CN104886139B - Application of the potassium permanganate in corn top-rotten disease is prevented and treated - Google Patents
Application of the potassium permanganate in corn top-rotten disease is prevented and treated Download PDFInfo
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- CN104886139B CN104886139B CN201510351594.5A CN201510351594A CN104886139B CN 104886139 B CN104886139 B CN 104886139B CN 201510351594 A CN201510351594 A CN 201510351594A CN 104886139 B CN104886139 B CN 104886139B
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- potassium permanganate
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Abstract
The present invention relates to application of the potassium permanganate in corn top-rotten disease is prevented and treated, the application, potassium permanganate concentration is 246 3277ppm, application method is foliar spray or pouring root, it can be used alone, or potassium permanganate is mixed with the soluble-salt containing plant nutrient, or potassium permanganate and combined use of pesticides, prevent and treat corn top-rotten disease significant effect.There is potassium permanganate significant induction of resistance to act on to crop, and by inducing basal resistance, the ability of environment-stress, prevention and the occurrence and development of control corn top-rotten disease are resisted in enhancing.
Description
Technical field
The present invention relates to the new application of potassium permanganate, more particularly to potassium permanganate answering in corn top-rotten disease is prevented and treated
With.
Background technology
Corn top-rotten disease is corn new expression, can be divided into from symptom it is bacillary infect, fungal infections, fungi bacterium mix
Conjunction is infected.
Corn top-rotten disease Symptoms complexity is various, can infect morbidity in corn whole growth period.Wheat seeding is plant
It is slow-growing, blade edge chlorosis, there is yellow streak, leaf malformation, shrinkage or distortion, grave illness strain is withered or death；In growth
Later stage shows as leaf base and rots, only deposits master pulse, and middle and upper part is complete but more lopsided, and rear raw young leaves top is rotted, and causes blade short
It is small, blade tip is withered or incomplete, blade edge often occurs like knife cutting incising and yellow striped for shape；Strain shows as occurring not
To be downgraded with degree, top vane is short and small, tissue is incomplete or gauffer distortion, and basal part of stem internode is short, often there is channel-like cracking of seemingly damaging by worms,
The visible brown stain of vertical section, the slight disease plant later stage can take out male knot fringe, but female fringe is small, how shaky.Susceptible strain root system is undeveloped,
Main root is short, root hair is more and carefully in velvet-like, root cap rots brown stain.
Corn top-rotten disease finds that onset area accounts for the 1/3 of maize sown area then for 1998 first in Liaoning Province Fuxin,
In China, developmenting spread is very fast in recent years, and the state of an illness aggravates year by year, and occurrence scope constantly expands.At present, Jilin, Liaoning, Heilungkiang,
The provinces and cities such as Xinjiang, Gansu, Ningxia, Hebei, Shandong, Henan, Beijing, incidence of disease 5%-34%, local plot be up to 70% with
On.Corn top-rotten disease occurs extensively, and harm is serious, and morbidity strain is had no harvest substantially, and Field diseases are production loss rate, progressively
As the important disease of corn.
At present, the research both at home and abroad to corn top-rotten disease is less, lacks systematic research and effectively preventing measure, morbidity
Mechanism fails to understand that preventing and treating is difficult, and the preventing and treating corn top-rotten disease medicament of implementation is bactericide, fungicide or the two mixing, is carried out
Symptomatic treatment, without obvious prevention effect, it there is no the report of preventing and treating corn top-rotten disease significant effect medicament.
Corn top-rotten disease is classified as ring by inventor by pathogenicity disease first at home by study of incident mechanism for many years
Border coercive disease, by inducing basal resistance, diseased plant resistance against diseases and resistance environment-stress ability are improved, slows down and eliminates disease
The allergy that opportunistic pathogen is led to, facilitate pathogen symbiosis compatible with corn, prevention and the occurrence and development of control corn top-rotten disease,
It is the new discovery of corn top-rotten disease study of incident mechanism and chemical control research, at home and abroad there is not yet relevant report.
The content of the invention
It is an object of the invention to provide the new application of potassium permanganate.
