CN107006258A - A kind of Synthetical prevention method of dragon fruit canker - Google Patents
A kind of Synthetical prevention method of dragon fruit canker Download PDFInfo
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
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Abstract
The invention discloses a kind of Synthetical prevention method of dragon fruit canker；Belong to plant protection and fruit tree cultivation technical field.The present invention is directed to Newly built orchard, selects disease-free nursery stock, disease-resistant variety to be cultivated；Morbidity orchard sprays bactericide in spring and suppresses Spores sprouting；Summer is key control period, infects medium by wiping out newly hair spray in time to reduce pathogen circulation, and spray bactericide；Autumn, winter trim in time, clear garden, sprays medicament, removes Spores hibernacle.All medicaments of the present invention use organosilicon auxiliary agent, promote medicament in branch extended surface, absorb, strengthen prevention effect.The present invention can realize the harm of thoroughly control canker for morbidity orchard, orchard can play prevention effect well for not falling ill by implementing a whole set of dragon fruit canker Synthetical prevention method.
Description
Technical field
The present invention relates to dragon fruit canker, more particularly to a kind of Synthetical prevention method of dragon fruit canker belongs to
Plant protection and fruit tree cultivation technical field.
Background technology
Dragon fruit originates in Mexico, in, South America, be distributed in subtropical and tropical zones.The middle and later periods nineties exists successively
The provinces and regions such as Guangdong, Guangxi, Guizhou, Fujian, Hainan are planted, and are increasingly becoming one of Important Economic crop of increasing peasant income.With kind
Plant area further to expand, dragon fruit producing region disease is on the rise.
The how wet climatic characteristic of tropical and subtropical region summer high temperature, also easily disease fungus prevalence generation.It is 2004 wide
Dong Sheng western district of Guangdong finds dragon fruit canker, and subsequent dragon fruit planting area reports the generation of the disease successively.At present, at me
The generation of the disease is reported in state Guangdong, Guangxi, Fujian, Hainan, Taiwan, more tight in Guangdong and Guangxi Provinces area and Hainan Province's harm
Weight.
The pathogen of dragon fruit canker is the new dark-coloured section lattice spore of Deuteromycotina section lattice spore category
(Neoscytalidiumdimidiatum).The disease mainly infects edible tender branch and young fruit, and branch is infected Symptoms and is
There is circular depressed chlorisis scab in early stage, and scab gradually becomes crocus, and whole piece fleshy stem is close and numerous when serious is covered with
Scab；Later stage is infected position in canescence projection, forms ulceration, and Combined Infection when serious causes stem to be rotted；Young fruit
It is early stage by hazard symptoms, circular depressed chlorisis scab occur in young fruit scale and fruit surface, and scab gradually becomes orange
Color, with fruit maturation yellow scab projection, in canescence, forms ulceration, the fruit rind crossed by canker negligible risk
There is crocus spot, seriously fester, be commonly referred to as spending follicarpium in production, the commodity of flower follicarpium is seriously reduced.Dragon fruit is whole
Growing season is endangered by the pathogen, and morbidity the most serious month is the 6-9 months, southern area high temperature at a time when this, rainy
Season, be also dragon fruit bloom, fruiting period.Whole strain is rotted when endangering serious, and pericarp flower skin occurs, festered, and reduces commodity value.
Commodity fruit wholesale price 4-6 members, but lighter fruit price is endangered in 1-2 members or so by canker, endangering serious fruit can only destroy,
The orchard of some mismanagements is even by crushing blow.
At present, using some there is the medicament of fungistatic effect to be prevented and treated in production, but because not being directed to the pathogen
Dip-dye, propagation law start with, it is most just to proceed by spray in period of disease and prevent and treat.But southern area summer high temperature, high humidity
Climatic characteristic, be very beneficial for the propagation of the disease, cause field control effect poor, it is impossible to preferably to control disease.
The content of the invention
Present invention aims at implement present invention side there is provided one kind continuous two anniversary the problem of presence for prior art
Method can accomplish the harm of thoroughly control canker, and the dragon fruit ulcer of prevention effect well can be played for orchard of not falling ill
Sick Synthetical prevention method.
