CN106561646A - A method for relieving poisoning effects of amide-type herbicides to rice by utilizing a zanthoxylum bungeanum extract product - Google Patents
A method for relieving poisoning effects of amide-type herbicides to rice by utilizing a zanthoxylum bungeanum extract product Download PDFInfo
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- CN106561646A CN106561646A CN201510652744.6A CN201510652744A CN106561646A CN 106561646 A CN106561646 A CN 106561646A CN 201510652744 A CN201510652744 A CN 201510652744A CN 106561646 A CN106561646 A CN 106561646A
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- acetamide
- oryza sativa
- extract
- fructus zanthoxyli
- group herbicides
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Abstract
The invention relates to a method for relieving poisoning effects of amide-type herbicides to rice by utilizing a zanthoxylum bungeanum extract product. Dry fruits of zanthoxylum bungeanum are crushed, sieved and extracted with supercritical carbon dioxide through adopting an alcohol organic solvent as an entrainer, and then concentration is performed to obtain the extract product. The extract product after being diluted is directly sprayed on rice or soil to which the amide-type herbicides have been applied. The extract product can protect the rice from being poisoned by the amide-type herbicides, and is safe to crops and free of environment pollution.
Description
Technical field
The present invention relates to a kind of method that acetamide-group herbicides safener is extracted from vegetable material, more particularly to safener and its using method, more specifically, the present invention relates to use of the acetamide-group herbicides safener on Oryza sativa L..
Background technology
Acetamide-group herbicides, are a kind of efficient, selective herbicides of 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 paddy field is especially high.But, because Oryza sativa L. is to most of acetamide-group herbicides quite sensitive, acetamide-group herbicides are when rice terrace is used easily to young tender Oryza sativa L. generation poisoning so that application of the acetamide-group herbicides in rice terrace receives strict restriction.Herbicide-safener is that a class can reduce murder by poisoning of the herbicide to crop; by the toleration for increasing sensitive crop; injury of the herbicide to crop is mitigated or eliminated; unique material; it selectively can exempt from poisoning by herbicide by cover crop on the premise of herbicide is not affected to target weeds activity, thus be expanded the reference scope of many herbicides, so by provide new application prospect for old kind; increase the service life, the exploitation of novel herbicide is conducive to again.The chloroacetyl ammonia herbicide-safener of commercialization at present has benoxacor, cyometrinil, oxabetrinil, naphthalene dimethyl anhydride etc..The country of research mainly has the states such as the U.S., Switzerland, Germany, Japan and Canada, Russia, Hungary also in research.China also pays special attention to this problem, but the synthesis about safener and bioactivity research still in the neither stage, and there is not been reported about alleviating injury of the acetamide-group herbicides to Oryza sativa L. with vegetalitas safener.Plant safener is a kind of new safener, and it derives from plant, protects Oryza sativa L. from herbicide damage directly as herbicide-safener with vegetable material or from the active component of plant extract.
Vegetalitas safener is different from the safener of chemosynthesis, it derives from plant, Environmental compatibility is good, new pressure will not be caused to environment, vegetalitas safener is a brand-new exploration and breakthrough in safener field, it has the main performance that the safener of chemosynthesis has again, while and have chemosynthesis safener not have the advantage that, it will not cause new pollution in whole ecosystem to environment.China's plant resourceses enrich, and China's development vegetalitas safener has resources advantage.
The content of the invention
It is an object of the invention to provide vegetalitas herbicide-safener, by using the safener, on the one hand, can release poisoning of the acetamide-group herbicides to Oryza sativa L., on the other hand, reaches the application model for expanding acetamide-group herbicides
Enclose, reduce herbicide consumption, improve herbicidal effect, reduce weeding cost.
The present invention feature be：A kind of material as herbicide-safener is the extract of plant pepper (Zanthoxylum bungeanum), described Fructus Zanthoxyli extract is that Pericarpium Zanthoxyli fruit is obtained by supercritical carbon dioxide extraction, supercritical carbon dioxide extraction does entrainer using alcohols, and wherein alcohols is one or more in methanol, ethanol, propanol, butanol, amylalcohol.Extracting method is carried out as follows：(1) material selection Pericarpium Zanthoxyli dry fruit, low-temperature grinding crosses 30～50 mesh sieves；(2) Pericarpium Zanthoxyli fruit after crushing is carried out into supercritical carbon dioxide extraction, with alcohol organic solvent as entrainer, such as ethanol, its usage amount is 5～10 times of powder total amount, and 45 DEG C of water-bath rotary evaporations are concentrated to give extract by reducing pressure.