The present invention provides application of the potassium permanganate in the pesticide control of corn top-rotten disease is prepared.
In described application：
The pesticide control contains potassium permanganate.
Preferably, the pesticide control is potassium permanganate, or potassium permanganate and the soluble-salt containing plant nutrient is mixed
Agent, or the mixture of potassium permanganate and agricultural chemicals.
The soluble-salt containing plant nutrient, for containing plant a great number of elements, moderate-element, trace element it is solvable
Property inorganic salts or organic salt.
The agricultural chemicals, it is insecticide, bactericide, plant growth regulator.
The application, application method are foliar spray or pouring root；Concentration is potassium permanganate 246-3277ppm, i.e., 98.3%
- 4000 times of liquid of 300 times of liquid of potassium permanganate；Preferably 281-1966ppm, i.e. 500-3500 times of liquid.
The new application of potassium permanganate provided by the invention has advantages below：
1st, inventor studies through induction of resistance for many years, it is found that potassium permanganate there is very strong induction of resistance to make crop
With by promoting crop active oxygen metabolism, enhancing superoxide dismutase SOD, peroxidase POD are active, improve crop
Basal resistance.
2nd, through corn top-rotten disease study of incident mechanism for many years, find the immediate cause of corn top-rotten disease morbidity is inventor
Bad environmental condition, done harm to for environment-stress venereal disease, the essence of aobvious disease is that bad environmental condition reduces the system of corn and resisted
Characteristic of disease, pathologic disease is induced, show as fungal infection, bacterium infection or fungi bacteria mixed infection, effectively preventing way
Footpath should be induction of resistance.
3rd, compared with the prior art of popularization, the corn top-rotten disease pesticide control carried out at present is fungicide and bactericidal
Agent, prevention effect are very poor.Chameleon PP powder, is strong oxidizer, has killing to a variety of pathomycetes, bacterium, virus etc.
Effect, for preventing and treating a variety of diseases such as samping off, damping-off, droop, root rot, powdery mildew, downy mildew, soft rot, virosis
Evil.The present invention utilizes the resistance inducing activity of potassium permanganate, inducing maize basal resistance, improves disease resistance and resistance, enhancing
The ability of environment-stress is resisted, slows down corn allergy, prevention and the occurrence and development of control corn top-rotten disease, prevention effect
Significantly.
4th, application of the potassium permanganate provided by the invention in corn top-rotten disease is prevented and treated, its application method are the public affairs of this area
Know general knowledge, such as foliar spray, pouring root, drip irrigation, preferably foliar spray.Spraying concentration is generally 300 times of 98.3% potassium permanganate
- 4000 times of liquid of liquid (246-3277ppm), spray amount of liquid medicine 400-600kg/hm2.Prevention corn top rot can be not only sprayed in advance
The generation of disease, and can be treated after corn top-rotten disease generation.Those skilled in the art can adjust use as needed
Amount.
Embodiment
Following examples and experimental example further illustrate present disclosure, but should not be construed as limiting the invention.
In the following examples, the particle size range of all raw materials is unlimited, but in order to meet the mobility of preparation, the uniformity
Needs, preferred size be 0.01-0.99mm raw material components.But it should not be construed as limiting the invention.
In addition, the potassium permanganate used in the present invention is the higher raw material of commercially available purity, purity does not reach 100%, but
It is that other influences will not be produced on prevention effect.
The potassium permanganate of embodiment 1
98.3% potassium permanganate is diluted into -4000 times of liquid of 300 times of liquid, it is 246-3277ppm to be configured to potassium permanganate concentration
Solution, foliage-spray preventing and treating corn top-rotten disease.
2 potassium permanganate of embodiment+potassium sulfate
98.3% potassium permanganate 60g, potassium sulfate 40g are weighed, is well mixed.Mixture preparation is diluted into 300 times of -2000 times of liquid
Liquid, it is configured to the solution that potassium permanganate concentration is 295-1966ppm, foliage-spray preventing and treating corn top-rotten disease.
