-01-11 | 2008-01-11 | Composite herbicide for preventing and controlling rice weed moleplant seed and barnyard grass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101213963A true CN101213963A (en) | 2008-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100191535A Pending CN101213963A (en) | 2008-01-11 | 2008-01-11 | Composite herbicide for preventing and controlling rice weed moleplant seed and barnyard grass |
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| CN (1) | CN101213963A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101953340A (en) * | 2010-06-03 | 2011-01-26 | 深圳诺普信农化股份有限公司 | Cyhalofop-butyl-containing weed oil suspension composition |
| CN102265857A (en) * | 2010-06-03 | 2011-12-07 | 南京华洲药业有限公司 | Mixed herbicide containing bentazone, cyhalofop-butyl and quinclorac, and application thereof |
| CN102461538A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Application of hybrid herbicide containing Cinosulfuron, cyhalofop-butyl and butachlor |
| CN103004826A (en) * | 2012-12-25 | 2013-04-03 | 阳玉欣 | Herbicide |
| CN101743970B (en) * | 2009-12-24 | 2013-05-08 | 广东中迅农科股份有限公司 | Cyhalofop-butyl-containing pesticide composition and application thereof |
| CN107136088A (en) * | 2017-07-14 | 2017-09-08 | 安徽海日生物科技有限公司 | A kind of cyhalofop-butyl and dichloro quinolinic acid compounding suspending agent and preparation method thereof |
| CN107333767A (en) * | 2017-08-04 | 2017-11-10 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing dichloro quinolinic acid, cyhalofop-butyl and bispyribac-sodium |
| CN114931140A (en) * | 2022-06-15 | 2022-08-23 | 黑龙江省农业科学院植物保护研究所 | Application of quinclorac isopropyl ester in preventing and treating barnyard grass, wettable powder and application thereof |
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- 2008-01-11 CN CNA2008100191535A patent/CN101213963A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743970B (en) * | 2009-12-24 | 2013-05-08 | 广东中迅农科股份有限公司 | Cyhalofop-butyl-containing pesticide composition and application thereof |
| CN101953340A (en) * | 2010-06-03 | 2011-01-26 | 深圳诺普信农化股份有限公司 | Cyhalofop-butyl-containing weed oil suspension composition |
| CN102265857A (en) * | 2010-06-03 | 2011-12-07 | 南京华洲药业有限公司 | Mixed herbicide containing bentazone, cyhalofop-butyl and quinclorac, and application thereof |
| CN102461538A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Application of hybrid herbicide containing Cinosulfuron, cyhalofop-butyl and butachlor |
| CN102461538B (en) * | 2010-11-19 | 2013-11-27 | 南京华洲药业有限公司 | Application of hybrid herbicide containing Cinosulfuron, cyhalofop-butyl and butachlor |
| CN103004826A (en) * | 2012-12-25 | 2013-04-03 | 阳玉欣 | Herbicide |
| CN107136088A (en) * | 2017-07-14 | 2017-09-08 | 安徽海日生物科技有限公司 | A kind of cyhalofop-butyl and dichloro quinolinic acid compounding suspending agent and preparation method thereof |
| CN107333767A (en) * | 2017-08-04 | 2017-11-10 | 安徽圣丰生化有限公司 | A kind of herbicidal composition containing dichloro quinolinic acid, cyhalofop-butyl and bispyribac-sodium |
| CN114931140A (en) * | 2022-06-15 | 2022-08-23 | 黑龙江省农业科学院植物保护研究所 | Application of quinclorac isopropyl ester in preventing and treating barnyard grass, wettable powder and application thereof |
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