CN108887048A - The control method of the late blight of potato and its application - Google Patents
The control method of the late blight of potato and its application Download PDFInfo
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- CN108887048A CN108887048A CN201810912008.3A CN201810912008A CN108887048A CN 108887048 A CN108887048 A CN 108887048A CN 201810912008 A CN201810912008 A CN 201810912008A CN 108887048 A CN108887048 A CN 108887048A
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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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/06—Coating or dressing seed
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Abstract
The invention belongs to technical field of plant protection, control method and its application more particularly, to a kind of late blight of potato.The control method of the late blight of potato includes the following steps in the present invention：(a) it is dressed seed before potato seed is sowed using contact medicament and/or absorbability medicament；(b) in potato seedling stage, contact medicament is sprayed；(c) after late blight occurs, initial stage sprays absorbability medicament, and the later period sprays permeability medicament.This method simple possible, general time reach 90% or more to the preventive effect of late blight, and the plant disease epidemic time reaches 80% or more to the preventive effect of late blight, and control efficiency is significant.
Description
Technical field
The present invention relates to technical field of plant protection, a kind of control method more particularly, to late blight of potato and its answer
With.
Background technique
The late blight of potato is the destructive disease as caused by phytophthora infestans, it can both cause cauline leaf withered spot or withered ahead of time
Extremely, and rotting for field and storage period stem tuber can be caused.Phytophthora infestans are mainly overwintering in sick potato with mycelium,
It is main primary infection inoculum that northern China, which makees zone disease potato, and southern producing region invalid body and susceptible volunteer can also be at
For the primary source of infection in next season.After planting, the mycelium in potato wedge develops sick potato upwards with young shoot and plant, generally relatively wet
Degree continues in condition of 90% or more the, temperature at 10 DEG C or more, and illness easily occurs in leaf portion, forms primary infection focus, then expand biography
It broadcasts.The zoospore part generated on sick leaf is fallen into soil, moreover it is possible to infect the stem tuber being growing.The stem tuber epidermis quilt in harvest
It abrades, the germ spore on soil and cauline leaf can also take advantage of the occasion to invade stem tuber.It loops back and forth like this, aggravates the happening and prevelence of disease.
Will appear during late blight of potato disease control at present will not medication, blindly application or the phenomenon that excessive medication, cannot be very
The good prevention and treatment late blight of potato.
In consideration of it, the present invention is specifically proposed.
Summary of the invention
It is an object of the present invention to provide a kind of control methods of potato, to alleviate existing late blight of potato disease
Prevention and treatment process will not medication, blindly application or the problem of excessive medication, this method is simple and easy, can effectively prevent potato
Late blight.
It is a further object to provide the control methods of the late blight of potato as described above in potato disease
Application in prevention and treatment, control efficiency are significant.
In order to realize above-mentioned purpose of the invention, spy uses following technical scheme：
A kind of control method of the late blight of potato, mainly includes the following steps that：
(a) it is dressed seed before potato seed is sowed using contact medicament and/or absorbability medicament；
(b) in potato seedling stage, contact medicament is sprayed；
(c) after late blight occurs, initial stage sprays absorbability medicament, and the later period sprays permeability medicament.
Preferably, the seed dressing method in the step (a) includes dry mixing or wet-mixing.
Preferably, the dry mixing is to mix medicament and auxiliary agent, then mix with potato seed；
Preferably, the ratio of medicament and auxiliary agent is 1：2-10；
Preferably, the ratio of medicament and auxiliary agent is 1：4-7；
Preferably, the auxiliary agent is talcum powder.
Preferably, the wet-mixing is the medical fluid that medicament is made into 300-500 times, is uniformly sprayed in potato seed；
Preferably, medicament is made into 400-450 times of medical fluid.
Preferably, the contact medicament includes at least one of Mancozeb, Propineb, cyazofamid or fluazinam.
Preferably, the absorbability medicament includes at least one of Propamocarb, iprovalicarb, aliette or metalaxyl.
Preferably, the permeability medicament includes Fluoxastrobin, Fenamidone, morpholine derivative, cymoxanil or fluorine pyridine acyl bacterium
At least one of amine.
