CN102027870B - Method for alleviating poison of acid amide herbicides on rice by sanshoamide - Google Patents

Method for alleviating poison of acid amide herbicides on rice by sanshoamide Download PDF

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CN102027870B
CN102027870B CN201010509636A CN201010509636A CN102027870B CN 102027870 B CN102027870 B CN 102027870B CN 201010509636 A CN201010509636 A CN 201010509636A CN 201010509636 A CN201010509636 A CN 201010509636A CN 102027870 B CN102027870 B CN 102027870B
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China
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acetamide
paddy rice
taste component
group herbicides
rice
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CN102027870A (en
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柏连阳
吴景
周小毛
于广威
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Hunan Agricultural University
Hunan University of Humanities Science and Technology
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Hunan Agricultural University
Hunan University of Humanities Science and Technology
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Abstract

The invention belongs to the technical field of natural drug, chemical pesticide and biopesticide, particularly relating to an application of the sanshoamide on alleviating poison of acid amide herbicides on rice, in particular to a safener and a use method thereof. The sanshoamide is made from plants or is obtained by chemosynthesis. The sanshoamide is diluted to be directly sprayed on rice or soil, can alleviate poison of acid amide herbicides on rice, is safe to crop and does not pollute environment.

Description

Pepper numb-taste component is alleviated the method that acetamide-group herbicides are poisoned paddy rice
Invention field
The invention belongs to Natural Medicine Chemistry and biological pesticide technical field, specifically relate to pepper numb-taste component further, relate in particular to safener and using method thereof alleviating acetamide-group herbicides to the application in the paddy rice murder by poisoning.
Background technology
Acetamide-group herbicides are selective herbicides of a kind of efficient, wide spectrum, are mainly used in dry crop and prevent and kill off annual gramineous weed and part broad leaved weed.Acetamide-group herbicides activity in the paddy field is high especially.But because paddy rice is responsive unusually to most of acetamide-group herbicides, acetamide-group herbicides produce poisoning to the tender paddy rice of children easily when paddy field uses, make the application of acetamide-group herbicides in paddy field be subjected to strict restriction.Herbicide-safener is that a class can reduce weed killer herbicide to Toxicity in Crops; by increasing the tolerance of sensitive crop; alleviate or eliminate the injury of weed killer herbicide crop; has unique material; it do not influence weed killer herbicide to the prerequisite of target weeds activity under selectively cover crop exempt from the poisoning that is subjected to weed killer herbicide, thereby make the scope of quoting of many weed killer herbicides obtain enlarging, so promptly can be old kind new application prospect be provided; increase the service life, help the exploitation of novel herbicide again.Commercial at present chloro acetyl ammonia herbicide-safener has benoxacor, cyometrinil, oxabetrinil, naphthalene dimethyl anhydride etc.The country of research mainly contains the U.S., Switzerland, Germany, Japan and Canadian, and states such as Russia, Hungary are also in research.China also pays special attention to this problem, but the synthetic and bioactivity research of relevant safener still is in the starting stage, and does not relevantly appear in the newspapers as yet with the injury of vegetalitas safener alleviation acetamide-group herbicides to paddy rice.The plant safener is a kind of novel safener, and it derives from plant, directly protects paddy rice to avoid herbicide damage as herbicide-safener with vegetable material or from the active component of plant extract.
The vegetalitas safener is different from the safener of chemosynthesis, it derives from plant, Environmental compatibility is good, can not cause new pressure to environment, the vegetalitas safener is a brand-new exploration and breakthrough in the safener field, it has the main performance that safener had of chemosynthesis, the advantage that has the chemosynthesis safener not had again simultaneously, and it can not cause new pollution to environment in the whole ecological system.China's plant resources is abundant, and this is the resources advantage that China's development vegetalitas safener is had.
Summary of the invention
The object of the present invention is to provide one group of material with herbicide-safener activity, this group compound can extract acquisition from plant, also can obtain by chemosynthesis.By using this safener, on the one hand, can remove the poisoning of acetamide-group herbicides to paddy rice, on the other hand, reach the range of application that enlarges acetamide-group herbicides, reduce the weed killer herbicide consumption, improve herbicidal effect, reduce the weeding cost.
Of the present invention being characterized as: propose pepper numb-taste component and alleviate acetamide-group herbicides to the method in the paddy rice murder by poisoning.Said pepper numb-taste component is the general designation of 14 kinds of materials in the following table.
Figure GDA0000082278390000021
Annotate:
10 8 6 2
CH 3-CH=CH-CH=CH-CH=CH-CH 2-CH 2-CH=CH-CONH-CH 2-C(Me) 2-R (I)
12 10 8 4 2
CH 3-CH=CH-CH=CH-CH=CH-CH 2-CH 2-CH=CH-CH=CH-CONH-CH 2-C(Me) 2-R (II)
11 8 4 2
CH 3-CH 2-CH=CH-CH 2-CH=CH-CH 2-CH 2-CH=CH-CH=CH-CONH-CH 2-C(Me) 2-R (III)
4 2
CH 3-(CH 2) 8-CH=CH-CH=CH-CONH-CH 2-C(Me) 2-R (IV)
8 4 2
CH 3-(CH 2) 4-CH=CH-CH 2-CH 2-CH=CH-CH=CH-CONH-CH 2-C(Me) 2-R (V)
12 10 8 4 2
CH 3-CH=CH-CH=CH-CH=CH-CH 2-CH 2-CH=CH-CH=CH-CONH-CH 2-C(Me)=CH 2 (VI)
Above-mentioned pepper numb-taste component is to extract from plant or chemosynthesis obtains.
Alleviating the method for acetamide-group herbicides to the paddy rice injury, is with one or more safeners as acetamide-group herbicides in the above-mentioned pepper numb-taste component, and the protection paddy rice exempts from the murder by poisoning of acetamide-group herbicides.
The amount of application of pepper numb-taste component is 0.01g~100g/m 2The time to rice safety.
Composite dose of composition pesticide of making of described pepper numb-taste component and the agent of acetamide-group herbicides list or acetamide-group herbicides, and pepper numb-taste component and other insecticides adjuvants are made preparation.
Pepper numb-taste component directly is sprayed in the paddy soil after diluting.
