CN105284944A - Method for controlling sugarcane red rot - Google Patents
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- CN105284944A CN105284944A CN201510805985.XA CN201510805985A CN105284944A CN 105284944 A CN105284944 A CN 105284944A CN 201510805985 A CN201510805985 A CN 201510805985A CN 105284944 A CN105284944 A CN 105284944A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention belongs to the technical field of plant protection, and specifically discloses a method for controlling sugarcane red rot. The method comprises three steps: (1) disinfecting soil; (2) processing seed and stem; (3) spraying pesticide. Soil disinfection, seed and stem processing, and pesticide spraying are carried out to control the pathogen and propagation of sugarcane red rot, and thus the sugarcane red rot is well controlled. The provided method for controlling sugarcane red rot can well control sugarcane red rot, reduces the harms of red rot to sugarcane during the growth process, and largely reduces the using amount and application frequency of chemical pesticide.
Description
Technical field
The invention belongs to plant protection technology field, be specially a kind of method of preventing and treating red rot of sugar cane.
Background technology
Red rot of sugar cane is one of Sugarcane Disease of knowing the earliest of people, and in the world, each sugarcane producing region generally occurs, and mostly occurs at sugarcane late growth stage.Mainly cause harm blade, leaf sheath, stem root, wherein stem, leaf are injured heavily.Blade is caught an illness and on middle arteries and veins, is produced small red dot at first, after be diffused as fusiformis spot, scab surrounding reddish black, middle part yellow-white, on it tool dispersion pore, the bristle namely germ aceravlus produced.Leaf sheath is caught an illness and is begun to show red atypic large spot, after gradually become yellow-white, surface also raw red small-sized scab between sick sheath adjacent segments sometimes.Stem catches an illness on vascular bundle fusiform small red dot, rear red point expands gradually, internode tissue becomes kermesinus, scattered small particles in the middle of scab, and the later stage, stem inner tissue was withered sagging, some aerial myceliums or red I with aceravlus, the state of an illness tarnishes to the epidermis of stem after external diffusion, and produce obvious illness, sick subordinate is hidden, withered, black small grain point is born, i.e. the aceravlus of pathogen on slough surface.
The cause of disease of red rot of sugar cane is sickle spore anthrax-bacilus, Classification system:
colletotrichumfalcatumWent, belong to Deuteromycotina fungi, cause of disease aceravlus black, diameter 35 ~ 100 μm.Conidiophore unit cell is colourless, oval to oblong, raw in aceravlus.The nearly sickleshaped of conidium, unit cell, look shallow, without barrier film, includes shot-like particle and oil drop, normal tool large vacuole, and when conidium is intensive, pinkiness is to orange red.Bristle is assorted raw in conidiophore.Chlamydospore is not positive circular, brownish black, interior oily globule.This bacterium often mutates, and forms a lot of form microspecies and biological strain.Germ survives the winter in sugarcane kind and sugarcane strain disease portion with mycelia, conidium and chlamydospore, is the main primary source of infection of this disease.Conidium on sick leaf and chlamydospore are the important bacterium sources of superinfection then, and spore borrows wind and rain, mist, dew, insect and flowing water to propagate, and germ invades primarily of wound.Snout moth's larva and plant hopper are caused harm heavy susceptible disease, and Winter-Spring cultivation of sugar cane soil's being over wet in season or meta-acid, when sugarcane sprout growth is suppressed, morbidity is heavy.Infect the sugarcane kind germination rate after red rot, root system length, sugarcane stem length, the diameter of a cross-section of a tree trunk 1.3 meters above the ground, sugarcane stem weight, sugar content and purity etc. to reduce all in various degree.In addition, the harm of sugarcane moth borer is conducive to intrusion and the harm of red rot of sugar cane, combines the sugarcane underproduction caused even more serious by sugarcane moth borer and red rot bacterium.