Preferably, in the step (b), contact medicament is made into 500-900 times of medical fluid, is sprayed every 7-10 days
Prevention；
Preferably, in contact medicament, using 600-800 times of liquid of 600-800 times of liquid of Mancozeb or Propineb；
Preferably, in contact medicament, using 500-800 times of liquid of 500-800 times of liquid of cyazofamid or fluazinam.
Preferably, in the step (c), absorbability medicament is made into 400-1000 times of medical fluid, and permeability medicament is made into
500-3000 times of medical fluid；
Preferably, in absorbability medicament, using 600-1000 times of liquid of Propamocarb；
Preferably, in absorbability medicament, using 600-800 times of liquid of iprovalicarb；
Preferably, in absorbability medicament, using 500-600 times of liquid of aliette；
Preferably, in absorbability medicament, using 400-600 times of liquid of Metalaxyl-M；
Preferably, in permeability medicament, using 1500-3000 times of liquid of Fluoxastrobin；
Preferably, in permeability medicament, using 1000-2000 times of liquid of Fenamidone；
Preferably, in permeability medicament, using 500-900 times of liquid of morpholine derivative；
Preferably, in permeability medicament, using 1000-2000 times of liquid of cymoxanil；
Preferably, in permeability medicament, using 600-1000 times of liquid of fluopicolide.
Application of the control method of the late blight of potato as described above in potato disease control.
Compared with the prior art, the present invention has the advantages that：
(1) present invention in the late blight of potato control method, potato seed sow before use contact medicament and/or interior suction
Property medicament is dressed seed；In potato seedling stage, contact medicament is sprayed；After late blight occurs, initial stage sprays absorbability medicament, after
Phase sprays permeability medicament.This method is easy to operate, and feasibility is higher, and cost is relatively low, passes through contact medicament, absorbability medicament
With the coordinative role of permeability medicament, the prevention and treatment that can significantly improve the late blight of potato is horizontal.
(2) application of the control method of the late blight of potato in potato disease control is of great significance, and passes through
Control method in the present invention, general time reach 90% or more to the preventive effect of late blight, and the plant disease epidemic time is to late blight
Control efficiency reaches 80% or more, suitable for the late blight of potato prevention and control of disease district occurred frequently, repeating transmission area, significant effect.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person according to normal conditions or manufactures.
A kind of control method of the late blight of potato, mainly includes the following steps that：
(a) it is dressed seed before potato seed is sowed using contact medicament and/or absorbability medicament；
(b) in potato seedling stage, contact medicament is sprayed；
(c) after late blight occurs, initial stage sprays absorbability medicament, and the later period sprays permeability medicament.
The control method of the late blight of potato of the present invention sprays medicament to seed potato before sowing, can delay late blight
Sick disease time；Potato seedling stage, late blight have not occurred, and spray contact medicament, can prevent the generation of late blight, accomplish
Diseases prevention loses disease；After late blight occurs, absorbability medicament is sprayed early period, the later period sprays permeability medicament, passes through absorbability medicament
With the coordinative role for applying permeability medicament, inhibit the propagation of late disease bacteria with there capable of be enough effects；By to seed potato phase, Ma Ling
Potato seedling growth phase and late blight disease hair phase carry out spraying chemical control, and the prevention and treatment that can significantly improve late blight is horizontal.
Preferably, the seed dressing method in the step (a) includes dry mixing or wet-mixing.
Preferably, the dry mixing is to mix medicament and auxiliary agent, then mix with potato seed；
Preferably, the ratio of medicament and auxiliary agent is 1：2-10；
The typical but non-limiting ratio of medicament and auxiliary agent is, for example, 1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9
Or 1:10.
Preferably, the ratio of medicament and auxiliary agent is 1：4-7；
By the ratio of further preferred medicament and auxiliary agent, it can effectively delay the disease time of late blight.
Preferably, the auxiliary agent is talcum powder.
