CN104488618A - Wheat scab control method - Google Patents
Wheat scab control method Download PDFInfo
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- CN104488618A CN104488618A CN201410800333.2A CN201410800333A CN104488618A CN 104488618 A CN104488618 A CN 104488618A CN 201410800333 A CN201410800333 A CN 201410800333A CN 104488618 A CN104488618 A CN 104488618A
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- wheat
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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Abstract
The invention discloses a wheat scab control method. The method includes 1, preparing selenium solution; 2, on a sunny day, spraying the selenium solution with the certain concentration on wheat in flowering period for 1 to 3 times through a spray device, allowing the wheat to serve as a treatment group, and spraying water on wheat serving as a control group; 3, on a sunny day for 3 to 5 days after flowering, namely in the early filling period, spraying the selenium solution on the treatment group through the spray device for 1 to 3 times, and spraying water on the control group; 4, recording the gibberella expanding speed on panicle portions of the treatment group and control group; 5, recording the diseased panicle rates of the treatment group and control group after 21 to 25 days after flowering; 6, recording grain infection rate after harvesting. The gibberella expanding speed on the panicle portions and the grain infection rate can be decreased significantly, and the wheat nutritional value can be increased and human, animal and plant health can be promoted through proper application.
Description
Technical field
The invention belongs to extermination of disease and insect pest field, be specifically related to a kind of wheat scab prevention and controls.
Background technology
Head blight is one of most important disease on wheat, and this disease is popular not only causes wheat Severe Reduction, and accumulates toxin in seed, can cause person poultry poisoning.Although the current medicament kind for preventing and treating wheat scab is more, active ingredient mainly concentrates on carbendazim, Prochloraz, triazolone, Tebuconazole, benzene first propiconazole emulsifiable concentrate, and a few class medicament such as 2-cyano-3-amino-3-phenylancryic acetate, sprays with single dose or built agent usually.Wherein use more with carbendazim single dose or carbendazim complexing agent.Carbendazim can not stop the expansion of germ, but can effectively stop infecting of pathogen.But Long-Time Service carbendazim can make gibberellic hypha develop immunity to drugs to carbendazim, affects control efficiency.And carbendazim causes residue of pesticide, cause environmental pollution.The single dose control efficiency such as Prochloraz and benzene first propiconazole are poor and cost is high.
At present, a kind of wheat scab prevention and controls harmless to human and livestock health is lacked.
Summary of the invention
The object of this invention is to provide a kind of wheat scab prevention and controls harmless to human and livestock health.
Technical scheme of the present invention is as follows: the invention provides a kind of wheat scab prevention and controls, comprise the steps:
(1) selenium preparation solution is prepared;
(2) at fair weather, the selenium preparation solution spraying above-mentioned concentration at jan flowering wheat spraying apparatus is processed group 1-3 time, and sprays clear water as a control group;
(3) fair weather of 3-5 days after spending, i.e. Early filling stage, sprays selenium preparation solution 1-3 time with spraying apparatus in processed group, and sprays clear water as a control group;
(4) processed group and the expansion rate of clear water control group gibberella in fringe portion is recorded;
(5) record the sick small ear rate spending rear 21-25 days processed group and clear water control group, described sick small ear rate refers to that susceptible spikelet number accounts for the ratio of total spikelet number;
(6) record seed infection rate after results, described seed infection rate refers to that the kernal number of sense head blight accounts for the ratio of total grain number.
Further, in step (1), described selenium preparation is inorganic states sodium selenate solution.
Further, in step (1), described inorganic states sodium selenate solution refers to that concentration is the inorganic states sodium selenate solution of 5-50ppm.
Wheat scab prevention and controls of the present invention is preventing and treating the application in wheat scab.