Biological characteristics of the inventor based on dragon fruit Pathogenic Fungus of Canker, popular propagation law, and it is fiery with host plant
The long-term further investigation of imperial fruit interaction mode, it was found that the rule of the unusual pathological changes of plant of dragon fruit canker：The pathogen
It is main to infect the young spray tip of harm, flower, fruit, for this feature, form a whole set of dragon fruit canker Synthetical prevention method.No
Take different prevention and control strategies, especially summer to wipe out tender tip in time with season and infect medium to reduce pathogen circulation, with reference to spray
Medicine protects Hua Heguo, cultivates fruitful branch using autumn, spring tender tip and realizes yield；At the same time, for dragon fruit bough surface wax
This thicker feature of matter layer, it is found that organosilicon auxiliary agent has and accelerate decoction in dragon fruit bough moistened surface, extension, the spy absorbed
Point, can strengthen prevention effect.
The concrete technical scheme that the present invention is used：
A kind of Synthetical prevention method of dragon fruit canker, including following aspect：
(1) Newly built orchard, selection is cultivated without disease pest nursery stock, disease-resistant variety；
(2) on the ground of orchard porch, a width of 0.8-1.2m lime band is spread the anniversary；
(3) morbidity orchard is to put prevention first, with reference to chemical prevention；Various Seasonal takes different prophylactico-therapeutic measures, to realize
Synthetical prevention；All medicament uniform dissolutions mix spraying in adding 2000-3000 times of organosilicon auxiliary agent after clear water；
A, spring, to put prevention first, lay special stress on protecting young tender young sprout, full garden sprays lime sulfur, Bordeaux mixture or copper agent 1-
3 times, wide-spectrum bactericide sprayed 1 time per 10-15 days, suppresses Spores and sprouts；
B, summer lay special stress on protecting flower, young fruit；In time wipe out the spray newly sprouted, take away orchard, and spray bactericide, rotation
Medication, is spaced 7-10 days, continuous use 2-3 times first, monthly 2 times afterwards；
C, autumn lay special stress on protecting flower, young fruit, newly sprout spray；Bactericide is sprayed, rotation medication, autumn spraying times are every
It is 10-15 days 1 time, continuous 2-3 times, monthly 1 time afterwards；
D, winter prevention emphasis are removing pathogen hibernacle；Trim in time, clear up old, weak sick branch, while full garden spray
100-150 times of liquid of 45% crystal lime polysulfies, 500-700 times of 77% copper hydroxide wettable powder liquid 2-3 times is applied to be prevented
Control, every 10-15 days sprays once.
Further to realize that the present invention can purpose, it is preferable that in aspect (3) medication should select in the morning, the afternoon or cloudy day
Spray, drip is not advisable to moisten plant surface, meet rain in 2 hours after spray and respray once；All medicaments are now used with clear water
Now match somebody with somebody.
Preferably, the wide-spectrum bactericide is that fungi and bacterium bactericide are combined and used.
Preferably, the wide-spectrum bactericide is that 75% 600-1000 times of liquid of Bravo wettable powder, 50% carbendazim can
500-800 times of liquid of WP, 70% 800-1200 times of liquid of thiophanate methyl wettable powder, 20% agricultural streptomycin 1000-
It is two or more in 1500 times and 800-1000 times of liquid of 25.5% iprodione.
Preferably, spring full garden sprays 200-300 times of liquid of 45% crystal lime polysulfies, 80% Bordeaux mixture wettable powder
400-600 times of liquid or 500-700 times of 77% copper hydroxide wettable powder liquid 1-3 times.
Preferably, summer is 1000-1200 times of liquid of 45% Prochloraz, 10% Difenoconazole water-dispersible grain using bactericide
700-1000 times of liquid of agent, 25% 1000-1500 times of liquid of nitrile bacterium azoles wettable powder, 800-1000 times of liquid of 25.5% iprodione,
25% 1000-1500 times of liquid of pyrazoles Fluoxastrobin, 1000-1200 times of liquid of 25% propiconazole emulsifiable concentrate, 10% Flusilazole 1500-
In 2000 times, 500-800 times of liquid of 50% carbendazol wettable powder and 75% 600-1000 times of liquid of Bravo wettable powder
It is two or more.