Traditional prevention and controls have following some: disease-resistant variety of 1, choosing seeds, as Guangdong sugar 71-359 and Guangdong sugar 63-237 etc., adopt anosis and without borer pest sugarcane kind.2. first sugarcane kind is placed in 52 DEG C of hot water leaching 20 ~ 30mim, then moves into 50% carbendazol wettable powder, 1000 times of liquid or the special wetting powder of 50% benzene Lay 400 ~ 500 times of liquid.3. to nip in the bud snout moth's larva.4., after harvesting sugarcane, in time diseased plant, sick leaf are burnt.
Above method 3 and method 4 can not tackle the problem at its root, the preventive effect of conventional dose to red rot of sugar cane that method 2 uses is very poor, and can not ensure that sugarcane is not by superinfection, and Long-Time Service chemicals treatment, add that peasant household adds privately when medication, add excessively other medicament, not only make drug cost increase substantially, the loss of agricultural chemicals is serious, and also can pollute environment, and then have influence on the physical and mental health of people.The domestic effective prevention and controls that there is no red rot, is preventing and treating in red rot of sugar cane at present, how effectively to carry out the generation preventing and treating red rot of sugar cane, and reducing chemical pesticide simultaneously and use, is the problem that people constantly study always.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the object of this invention is to provide a kind of method of preventing and treating red rot of sugar cane, utilize the method can the generation of effectively preventing red rot of sugar cane, reduce the harm of red rot in sugarcane production process, reduce usage amount and the access times of chemical pesticide.
For realizing object of the present invention, adopt following technical scheme:
Prevent and treat a method for red rot of sugar cane, it is characterized in that: described method comprises following 3 aspects:
(1) soil disinfection: select the fine day that temperature is high, illumination is good soil leveling to be poured water, the relative moisture of soil is made to remain on 60% one 85%, after pouring water after 2-3 days, evenly spread fertilizer over the fields calcium cyanamide, applied amount is 40-60 kg/acre, afterwards soil is once ploughed deeply, calcium cyanamide particle is fully contacted with soil, covers vexed native 10-12 days with transparent membrane, then take off film ventilated, plowed soils wholely, can plant for more than 10 days by airing;
(2) plant stem process: by Difenoconazole 10% water dispersible granules 4000-5000 times of liquid, 43% tebuconazole suspension concentrates 3000-4000 times liquid and Fructus Schisandrae Chinensis extractive solution 30-50 times liquid, after 2:2:3 mixture, put into sugarcane kind, and seed soaking 10h, dries, for subsequent use;
(3) medicine liquid spray: when sugarcane does not fall ill or disease shows preliminary symptom, prevent and treat with medicine based on herbs 150-220 times liquid and 0.36% matrine 800 times of liquid ~ 1000 times liquid liquid that 2:1 obtains after mixing by weight, liquid is evenly sprayed on cane stalk and blade tow sides, dispenser temperature is 20-28 DEG C, and dispenser humidity is 40-50%.
The above-mentioned method of preventing and treating red rot of sugar cane, (2) plant in stem process, the preparation method of described Fructus Schisandrae Chinensis extractive solution is: the Schisandra sphenanthera Rehd.et WilS of getting a certain amount of drying, add the ethanol of 95% of 8-10 times amount, heating and refluxing extraction 3 times, each 1-1.5h, merging filtrate, can obtain Fructus Schisandrae Chinensis extractive solution.
The above-mentioned method of preventing and treating red rot of sugar cane, in (3) medicine liquid spray, the preparation method of described medicine based on herbs is: the polygonum flaccidum 8-12 part of getting parts by weight; Garlic 10-13 part; Wintercherry 13-16 part; Mother chrysanthemum 10-15 part and washing powder 0.1-0.3 part for subsequent use, then polygonum flaccidum, garlic, wintercherry and mother chrysanthemum are smashed, add 10-12 water doubly by whole dose weight, after boiling 1-1.5 hour, filter, get filtrate, then add the washing powder of above-mentioned parts by weight, stir, can obtain.
