CN107736380A - A kind of composition for Virus Diseases of Sweet Potato preventing and treating - Google Patents
A kind of composition for Virus Diseases of Sweet Potato preventing and treating Download PDFInfo
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- CN107736380A CN107736380A CN201711105369.9A CN201711105369A CN107736380A CN 107736380 A CN107736380 A CN 107736380A CN 201711105369 A CN201711105369 A CN 201711105369A CN 107736380 A CN107736380 A CN 107736380A
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- sweet potato
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
- A01N47/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
- A01N47/44—Guanidine; Derivatives thereof
Abstract
The invention belongs to Control of Plant Virus Disease technical field, and in particular to a kind of composition for Virus Diseases of Sweet Potato preventing and treating.Said composition includes 40 ~ 50g of biological products containing active bacillus subtilis, third 30 ~ 50g of azoles moroxydine；The biological products containing active bacillus subtilis, to adsorb the biological products of active bacillus subtilis, in biological products the requirement of bacillus subtilis activity number be：8 ~ 1,000,000,000/g.After the composition for being used for Virus Diseases of Sweet Potato preventing and treating provided herein and the cultural method for preventing and treating Virus Diseases of Sweet Potato, preliminary experimental results show, Sweet Potato Leaf is plump and dark green, well developed root system, the slow potato wedge of later stage aging is big, root tuber shape tubbiness, neat, color of the leather is bright-coloured, food flavor is good, and surface is smooth, and keeping quality is good；Compared with the control, the virosis incidence of disease can reduce by 70 80%, and yield can improve 40 60%, show preferably volume increase, the effect of increasing income.
Description
Technical field
The invention belongs to Control of Plant Virus Disease technical field, and in particular to a kind of combination for Virus Diseases of Sweet Potato preventing and treating
Thing.
Background technology
Sweet potato has the characteristics such as strong stress resistance, yield are high, purposes is wide, either as ordinary food still as a kind of raw
The energy crop of producing and ethanol, it is respectively provided with huge application value.In sweet potato is planted, Virus Diseases of Sweet Potato is that it is produced in plantation most
A kind of serious disease, once susceptible, serious kind sexual involution occurs in disease plant, and after susceptible potato seedling growth is inserted in into crop field,
Yield can be significant lower, and underproduction amplitude is up to more than 60%.
Virus Diseases of Sweet Potato several symptom types under mainly having：
(1) blade spotted type, seedling stage and field period can occur, and blade has bright arteries and veins symptom susceptible initial stage, also may occur in which chlorisis half
Speculum, later surrounding become puce, form purple plague purpura, purple ring spot, xanthelasma or withered spot, and most kinds form allusion quotation along vein
The purple pinniform spot of type, a small number of kinds only form the transparent spot of chlorisis all the time；
(2) flower leaf type, after seedling stage is susceptible, initial stage, vein was in net-type transparent, after along vein there is irregular yellowish green alternate floral leaf
Speckle；
(3) leaf roll type, roll up on blade edge, severe patient can form cup-shaped；
(4) crease blade miniature, sick seedling leaf-shrinkage, leaf margin is irregular, or even distortion, the semi-transparent thyridium of the chlorisis parallel with middle arteries；
(5) yellowing leaf type, including yellowing leaf and netted yellow arteries and veins；
(6) potato wedge cracking type, dark brown or yellowish-brown segmentation crack are produced in potato wedge.
In terms of Virus Diseases of Sweet Potato propagation, potato seedling growth, potato wedge can be with poison, so as to carry out long-distance communications.Meanwhile related diseases
Poison can also be propagated via approach such as machinery or aphid, Bemisia tabaci and graftings.In a word, the generation of Virus Diseases of Sweet Potato and popularity degree remove
Depend on potato seed, the band poison rate of seedling and the various population quantities for passing virus mediator, vigor, its pass toxic effect energy and sweet potato variety
Outside resistance, also there is certain association with factors such as soil, cropping system, planting times.