Alleviate the method that acetamide-group herbicides are injured to Oryza sativa L., be the safener with Fructus Zanthoxyli extract as herbicide acetamide-group herbicides, protect Oryza sativa L. to exempt from the murder by poisoning of acetamide-group herbicides.
Fructus Zanthoxyli extract is 0.1g～100g/m in amount of application2When to rice safety.
Described Fructus Zanthoxyli extract and acetamide-group herbicides single dose or composition pesticide made by acetamide-group herbicides built agent, and Fructus Zanthoxyli extract makes preparation with other insecticides adjuvants.
The extract of Pericarpium Zanthoxyli, is directly sprayed in paddy soil Jing after dilution.
During the Oryza sativa L. or soil for applying superamide class herbicide is directly sprayed on after diluting containing Fructus Zanthoxyli extract, or in being sprayed on Oryza sativa L. or soil after being administered in combination containing described Fructus Zanthoxyli extract and acetamide-group herbicides single dose or built agent.
Fructus Zanthoxyli extract can release injury of the acetamide-group herbicides to Oryza sativa L., by taking isopropyl methoxalamine as an example, isopropyl methoxalamine amount of application be 5g/ mus when, consumption be 2,4,8,16,32,64,128g/m2Facilitation 123.31%, 159.98%, 164.76%, 176.35%, 164.47%, 144.21%, 118.87% of the Fructus Zanthoxyli extract to Plant Height of Rice；The facilitation of Oryza sativa L. fresh weight is reached respectively：118.32%th, 127.88%, 141.31%, 150.03%, 144.69%, 123.56%, 110.84%.
When isopropyl methoxalamine consumption is 5g/ mus, consumption is 16g/m2Fructus Zanthoxyli extract to alleviate acetamide-group herbicides most obvious to effect that Oryza sativa L. injures, 176.35% and 150.03% is respectively to the facilitation of Plant Height of Rice and fresh weight.
Fructus Zanthoxyli extract consumption is 16g/m2When, the different degrees of releasing consumption of energy is the murder by poisoning of the isopropyl methoxalamine to Oryza sativa L. of 0～10g/ mus.
Result of study：
(1) extraction process of vegetable material effective ingredient
By Pericarpium Zanthoxyli dry fruit, low-temperature grinding, cross 30～50 mesh sieves, then the Pericarpium Zanthoxyli fruit after crushing is carried out into supercritical carbon dioxide extraction, with alcohol organic solvent as entrainer, such as ethanol, its usage amount is 5～10 times of applied sample amount, extract is collected, 45 DEG C of water-bath rotary evaporations are concentrated to give extract, freezen protective by reducing pressure.
(2) screening of safener
Using capsule pot-culture method, concrete operations are：Load onto in plastic casing and air-dry the sandy loam for sieving, choose presoaking and germinating and be seeded in plastic casing to the rice paddy seed for showing money or valuables one carries unintentionally.It is then placed in being cultivated in illumination box, is processed with the acetamide-group herbicides and plant extract of variable concentrations when young rice seedlings growth is to a leaf phase, after being further cultured for 10 days, measures the plant height and strain fresh weight of Oryza sativa L..As a result show：Fructus Zanthoxyli extract can be relieved injury of the acetamide-group herbicides to Oryza sativa L..
(3) impact of the Fructus Zanthoxyli extract to paddy growth
Using capsule pot-culture method culture Oryza sativa L., Oryza sativa L. is processed with Fructus Zanthoxyli extract when paddy growth is to a leaf phase, be further cultured for 10 days, measure Plant Height of Rice and strain fresh weight.
(4) antidotal effect of the Fructus Zanthoxyli extract to acetamide-group herbicides
Using capsule pot-culture method culture Oryza sativa L., acetamide-group herbicides and Fructus Zanthoxyli extract process Oryza sativa L. when paddy growth is to a leaf phase, are further cultured for 10 days, measure Plant Height of Rice and strain fresh weight.