3 potassium permanganate of embodiment+potassium dihydrogen phosphate
98.3% potassium permanganate 40g, potassium dihydrogen phosphate 60g are weighed, is well mixed.By mixture preparation dilute 250 times of liquid-
1500 times of liquid, it is configured to the solution that potassium permanganate concentration is 262-1573ppm, foliage-spray preventing and treating corn top-rotten disease.
4 potassium permanganate of embodiment+calcium chloride+manganese chloride+copper chloride
98.3% potassium permanganate 40g, calcium chloride 20g, manganese chloride 20g, copper chloride 20g are weighed, is well mixed.By mixture system
Dilution agent -1500 times of liquid of 250 times of liquid, it is configured to the solution that potassium permanganate concentration is 262-1573ppm, foliage-spray preventing and treating corn
Top rot.
5 potassium permanganate of embodiment+copper acetate
98.3% potassium permanganate 70g, copper acetate 30g are weighed, is well mixed.Mixture preparation is diluted into 300 times of -2500 times of liquid
Liquid, it is configured to the solution that potassium permanganate concentration is 275-2294ppm, foliage-spray preventing and treating corn top-rotten disease.
6 potassium permanganate of embodiment+manganese sulfate
98.3% potassium permanganate 50g, manganese sulfate 50g are weighed, is well mixed.Mixture preparation is diluted into 250 times of -2000 times of liquid
Liquid, it is configured to the solution that potassium permanganate concentration is 246-1966ppm, foliage-spray preventing and treating corn top-rotten disease.
7 potassium permanganate of embodiment+carbendazim
98.3% potassium permanganate 50g, 50% carbendazol wettable powder 50g are weighed, is well mixed.Mixture preparation is diluted
- 2000 times of liquid of 250 times of liquid, it is configured to the solution that potassium permanganate concentration is 246-1966ppm, foliage-spray preventing and treating corn top rot
Disease.
8 potassium permanganate of embodiment+potassium dihydrogen phosphate+carbendazim
98.3% potassium permanganate 40g, potassium dihydrogen phosphate 30g, 50% carbendazol wettable powder 30g are weighed, is well mixed.
Mixture preparation is diluted into -1500 times of liquid of 250 times of liquid, is configured to the solution that potassium permanganate concentration is 262-1573ppm, pouring root preventing and treating
Corn top-rotten disease.
9 potassium permanganate of embodiment+imidacloprid
98.3% potassium permanganate 80g, 20% imidacloprid soluble powder agent 20g are weighed, is well mixed.Mixture preparation is diluted
- 3000 times of liquid of 350 times of liquid, it is configured to the solution that potassium permanganate concentration is 262-2247ppm, foliage-spray preventing and treating corn top rot
Disease.
10 potassium permanganate of embodiment+AVM
98.3% potassium permanganate 90g, 1.8% AVM wettable powder 10g are weighed, is well mixed.By mixture preparation
- 3000 times of liquid of 350 times of liquid are diluted, are configured to the solution that potassium permanganate concentration is 295-2528ppm, foliage-spray preventing and treating corn top
Maize ear rot.
Experimental example 1
1 test process
Handle 1-8 for be used alone potassium permanganate, and by its respectively according to 500 times of liquid, 1000 times of liquid, 1500 times of liquid,
The solution that 2000 times of liquid, 2500 times of liquid, 3000 times of liquid, 3500 times of liquid, 4000 times of liquid dilute；Processing 9 is that medicament is compareed " more than 50%
The solvable pulvis of agricultural streptomycin of bacterium spirit wettable powder+72% " (1+1) ck1；Processing 10 is that clear water compares ck0。
2 test methods
Experimental field select in Qingfeng County willow lattice.Corn variety is sliding jade 11,4200 plants/acre of density, waits line-spacing to plant, line-spacing
0.6 meter.Cell is 6 row areas, and row is long 8 meters, plot area 28.8m2.3 repetitions, random district's groups arrangement.The corn typhon mouth phase
Generation top rot, initial diseased plant show disease and start to spray after 3 days, sprayed for 3 days second after first time medication, continuous use 2 times, the
It is secondary spray 5 days after investigate cell incidence.