Potato knife is easy to infection germ after cutting, talcum powder has good bactericidal effect, passes through the cooperation with medicament
Effect, can play good sterilizing effect, prevent and treat the generation of late blight.
Preferably, the wet-mixing is the medical fluid that medicament is made into 300-500 times, is uniformly sprayed in potato seed；
Medicament is made into typical but non-limiting for example, 300 times, 350 times, 400 times, 450 times or 500 of multiple of medical fluid
Times.
Preferably, medicament is made into 400-450 times of medical fluid.
By advanced optimizing the concentration of medicament, good late blight preventive and therapeutic effect can be played.
Preferably, the contact medicament includes at least one of Mancozeb, Propineb, cyazofamid or fluazinam.
Mancozeb, Propineb, cyazofamid and the fluazinam that the present invention selects have bactericidal range wide, and low toxicity is not easy to produce
The features such as raw resistance, control efficiency is excellent, can form medicine film on potato tissue surface, inhibit evening by different role site
Epidemic disease bacterium infects, to prevent and treat the late blight of potato well.
Preferably, the absorbability medicament includes at least one of Propamocarb, iprovalicarb, aliette or metalaxyl.
Propamocarb, iprovalicarb, aliette and metalaxyl in the present invention can be by influencing germ cell film, cell wall
Or the ribosomal normal synthesis of interference is to prevent late disease bacteria mycelia intrusion potato leaf or stalk, and to newly longer
Potato leaf plays a protective role.
Preferably, the permeability medicament includes Fluoxastrobin, Fenamidone, morpholine derivative, cymoxanil or fluorine pyridine acyl bacterium
At least one of amine.
Permeability medicament Fluoxastrobin, Fenamidone, morpholine derivative, cymoxanil and the fluopicolide that the present invention uses,
It sterilizes general wide, disease resistance can be increased, the lasting period is long, highly effective and safe, it is possible to reduce germ sporogenesis reduces sporangium vigor
With the effect for inhibiting zoospore to move in the soil, achieve the effect that protect potato aerial part and potato wedge, Neng Gouxian
It writes and improves late blight prevention and treatment level.
Preferably, in the step (b), contact medicament is made into 500-900 times of medical fluid, is sprayed every 7-10 days
Prevention；
Contact medicament be made into medical fluid multiple it is typical but non-limiting be, for example, 500 times, 55 times, 600 times, 650 times,
700 times, 750 times, 800 times, 850 times or 900 times.
Preferably, in contact medicament, using 600-800 times of liquid of 600-800 times of liquid of Mancozeb or Propineb；
Mancozeb medical fluid it is typical but non-limiting be, for example, 600 times of liquid, 650 times of liquid, 700 times of liquid, 750 times of liquid or
800 times of liquid.
Preferably, in contact medicament, using 500-800 times of liquid of 500-800 times of liquid of cyazofamid or fluazinam.
Typical but non-limiting cyazofamid medical fluid is, for example, 500 times of liquid, 550 times of liquid, 600 times of liquid, 650 times of liquid, 700 times
Liquid, 750 times of liquid or 800 times of liquid.
Typical but non-limiting fluazinam medical fluid is, for example, 500 times of liquid, 550 times of liquid, 600 times of liquid, 650 times of liquid, 700 times
Liquid, 750 times of liquid or 800 times of liquid.
Typical but non-limiting Propineb medical fluid is, for example, 600 times of liquid, 650 times of liquid, 700 times of liquid, 750 times of liquid or 800
Times liquid.
Preferably, using 600-800 times of liquid of Mancozeb, 600-800 times of liquid of Propineb, 500-800 times of liquid of cyazofamid and
500-800 times of liquid of fluazinam.
It is understood that step (b) of the invention is that the pre- anti-bacteria of medicament infects：In potato seedling stage, Ma Ling at this time
Potato late blight has not occurred, and sprays 500-800 times of 600-800 times of liquid of Mancozeb, 600-800 times of liquid of Propineb, cyazofamid liquid
Or 500-800 times of liquid of fluazinam, medicine film is formed on potato tissue surface, invading for late disease bacteria is inhibited by different role site
Dye, with the growth of potato plant, carried out spraying prevention every 7-10 days.This step prevents the generation of late blight, accomplishes to prevent
Disease loses disease.