Beneficial effect: the present invention can delay the expansion rate of head blight in fringe portion significantly, the seed infection rate that effective reduction head blight causes and sick small ear rate, use in right amount and can improve wheat nutritive value, can promote people and plant health again.Overcome head blight fungicide carbendazim can cause residue of pesticide, be harmful to people and animals and can the shortcomings such as gibberella develops immunity to drugs be made.
Tool of the present invention has the following advantages:
(1) the present invention uses sodium selenate solution to spray is a kind of method of preventing and treating wheat scab completely newly, all without report in existing document or patent; This method mainly through delaying the expansion rate of head blight in fringe portion, and then reduces the method overall merit control efficiency of disease small ear rate and reduction seed infection rate; According to existing bibliographical information, the medicaments such as carbendazim can make gibberella develop immunity to drugs, and reduce control efficiency, and mechanism of the present invention are different from carbendazim;
(2) medicament such as carbendazim can cause residue of pesticide, unfavorable to people and animals, and the present invention is within the scope of 5-50ppm safe concentration, can not only delay the expansion rate of head blight in fringe portion, and favourable to people and animals, can play the object that people and animals mend selenium.The medicaments such as carbendazim are not reported the impact that plant itself grows, and have been reported and show that Spraying Se acid sodium solution can extend the green phase of holding of crop, can improve seed resistance and increase yield.
(3) the present invention is by before and after wheat flowering, by the sodium selenate solution of different gradients prepared, at jan flowering wheat, being sprayed onto wheatear portion, carrying out head blight control by delaying head blight in the approach of the expansion rate in fringe portion and reduction seed infection rate.Even if spraying after by rain drop erosion to the sodium selenate in soil, still can be absorbed by wheat root, in wheat body, transform the Organic Selenium that the paired human body of Efficient Conversion is favourable.
(4) there are some researches show that the single dose control efficiency such as Prochloraz are poor and cost is high, and sodium selenate solution allocation is simple and convenient, cost is low.
Embodiment
The present invention is described further in conjunction with specific embodiments.Should be appreciated that, these embodiments only for illustration of object, and are not used in the restriction scope of the invention.
The invention provides a kind of wheat scab prevention and controls, comprise the steps:
(1) selenium preparation solution is prepared; Described selenium preparation is inorganic states sodium selenate solution.Described inorganic states sodium selenate solution refers to that concentration is the inorganic states sodium selenate solution of 5-50ppm.Spray clear water as a control group;
(2) at fair weather, the selenium preparation solution spraying above-mentioned concentration at jan flowering wheat spraying apparatus is processed group 2 times, and sprays clear water in contrast;
(3) fair weather of 3-5 days after spending, i.e. Early filling stage, sprays selenium preparation solution 1-3 time with spraying apparatus in processed group;
(4) processed group and the expansion rate of clear water control group gibberella in fringe portion is recorded;
(5) record the sick small ear rate spending rear 21-25 days processed group and clear water control group, described sick small ear rate refers to that susceptible spikelet number accounts for the ratio of total spikelet number;
(6) record seed infection rate after results, described seed infection rate refers to that the kernal number of sense head blight accounts for the ratio of total grain number.The head blight control efficiency of this invention of overall merit.
Wheat scab prevention and controls of the present invention is preventing and treating the application in wheat scab.
Embodiment 1
The invention provides a kind of wheat scab prevention and controls, comprise the steps:
(1) selenium preparation solution is prepared; Described selenium preparation is inorganic states sodium selenate solution.Described inorganic states sodium selenate solution refers to that concentration is the inorganic states sodium selenate solution of 5ppm.Spray clear water as a control group;
(2) at fair weather, the selenium preparation solution spraying above-mentioned concentration at jan flowering wheat spraying apparatus is processed group 2 times, and sprays clear water in contrast;
(3) fair weather of 3 days after spending, i.e. Early filling stage, sprays selenium preparation solution 1 time with spraying apparatus in processed group;
(4) processed group and the expansion rate of clear water control group gibberella in fringe portion is recorded;
(5) record the sick small ear rate spending latter 21 days processed group and clear water control group, described sick small ear rate refers to that susceptible spikelet number accounts for the ratio of total spikelet number;
(6) record seed infection rate after results, described seed infection rate refers to that the kernal number of sense head blight accounts for the ratio of total grain number.The head blight control efficiency of this invention of overall merit.