Grade scale：Healthy tree, normal strain or diseased plant restore normal growth；Diseased plant, diseased plant symptom is shown, is not recovered or not complete
It restore normal growth entirely.
Prevention effect calculation formula is as follows：
Diseased plant rate (%)=diseased plant number/investigation total strain number × 100
Prevention effect (%)=(1-processing diseased plant rate/control diseased plant rate) × 100
3 result of the tests：It is shown in Table 1.
Table 1 prevents and treats corn top-rotten disease result of the test
The result of table 1 shows that the effect of potassium permanganate preventing and treating corn top-rotten disease declines and reduced with concentration.Potassium permanganate 500
Times -2000 times of liquid of liquid (492-1966ppm) prevention effect is 81.7%-87.0%.4000 times of liquid (246ppm) of potassium permanganate
Prevention effect 51.2%, also pole be significantly better than the preventive effect 35.6% of comparison medicament.
Experimental example 2
1 test method
Test process and spraying concentration are shown in Table 2.Wherein, it is respectively the medicament prepared according to embodiment 1-10 to handle 1-10；
Processing 11 is that medicament compares " the solvable pulvis of the agricultural streptomycin of 50% carbendazol wettable powder+72% " (1+1) ck1；Processing 12
50% carbendazol wettable powder (commercially available product) ck is compareed for medicament2；Processing 13 is that medicament 72% agricultural streptomycin of control is solvable
Pulvis (commercially available product) ck3；Processing 14 is that clear water compares ck0。
Corn top-rotten disease early stage, each processing is diluted to the solution foliar spray of the 983ppm containing potassium permanganate.
2 test methods
Test site, method are the same as embodiment 1.
The test process of table 2
3 result of the tests：It is shown in Table 3.
Table 3 prevents and treats corn top-rotten disease result of the test summary sheet
The result of table 3 shows that the potassium permanganate concentration for handling 1-10 is adjusted to 983ppm, foliar spray preventing and treating corn top-rotten disease
Effect be 82.8%-84.8%, without significant difference between each processing, be significantly better than the prevention effect 32.2%- of comparison medicament
35.1%.The other compositions used with each processing, have no significant effect, but can meet farming to the effect for preventing and treating corn top-rotten disease
Other demands.Experimental example 3
1 test process
Processing 1 is 1000 times of liquid foliar sprays of embodiment 1；Processing 2 is 1000 times of liquid irrigating roots of embodiment 1；Handling 3 is
50% carbendazol wettable powder of comparison medicament, 500 times of liquid foliar spray ck1；Processing 4 is that the carbendazim of comparison medicament 50% is wettable
500 times of liquid irrigating root ck of property pulvis2；Processing 5 is that clear water compares ck0。
2 test methods
Experimental field select in Qingfeng County watt home.Corn variety is sliding jade 11,4200 plants/acre of density, waits line-spacing to plant, OK
Away from 0.6 meter.Corn top-rotten disease initial phase, each 3 groups of diseased plant of processing mark, every group 100 plants, dispenser in 3 days once, is total to dispenser 2 times.Leaf
Face spray processing complete stool spray it is even beat, every plant of 250ml of root irrigation.Incidence, efficacy survey are investigated in second of medication after 4 days
And computational methods are the same as embodiment 1.
3 dispenser results：It is shown in Table 4.
Table 4 prevents and treats corn top-rotten disease result of the test
The result of table 4 shows that potassium permanganate foliar spray prevents and treats the effect 84.0% of corn top-rotten disease, is significantly better than pouring root；
Potassium permanganate pouring root prevents and treats the effect 74.7% of corn top-rotten disease, is significantly better than comparison medicament foliar spray or pouring root；Comparison medicine
The prevention effect of agent preventing and treating corn top-rotten disease, foliar spray and pouring root is respectively 35.7%, 32.7%, therebetween without significance difference
It is different.Potassium permanganate foliage-spray significant effect, and saving of labor, province's medicine, are optimal use method.
Although above the present invention is made to retouch in detail with general explanation, embodiment and experiment
State, but on the basis of the present invention, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, are belonged to claimed
Scope.