Germ generates resistance in order to prevent, and rotation uses 600-800 times of liquid of Mancozeb, 600-800 times of liquid of Propineb, cyanogen
500-800 times of liquid of 500-800 times of liquid of white azoles and fluazinam, late blight control efficiency is more preferably.
Preferably, in the step (c), absorbability medicament is made into 400-1000 times of medical fluid, and permeability medicament is made into
500-3000 times of medical fluid；
The multiple of absorbability medicament vehicle it is typical but non-limiting be, for example, 400 times, 500 times, 600 times, 700 times,
800 times, 900 times or 1000 times.
Permeability medicament is made into multiple typical but non-limiting for example, 500 times, 600 times, 700 times, 800 of medical fluid
Again, 900 times, 1000 times, 1200 times, 1400 times, 1600 times, 1800 times, 2000 times, 2200 times, 2400 times, 2600 times, 2800
Times or 3000 times.
Preferably, in absorbability medicament, using 600-1000 times of liquid of Propamocarb；
Typical but non-limiting Propamocarb medical fluid is, for example, 600 times of liquid, 650 times of liquid, 700 times of liquid, 750 times of liquid, 800 times
Liquid, 850 times of liquid, 900 times of liquid, 950 times of liquid or 1000 times of liquid.
Preferably, in absorbability medicament, using 600-800 times of liquid of iprovalicarb；
Iprovalicarb medical fluid it is typical but non-limiting be, for example, 600 times of liquid, 650 times of liquid, 700 times of liquid, 750 times of liquid or
800 times of liquid.
Preferably, in absorbability medicament, using 500-600 times of liquid of aliette；
Typical but non-limiting aliette medical fluid is, for example, 500 times of liquid, 520 times of liquid, 540 times of liquid, 560 times of liquid, 580 times
Liquid or 600 times of liquid.
Preferably, in absorbability medicament, using 400-600 times of liquid of Metalaxyl-M；
Typical but non-limiting Metalaxyl-M medical fluid is, for example, 400 times of liquid, 420 times of liquid, 460 times of liquid, 480 times of liquid, 500
Times liquid, 520 times of liquid, 540 times of liquid, 560 times of liquid, 580 times of liquid or 600 times of liquid.
Preferably, absorbability medicament uses 600-1000 times of liquid of Propamocarb, 600-800 times of liquid of iprovalicarb, iprovalicarb
400-600 times of 600-800 times of liquid, 500-600 times of liquid of aliette and Metalaxyl-M liquid.Rotation uses absorbability medicament, anti-to cure the disease
The generation of bacterium drug resistance, late blight control efficiency are significant.
Preferably, in permeability medicament, using 1500-3000 times of liquid of Fluoxastrobin；
Fluoxastrobin medical fluid it is typical but non-limiting be, for example, 1500 times of liquid, 1700 times of liquid, 1900 times of liquid, 2000 times of liquid,
2200 times of liquid, 2400 times of liquid, 2600 times of liquid, 2800 times of liquid or 3000 times of liquid.
Preferably, in permeability medicament, using 1000-2000 times of liquid of Fenamidone；
Typical but non-limiting Fenamidone medical fluid is, for example, 1000 times of liquid, 1100 times of liquid, 1200 times of liquid, 1300 times
Liquid, 1400 times of liquid, 1500 times of liquid, 1600 times of liquid, 1700 times of liquid, 1800 times of liquid, 1900 times of liquid or 2000 times of liquid.
Preferably, in permeability medicament, using 500-900 times of liquid of morpholine derivative；
Morpholine derivative medical fluid it is typical but non-limiting be, for example, 500 times of liquid, 550 times of liquid, 600 times of liquid, 650 times of liquid,
700 times of liquid, 750 times of liquid, 800 times of liquid, 850 times of liquid or 900 times of liquid.