Wheat scab prevention and controls of the present invention is preventing and treating the application in wheat scab.
The present invention, under greenhouse experiment, carries out head blight single flower inoculation method inoculated identification to the height sense head blight kind NP516 generally acknowledged at blooming stage, carries out the evaluation of head blight control efficiency under guaranteeing the condition infected gibberella.
The present invention is under greenhouse experiment, single flower inoculation method is utilized to carry out head blight artificial infection to the height sense head blight kind NP516 generally acknowledged at blooming stage, and spraying concentration is the sodium selenate solution of 5ppm after inoculation, guarantee the evaluation carrying out head blight control efficiency under gibberellic hypha infects the condition of the wheat wheat head.After infecting sick small ear rate after 21 days of time that illness occurs, inoculation and results by the visible head blight of the 2nd small ear of next-door neighbour's inoculation small ear after recording inoculation, seed infection rate carrys out the effect of this invention of overall merit, and above-mentioned experiment all clear water group spraying is contrast.Through experimental verification, the result obtained is:
The time that (1) the 2nd sick small ear occurs: this index has reacted the expansion rate of head blight in fringe portion.Clear water spraying control group, after susceptible variety NP516 inoculation, the 2nd sick small ear occurs that naked eyes Visual symptoms needs 5 days, and sodium selenate solution spray is then at 10 days, and difference is p<0.01 extremely significantly.
(2) the inoculation sick small ear rate of latter 21st day: contrast clear water group spraying, the small ear infection rate inoculating latter 21 days is 0.86; And sodium selenate spraying is 0.32, difference is p<0.001 extremely significantly.
(3) seed infection rate after results: the spraying of contrast clear water group, after results, seed infection rate is 0.89, and sodium selenate spraying is 0.17, and difference is p<0.001 extremely significantly.
Embodiment 2
Embodiment 2 is with the difference of embodiment 1:
The invention provides a kind of wheat scab prevention and controls, comprise the steps:
In step (1), inorganic states sodium selenate solution refers to that concentration is the inorganic states sodium selenate solution of 30ppm.Spray clear water as a control group;
In step (2), at fair weather, the selenium preparation solution spraying above-mentioned concentration at jan flowering wheat spraying apparatus is processed group 1 time, and sprays clear water in contrast;
In step (3), the fair weather of 4 days after spending, i.e. Early filling stage, sprays selenium preparation solution 2 times with spraying apparatus in processed group;
In step (5), record the sick small ear rate spending latter 24 days processed group and clear water control group, described sick small ear rate refers to that susceptible spikelet number accounts for the ratio of total spikelet number.
The present invention, under greenhouse experiment, carries out head blight single flower inoculation method inoculated identification to the height sense head blight kind NP516 generally acknowledged at blooming stage, carries out the evaluation of head blight control efficiency under guaranteeing the condition infected gibberella.
The present invention is under greenhouse experiment, single flower inoculation method is utilized to carry out head blight artificial infection to the height sense head blight kind NP516 generally acknowledged at blooming stage, and spraying concentration is the sodium selenate solution of 30ppm after inoculation, guarantee the evaluation carrying out head blight control efficiency under gibberellic hypha infects the condition of the wheat wheat head.After infecting sick small ear rate after 24 days of time that illness occurs, inoculation and results by the visible head blight of the 2nd small ear of next-door neighbour's inoculation small ear after recording inoculation, seed infection rate carrys out the effect of this invention of overall merit, and above-mentioned experiment all clear water group spraying is contrast.Through experimental verification, the result obtained is:
The time that (1) the 2nd sick small ear occurs: this index has reacted the expansion rate of head blight in fringe portion.Clear water spraying control group, after susceptible variety NP516 inoculation, the 2nd sick small ear occurs that naked eyes Visual symptoms needs 5 days, and sodium selenate solution spray is then at 9 days, and difference is p<0.01 extremely significantly.