In terms of Virus Diseases of Sweet Potato preventing and treating, existing main prevention and controls and measure have：From viral diseases kind；With tissue
Cultivation carries out stem apex detoxification, cultivates disease-free potato seed, seedling；Crop field finds that diseased plant is mended after pulling out in time and plants strong seedling；Strengthen potato field
Management, improve premunition；Early stage starts herbal sprinkling preventing and treating etc..For these prophylactico-therapeutic measures, using novel anti-virus
The methods of kind or sterile seedling, although more can thoroughly solve potato seedling growth carries virus problems in itself, can not solve to plant
Exist in environment and by long-standing virus infection；And when using medical treatment virus infection, it is anti-except needing consideration
Effect problem is controlled, notes also the synthtic price index such as medicament security in itself, the convenience used and use cost, thus, just
For Virus Diseases of Sweet Potato preventing and treating, still there is more R＆D work to need further to improve.
The content of the invention
The application purpose is to provide a kind of composition for Virus Diseases of Sweet Potato preventing and treating, so as to be prevented and treated for Virus Diseases of Sweet Potato
Certain application foundation is established with volume increase.
Details are as follows for the technical scheme that the application is taken.
A kind of composition for Virus Diseases of Sweet Potato preventing and treating, including the biological products 40 containing active bacillus subtilis ~
50g, third 30 ~ 50g of azoles moroxydine；
The biological products containing active bacillus subtilis, to adsorb the active powdered carbon of active bacillus subtilis biology
Product, in product the requirement of bacillus subtilis activity number be：8 ~ 1,000,000,000/g.
The composition for Virus Diseases of Sweet Potato preventing and treating, by 40 ~ 50g of biological products of active bacillus subtilis, third
30 ~ 50g of azoles moroxydine ratio, also include nutrients under preferable case, specific dosage is：30 ~ 50g of zinc sulfate, phosphoric acid
70 ~ 100g of potassium dihydrogen, in the case of further preferred, other nutrients can also be included, specifically for example：Henan Luo effect king's biologies section
A kind of 100 ~ 125g of Luo effect king's liquid fertilizers of skill limited company production；
Specific formula is, for example,：Biological products 40g containing active bacillus subtilis, the third azoles moroxydine 30g, zinc sulfate
30g, potassium dihydrogen phosphate 70g, Luo effect king's liquid fertilizer 100g；
Or：Biological products 50g containing active bacillus subtilis, the third azoles moroxydine 50g, zinc sulfate 50g, biphosphate
Potassium 100g, Luo effect king's liquid fertilizer 125g.
The application for the composition of Virus Diseases of Sweet Potato preventing and treating in sweet potato cultivation, for preventing and treating Virus Diseases of Sweet Potato；
When specifically used, by composition in 20 ~ 25kg ratios be watered it is well mixed after, roll into a ball seedling stage and bifurcated phase in sweet potato respectively, spray
In on Sweet Potato Leaf；The composition uses gauge with every mu, and its component ratio is：Biology containing active bacillus subtilis
40 ~ 50g of product, third 30 ~ 50g of azoles moroxydine；30 ~ 50g of zinc sulfate, 70 ~ 100g of potassium dihydrogen phosphate are preferably comprised, it is further excellent
Choosing is also containing 100 ~ 125g of Luo effect king's liquid fertilizers.