Preferably, in permeability medicament, using 1000-2000 times of liquid of cymoxanil；
Cymoxanil medical fluid it is typical but non-limiting be, for example, 1000 times of liquid, 1100 times of liquid, 1200 times of liquid, 1300 times of liquid,
1400 times of liquid, 1500 times of liquid, 1600 times of liquid, 1700 times of liquid, 1800 times of liquid, 1900 times of liquid or 2000 times of liquid.
Preferably, in permeability medicament, using 600-1000 times of liquid of fluopicolide.
Fluopicolide medical fluid it is typical but non-limiting be, for example, 600 times of liquid, 650 times of liquid, 700 times of liquid, 800 times of liquid,
850 times of liquid, 900 times of liquid, 950 times of liquid or 1000 times of liquid.
It is understood that step (c) of the invention is medicament protection treatment：After there is late blight scab in field,
Initial stage select 600-1000 times of liquid of absorbability medicament Propamocarb, 600-800 times of liquid of iprovalicarb, 500-600 times of liquid of aliette or
400-600 times of liquid of Metalaxyl-M is sprayed, by influence germ cell film, cell wall or interference it is ribosomal it is normal synthesis from
And late disease bacteria mycelia intrusion potato leaf or stalk are prevented, and play a protective role to newly longer potato leaf；
Later period on the basis of selecting absorbability medicament, further selects 1500-3000 times of liquid of permeability medicament Fluoxastrobin, Fenamidone
1000-2000 times of liquid, 500-900 times of liquid of morpholine derivative, 1000-2000 times of liquid of cymoxanil or 600-1000 times of fluopicolide
Liquid is treated, and the work for reducing germ sporogenesis, reducing sporangium vigor, zoospore being inhibited to move in the soil is played
With having achieved the effect that protect potato aerial part and potato wedge, it is horizontal to significantly improve late blight prevention and treatment.
Preferably, permeability medicament is spread out using 1500-3000 times of liquid of Fluoxastrobin, 1000-2000 times of liquid of Fenamidone, morpholine
600-1000 times of biological 500-900 times of liquid, 1000-2000 times of liquid of cymoxanil and fluopicolide liquid.To prevent germ drug resistance
Generation, rotation uses permeability medicament, and late blight control efficiency is preferable.
It is preferably carried out in scheme in one kind, the control method of the late blight of potato includes the following steps：
(a) it is dressed seed before potato seed is sowed using contact medicament and/or absorbability medicament；Seed dressing method is divided into dry mixing
And wet-mixing, dry mixing are by medicament and auxiliary agent with 1:The ratio of 2-10 mixes, then sows after mixing with potato seed；Wet-mixing is to match medicament
It at 300-500 times of medical fluid, is uniformly sprayed in the potato seed cut, mixes thoroughly and is sowed after drying；
(b) in potato seedling stage, 500-900 times of liquid of contact medicament was sprayed every 7-10 days；
(c) after late blight occurs, initial stage sprays 400-1000 times of liquid of absorbability medicament, and the later period sprays permeability medicament 500-
3000 times of liquid.
Application of the control method of the late blight of potato as described above in potato disease control.
The control method of the late blight of potato in the present invention infects rule according to potato plant growth period and late blight
Rule, the fungicide of scientifical use different role mechanism can effectively delay late blight disease time, and the general time is to late blight
Preventive effect reaches 90% or more, and the plant disease epidemic time reaches 80% or more to the control efficiency of late blight, and late blight control efficiency is aobvious
It writes.
Below with reference to specific embodiment and comparative example, the present invention will be further described.
Embodiment 1
A kind of control method of the late blight of potato, mainly includes the following steps that：
(a) it is dressed seed before potato seed is sowed using dry mixing method, by Mancozeb and talcum powder with 1：2 ratio is mixed
It is even, then sowed after being mixed with potato seed；
(b) in potato seedling stage, 600 times of liquid of Propineb were sprayed every 7 days；
(c) after late blight occurs, initial stage sprays 600 times of liquid of Propamocarb, and the later period, which sprays, seeps 1500 times of liquid of Fluoxastrobin.