Directly be sprayed in the paddy rice or soil of using superamide class weed killer herbicide (acetamide-group herbicides comprise one or more in alachlor, Acetochlor, the third careless amine, butachlor, the isopropyl methoxalamine) after containing the pepper numb-taste component dilution, or be sprayed in paddy rice or the soil after containing described pepper numb-taste component and the agent of acetamide-group herbicides list or composite dose of combined administration.
Pepper numb-taste component can be removed the injury of acetamide-group herbicides to paddy rice, is example with the Acetochlor, and when the Acetochlor amount of application was 2g/ mu, consumption was 1,2,4,8,16,32,64g/m 2Pepper extract is 141.92%, 209.18%, 226.15%, 234.67%, 214.19%, 193.91%, 148.44% to the facilitation of paddy rice plant height; Facilitation to the paddy rice fresh weight reaches respectively: 141.32%, 177.24%, 180.70%, 181.19%, 177.92%, 163.27%, 140.98%.
When the Acetochlor consumption was 2g/ mu, consumption was 8g/m 2Pepper extract to alleviate Acetochlor the most obvious to the effect of paddy rice injury, the facilitation of paddy rice plant height and fresh weight is respectively 234.67% and 181.19%.
The pepper extract consumption is 8g/m 2The time, can releasing consumption in various degree be of the murder by poisoning of the Acetochlor of 0~4g/ mu to paddy rice.
Result of study:
(1) leaching process of pepper numb-taste component
With the Pericarpium Zanthoxyli fruit drying, low-temperature grinding, cross 30~50 mesh sieves, Pericarpium Zanthoxyli fruit after will pulverizing then carries out supercritical carbon dioxide extracting, is entrainer with the alcohol organic solvent, as ethanol, its usage amount is 5~10 times of applied sample amount, collect extract, by the 45 ℃ of water-bath rotary evaporations that reduce pressure concentrate extract, freezing preservation.
(2) pepper numb-taste component is to the influence of paddy growth
Adopt the capsule pot-culture method to cultivate paddy rice, treat that paddy growth to a leaf handles paddy rice with pepper numb-taste component during the phase, cultivated again 10 days, measure paddy rice plant height and strain fresh weight.
(3) pepper numb-taste component is to the antidotal effect of acetamide-group herbicides
Adopt the capsule pot-culture method to cultivate paddy rice, treat that paddy growth to a leaf handles paddy rice with acetamide-group herbicides and pepper numb-taste component during the phase, cultivated again 10 days, measure paddy rice plant height and strain fresh weight.
Advantage of the present invention and characteristics: detoxifying effect is remarkable, a large amount of indoor biological activity determinations show that acetamide-group herbicides produce injury to paddy rice, behind pepper numb-taste component processing paddy rice, can obviously alleviate the injury of acetamide-group herbicides, have tangible antidotal effect paddy rice.Because acetamide-group herbicides use easily the tender paddy rice of children to be produced on paddy rice and poison, thereby be subjected to strict restriction, behind pepper numb-taste component processing paddy rice, can remove the murder by poisoning of acetamide-group herbicides, thereby enlarge the range of application of acetamide-group herbicides paddy rice.Chinese prickly ash belongs to vegetable material, and good with Environmental compatibility, its extract is applied to paddy rice, to rice safety, and can not pollute environment.
Specific embodiment
Embodiment 1
The following examples further specify of the present invention, below are the results of indoor bioassay, but should regard the restriction of by any way range of application of the present invention being carried out as in any case.
Earlier with the Chinese prickly ash dry fruit, low-temperature grinding, cross 30~50 mesh sieves, Pericarpium Zanthoxyli fruit 5kg after will pulverizing then carries out supercritical carbon dioxide extracting, with ethanol is entrainer, and its usage amount is 5~10 times of applied sample amount, collects extract, by the 45 ℃ of water-bath rotary evaporations that reduce pressure concentrate extract 250g (the 1g extract is equivalent to 20g Chinese prickly ash dry fruit), 4 ℃ of sealings are preserved.
Load onto the 200g air dried soil at the plastic casing of 13cm * 8cm * 5cm, add the 100ml running water, the seed soaking 24 hours down of 28 ℃ of rice paddy seeds, 30 ℃ of following vernalization 12 hours is chosen seed of the same size to be sowed in the plastic casing after showing money or valuables one carries unintentionally, 15 in every box, place 26 ℃ of temperature daytimes, at 22 ℃ of nights, intensity of illumination is to cultivate in the illumination box of 6000LuX, day-night cycle is 12 hours, treats that paddy rice one leaf handles during the phase.
The consumption of Acetochlor according to 2g/ mu imposed in every box, again with pepper extract according to 1,2,4,8,16,32,64g/m 2Seven consumptions are handled respectively, and each is handled 3 times and repeats, and complete blank and Acetochlor (consumption 2g/ mu) contrast is set, and continue to measure paddy rice plant height and strain fresh weight according to above-mentioned condition illumination cultivation 10 days.Pepper extract is removed Acetochlor to the paddy rice injury effect.The result is as shown in table 1.
Table 1 pepper extract is removed the effect of Acetochlor to the paddy rice injury
The Acetochlor consumption The pepper extract consumption Plant height 1) The strain fresh weight
(g/ mu) (g/m 2) (cm) (g/10 strain)
0 0 22.19 0.698
2 0 10.36 0.392
2 1 14.63(141.92) 2) 0.554(141.32)
2 2 21.67(209.18) 0.695(177.24)
2 4 23.49(226.15) 0.708(180.70)
2 8 24.31(234.67) 0.710(181.19)
2 16 22.19(214.19) 0.697(177.92)
2 32 20.09(193.91) 0.640(163.27)
2 64 15.38(148.44) 0.553(140.98)
1) plant height is the mean value of 10 strains; 2) be growth rate in the bracket
Embodiment 2
Remove the land for growing field crops evaluating drug effect that Acetochlor is poisoned paddy rice, pepper extract is by supercritical carbon dioxide extracting, and ethanol is entrainer.
Extracting method: obtain pepper extract according to the described extracting method of summary of the invention
Rice varieties: T excellent 259
Acetochlor: 90% acetochlor ec
Paddy rice is on August 3rd, 2010 sowing seedling, treats that seedling growth to the leaf phase carries out chemicals treatment, and processing method is that rice shoot is carried out even directed spraying, and every mu of Acetochlor consumption is 2g.Chemicals treatment can be observed poisoning after 4 days, after 10 days poisoning remarkable, it is undeveloped to show as root system, plant is downgraded, and is starkly lower than and is untreated with paddy rice plant height breeding time.And every mu used 2g Acetochlor and pepper extract to press 8g/m 2Consumption mixes converts water spray, does not have obvious symptom of chemical damage behind the medicine in 10 days, and the paddy rice plant height is near being untreated with paddy rice plant height breeding time, illustrates that pepper extract has to remove the toxic action of Acetochlor to paddy rice significantly.