A kind of cultural method for preventing and treating Virus Diseases of Sweet Potato, specifically comprises the following steps：
（1）Cultivating soil is handled, is specially：In 15 ~ 20Kg/ mu ratios, quick lime is spread in soil surface, then ploughs deeply soil 30
~ 50cm, and shine ground 4 ~ 5 days；
（2）Seedling and ridging, specifically, ridging when dialling slotting seedling, 50 ~ 90cm of line-spacing, 30 ~ 80cm of spacing in the rows between ridge, ridge is high by 20 ~
35cm；
The sweet potato variety is, for example, specifically：Business's potato 19, Qin's potato 5 etc.；
（3）Final-period management, it is specially：
Seedling stage single fertilization is pressed, uses composite fertilizer's 10 ~ 35kg/ mus（Nitrogen, phosphorus, potassium available nutrient content >=25% in composite fertilizer）；
Normal watering management；
Seedling stage and bifurcated phase are rolled into a ball in sweet potato respectively, the composition of Virus Diseases of Sweet Potato preventing and treating is sprayed, composition is watered 20 ~ 25kg and mixed
After closing uniformly（The every mu of amount of spraying）, seedling stage and bifurcated phase are rolled into a ball in sweet potato respectively, when soil moisture content is 40 ~ 60%, is sprayed in sweet
On potato blade；The composition component is：40 ~ 50g of biological products containing active bacillus subtilis, the third azoles moroxydine 30
~ 50g, 30 ~ 50g of zinc sulfate, 70 ~ 100g of potassium dihydrogen phosphate are preferably comprised, further preferably also containing Luo effect kings liquid fertilizer 100 ~
125g。
Using the cultivation side of the composition for being used for Virus Diseases of Sweet Potato preventing and treating and preventing and treating Virus Diseases of Sweet Potato provided herein
After method, preliminary experimental results show, Sweet Potato Leaf is big and dark green, and potato wedge is big, root tuber shape tubbiness, neat, and color of the leather is bright-coloured, food flavor
Good, surface is smooth, and keeping quality is good；Compared with the control, the virosis incidence of disease can reduce 70-80%, and yield can improve 40-60%,
Show preferably volume increase, the effect of increasing income.
In general, the application has simple, convenient technical advantage easy, prevention effect is excellent, can be preferable
Realize sweet potato virus disease control target and improve sweet potato planting benefit, show preferable application effect, thus with preferably
Application value.
Embodiment
The present invention is further explained explanation with reference to embodiment, before specific embodiment is introduced, with regard to following realities
Part Experimental Background situation briefly introduction in example is applied to be described as follows.
Experiment reagent：
Third azoles moroxydine：Dao Yuan biotech firms product（For the 18% the third azoles moroxydine wettable powders, it is one that the product, which has,
Kind high-efficiency low-toxicity, the viral inhibitors of absorbability wide spectrum, in use, two kinds of active ingredients respectively have the stronger mode of action and biology
Activity, the quick-acting and lasting effect of botanical pesticide can be strengthened during two kinds of active ingredient compounding uses）；
Zinc sulfate, potassium dihydrogen phosphate, Zhengzhou great Nong pharmaceutcal corporation, Ltds product；
Bacillus subtilis, Yunnan Xing Yao biological products Co., Ltd product（This product is wettable powder, and bacillus subtilis contains
Measure 1,000,000,000/g）, it is necessary to explain, the application mainly utilizes antagonism of the Bacillus subtilis strain for virus, suppression work
With, do not required for specific bacterial strain, thus other bacillus subtilis strains can also be applied；
Luo imitates king's liquid fertilizer：Henan Luo Xiao Wang biotech inc product（Product standard card number：NY1106-2010,
Specification fills for 250g, and its Major Nutrient content is：N (nitrogen)+P2O5（Phosphorus）K2O5（Potassium））>=350g/L, nitrogen, phosphorus, potassium single-element
>=80g/L, humic acid >=80g/L, produced and prepared using symphysis polymerization process）.
Biomaterial：
Business's potato 19, Qin's potato No. 5 numbers, sweet potato seedlings are commercialized for two kinds, specifically：
Business's potato 19：Blade is heart-shaped, and blade vein is entirely green, and vines are thick, and length and branch are medium, has knot potato early and especially collects
Middle feature, without " race side ", easily receive plane；Potato wedge is more and even, and epidermis is bright and clean, and upper potato rate and commodity rate are high；Potato wedge spindle, color of the leather are deep
It is red, yellowish pink extra white, dry rate 36-38%, content of starch 23-25%, the special excellent extra white of starch；
Qin's potato 5：The red skin strip of potato wedge, have potato shape is attractive in appearance, cooked quality is excellent, potato it is climing it is shorter, dry rate is higher, resistance more
By force, the advantages that yield potentiality is bigger；Blade, top green, heart-shaped, vein base is pale purple, and stem green, short climing, base portion branch is more,
Flowering naturally；The purplish red skin of potato wedge, yellowish meat, the long spindle of potato wedge, knot potato are concentrated, and individual plant knot potato 6-7, big-and-middle potato rate 82%, are sprouted
Bud is good, disease-resistant storage tolerance, and per mu yield can transplant up to more than 3000kg, spring and summer potato；Potato wedge dry rate more than 30%, starch contains
69.14% (butt) is measured, fresh sweet potato contains crude protein 1.11%, soluble sugar 5.03%.