Embodiment 2
A kind of control method of the late blight of potato, mainly includes the following steps that：
(a) it is dressed seed before potato seed is sowed using dry mixing method, by cyazofamid and talcum powder with 1：10 ratio mixes,
It is sowed after being mixed again with potato seed；
(b) in potato seedling stage, 600 times of liquid of Mancozeb were sprayed every 7 days；
(c) after late blight occurs, initial stage sprays 1000 times of liquid of Propamocarb, and the later period, which sprays, seeps 3000 times of liquid of Fluoxastrobin.
Embodiment 3
A kind of control method of the late blight of potato, mainly includes the following steps that：
(a) it is dressed seed before potato seed is sowed using dry mixing method, by fluazinam and talcum powder with 1：3 ratio mixes,
It is sowed after being mixed again with potato seed；
(b) in potato seedling stage, 800 times of liquid of Propineb were sprayed every 8 days；
(c) after late blight occurs, initial stage sprays 500 times of liquid of aliette, and the later period, which sprays, seeps 3000 times of liquid of Fluoxastrobin.
Embodiment 4
A kind of control method of the late blight of potato, mainly includes the following steps that：
(a) it is dressed seed before potato seed is sowed using dry mixing method, by cyazofamid and talcum powder with 1：8 ratio mixes,
It is sowed after being mixed again with potato seed；
(b) in potato seedling stage, 500 times of liquid of cyazofamid were sprayed every 8 days；
(c) after late blight occurs, initial stage sprays 600 times of liquid of aliette, and the later period sprays infiltration and applies 1000 times of liquid of cymoxanil.
Embodiment 5
A kind of control method of the late blight of potato, mainly includes the following steps that：
(a) it is dressed seed before potato seed is sowed using dry mixing method, by Metalaxyl-M and talcum powder with 1：4 ratio is mixed
It is even, then sowed after being mixed with potato seed；
(b) in potato seedling stage, 500 times of liquid of fluazinam were sprayed every 9 days；
(c) after late blight occurs, initial stage sprays 400 times of liquid of Metalaxyl-M, and the later period sprays infiltration and applies 2000 times of liquid of cymoxanil.
Embodiment 6
A kind of control method of the late blight of potato, mainly includes the following steps that：
(a) it is dressed seed before potato seed is sowed using dry mixing method, by aliette and talcum powder with 1：7 ratio mixes,
It is sowed after being mixed again with potato seed；
(b) in potato seedling stage, 800 times of liquid of fluazinam were sprayed every 10 days；
(c) after late blight occurs, initial stage sprays 600 times of liquid of Metalaxyl-M, and the later period sprays 600 times of liquid of fluopicolide.
Embodiment 7
A kind of control method of the late blight of potato, mainly includes the following steps that：
(a) it is dressed seed before potato seed is sowed using wet-mixing method, aliette is made into 300 times of medical fluids, is uniformly sprayed at
In the potato seed cut, mixes thoroughly and sowed after drying；
(b) in potato seedling stage, 600 times of liquid of Mancozeb, Propineb 800 times of liquid, cyazofamids are sprayed every rotation in 7 days
800 times of liquid of 500 times of liquid and fluazinam.
(c) after late blight occurs, initial stage rotation sprays 600 times of liquid of Propamocarb, 600- times of liquid of iprovalicarb, aliette 500
Times 400 times of liquid of liquid and Metalaxyl-M, later period rotation spray 1500 times of liquid of Fluoxastrobin, Fenamidone 1000 times of liquid, morpholine derivatives
500 times of liquid, 1000 times of liquid of cymoxanil and fluopicolide 600.
Embodiment 8
A kind of control method of the late blight of potato, mainly includes the following steps that：
(a) it is dressed seed before potato seed is sowed using wet-mixing method, Mancozeb is made into 500 times of medical fluids, uniformly sprayed
In the potato seed cut, mixes thoroughly and sowed after drying；
(b) in potato seedling stage, 800 times of liquid of Mancozeb, Propineb 600 times of liquid, cyazofamids are sprayed every rotation in 7 days
500 times of liquid of 800 times of liquid and fluazinam.