Claims (3)

1. pepper numb-taste component is alleviated the method that acetamide-group herbicides are poisoned paddy rice, it is characterized in that: described pepper numb-taste component is with the Pericarpium Zanthoxyli fruit drying, low-temperature grinding, cross 30~50 mesh sieves, Pericarpium Zanthoxyli fruit after will pulverizing then carries out supercritical carbon dioxide extracting, with the alcohol organic solvent is entrainer, its usage amount is 5~10 times of applied sample amount, collect extract, by the 45 ℃ of water-bath rotary evaporations that reduce pressure concentrate extract, this extract directly is sprayed on after diluting in the paddy rice or soil of using superamide class weed killer herbicide, or be sprayed in paddy rice or the soil after containing described pepper numb-taste component and the agent of acetamide-group herbicides list or composite dose of combination, the pepper numb-taste component amount of application is 1g~100g/m 2The time to rice safety.
2. pepper numb-taste component according to claim 1 is alleviated the method that acetamide-group herbicides are poisoned paddy rice, and it is characterized in that: described acetamide-group herbicides comprise one or more in alachlor, Acetochlor, the third careless amine, butachlor, the isopropyl methoxalamine.
3. alleviate the method that acetamide-group herbicides are poisoned paddy rice according to the described pepper numb-taste component of claim 1, it is characterized in that: the purposes of described pepper numb-taste component is the safener as acetamide-group herbicides.
CN201010509636A 2010-10-15 2010-10-15 Method for alleviating poison of acid amide herbicides on rice by sanshoamide Expired - Fee Related CN102027870B (en)

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CN102835410A (en) * 2012-09-21 2012-12-26 徐弋舒 Method for compound use of rice herbicide
CN107821391B (en) * 2017-12-01 2023-10-27 湖南省农业生物技术研究中心 Safeners and compositions for protecting cereals from amide herbicides
CN113387786B (en) * 2021-06-21 2023-08-01 河南省农业科学院植物保护研究所 Safener for protecting cereal from herbicide
CN115160176B (en) * 2022-08-19 2023-06-20 中国科学院兰州化学物理研究所 Zanthoxylum bungeanum active substance and extraction method and application thereof

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