Preferably, autumn is 1000-1200 times of liquid of 45% Prochloraz, 10% Difenoconazole water-dispersible grain using bactericide
700-1000 times of liquid of agent, 25% 1000-1500 times of liquid of nitrile bacterium azoles wettable powder, 800-1000 times of liquid of 25.5% iprodione,
25% 1000-1500 times of liquid of pyrazoles Fluoxastrobin, 1000-1200 times of liquid of 25% propiconazole emulsifiable concentrate, 10% Flusilazole 1500-
In 2000 times, 500-800 times of liquid of 50% carbendazol wettable powder and 75% 600-1000 times of liquid of Bravo wettable powder
It is two or more.
Rich water quality management, insect pest and other prevention of damage by diseases in the Synthetical prevention method of dragon fruit canker of the present invention is without spy
Bright, reference Routine Management method is not mentionleted alone.
Relative to prior art, the invention has the advantages that：
1) present invention is the biological characteristics based on dragon fruit Pathogenic Fungus of Canker, popular propagation law, and is planted with host
Thing dragon fruit interaction mode, i.e. dragon fruit Pathogenic Fungus of Canker mainly infect the young spray tip of harm, flower, fruit, and to the fire of adult
Imperial fruit branch bar infects relatively low, and the spray tip of especially summer is the main object that dragon fruit Pathogenic Fungus of Canker infects, Er Qienan
To control, it is necessary to wipe out tender tip in time, take away orchard, prior art does not recognize this feature generally, it is believed that repeatedly spray can
To control dragon fruit Pathogenic Fungus of Canker to spread, summer tender tip is wiped out not in time so that control effect is not good always, the present invention fills
Divide and realize yield using autumn, spring tender tip cultivation fruitful branch, summer tender tip is thoroughly wiped out in time, block pathogen parasitism, propagate
Medium.
2) Synthetical prevention is the effective measures of thorough control canker.Various Seasonal of the present invention takes different prevention and control strategies,
Spring, to put prevention first, lays special stress on protecting young tender young sprout, suppresses Spores and sprouts；Summer removes and wipes out tender tip to reduce cause of disease in time
Medium is infected in bacterium circulation, and Hua Heguo is protected herein in connection with spray；Autumn lays special stress on protecting flower, young fruit, newly sprouts spray；Winter prevention weight
Point is removing pathogen hibernacle.
3) Various Seasonal, the present invention is to chemical agent using taking Different Strategies on species, dosage and number of times.Spring, winter
Using with broad-spectrum bactericidal action medicament, such medicament belongs to preventative bactericide, has certain inhibitory action to ulcer bacteria,
It is cheap and duration of efficacy is long.Summer, autumn are the plant disease epidemic critical periods, and the medicament that the present invention is selected belongs to treatment
Property medicament, there is extremely strong suppression, bactericidal effect to ulcer bacteria, and this phase times for spraying increases, dosage increase, and rotation is used
Different type agricultural chemicals, prevention is developed immunity to drugs.And prior art majority takes single medicament to control, and concentrate on period of disease use
Medicine, but the technical measures effect is limited, it is difficult to realize thorough prevention and control.
4) present invention is in terms of Agro-chemicals control, with the use of organosilicon auxiliary agent.Organosilicon auxiliary agent is a class silica
Alkane surfactant；Applied in agricultural production, but yet there are no and use during the preventing and treating of dragon fruit canker.This hair
Bright to find, dragon fruit bough surface wax coat is thicker, and decoction is difficult to adhere to, absorbed, and largely reduces drug effect；Use organosilicon
Auxiliary agent coordinates dispenser, can not only increase medicament in branch extended surface, adhesive ability, decoction can also be promoted to be inhaled by stomata
Receive, the effect with resistance of rainwater washing against, being particularly suitable for rainy season uses, strengthen prevention effect；Use organosilicon auxiliary agent simultaneously
Pesticide use amount and spray amount can be effectively reduced, agricultural chemicals and labour costs is saved, reduces labor intensity.
5) for serious orchard of falling ill, the dragon fruit canker Synthetical prevention method of the present invention is implemented in continuous two anniversary,
The harm of thoroughly control canker can be accomplished, orchard can play prevention effect well for not falling ill.
Embodiment
With reference to embodiment, the invention will be further described, but protection scope of the present invention is not limited to implement
The scope that example is represented.It should be noted that after the research present invention, those skilled in the art can make various repair to the present invention
Change, various equivalents both fall within the scope of claims of the present invention protection.