The above-mentioned method of preventing and treating red rot of sugar cane, in (3) medicine liquid spray, prevents and treats with liquid, when sugarcane does not fall ill, sprays 1 liquid every 9-10 days; When Sugarcane Disease shows preliminary symptom, sprayed 1 liquid every 4-5 days; In sugarcane production process, times for spraying is 2-3 time.
Of the present inventionly show preliminary symptom at Sugarcane Disease and be: blade produces small red dot at first on middle arteries and veins, or red atypic large spot appears in leaf sheath, or stem's dye vascular bundle has the illness of fusiform small red dot.
In soil disinfection of the present invention, calcium cyanamide used is the mixture be made up of nitrolim, calcium oxide and other insoluble impuritiess, in grey black, has off-odor, is a kind of alkaline fertilizer, is also one of primary raw material of high-efficiency low-toxicity carbendazim agricultural chemicals; Effectively can prevent and treat the multiple soil-borne disease caused by disease fungus, bacterium and nematode to disinfecting soil with calcium cyanamide.Can supply plant nitrogen simultaneously, reduce Nitrate Accumulation, Promoting plant growth, be a kind of soil disinfection method of environment-friendly type.The present invention, by using calcium cyanamide to disinfecting soil, effectively kills various nematode, germ, soil insect etc. in soil, decreases the damage by disease and insect of acrial part, thus effectively prevent the generation of red rot of sugar cane.
In the present invention, sugarcane kind stem is processed, Difenoconazole used is that in triazole bactericidal agent, safety is higher, be widely used in the crop such as fruit tree, vegetables, fungicidal spectrum is wide, to Ascomycetes, Basidiomycetes and comprise Alternaria, Ascochyta, the mould genus of tail spore, Colletotrichum, ball Cuo Pseudomonas, Phoma, Ramularia, Septoria, Venturia partly know disease, Erysiphaceae, Uredinales and some Seedborne pathogen have lasting protection and therapeutic action; With Difenoconazole, output and the guaranteed quality that leaf surface treatment or seed treatment can improve crop is carried out to crop.Tebuconazole used belongs to triazole bactericidal agent; can the multiple rust of effectively preventing cereal crop, powdery mildew, net blotch, root rot, head blight, smut and plant and pass zonate spot, tea tree tea gall; sigatoka etc.; fungicidal spectrum is wide; active high, interior absorption is strong, and the lasting period is long; have protection, therapeutic action, Tebuconazole has good inhibitory action to red rot of sugar cane germ mycelial growth.
Fructus Schisandrae Chinensis extractive solution used, be get dry Schisandra sphenanthera Rehd.et WilS with 95% alcohol extract obtain, Schisandra sphenanthera Rehd.et WilS is the dry mature fruit of magnoliaceae schisandra Schisandrachinensis (Turcz.) Baill..The chemical composition of Schisandra sphenanthera Rehd.et WilS has schizandrin (schizandrin), deoxyschisandrin (de-oxyschizandrin), the new element of son simply (neoschizandrin), schisandrol (schizan-drol), schisantherin (schisantherin, gomisin) etc.The immersion liquid of Schisandra sphenanthera Rehd.et WilS ethanol all has inhibitory action to bacillus anthracis, staphylococcus aureus, staphylococcus albus, typhoid bacillus, comma bacillus etc. in vitro, the alcohol extract of Schisandra sphenanthera Rehd.et WilS has stronger suppression and bactericidal action to plant pathogenic fungi, its mechanism of action is mainly manifested in and suppresses spore rudiment or produce noxious material to kill spore, suppress mycelial growth or destroy mycelial structure, and produce distortion deformity, branch aggravates, there are vesica, swelling, collapse ablation, thus make pathogene lose infection ability.