(c) after late blight occurs, initial stage rotation sprays 600 times of liquid of Propamocarb, 600- times of liquid of iprovalicarb, aliette 500
Times 400 times of liquid of liquid and Metalaxyl-M, later period rotation spray 1500 times of liquid of Fluoxastrobin, Fenamidone 1000 times of liquid, morpholine derivatives
600 times of 500 times of liquid, 1000 times of liquid of cymoxanil and fluopicolide liquid.
Comparative example 1
A kind of control method of the late blight of potato, unlike the first embodiment, implementation steps (a).
Comparative example 2
A kind of control method of the late blight of potato, as different from Example 2, implementation steps (b).
Comparative example 3
A kind of control method of the late blight of potato, as different from Example 3, implementation steps (c).
Comparative example 4
A kind of control method of the late blight of potato, includes the following steps：
(a) it is dressed seed before potato seed is sowed using dry mixing method, by cyazofamid and talcum powder with 1：12 ratio mixes,
It is sowed after being mixed again with potato seed；
(b) in potato seedling stage, 300 times of liquid of cyazofamid were sprayed every 8 days；
(c) after late blight occurs, initial stage sprays 400 times of liquid of aliette, and the later period sprays infiltration and applies 3500 times of liquid of cymoxanil.
As different from Example 4, the concentration of all medicaments is not within scope of protection of the present invention.
Test example
Method in embodiment and comparative example is applied to potato disease district occurred frequently, detects general time and plant disease epidemic
The control efficiency of the time late blight of potato, as shown in Table 1.
The control efficiency of one late blight of potato of table
| Embodiment and comparative example | The preventive effect (%) in general time | The preventive effect (%) in plant disease epidemic time |
| Embodiment 1 | 91.12 | 81.25 |
| Embodiment 2 | 91.24 | 82.36 |
| Embodiment 3 | 92.87 | 82.44 |
| Embodiment 4 | 93.34 | 83.66 |
| Embodiment 5 | 94.56 | 84.76 |
| Embodiment 6 | 94.37 | 84.43 |
| Embodiment 7 | 96.24 | 86.82 |
| Embodiment 8 | 97.28 | 87.19 |
| Comparative example 1 | 65.19 | 55.43 |
| Comparative example 2 | 61.45 | 51.33 |
| Comparative example 3 | 60.52 | 50.27 |
| Comparative example 4 | 70.00 | 59.28 |
As can be seen from table 1, the control method of the late blight of potato of embodiment 1-8 has significant control efficiency.It is right
In the general time, the preventive effect of the late blight of potato reaches 90% or more, and for the epiphytolosy time, the late blight of potato is prevented
Effect reaches 80% or more.And used by using the rotation of same category variety classes medicament, the prevention and treatment level of late blight into
One step improves.
As can be seen from table 1, prevented and treated using the control method of the late blight of potato of comparative example 1-4, effect compared with
Difference, the late blight preventive effect in general time are 60-70%, and the late blight preventive effect of plant disease epidemic phase is 50-60%；Wherein, comparative example 1
Only seed potato is administered, comparative example 2 only sprays medicament to potato set, and comparative example 3 is only to the late blight disease hair phase
Potato sprays medicament, and the preventive effect of the control method of Comparison study example 1, comparative example 2 and comparative example 3, the late blight of potato is lower,
It follows that for seed potato phase, potato seedling stage and late blight disease the hair phase individually to prevent and treat the effect having poor, and
Using the control method in the present invention, medicament is implemented to three periods, by the mating reaction of the medicament of different role mechanism,
Significant control efficiency could be obtained；The concentration of each medicament is not within scope of protection of the present invention in comparative example 4, horse
The preventive effect of bell potato late blight is lower, it follows that drug concentration in scope of protection of the present invention, can have significantly
Control efficiency.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that：Its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of control method of the late blight of potato, which is characterized in that mainly include the following steps that：
(a) it is dressed seed before potato seed is sowed using contact medicament and/or absorbability medicament；
(b) in potato seedling stage, contact medicament is sprayed；
(c) after late blight occurs, initial stage sprays absorbability medicament, and the later period sprays permeability medicament.