Claims (4)
1. application of the potassium permanganate in the pesticide control of corn top-rotten disease is prepared, it is characterised in that the pesticide control makes
It is for foliar spray or pouring root with method；
The pesticide control is potassium permanganate, or the mixture of potassium permanganate and the soluble-salt containing plant nutrient, or permanganic acid
The mixture of potassium and agricultural chemicals.
2. application according to claim 1, it is characterised in that the soluble-salt containing plant nutrient is to contain plant
A great number of elements, moderate-element, the soluble inorganic salt or organic salt of trace element.
3. application according to claim 1, it is characterised in that the agricultural chemicals is insecticide, bactericide, plant growth regulating
Agent.
4. application according to claim 1, it is characterised in that the concentration of the foliar spray or pouring root is permanganic acid
Potassium 246-3277ppm.
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| CN105900653A (en) * | 2016-04-25 | 2016-08-31 | 江苏大学 | Green biological method for preventing and treating root rot disease of maize |
| CN107242238B (en) * | 2016-12-12 | 2020-11-10 | 中国农业科学院棉花研究所 | Application of isocyanuric acid in preventing and treating corn top rot |
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Inventor after: Guo Hongfu Inventor after: Liu Yaping Inventor after: Gao Hongze Inventor after: Sun Gangqiang Inventor after: Xue Zhongli Inventor after: Feng Zili Inventor after: Wang Xiangping Inventor after: Hu Yuxiang Inventor after: Chen Luting Inventor after: Liu Xiaofan Inventor after: Guo Hui Inventor after: Wang Qinglian Inventor after: Dong Hongmin Inventor after: Wang Liumei Inventor after: Zhao Ping Inventor after: Yue Zhenguo Inventor after: Qi Xiaoguang Inventor after: Shang Hongyan Inventor after: Yan Shuhua Inventor after: Li Guosheng Inventor after: Su Dongsheng Inventor after: Li Na Inventor after: Zhu Heqin Inventor after: Han Bing Inventor after: Jia Xinghua Inventor after: Wang Suna Inventor after: Wang Zhaoliang Inventor after: Kang Hailin Inventor after: Tang Huijuan Inventor after: Zhang Shujie Inventor after: Guo Hongfu Wang Qinglian Zhu Heqin Sun Huatian Li Zhengdao Cao Yunhui Wang Minqin Hai Ying Liu Yaping Ren party should be high Hongze strong sun Xue fengzili Wang Xiangping Hu Yuxiang Chen Luting Liu Xiaofan neutral Guo Hui Dong Hongmin Wang Liumei Zhao Pingyue Qi Xiaoguang Shang Hongyan Li Guosheng Yan Shu Zhenguo Su Dongsheng Li Na Han Bing Jia Xinghua Wang Suna. Wang Zhaoliang Kang Hailin Tang Huijuan Zhang Shujie Wang Yating Inventor after: Sun Huatian Inventor after: Li Zhengdao Inventor after: Cao Junhui Inventor after: Ren Yingdang Inventor after: Wang Min Inventor after: Qin Haiying Inventor before: Guo Hongfu Inventor before: Feng Zili Inventor before: Wang Xiangping Inventor before: Hu Yuxiang Inventor before: Chen Luting Inventor before: Liu Xiaofan Inventor before: Guo Hui Inventor before: Dong Hongmin Inventor before: Zhao Ping Inventor before: Yue Zhenguo Inventor before: Shang Hongyan Inventor before: Zhu Heqin Inventor before: Yan Shuhua Inventor before: Guo Hongfu Zhu Heqin Sun Huatian Li Zhengdao Cao Yunhui Sun Gangqiang Xue Zhongli Feng Zili Hongze party should be high Wang Xiangping Hu Yuxiang Liu Xiaofan Guo Hui Dong Hongmin Zhao Pingyue Luting Chen Zhenguo Shang Hongyan Yan Shuhua Li Guosheng Inventor before: Sun Huatian Inventor before: Li Zhengdao Inventor before: Cao Junhui Inventor before: Ren Yingdang Inventor before: Gao Hongze Inventor before: Sun Gangqiang Inventor before: Xue Zhongli |
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