The present invention adopts kind of a method for stem process, liquid used is by Difenoconazole 10% water dispersible granules 4000-5000 times of liquid, the liquid that 43% tebuconazole suspension concentrates 3000-4000 times liquid and Fructus Schisandrae Chinensis extractive solution 30-50 times liquid are mixed to get, agriculture chemicals fungicide is combined with there being inhibiting Chinese medicine extract to germ, not only can not have influence on their wherein any one the property of medicine, also good bactericidal action is played to the pathogen of red rot of sugar cane, by these three kinds of pharmaceutical agent combinations, the control efficiency of its best effectively can be played.
In medicine liquid spray of the present invention, medicine based on herbs used adds washing powder and obtains after polygonum flaccidum, garlic, wintercherry and mother chrysanthemum being smashed and adding water boil, wherein garlic AlliumsativumL.(Garlic) belong to Liliaceae allium, in garlic, sulfur-containing compound has strong antibacterial and anti-inflammation functions, all has suppression and killing action to multiple coccus, bacillus, fungi and virus etc.Polygonum flaccidum (PolygonumhydropiperL.) belongs to the annual herb plant of polygonaceae (Polygonaceae) Polygonum (PolygonumL.), it is a kind of Chinese traditional herbs of China, polygonum flaccidum is to insect, such as looper, cutworm etc., there is very strong food refusal, deterrent effect, be developed as a kind of novel vegetable insecticide.Wintercherry (Latin literary fame: PhysalialkekengiL.) has another name called groundcherry, franchet groundcherry persistent calyx or fruit, Ge Li, Chinese lantern, cape gooseberry, Lip river cornea, glabrous crazyweed herb, terrible lamp etc., the herb of [medicinal part] wintercherry.Wintercherry complete stool can prepare insecticide.Wintercherry has heat-clearing, removing toxic substances, diuresis, step-down, cardiac stimulant, the function such as antibacterial.Wintercherry decoction has inhibitory action to Song Nei Shi bacillus, wintercherry antibiotic effective ingredient is tentatively thought at oily liquid, this part has inhibitory action to Pseudomonas aeruginosa, staphylococcus aureus in vitro, and the brilliant mother liquor of the needle-like proposed from wintercherry has inhibitory action to staphylococcus aureus.And wintercherry decoction has certain bacteriostasis to fungal disease, the growth of mycelia and the sprouting of spore can be suppressed.
Mother chrysanthemum (formal name used at school: Dendranthemaindicum) is composite family herbaceos perennial, mother chrysanthemum cold nature, tool dispelling wind and heat from the body, subdhing swelling and detoxicating.Mother chrysanthemum is containing various active compositions such as alantol, yejuhua lactone, amino acid, trace elements.Its aqueous extract has obvious protective effect to cardiovascular system, can improve cardiac output, increases myocardial oxygen delivery amount, the normal physiological function of protection ischemic myocardium.The blue-green volatile oil of mother chrysanthemum water extract and extraction by steam distillation is killed or inhibit activities various pathogens, virus, and the inhibit activities of water extract to staphylococcus aureus, shigella dysenteriae, Escherichia coli, typhoid bacillus etc. is better than volatile oil; And have anti-inflammatory, anti-oxidant, analgesic activities.The washing powder that the present invention adds in the liquid made can play the effect of wetting agent, add washing powder in the solution, the surface tension of solution can be reduced, increase the contact area on liquid and blade face, improve medicinal effects, the effect that the epidermis that washing powder water can also hurt insect makes it dewater.The advantages of nontoxic raw materials that medicine based on herbs of the present invention is used, nuisanceless, production method is simple, cost is low, easy to use, in raw material used, all there is good inhibitory action to germ, make medicine based on herbs not only very strong to the bactericidal action of the pathogen of red rot of sugar cane, also have very large preventive and therapeutic effect to the insect pest such as looper, cutworm simultaneously.