2. the control method of the late blight of potato according to claim 1, which is characterized in that mixing in the step (a)
Kind method includes dry mixing or wet-mixing.
3. the control method of the late blight of potato according to claim 2, which is characterized in that the dry mixing be by medicament with
Auxiliary agent mixes, then mixes with potato seed；
Preferably, the ratio of medicament and auxiliary agent is 1：2-10；
Preferably, the ratio of medicament and auxiliary agent is 1：4-7；
Preferably, the auxiliary agent is talcum powder.
4. the control method of the late blight of potato according to claim 2, which is characterized in that the wet-mixing is to match medicament
At 300-500 times of medical fluid, uniformly it is sprayed in potato seed；
Preferably, medicament is made into 400-450 times of medical fluid.
5. the control method of the late blight of potato according to claim 1, which is characterized in that the contact medicament includes
At least one of Mancozeb, Propineb, cyazofamid or fluazinam.
6. the control method of the late blight of potato according to claim 1, which is characterized in that the absorbability medicament includes
At least one of Propamocarb, iprovalicarb, aliette or metalaxyl.
7. late blight of potato control method according to claim 1, which is characterized in that the permeability medicament includes phonetic
At least one of bacterium ester, Fenamidone, morpholine derivative, cymoxanil or fluopicolide.
8. the control method of the late blight of potato according to claim 1, which is characterized in that in the step (b), contact
Property medicament is made into 500-900 times of medical fluid, carries out spraying prevention every 7-10 days；
Preferably, in contact medicament, using 600-800 times of liquid of 600-800 times of liquid of Mancozeb or Propineb；
Preferably, in contact medicament, using 500-800 times of liquid of 500-800 times of liquid of cyazofamid or fluazinam.
9. the control method of the late blight of potato according to claim 1, which is characterized in that in the step (c), interior suction
Property medicament is made into 400-1000 times of medical fluid, and permeability medicament is made into 500-3000 times of medical fluid；
Preferably, in absorbability medicament, using 600-1000 times of liquid of Propamocarb；
Preferably, in absorbability medicament, using 600-800 times of liquid of iprovalicarb；
Preferably, in absorbability medicament, using 500-600 times of liquid of aliette；
Preferably, in absorbability medicament, using 400-600 times of liquid of Metalaxyl-M；
Preferably, in permeability medicament, using 1500-3000 times of liquid of Fluoxastrobin；
Preferably, in permeability medicament, using 1000-2000 times of liquid of Fenamidone；
Preferably, in permeability medicament, using 500-900 times of liquid of morpholine derivative；
Preferably, in permeability medicament, using 1000-2000 times of liquid of cymoxanil；
Preferably, in permeability medicament, using 600-1000 times of liquid of fluopicolide.
10. application of the control method of the described in any item late blights of potato of claim 1-9 in potato disease control.
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| CN110178852A (en) * | 2019-06-13 | 2019-08-30 | 重庆领直航科技有限公司 | The late blight of potato prevention and treatment composite drug and its application method |
| CN112021335A (en) * | 2020-09-10 | 2020-12-04 | 重庆大学 | Method for preventing and treating plant oomycete diseases by combining biological pesticide and chemical pesticide |
| CN112314282A (en) * | 2020-10-13 | 2021-02-05 | 中国农业科学院植物保护研究所 | Green prevention and control method for potato late blight |
| CN112753715A (en) * | 2021-02-22 | 2021-05-07 | 东北农业大学 | Microbial preparation for preventing and treating potato late blight and application thereof |
| CN113994804A (en) * | 2021-11-01 | 2022-02-01 | 恩平市农业技术推广服务中心 | Potato balanced fertilization expert system is made in winter based on target output |
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| CN112753715A (en) * | 2021-02-22 | 2021-05-07 | 东北农业大学 | Microbial preparation for preventing and treating potato late blight and application thereof |
| CN113994804A (en) * | 2021-11-01 | 2022-02-01 | 恩平市农业技术推广服务中心 | Potato balanced fertilization expert system is made in winter based on target output |
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