Embodiment 1
The present embodiment is by taking the kind of business's potato 19 as an example, in March, 2016, planting experiment has been carried out in Xuchang City Xiangcheng County village field
（Before plantation, 2 years continuous sweet potato plantings, existing slight Virus Diseases of Sweet Potato are present in the plot）, related experiment situation is brief
It is described below.
（1）Cultivating soil is handled, is specially：In 15Kg/ mu ratios, quick lime is spread in soil surface, then ploughs deeply soil
30cm or so, and shine ground 4 days or so；
（2）Seedling and ridging, specifically, ridging when dialling slotting seedling, between ridge：Line-spacing 50cm, spacing in the rows 30cm, the high 20cm in ridge；
（3）Final-period management, it is specially：
Seedling stage single fertilization is pressed, uses certain brand composite fertilizer 10kg/ mu（Nitrogen, phosphorus, potassium available nutrient content in composite fertilizer >=
25%）；
Normal watering management；
Spray the composition of Virus Diseases of Sweet Potato preventing and treating：Composition is watered 20kg（The every mu of amount of spraying）After well mixed, exist respectively
Sweet potato group's seedling stage and bifurcated phase, when soil moisture content is 50% or so, mid-afternoon is sprayed on Sweet Potato Leaf；
The composition component is（Every mu of usage amount）：Biological products 40g containing active bacillus subtilis, the third azoles morpholine
Guanidine 30g；Also contain zinc sulfate 30g, potassium dihydrogen phosphate 70g, Luo effect king's liquid fertilizer 100g.
With above-mentioned cultivation management, control sample is set, differs only in the composition for not spraying Virus Diseases of Sweet Potato preventing and treating.
Statistical result shows：After the composition of bifurcated phase sprinkling Virus Diseases of Sweet Potato preventing and treating, Sweet Potato Leaf is big and dark green, potato
Block is big, root tuber shape tubbiness, neat, and color of the leather is bright-coloured, and surface is smooth, and food flavor is good, and keeping quality is good, and virosis reduces by 70%, yield
Improve 45%.
Embodiment 2
The present embodiment is by taking the kind of Qin's potato 5 as an example, in March, 2016, planting experiment has been carried out in Luohe City Yancheng District village field（Kind
Before plant, the plot 2 years continuous sweet potato plantings, with the presence of slight Virus Diseases of Sweet Potato）, the briefly introduction of related experiment situation is such as
Under.
（1）Cultivating soil is handled, is specially：In 20Kg/ mu ratios, quick lime is spread in soil surface, then ploughs deeply soil
50cm or so, and shine ground 5 days or so；
（2）Seedling and ridging, specifically, ridging when dialling slotting seedling, between ridge：Line-spacing 90cm, spacing in the rows 80cm, the high 35cm in ridge；
（3）Final-period management, it is specially：
Seedling stage single fertilization is pressed, uses certain brand composite fertilizer 35kg/ mu（Nitrogen, phosphorus, potassium available nutrient content in composite fertilizer >=
25%）；
Normal watering management；
Spray the composition of Virus Diseases of Sweet Potato preventing and treating：Composition is watered 25kg（The every mu of amount of spraying）After well mixed, exist respectively
Sweet potato group's seedling stage and bifurcated phase, when soil moisture content is 50% or so, mid-afternoon is sprayed on Sweet Potato Leaf；
The composition component is（Every mu of usage amount）：Biological products 50g containing active bacillus subtilis, the third azoles morpholine
Guanidine 50g；Also contain zinc sulfate 50g, potassium dihydrogen phosphate 100g, Luo effect king's liquid fertilizer 125g.