Beneficial effect of the present invention is:
1, the present invention is by using calcium cyanamide to disinfecting soil, the various nematodes in soil, germ and soil insect are effectively killed, reduce the damage by disease and insect of acrial part, to the effect serving effectively control of red rot of sugar cane, with calcium cyanamide to disinfecting soil, plant nitrogen can be supplied, to promotion Sugarcane Seedlings healthy growth simultaneously, thus raising output, the quality improving crop also plays a role.By screening the suitable medicament preventing and treating red rot of sugar cane, Difenoconazole 10% water dispersible granules, 43% tebuconazole suspension concentrates and Fructus Schisandrae Chinensis extractive solution are combined, the control efficiency of effective its best of performance, immersion treatment is carried out to sugarcane sugarcane kind, soaked by liquid, effectively can eliminate germ that sugarcane kind is carried and worm's ovum etc., and then the generation of control sugarcane damage by disease and insect.
2, during sugarcane production, when sugarcane does not fall ill or disease shows preliminary symptom, the liquid obtained after mixing with medicine based on herbs and 0.36% matrine 800 times of liquid ~ 1000 times liquid is prevented and treated, medicine based on herbs safety non-toxic used, nuisanceless, cost is low, easy to use, bactericidal action is had to the pathogen of red rot of sugar cane, also very large preventive and therapeutic effect is had to the insect pest of sugarcane, matrine, by the dry root of leguminous plant kuh-seng SophoraflavescensAit, plant, fruit is made through Solvent Extract methods such as ethanol, it is a kind of botanical pesticide, there is specificity, the feature of natural sex, matrine is to beet armyworm, cabbage caterpillar, striped rice borer, aphid, cotton bollworm, rice leaf roller, two spotted spider mite, Liriomyza, tea lesser leafhopper, trialeurodes vaporariorum, heart-eating worms etc. all have fabulous control efficiency, there is good regulating action to plant growth simultaneously, crop quality can be improved.Medicine based on herbs and 0.36% matrine are combined, better to the control efficiency of red rot of sugar cane, and also insecticidal action is obvious, reduces the propagation of disease, plays very large effect to the healthy growth of sugarcane.
3, the present invention has three aspects to the control that red rot of sugar cane is carried out: (1) soil disinfection; (2) stem process is planted; (3) medicine liquid spray.These three aspects are the prophylactico-therapeutic measuress for taking the cause of disease of red rot of sugar cane and circulation way, by soil disinfection, plant stem process and medicine liquid spray, good preventive and therapeutic effect is served to red rot of sugar cane.And the control liquid adopted in the present invention is mostly plant-based medicine, these plant-based medicine safeties are high, nuisanceless, to crop safety, to the raw also safety of people, animal; And good pesticide-germicide effect can be played to red rot of sugar cane.The present invention prevents and treats the method for red rot of sugar cane, not only can play good control efficiency to red rot of sugar cane, reduces the harm of red rot in sugarcane production process, and greatly reduces usage amount and the access times of chemical pesticide.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described in further detail.
embodiment one
Implement place: Er Tang town, Wuxuan County, Laibin city of Guangxi
The enforcement time: on March 26th, 2013
Implement area: 5 mu
Implementation method comprises following 3 aspects:
(1) soil disinfection: select the fine day that temperature is high, illumination is good soil leveling to be poured water, the relative moisture of soil is made to remain on 60% one 85%, after pouring water latter 2 days, evenly spread fertilizer over the fields calcium cyanamide, applied amount is 40 kgs/acre, afterwards soil is once ploughed deeply, calcium cyanamide particle is fully contacted with soil, covers vexed native 10 days with transparent membrane, then take off film ventilated, plowed soils wholely, can plant for more than 10 days by airing;
(2) stem process is planted:
(3) medicine liquid spray: plant stem process in above-mentioned (2): after the sugarcane kind plantation that process 1-process 5 obtains, when sugarcane does not fall ill or disease shows preliminary symptom, prevent and treat with medicine based on herbs 150 times of liquid and 0.36% matrine 1000 times of liquid liquid that 2:1 obtains after mixing by weight, liquid is evenly sprayed on cane stalk and blade tow sides, dispenser temperature is 20-28 DEG C, dispenser humidity is 40-50%, when sugarcane does not fall ill, sprays 1 liquid every 9 days; When Sugarcane Disease shows preliminary symptom, sprayed 1 liquid every 5 days; In sugarcane production process, times for spraying is 2-3 time.