Advantages of the present invention and feature：Significantly, a large amount of indoor biological determinations of activity show detoxifying effect, and acetamide-group herbicides produce injury to Oryza sativa L., after Fructus Zanthoxyli extract processes Oryza sativa L., injury of the acetamide-group herbicides to Oryza sativa L. can be relieved, with obvious antidotal effect.Because acetamide-group herbicides produce murder by poisoning using easy on Oryza sativa L. to young tender Oryza sativa L., thus it is severely restricted, after Fructus Zanthoxyli extract processes Oryza sativa L., murder by poisoning of the acetamide-group herbicides to Oryza sativa L. can be released, so as to expand the range of application of acetamide-group herbicides.Pericarpium Zanthoxyli belongs to vegetable material, and being compatible with the environment property is good, and its extract is applied to Oryza sativa L., to rice safety, and will not be to environment.
Specific embodiment party depth
Embodiment 1
The following examples are further illustrated to the present invention, the following is the result of indoor bioassay, but are all not to be taken as the restriction for carrying out to the range of application of the present invention by any way in any case.
First just Pericarpium Zanthoxyli dry fruit, low-temperature grinding, cross 30～50 mesh sieves, then the Pericarpium Zanthoxyli fruit 5kg after crushing is carried out into supercritical carbon dioxide extraction, with ethanol as entrainer, its usage amount is 5～10 times of applied sample amount, collects extract, by reducing pressure, 45 DEG C of water-bath rotary evaporations are concentrated to give extract 250g (1g extracts are equivalent to 20g Pericarpium Zanthoxyli dry fruits), 4 DEG C of sealing preserves.
200g wind desiceted soils are loaded onto in the plastic casing of 13cm × 8cm × 5cm, plus 100ml tap waters, soak seed 24 hours at 28 DEG C of rice paddy seed, accelerating germination 12 hours at 30 DEG C are chosen seed of the same size and are sowed in plastic casing after showing money or valuables one carries unintentionally, per 15, box, it is placed in 26 DEG C of temperature daytime, 22 DEG C of night, intensity of illumination in the illumination box of 6000LuX to cultivate, day-night cycle is 12 hours, is processed when the one leaf phase of Oryza sativa L..
200g wind desiceted soils are loaded onto in the plastic casing of 13cm × 8cm × 5cm, plus 100ml tap waters, soak seed 24 hours at 28 DEG C of rice paddy seed, accelerating germination 12 hours at 30 DEG C are chosen seed of the same size and are sowed in plastic casing after showing money or valuables one carries unintentionally, per 15, box, it is placed in 26 DEG C of temperature daytime, 22 DEG C of night, intensity of illumination in the illumination box of 6000LuX to cultivate, day-night cycle is 12 hours, is processed when the one leaf phase of Oryza sativa L..
Isopropyl methoxalamine is imposed in every box according to the consumption of 5g/ mus, then by Fructus Zanthoxyli extract according to 2,4,8,16,32,64,128g/m2Seven consumptions are processed respectively, and each processes 3 repetitions, arrange complete blank and isopropyl methoxalamine (consumption 5g/ mus) control, continue to look after culture 10 days according to above-mentioned condition, determine Plant Height of Rice and strain fresh weight.Fructus Zanthoxyli extract releases acetamide-group herbicides to Oryza sativa L. injury effect.As a result it is as shown in table 1.
The Fructus Zanthoxyli extract of table 1 releases the effect that isopropyl methoxalamine is injured to Oryza sativa L.
1) plant height is 10 plants of meansigma methodss；2) it is rate of growth in bracket
Embodiment 2
The land for growing field crops evaluating drug effect that isopropyl methoxalamine is poisoned to Oryza sativa L. is released, by supercritical carbon dioxide extraction, ethanol is entrainer to Fructus Zanthoxyli extract.