With above-mentioned cultivation management, control sample is set, differs only in the composition for not spraying Virus Diseases of Sweet Potato preventing and treating.
Statistical result shows：After the composition of sweet potato group seedling stage sprinkling Virus Diseases of Sweet Potato preventing and treating, Sweet Potato Leaf is big and deep
Green, potato wedge is big, root tuber shape tubbiness, neat, and color of the leather is bright-coloured, and surface is smooth, and food flavor is good, and keeping quality is good, and virosis reduces
80%, output increased 49%.
Embodiment 3
On the basis of embodiment 1, further to prove that Virus Diseases of Sweet Potato provided herein prevents and treats the technique effect of composition, hair
A person of good sense has further carried out part control experiment, is briefly discussed below.
With the plantation process of embodiment 1, inventor sets some experiment groups as follows by taking the kind of business's potato 19 as an example：
CK：Blank control, it is not added with the composition of any Virus Diseases of Sweet Potato preventing and treating；
Combination 1（Every mu of usage amount）：Biological products 40g containing active bacillus subtilis；
Combination 2（Every mu of usage amount）：Biological products 40g containing active bacillus subtilis；Also contain zinc sulfate 30g, phosphoric acid
Potassium dihydrogen 70g, Luo effect king's liquid fertilizer 100g；
Combination 3（Every mu of usage amount）：Third azoles moroxydine 30g；
Combination 4（Every mu of usage amount）：Third azoles moroxydine 30g；Also contain zinc sulfate 30g, potassium dihydrogen phosphate 70g, Luo effect king's liquid
Fertile 100g；
Combination 5（Every mu of usage amount）：Biological products 40g containing active bacillus subtilis, the third azoles moroxydine 30g；
Combination 6（Every mu of usage amount）：Biological products 40g containing active bacillus subtilis, the third azoles moroxydine 30g；Also contain
There are zinc sulfate 30g, potassium dihydrogen phosphate 70g, Luo effect king's liquid fertilizer 100g；
Every group of composition is watered 20kg（The every mu of amount of spraying）After well mixed, roll into a ball seedling stage in sweet potato respectively and the bifurcated phase spray,
The yield of sweet potato and prevention and cure of viruses effect of different groups are finally counted, as a result counts as follows：
。
Upper table analysis can be seen that in the case of identical nutrient formulation, compared to single third azoles moroxydine or withered
For careless bacillus reagent, when both are applied in combination and coordinate certain nutritional ingredient to be used in conjunction with, more preferable disease is being obtained
Viral disease prevention effect simultaneously, preferably improves yield of sweet potato, shows certain synergistic action effect, has preferably to promote and answers
With value.
Claims (7)
1. a kind of composition for Virus Diseases of Sweet Potato preventing and treating, it is characterised in that including the life containing active bacillus subtilis
40 ~ 50g of Tetramune, third 30 ~ 50g of azoles moroxydine；
The biological products containing active bacillus subtilis, it is raw to adsorb the biological products of active bacillus subtilis
In Tetramune bacillus subtilis activity number requirement be：8 ~ 1,000,000,000/g.
2. the composition for Virus Diseases of Sweet Potato preventing and treating as claimed in claim 1, it is characterised in that containing nutritious in composition
Thing, specific usage ratio are：40 ~ 50g of biological products containing active bacillus subtilis, third azoles 30 ~ 50g of moroxydine, sulphur
Sour 30 ~ 50g of zinc, 70 ~ 100g of potassium dihydrogen phosphate；
In biological products bacillus subtilis activity number requirement be：8 ~ 1,000,000,000/g.