Embodiment 1
One 30 mu of orchard in Guangzhou, Guangdong area, implantation time is spring in 2012.Because of nursery stock in spite of illness, 2013
Summer period canker breaks out, and fruit flower skin phenomenon is serious, and flower skin rate reaches 60% or so, and economic benefit is poor.2013
Autumn employs the dragon fruit canker Synthetical prevention method of the present invention, and agricultural operation is performed in strict accordance with the inventive method, had
Body is as follows.
A kind of Synthetical prevention method of dragon fruit canker：
1) on the ground of orchard porch, spread 1 meter or so (0.8-1.2m) wide lime band the anniversary, reduce and flowed by personnel
Dynamic, human factor carries pathogen and propagated.
2) morbidity orchard is to put prevention first, with reference to chemical prevention.Various Seasonal takes different prophylactico-therapeutic measures, comprehensive to realize
Prevention and control are closed, disease is thoroughly controlled.Because most agricultural chemicals, which run into sunburst irradiation, can produce decomposition, drug effect is reduced, medication should be selected
Select in the morning, the afternoon or cloudy day sprays；All medicament uniform dissolutions are mixed in adding 3000 times of organosilicon auxiliary agent outstanding person's effect profit after clear water
Even spraying.It is required that Pcnten-1 yne-4 is uniform, to moisten plant surface, drip is not advisable, and meets rain in 2 hours after medicine and resprays once, owns
Medicament uses clear water matching while using.The concrete measure that Various Seasonal is taken is as follows：
A, spring, to put prevention first, lay special stress on protecting young tender young sprout, the beginning of March starts, and full garden sprays the conjunction of 45wt% crystal stones sulphur
(crystal lime polysulfies of mass content 45% are 1 with clear water quality ratio to 200 times of liquid of agent：200), mass content is sprayed after 10 days
400 times of liquid of 80wt% Bordeaux mixture wettable powder.Spray wide-spectrum bactericide in April, May 3 times, it is every to spray within 10-15 days 1 time,
Wide-spectrum bactericide Bravo 75wt% (wettable powder) 800 times of liquid and 20% agricultural streptomycin (wettable powder are used for the first time
Agent) 1000 times, second of 50wt% carbendazol wettable powder using 500 times of liquid of wide-spectrum bactericide, for the third time using wide spectrum
1000 times of liquid of fungicide chlorothalonil 75wt% (wettable powder), and 1200 times of 20% agricultural streptomycin (wettable powder).
B, summer lay special stress on protecting flower, young fruit.In time wipe out the spray newly sprouted, take away orchard, and spray bactericide, every
Spray within 7-10 days 1 time, continuous 3 times, afterwards monthly 2 times.Bactericide be 1000 times of liquid of 25wt% nitrile bacterium azoles wettable powder,
800 times of liquid of 10wt% difenoconazole water dispersible granules, 1000 times of liquid of 25wt% pyrazoles Fluoxastrobin, 25% propiconazole emulsifiable concentrate 1000
Times liquid, 75% Bravo wettable powder, 600 times of liquid, every kind of medicament is at most continuously using twice, rotation medication.Summer is because being this
The outbreak period of pathogen, pharmacy application scope is to use different Types of Medicine dosage limit on the upper side, to improve prevention effect.
C, autumn lay special stress on protecting flower, young fruit, newly sprout spray.Spraying times are per 10-15 days 1 time, continuous 3 times.Sterilization
Agent is wettable using 850 times of liquid of 10wt% difenoconazole water dispersible granules, 1100 times of liquid of 45wt% Prochlorazs, 75wt% Bravos
Property 800 times of liquid of pulvis, every kind of medicament is at most continuously using twice, rotation medication.Autumn epidemic disaster is reduced, pathogen reproductive capacity
It is gradually reduced, bactericide uses the medium range of different Types of Medicine dosage.
D, winter are trimmed, are cleared up old, weak sick branch in time, meanwhile, full garden spray 100 times of liquid of 45wt% crystal lime polysulfies,
500 times of liquid of 77wt% copper hydroxide wettable powders, per two weeks 1 time, continuous 2 times.Winter is not spent and fruit, uses big agent
Lime sulfur and copper agent is measured to reach thoroughly clear garden purpose.
Rich water quality management, insect pest and other prevention of damage by diseases are with reference to Routine Management method.Attention control snail, ant, moth class etc.