Extracting method：Fructus Zanthoxyli extract is obtained according to extracting method described in the content of the invention
Rice varieties：T excellent 259
Isopropyl methoxalamine：96% isopropyl methoxalamine EC
Oryza sativa L. treats that seedling growth to a leaf phase carries out chemicals treatment in the sowing seedling on the 3rd of August in 2010, and processing method is that uniform directed spraying is carried out to rice shoot, and every mu of isopropyl methoxalamine consumption is 5g.Chemicals treatment can be observed key after 4 days, poisoning after 10 days significantly, shows as that root system is undeveloped, and plant is downgraded, hence it is evident that less than untreated same period of duration Plant Height of Rice.And per mu is pressed 16g/m using 5g isopropyl methoxalamines and Fructus Zanthoxyli extract2Consumption mixing is watered spraying, and without obvious symptom of chemical damage, Plant Height of Rice illustrates that Fructus Zanthoxyli extract has significantly toxic action of the releasing isopropyl methoxalamine to Oryza sativa L. be close to untreated same period of duration Plant Height of Rice within 10 days after medicine.
Claims (3)
1. a kind of utilization Fructus Zanthoxyli extract alleviates the method that acetamide-group herbicides are poisoned to Oryza sativa L., it is characterised in that：Described Fructus Zanthoxyli extract is that Pericarpium Zanthoxyli fruit is obtained by supercritical carbon dioxide extraction, and using alcohols entrainer is done, and alcohols therein is one or more in methanol, ethanol, propanol, butanol, amylalcohol；Its extracting method is carried out in the following manner,（1）Material selection Pericarpium Zanthoxyli dry fruit, low-temperature grinding crosses 30～50 mesh sieves,（2）By the fruit supercritical carbon dioxide extraction after crushing, entrainer is done using alcohols, its consumption is 5～10 times of powder total amount, and by 45 DEG C of water-bath rotary evaporations of decompression extract is concentrated to give；Extract is directly sprayed in the Oryza sativa L. or soil for applying superamide class herbicide Jing after dilution, or is sprayed on after Fructus Zanthoxyli extract is combined with acetamide-group herbicides single dose or built agent in Oryza sativa L. or soil, and Fructus Zanthoxyli extract is 0.1g～100g/m in amount of application2When to rice safety.
2. a kind of utilization Fructus Zanthoxyli extract according to claim 1 alleviates the method that acetamide-group herbicides are poisoned to Oryza sativa L., it is characterised in that：The acetamide-group herbicides include one or more in alachlor, Acetochlor, pretilachlor, butachlor, isopropyl methoxalamine.
3. a kind of utilization Fructus Zanthoxyli extract according to claim 1 alleviates the method that acetamide-group herbicides are poisoned to Oryza sativa L., it is characterised in that：The purposes of described Fructus Zanthoxyli extract is the safener as acetamide-group herbicides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510652744.6A CN106561646A (en) | 2015-10-10 | 2015-10-10 | A method for relieving poisoning effects of amide-type herbicides to rice by utilizing a zanthoxylum bungeanum extract product |
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| CN201510652744.6A CN106561646A (en) | 2015-10-10 | 2015-10-10 | A method for relieving poisoning effects of amide-type herbicides to rice by utilizing a zanthoxylum bungeanum extract product |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110786325A (en) * | 2019-05-18 | 2020-02-14 | 陆琳 | Method for relieving pesticide damage of fomesafen to part of deciduous trees |
| CN115918654A (en) * | 2022-12-15 | 2023-04-07 | 湖南农业大学 | Application method of quassia extract in relieving phytotoxicity of hormone herbicides on rice |
| CN116267921A (en) * | 2023-02-17 | 2023-06-23 | 江西劲农作物保护有限公司 | Preparation method of herbicide safener and application of herbicide safener in relieving rice phytotoxicity |
-
2015
- 2015-10-10 CN CN201510652744.6A patent/CN106561646A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110786325A (en) * | 2019-05-18 | 2020-02-14 | 陆琳 | Method for relieving pesticide damage of fomesafen to part of deciduous trees |
| CN110786325B (en) * | 2019-05-18 | 2021-06-22 | 陆琳 | Method for relieving pesticide damage of fomesafen to part of deciduous trees |
| CN115918654A (en) * | 2022-12-15 | 2023-04-07 | 湖南农业大学 | Application method of quassia extract in relieving phytotoxicity of hormone herbicides on rice |
| CN116267921A (en) * | 2023-02-17 | 2023-06-23 | 江西劲农作物保护有限公司 | Preparation method of herbicide safener and application of herbicide safener in relieving rice phytotoxicity |
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Application publication date: 20170419 |
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