The above-mentioned method of preventing and treating red rot of sugar cane, (2) plant in stem process, and the preparation method of described Fructus Schisandrae Chinensis extractive solution is: the Schisandra sphenanthera Rehd.et WilS of getting a certain amount of drying, add the ethanol of 95% of 8 times amount, heating and refluxing extraction 3 times, each 1h, merging filtrate, can obtain Fructus Schisandrae Chinensis extractive solution.
The above-mentioned method of preventing and treating red rot of sugar cane, in (3) medicine liquid spray, the preparation method of described medicine based on herbs is: the polygonum flaccidum 10 parts getting parts by weight; Garlic 10 parts; Wintercherry 16 parts; Mother chrysanthemum 10 parts and 0.2 part, washing powder for subsequent use, then polygonum flaccidum, garlic, wintercherry and mother chrysanthemum are smashed, add the water of 10 times by whole dose weight, after boiling 1 hour, filter, get filtrate, then add the washing powder of above-mentioned parts by weight, stir, can obtain.
According to above scheme, inventor all measures the incidence of disease of later stage red rot of sugar cane and output, the results are shown in following table 2:
embodiment two
Implement place: Si Ling township, Wuxuan County, Laibin city of Guangxi
The enforcement time: on April 1st, 2013
Implement area: 5 mu
Implementation method comprises following 3 aspects:
(1) soil disinfection: select the fine day that temperature is high, illumination is good soil leveling to be poured water, the relative moisture of soil is made to remain on 60% one 85%, after pouring water latter 3 days, evenly spread fertilizer over the fields calcium cyanamide, applied amount is 60 kgs/acre, afterwards soil is once ploughed deeply, calcium cyanamide particle is fully contacted with soil, covers vexed native 12 days with transparent membrane, then take off film ventilated, plowed soils wholely, can plant for more than 10 days by airing;
(2) stem process is planted:
(3) medicine liquid spray: plant stem process in above-mentioned (2): after the sugarcane kind plantation that process 1-process 5 obtains, when sugarcane does not fall ill or disease shows preliminary symptom, prevent and treat with medicine based on herbs 220 times of liquid and 0.36% matrine 800 times of liquid liquid that 2:1 obtains after mixing by weight, liquid is evenly sprayed on cane stalk and blade tow sides, dispenser temperature is 20-28 DEG C, dispenser humidity is 40-50%, when sugarcane does not fall ill, sprays 1 liquid every 10 days; When Sugarcane Disease shows preliminary symptom, sprayed 1 liquid every 4 days; In sugarcane production process, times for spraying is 2-3 time.
The above-mentioned method of preventing and treating red rot of sugar cane, (2) plant in stem process, and the preparation method of described Fructus Schisandrae Chinensis extractive solution is: the Schisandra sphenanthera Rehd.et WilS of getting a certain amount of drying, add the ethanol of 95% of 10 times amount, heating and refluxing extraction 3 times, each 1.5h, merging filtrate, can obtain Fructus Schisandrae Chinensis extractive solution.
The above-mentioned method of preventing and treating red rot of sugar cane, in (3) medicine liquid spray, the preparation method of described medicine based on herbs is: the polygonum flaccidum 12 parts getting parts by weight; Garlic 10 parts; Wintercherry 15 parts; Mother chrysanthemum 10 parts and 0.3 part, washing powder for subsequent use, then polygonum flaccidum, garlic, wintercherry and mother chrysanthemum are smashed, add the water of 12 times by whole dose weight, after boiling 1.5 hours, filter, get filtrate, then add the washing powder of above-mentioned parts by weight, stir, can obtain.