Larva endangers；Small food fly is prevented to endanger fruit by bagging and the yellow plate of extension.
The present embodiment is carried out in strict accordance with the method for the present invention, obtains preferable prevention effect, and autumn in 2013 trims in time
Sick branch, chemical agent control growth of pathogenic bacteria, to protect autumn growth, flower, fruit；And in winter pruning then, old, the weak sick branch of cleaning,
Full garden sprays lime sulfur and copper agent, removes Spores hibernacle.Spring in 2014 takes chemical prevention, uses wide spectrum
Fungi bactericide and bacterium bactericide, suppress canker survive the winter Spores sprout, control Spores quantity, while controlling it
The pathogen of his disease, protects young sprout, has no pathogen infection symptom on young sprout then.The summer pathogen amount reproduction, this
Embodiment takes away orchard by wiping out new pumping spray in time, and medium is infected to reduce pathogen circulation, and continuously sprays and kill
Microbial inoculum, rotation medication, further suppress pathogen breeding, accomplish to lay special stress on protecting Hua Heguo.
But because orchard area is big, Summer Field management work is more, spray is trimmed not in time, and run into continuous rainfall in several days,
It can not spray, part spray morbidity still occurs in part of in August, 2014, injures young fruit.Degree, scab are infected according to stem, fruit face
Area, carries out Field diseases statistics, with reference to table 1.There is branch disease symptom in the field of in August, 2014, and the incidence of disease is
12.3%, state of an illness rank is 2, and then endangers two batches young fruit, then strengthens spray, sick branch trimming, chemicals preventing and treating, whole year flower
Follicarpium rate is reduced to 15%, and fruit face lesion area is 8.6%, and fruit face damage symptoms are substantially reduced；Canker is thorough within 2015
Bottom is controlled, and field branch is without canker hazard symptoms, and state of an illness rank is 0, and fruit flower follicarpium rate is 0, significantly improves fruit field receipts
Enter.
The dragon fruit bough canker severity Scaling standard of table 1
| State of an illness rank | Incidence |
| 0 | It is asymptomatic |
| 1 | Sporadicly there is diameter 0.5-2mm chlorisis depression fleck in stem face |
| 2 | Stem face scab disperses, lesion area 5%-15% |
| 3 | Scab expands, stem face lesion area 15%-30% |
| 4 | Part scab connection, stem face lesion area 30%-60% |
| 5 | Stem face lesion area>60% |
Embodiment 2
One 40 mu of orchard in Haikou City, Hainan Province area, start plantation in May, 2013, newly sprout tender mid-July then
Branch is fragmentary to there is diameter 0.5-2mm chlorisis depression fleck, inadequate because recognizing canker symptom, fails to carry out timely and effectively
Preventing and treating.Start to bear fruit in June, 2014, the ulcer scab on edible tender branch increases, stem face lesion area reaches 45%, the state of an illness
Rank is 4.Fruit is also compromised, and flower follicarpium is more, and flower skin rate reaches more than 50%, serious reduction fruit commodity value.
Autumn in 2014 employs the dragon fruit canker Synthetical prevention method of the present invention, and agricultural operation is rapid in strict accordance with the inventive method
Perform.
A kind of Synthetical prevention method of dragon fruit canker：
1) on the ground of orchard porch, spread 1 meter or so (0.8-1.2m) wide lime band the anniversary, reduce and flowed by personnel
Dynamic, human factor carries pathogen and propagated.
2) morbidity orchard is to put prevention first, with reference to chemical prevention.Various Seasonal takes different prophylactico-therapeutic measures, comprehensive to realize
Prevention and control are closed, disease is thoroughly controlled.All medicament uniform dissolutions mix spray in adding 3000 times of organosilicon auxiliary agent outstanding person's effect profit after clear water
Mist.In morning, afternoon or cloudy medication, to moisten plant surface, drip is not advisable, and meets rain in 2 hours after medicine and resprays once, institute
There is medicament to use clear water matching while using.