(2) the inoculation sick small ear rate of latter 24th day: contrast clear water group spraying, the small ear infection rate inoculating latter 21 days is 0.93; And sodium selenate spraying is 0.49, difference is p<0.001 extremely significantly.
(3) seed infection rate after results: the spraying of contrast clear water group, after results, seed infection rate is 0.95, and sodium selenate spraying is 0.27, and difference is p<0.001 extremely significantly.
Embodiment 3
The invention provides a kind of wheat scab prevention and controls, comprise the steps:
In step (1), described selenium preparation is inorganic states sodium selenate solution.Described inorganic states sodium selenate solution refers to that concentration is the inorganic states sodium selenate solution of 50ppm.Spray clear water as a control group;
In step (2), at fair weather, spray the selenium preparation solution 3 times of above-mentioned concentration for processed group at jan flowering wheat with spraying apparatus, and spray clear water in contrast;
In step (3), the fair weather of 5 days after spending, i.e. Early filling stage, sprays selenium preparation solution 1 time with spraying apparatus in processed group;
In step (5), record the sick small ear rate spending latter 25 days processed group and clear water control group.
The present invention, under greenhouse experiment, carries out head blight single flower inoculation method inoculated identification to the height sense head blight kind NP516 generally acknowledged at blooming stage, carries out the evaluation of head blight control efficiency under guaranteeing the condition infected gibberella.
The present invention is under greenhouse experiment, single flower inoculation method is utilized to carry out head blight artificial infection to the height sense head blight kind NP516 generally acknowledged at blooming stage, and spraying concentration is the sodium selenate solution of 50ppm after inoculation, guarantee the evaluation carrying out head blight control efficiency under gibberellic hypha infects the condition of the wheat wheat head.After infecting sick small ear rate after 25 days of time that illness occurs, inoculation and results by the visible head blight of the 2nd small ear of next-door neighbour's inoculation small ear after recording inoculation, seed infection rate carrys out the effect of this invention of overall merit, and above-mentioned experiment all clear water group spraying is contrast.Through experimental verification, the result obtained is:
The time that (1) the 2nd sick small ear occurs: this index has reacted the expansion rate of head blight in fringe portion.Clear water spraying control group, after susceptible variety NP516 inoculation, the 2nd sick small ear occurs that naked eyes Visual symptoms needs 6 days, and sodium selenate solution spray is then at 9 days, and difference is p<0.01 extremely significantly.
(2) the inoculation sick small ear rate of latter 25th day: contrast clear water group spraying, the small ear infection rate inoculating latter 25 days is 1.00; And sodium selenate spraying is 0.62, difference is p<0.001 extremely significantly.
(3) seed infection rate after results: the spraying of contrast clear water group, after results, seed infection rate is 1.00, and sodium selenate spraying is 0.46, and difference is p<0.001 extremely significantly.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and application claims protection domain is defined by appending claims, specification and equivalent thereof.
Claims (4)
1. a wheat scab prevention and controls, is characterized in that comprising the steps:
(1) selenium preparation solution is prepared;
(2) at fair weather, spray above-mentioned selenium preparation solution 1-3 time for processed group at jan flowering wheat with spraying apparatus, and spray clear water as a control group;
(3) fair weather of 3-5 days after spending, i.e. Early filling stage, sprays selenium preparation solution 1-3 time with spraying apparatus in processed group, and sprays clear water as a control group;
(4) processed group and the expansion rate of clear water control group gibberella in fringe portion is recorded;
(5) record the sick small ear rate spending rear 21-25 days processed group and clear water control group, described sick small ear rate refers to that susceptible spikelet number accounts for the ratio of total spikelet number;
(6) record seed infection rate after results, described seed infection rate refers to that the kernal number of sense head blight accounts for the ratio of total grain number.