3. the composition for Virus Diseases of Sweet Potato preventing and treating as claimed in claim 2, it is characterised in that contain Henan Luo in composition
A kind of Luo effect king's liquid fertilizers of Xiao Wang biotech inc production, specific usage ratio are：Containing active withered grass gemma
40 ~ 50g of biological products of bacillus, the third azoles 30 ~ 50g of moroxydine, 30 ~ 50g of zinc sulfate, potassium dihydrogen phosphate 70 ~ 100g, Luo imitate king
100 ~ 125g of liquid fertilizer；
In biological products bacillus subtilis activity number requirement be：8 ~ 1,000,000,000/g.
4. the composition for Virus Diseases of Sweet Potato preventing and treating as claimed in claim 3, it is characterised in that specifically usage ratio is：Contain
The biological products 40g of active bacillus subtilis, the third azoles moroxydine 30g, zinc sulfate 30g, potassium dihydrogen phosphate 70g, Luo effect
King's liquid fertilizer 100g；In biological products bacillus subtilis activity number requirement be：8 ~ 1,000,000,000/g.
5. the composition for Virus Diseases of Sweet Potato preventing and treating as claimed in claim 3, it is characterised in that specifically usage ratio is：Contain
The biological products 50g of active bacillus subtilis, the third azoles moroxydine 50g, zinc sulfate 50g, potassium dihydrogen phosphate 100g, Luo effect
King's liquid fertilizer 125g；In biological products bacillus subtilis activity number requirement be：8 ~ 1,000,000,000/g.
6. being used for application of the composition of Virus Diseases of Sweet Potato preventing and treating in sweet potato cultivation described in any one of claim 1 ~ 5, it is special
Sign is, for preventing and treating Virus Diseases of Sweet Potato；When specifically used, by composition in 20 ~ 25kg ratios be watered it is well mixed after, respectively
Seedling stage and bifurcated phase are rolled into a ball in sweet potato, is sprayed on Sweet Potato Leaf；The composition uses gauge with every mu, in its component：Contain
40 ~ 50g of biological products of active bacillus subtilis, third 30 ~ 50g of azoles moroxydine.
7. a kind of cultural method for preventing and treating Virus Diseases of Sweet Potato, it is characterised in that specifically comprise the following steps：
（1）Cultivating soil is handled, is specially：In 15 ~ 20Kg/ mu ratios, quick lime is spread in soil surface, then ploughs deeply soil 30
~ 50cm, and shine ground 4 ~ 5 days；
（2）Seedling and ridging, specifically, ridging when dialling slotting seedling, 50 ~ 90cm of line-spacing, 30 ~ 80cm of spacing in the rows between ridge, ridge is high by 20 ~
35cm；
（3）Final-period management, it is specially：
Seedling stage single fertilization is pressed, uses composite fertilizer's 10 ~ 35kg/ mus；
Normal watering management；
Seedling stage and bifurcated phase are rolled into a ball in sweet potato respectively, sprays the composition of Virus Diseases of Sweet Potato preventing and treating, is specially：Composition is watered 20
After ~ 25kg is well mixed, seedling stage and bifurcated phase are rolled into a ball in sweet potato respectively, when soil moisture content is 40 ~ 60%, is sprayed in Sweet Potato Leaf
On piece；
The composition, gauge is used with every mu, in its component, 40 ~ 50g of biological products containing active bacillus subtilis,
Third 30 ~ 50g of azoles moroxydine.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393154A (en) * | 2019-08-21 | 2019-11-01 | 徐州中农薯科农业发展有限公司 | A kind of fresh type Sweetpotato Viruses Elimination tissue-cultured seedling cultural method |
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| 佚名: "贵州道元推出丙硫唑系列绿色杀菌剂产品", 《营销界（农资与市场）》 * |
| 张成玲等: "不同药剂对甘薯病毒病薯苗生物学特性及品质的影响", 《江西农业学报》 * |
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| CN110393154A (en) * | 2019-08-21 | 2019-11-01 | 徐州中农薯科农业发展有限公司 | A kind of fresh type Sweetpotato Viruses Elimination tissue-cultured seedling cultural method |
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