A, spring, to put prevention first, lay special stress on protecting young tender young sprout, late Febuary, every spray for 10-15 days in full garden is once changed
Medicament is learned, (45wt% crystal lime polysulfies are 1 with clear water quality ratio to 200 times of liquid of first time 45wt% crystal lime polysulfies：
200) 500 times of liquid of 77wt% copper hydroxide wettable powders, third time 80wt% Bordeaux mixture wettable powders, are sprayed for the second time
500 times of liquid.April, May spray wide-spectrum bactericide, per 10-15 days 1 time, 800 times of liquid of Bravo 75wt% (wettable powder)
With 1000 times of 20wt% agricultural streptomycins (wettable powder), 50% carbendazol wettable powder of 500 times of liquid, Bravo
1000 times of liquid of 75wt% (wettable powder), 800 times of liquid of 70wt% thiophanate methyls wettable powder.
B, summer lay special stress on protecting flower, young fruit.In time wipe out the spray newly sprouted, take away orchard, and spray bactericide, every
Spray within 7-10 days 1 time, continuous 3 times, afterwards monthly 2 times.Bactericide is 25% nitrile bacterium azoles wettable powder, 1000 times of liquid, 10wt% benzene
800 times of liquid of ether methyl cyclic-azole water dispersible granules, 1000 times of liquid of 45wt% Prochlorazs, 50% carbendazol wettable powder, 500 times of liquid,
1000 times of liquid of 25.5wt% iprodiones, every kind of medicament is at most continuously used twice, rotation medication.Summer is because being the quick-fried of the pathogen
Hair phase, pharmacy application scope is different Types of Medicine dosages limit on the upper side, to improve prevention effect.
C, autumn lay special stress on protecting flower, young fruit, newly sprout spray.Spraying times are per 10-15 days 1 time, continuous 3 times.Sterilization
Agent uses 850 times of liquid of 10wt% difenoconazole water dispersible granules, 1100 times of liquid of 45wt% Prochlorazs, 25wt% pyrazoles Fluoxastrobins
1200 times of liquid, 1800 times of 10wt% Flusilazoles, 800 times of liquid of 75wt% Bravos wettable powder, every kind of medicament at most connect
It is continuous to use twice, rotation medication.Autumn epidemic disaster is reduced, and pathogen reproductive capacity is gradually reduced, and bactericide uses different Types of Medicine agent
The medium consumption of amount.
D, winter are trimmed, are cleared up old, weak sick branch in time, meanwhile, full garden spray 100 times of liquid of 45wt% crystal lime polysulfies,
500 times of liquid of 77wt% copper hydroxide wettable powders, per two weeks 1 time, continuous 2 times.Winter is not spent and fruit, uses maximum
Dosage lime sulfur and copper agent are to reach thoroughly clear garden purpose.
Rich water quality management, insect pest and other prevention of damage by diseases are with reference to Routine Management method.Attention control snail, ant, moth class etc.
Larva endangers；Small food fly is prevented to endanger fruit by bagging.
By the continuous 2 years preventing control methods using the present invention, the fruit field field branch incidence of disease in 2015 was 15.2%,
Whole year flower follicarpium rate 16.5%, fruit face lesion area is 10%, and damage symptoms are substantially reduced；Field branch has no ulcer within 2016
Scab, fruit flower follicarpium rate is 0, and commodity fruit rate reaches more than 85%.
Embodiment 3
One, Guangxi Zhuang Autonomous Region area of Nanning City, 20 mu of Newly built orchards, implantation time is spring in 2014.Before plantation
Selection is cultivated without disease pest nursery stock, accomplishes to cut off transmission of pathogen from source.Agricultural operation is performed in strict accordance with the inventive method.
A kind of Synthetical prevention method of dragon fruit canker：
(1) Newly built orchard, selection is cultivated without disease pest nursery stock, is realized from source and is cut off transmission of pathogen；
(2) on the ground of orchard porch, spread 1 meter or so (0.8-1.2m) wide lime band the anniversary, reduce and pass through personnel
Flowing, human factor carry pathogen and propagated；
(3) orchard is not fallen ill to put prevention first, and Various Seasonal takes different precautionary measures, and medicament uses lowest dose level.
All medicament uniform dissolutions mix spraying in adding 3000 times of organosilicon auxiliary agent outstanding person's effect profit after clear water.