According to above scheme, inventor all measures the incidence of disease of later stage red rot and output, the results are shown in following table 4:
As can be seen from data in table, the sugarcane of technical scheme plantation of the present invention, seldom red rot occurs, and still can there is comparatively serious red rot to the later stage in the sugarcane kind of conventional method formalin sterilization, affect output.
Claims (4)
1. prevent and treat a method for red rot of sugar cane, it is characterized in that: described method comprises following 3 aspects:
(1) soil disinfection: select the fine day that temperature is high, illumination is good soil leveling to be poured water, the relative moisture of soil is made to remain on 60% one 85%, after pouring water after 2-3 days, evenly spread fertilizer over the fields calcium cyanamide, applied amount is 40-60 kg/acre, afterwards soil is once ploughed deeply, calcium cyanamide particle is fully contacted with soil, covers vexed native 10-12 days with transparent membrane, then take off film ventilated, plowed soils wholely, can plant for more than 10 days by airing;
(2) plant stem process: by Difenoconazole 10% water dispersible granules 4000-5000 times of liquid, 43% tebuconazole suspension concentrates 3000-4000 times liquid and Fructus Schisandrae Chinensis extractive solution 30-50 times liquid, after 2:2:3 mixture, put into sugarcane kind, and seed soaking 10h, dries, for subsequent use;
(3) medicine liquid spray: when sugarcane does not fall ill or disease shows preliminary symptom, prevent and treat with medicine based on herbs 150-220 times liquid and 0.36% matrine 800 times of liquid ~ 1000 times liquid liquid that 2:1 obtains after mixing by weight, liquid is evenly sprayed on cane stalk and blade tow sides, dispenser temperature is 20-28 DEG C, and dispenser humidity is 40-50%.
2. method of preventing and treating red rot of sugar cane according to claim 1, it is characterized in that: (2) plant in stem process, the preparation method of described Fructus Schisandrae Chinensis extractive solution is: the Schisandra sphenanthera Rehd.et WilS of getting a certain amount of drying, add the ethanol of 95% of 8-10 times amount, heating and refluxing extraction 3 times, each 1-1.5h, merging filtrate, can obtain Fructus Schisandrae Chinensis extractive solution.
3. method of preventing and treating red rot of sugar cane according to claim 1, is characterized in that: in (3) medicine liquid spray, and the preparation method of described medicine based on herbs is: the polygonum flaccidum 8-12 part of getting parts by weight; Garlic 10-13 part; Wintercherry 13-16 part; Mother chrysanthemum 10-15 part and washing powder 0.1-0.3 part for subsequent use, then polygonum flaccidum, garlic, wintercherry and mother chrysanthemum are smashed, add 10-12 water doubly by whole dose weight, after boiling 1-1.5 hour, filter, get filtrate, then add the washing powder of above-mentioned parts by weight, stir, can obtain.
4. method of preventing and treating red rot of sugar cane according to claim 1, is characterized in that: in (3) medicine liquid spray, prevent and treat with liquid, when sugarcane does not fall ill, sprays 1 liquid every 9-10 days; When Sugarcane Disease shows preliminary symptom, sprayed 1 liquid every 4-5 days; In sugarcane production process, times for spraying is 2-3 time.
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| CN109121956A (en) * | 2018-08-13 | 2019-01-04 | 黔西南州天麒绿色产业开发有限公司 | A kind of rose pest control method |
| CN113662017A (en) * | 2021-09-30 | 2021-11-19 | 西南大学 | Application of composite plant essential oil |
| CN114342718A (en) * | 2022-01-12 | 2022-04-15 | 云南省农业科学院药用植物研究所 | Comprehensive control method for anthracnose of gentiana rigescens |
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