2. wheat scab prevention and controls according to claim 1, is characterized in that: in step (1), and described selenium preparation is inorganic states sodium selenate solution.
3. wheat scab prevention and controls according to claim 2, is characterized in that: in step (1), and described inorganic states sodium selenate solution refers to that concentration is the inorganic states sodium selenate solution of 5-50ppm.
4. the wheat scab prevention and controls described in any one of claims 1 to 3 is preventing and treating the application in wheat scab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410800333.2A CN104488618B (en) | 2014-12-19 | 2014-12-19 | A kind of wheat scab prevention and controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410800333.2A CN104488618B (en) | 2014-12-19 | 2014-12-19 | A kind of wheat scab prevention and controls |
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| Publication Number | Publication Date |
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| CN104488618A true CN104488618A (en) | 2015-04-08 |
| CN104488618B CN104488618B (en) | 2016-02-24 |
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| CN201410800333.2A Expired - Fee Related CN104488618B (en) | 2014-12-19 | 2014-12-19 | A kind of wheat scab prevention and controls |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106719807A (en) * | 2016-11-30 | 2017-05-31 | 谢松芬 | The compound drug of wheat scab |
| CN108849327A (en) * | 2018-07-14 | 2018-11-23 | 山东省滨州市秋田种业有限责任公司 | A kind of method of the Yellow River and Huai He River north piece wheat-resistance to scab breeding |
| CN110476979A (en) * | 2019-09-05 | 2019-11-22 | 青岛金尔农化研制开发有限公司 | A kind of Recompounded pesticide for preventing and treating wheat scab |
| CN111345185A (en) * | 2020-03-04 | 2020-06-30 | 扬州大学 | Method for inhibiting growth of gibberellin and reducing wheat scab seed toxins and application |
| CN112772675A (en) * | 2020-12-31 | 2021-05-11 | 苏州硒谷科技有限公司 | Selenium inhibitor for preventing and treating wheat scab and preparation and application thereof |
| CN114175953A (en) * | 2020-09-15 | 2022-03-15 | 中国农业大学 | Method for preventing and treating wheat scab based on biochar |
| CN114946884A (en) * | 2022-06-30 | 2022-08-30 | 陕西科技大学 | Nano-selenium probiotic preparation and preparation method and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106719807A (en) * | 2016-11-30 | 2017-05-31 | 谢松芬 | The compound drug of wheat scab |
| CN108849327A (en) * | 2018-07-14 | 2018-11-23 | 山东省滨州市秋田种业有限责任公司 | A kind of method of the Yellow River and Huai He River north piece wheat-resistance to scab breeding |
| CN110476979A (en) * | 2019-09-05 | 2019-11-22 | 青岛金尔农化研制开发有限公司 | A kind of Recompounded pesticide for preventing and treating wheat scab |
| CN111345185A (en) * | 2020-03-04 | 2020-06-30 | 扬州大学 | Method for inhibiting growth of gibberellin and reducing wheat scab seed toxins and application |
| CN114175953A (en) * | 2020-09-15 | 2022-03-15 | 中国农业大学 | Method for preventing and treating wheat scab based on biochar |
| CN114175953B (en) * | 2020-09-15 | 2022-08-02 | 中国农业大学 | Method for preventing and treating wheat scab based on biochar |
| CN112772675A (en) * | 2020-12-31 | 2021-05-11 | 苏州硒谷科技有限公司 | Selenium inhibitor for preventing and treating wheat scab and preparation and application thereof |
| CN114946884A (en) * | 2022-06-30 | 2022-08-30 | 陕西科技大学 | Nano-selenium probiotic preparation and preparation method and application thereof |
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| CN104488618B (en) | 2016-02-24 |
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