A, spring, to put prevention first, lay special stress on protecting young tender young sprout, full garden sprays 300 times of liquid of 45wt% crystal lime polysulfies
(45wt% crystal lime polysulfies are 1 with clear water quality ratio：300) 1 time, wide-spectrum bactericide 2 times suppresses Spores and sprouted.The
50% carbendazol wettable powder of 800 times of liquid is once sprayed, 20wt% agricultural streptomycins (wettable powder) are sprayed for the second time
1500 times.
B, summer lay special stress on protecting flower, young fruit.Orchard of not falling ill can take out according to actual conditions, tree member-retaining portion summer childhood
Raw young sprout, bearing tree can wipe out the spray newly sprouted, and promote nutrient centralizedly supply flower, fruit.Bactericide is sprayed, wheel is used instead
Medicine, monthly 2 times.Bactericide be 1000 times of liquid of 10wt% difenoconazole water dispersible granules, 1200 times of liquid of 45wt% Prochlorazs,
1200 times of liquid of 70wt% thiophanate methyls wettable powder.Summer because be the pathogen outbreak period, pharmacy application scope is not
With Types of Medicine dosage limit on the upper side, to improve prevention effect.
C, autumn lay special stress on protecting flower, young fruit, newly sprout spray.Bactericide is sprayed, rotation medication, autumn spraying times are every
The moon 1 time.Autumn is that 25.5% iprodione, 1000 times of liquid, 45% Prochloraz, 1200 times of liquid, 75wt% Bravos can using bactericide
1000 times of liquid of WP.Autumn epidemic disaster is reduced, and pathogen reproductive capacity is gradually reduced, and bactericide uses different Types of Medicine dosage
Medium consumption.
D, winter prevention emphasis are removing pathogen hibernacle.Trim in time, clear up old, weak sick branch, meanwhile, full garden spray
Apply 200 times of 45wt% crystal lime polysulfies liquid 1 time.
Rich water quality management, insect pest and other prevention of damage by diseases are with reference to Routine Management method, while strengthening preventing and treating snail, ant, moth
The larvas such as class endanger；Small food fly is prevented to endanger fruit by bagging and the yellow plate of extension.
From 2014 to 2016, whole orchard did not detected the spore of dragon fruit canker, had no canker hazard symptoms,
Whole orchard Pest management is good, and commodity fruit rate reaches more than 90%, considerable benefit.
Claims (7)
1. a kind of Synthetical prevention method of dragon fruit canker, it is characterised in that：The Synthetical prevention method includes following aspect：
(1) Newly built orchard, selection is cultivated without disease pest nursery stock, disease-resistant variety；
(2) on the ground of orchard porch, a width of 0.8-1.2m lime band is spread the anniversary；
(3) morbidity orchard is to put prevention first, with reference to chemical prevention；Various Seasonal takes different prophylactico-therapeutic measures, to realize synthesis
Prevention and control；All medicament uniform dissolutions mix spraying in adding 2000-3000 times of organosilicon auxiliary agent after clear water；
A, spring to put prevention first, lay special stress on protecting young tender young sprout, and full garden sprays lime sulfur, Bordeaux mixture or copper agent 1-3 times,
Wide-spectrum bactericide sprayed 1 time per 10-15 days, suppresses Spores and sprouts；
B, summer lay special stress on protecting flower, young fruit；In time wipe out the spray newly sprouted, take away orchard, and spray bactericide, wheel is used instead
Medicine, is spaced 7-10 days, continuous use 2-3 times first, monthly 2 times afterwards；
C, autumn lay special stress on protecting flower, young fruit, newly sprout spray；Bactericide, rotation medication are sprayed, autumn spraying times are per 10-
It is 15 days 1 time, continuous 2-3 times, monthly 1 time afterwards；
D, winter prevention emphasis are removing pathogen hibernacle；Trim in time, clear up old, weak sick branch, while full garden is sprayed
45% 100-150 times of crystal lime polysulfies liquid, 500-700 times of 77% copper hydroxide wettable powder liquid 2-3 times are prevented and treated, often
Every 10-15 days sprays once.
2. the Synthetical prevention method of dragon fruit canker according to claim 1, it is characterised in that：Medication is selected in aspect (3)
Select in the morning, the afternoon or cloudy day spray, to moisten plant surface, drip is not advisable, and meets rain in 2 hours after spray and resprays once；Institute
There is medicament to use clear water matching while using.
3. the Synthetical prevention method of dragon fruit canker according to claim 1, it is characterised in that：The wide-spectrum bactericide is
Fungi and bacterium bactericide are combined and used.
4. the Synthetical prevention method of dragon fruit canker according to claim 3, it is characterised in that：The wide-spectrum bactericide is
75% 600-1000 times of liquid of Bravo wettable powder, 500-800 times of liquid of 50% carbendazol wettable powder, 70% methyl Tobe
800-1200 times of liquid of Tianjin wettable powder, 800-1000 times of liquid of 1000-1500 times of 20% agricultural streptomycin and 25.5% iprodione
In it is two or more.
5. the Synthetical prevention method of dragon fruit canker according to claim 1, it is characterised in that：Spring, full garden sprayed 45%
200-300 times of liquid of crystal lime polysulfies, 80% 400-600 times of liquid of Bordeaux mixture wettable powder or 77% Kocide SD wettable
500-700 times of pulvis liquid 1-3 times.
6. the Synthetical prevention method of dragon fruit canker according to claim 1, it is characterised in that：Summer is using bactericide
45% 1000-1200 times of Prochloraz liquid, 700-1000 times of liquid of 10% difenoconazole water dispersible granule, 25% nitrile bacterium azoles wettable
1000-1500 times of liquid of pulvis, 800-1000 times of liquid of 25.5% iprodione, 25% 1000-1500 times of liquid of pyrazoles Fluoxastrobin, 25% the third
1000-1200 times of liquid of ring azoles missible oil, 1500-2000 times of 10% Flusilazole, 500-800 times of 50% carbendazol wettable powder
It is two or more in liquid and 75% 600-1000 times of liquid of Bravo wettable powder.
7. the Synthetical prevention method of dragon fruit canker according to claim 1, it is characterised in that：Autumn is using bactericide
45% 1000-1200 times of Prochloraz liquid, 700-1000 times of liquid of 10% difenoconazole water dispersible granule, 25% nitrile bacterium azoles wettable
1000-1500 times of liquid of pulvis, 800-1000 times of liquid of 25.5% iprodione, 25% 1000-1500 times of liquid of pyrazoles Fluoxastrobin, 25% the third
1000-1200 times of liquid of ring azoles missible oil, 1500-2000 times of 10% Flusilazole, 500-800 times of 50% carbendazol wettable powder
It is two or more in liquid and 75% 600-1000 times of liquid of Bravo wettable powder.
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| CN108849309A (en) * | 2018-06-29 | 2018-11-23 | 深圳春沐源控股有限公司 | The preventing mean of muskmelon pest and disease damage prevention method and muskmelon pest and disease damage |
| CN108849088A (en) * | 2018-06-30 | 2018-11-23 | 深圳春沐源控股有限公司 | Greenhouse cleaning method |
| CN109892179A (en) * | 2019-01-02 | 2019-06-18 | 广西硕果农业开发有限公司 | The control method of dragon fruit canker |
| CN110199794A (en) * | 2019-06-21 | 2019-09-06 | 福建省农业科学院果树研究所 | A method of so that dragon fruit snail is gone out shell lethal |
| CN110558331A (en) * | 2019-08-30 | 2019-12-13 | 贵州省果树科学研究所 | Prevention and treatment agent for dragon fruit canker |
| CN111386983A (en) * | 2019-08-07 | 2020-07-10 | 广东省农垦南亚热带作物科技中心(广东省农垦农业技术推广站) | Prevention and treatment method for dragon fruit canker |
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| CN108849309A (en) * | 2018-06-29 | 2018-11-23 | 深圳春沐源控股有限公司 | The preventing mean of muskmelon pest and disease damage prevention method and muskmelon pest and disease damage |
| CN108849088A (en) * | 2018-06-30 | 2018-11-23 | 深圳春沐源控股有限公司 | Greenhouse cleaning method |
| CN109892179A (en) * | 2019-01-02 | 2019-06-18 | 广西硕果农业开发有限公司 | The control method of dragon fruit canker |
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| CN111386983A (en) * | 2019-08-07 | 2020-07-10 | 广东省农垦南亚热带作物科技中心(广东省农垦农业技术推广站) | Prevention and treatment method for dragon fruit canker |
| CN110558331A (en) * | 2019-08-30 | 2019-12-13 | 贵州省果树科学研究所 | Prevention and treatment agent for dragon fruit canker |
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