CN105104430B - A kind of soil sterilants and its control method of prevention Phytophthora capsici - Google Patents
A kind of soil sterilants and its control method of prevention Phytophthora capsici Download PDFInfo
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- CN105104430B CN105104430B CN201510613686.6A CN201510613686A CN105104430B CN 105104430 B CN105104430 B CN 105104430B CN 201510613686 A CN201510613686 A CN 201510613686A CN 105104430 B CN105104430 B CN 105104430B
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Abstract
The present invention relates to a kind of soil sterilants and its control method of prevention Phytophthora capsici, the raw material components of the soil sterilants include carbamide peroxide and biogas slurry, and the mass ratio of carbamide peroxide and biogas slurry is：(1~5)：(95~99), soil sterilants of the invention can kill the phytophthora blight of pepper in soil, make crop and seedling from the threat of soil-borne disease, and certain nutriment, noresidue are provided for plant strain growth.
Description
Technical field
The present invention relates to a kind of soil sterilants and its control method of prevention Phytophthora capsici, belong to crops Prevention Technique
Field.
Background technology
In recent years, due to the rise of intensive cropping pattern, same plot continuous cropping plantation phenomenon is serious, with implantation time
Extension, serious, such as cucumber fusarium axysporum, tomato wilt, capsicum epidemic disease, root knot nematode disease, pest and disease damage occur for soil-borne disease
Harm and its prevention cause the direct decline of peasant income, on the other hand since single similar medicament and peppery is used for a long time
Green pepper phytophthora leads to the reduction of some pharmacy control efficacies, difficulty, and some medicines is brought to prevention to the adaptive variation of chemical agent
Agent residual quantity is larger, certain influence can be generated to soil, and there is also negative effects etc. to crop, therefore filter out
New effective low-residual fungicide loses caused by reducing capsicum epidemic disease and is of great significance.
Invention content
In view of the deficiencies of the prior art, the present invention relates to a kind of soil sterilants of prevention Phytophthora capsici and its prevention sides
Method.
Technical scheme is as follows：
A kind of soil sterilants of prevention Phytophthora capsici, the raw material components of the soil sterilants include carbamide peroxide and natural pond
The mass ratio of liquid, carbamide peroxide and biogas slurry is：(1~5)：(95~99).
Currently preferred, the biogas slurry is chicken manure biogas slurry, and the EC values of biogas slurry are 1~5mScm-1, pH be 7.3~
7.5, quinolinones compound content is 300~310 μ g/L in chicken manure biogas slurry.
It is further preferred that the EC values of chicken manure biogas slurry are 2~3mScm-1, pH 7.43, quinolinones in chicken manure biogas slurry
Compounds content is 305 μ g/L.
Currently preferred, the mass ratio of carbamide peroxide and biogas slurry is：(1~3)：(97~99), highly preferred, mistake
Oxidation urea and the mass ratio of biogas slurry are：1：99.
The preparation method of the soil sterilants of above-mentioned prevention Phytophthora capsici, including steps are as follows：
It is 1~5mScm that chicken manure biogas slurry, which is diluted to its EC value,-1, biogas slurry dilution is obtained, then weighs and weighed in proportion
Urea and biogas slurry dilution are aoxidized, carbamide peroxide is dissolved in biogas slurry dilution mixing to get the soil of prevention Phytophthora capsici
Earth disinfectant.
The carbamide peroxide of the present invention, chicken manure biogas slurry is the prior art, commercial products.
Carbamide peroxide is industrial net product, and Beijing Li Deshi Chemical Co., Ltd.s are on sale.
Chicken manure biogas slurry picks up from Beijing eldest son battalion town and stays private methane station.
The present invention prevents the application of the soil sterilants of Phytophthora capsici, for killing phytophthora blight of pepper.
Using the method that the soil sterilants of present invention prevention Phytophthora capsici prevents phytophthora blight of pepper, steps are as follows：
Within pepper seedling field planting the last week, in the soil sterilants 1 of upper soll layer to be colonized application prevention Phytophthora capsici
It~3 times, applies again after Seeding planting slow seedling primary；Every plant of pepper seedling amount of application is 3~8ml every time, or amount of application is per acre
30~50L.
According to currently preferred, using in the following way：Using pouring root, spray or directly by the way of watering Irrigation into
Row application.
Beneficial effects of the present invention are as follows：
The soil sterilants of the present invention can kill the phytophthora blight of pepper in soil, make crop and seedling from soil-borne disease
Threat, and certain nutriment, noresidue are provided for plant strain growth.
Description of the drawings
Fig. 1 is the control effect curve graph that capsicum is inoculated with 2-4 of the embodiment of the present invention after phytophthora.
Specific implementation mode
Below by specific embodiment and in conjunction with attached drawing, the present invention will be further described, but not limited to this.
Embodiment 1
A kind of soil sterilants of prevention Phytophthora capsici, the raw material components of the soil sterilants include carbamide peroxide and natural pond
The mass ratio of liquid, carbamide peroxide and biogas slurry is：1：99, biogas slurry is chicken manure biogas slurry, and the EC values of biogas slurry are 3mScm-1。
Preparation process is as follows：
It is 3mScm that chicken manure biogas slurry, which is diluted to its EC value,-1, biogas slurry dilution is obtained, then weighs and weighs peroxide in proportion
Change urea and biogas slurry dilution, carbamide peroxide is dissolved in biogas slurry dilution mixing to get the soil of prevention Phytophthora capsici
Disinfectant.
Bacteriostatic experiment
By celery waste mashing handle, weigh 1g slurries be fitted into it is pending in culture dish.Sterile water 20ml is used to make respectively
After control group, the soil sterilants 20ml of 1% present invention, immersion 5min, dilution series are prepared, using dilution plate counting method
The measurement of micro organism quantity is carried out, often processing sets 3 repetitions.Processing is carried out in aseptic operating platform, and container used passes through in experiment
High-temperature sterilization prevents living contaminants in operating process.28 DEG C of constant temperature incubations start counting up for 3 days, and continuous counter three days takes bacterium number most
More is once final result.The results are shown in Table 1.
Compared with CK, the present embodiment 1 is so that bacterium and Population of Actinomycetes reduce by 83.33% and 65.13% respectively, up to aobvious
Work property is horizontal.
Table 1
Note：The different letters of same column indicate significant difference (P<0.05), similarly hereinafter.
Embodiment 2：
The method of soil sterilants prevention the capsicum bacterium and actinomyces of the prevention Phytophthora capsici of Application Example 1,
Pepper seed was sowed in seedlings nursing plate in 12 in September in 2013, within pepper seedling field planting the last week, in waiting being colonized
Upper soll layer sprays the soil sterilants 2 times of prevention Phytophthora capsici, and every plant of pepper seedling amount of spraying is 5mL every time.In order to embody
Control effect is inoculated with 1mL/ plants of Phytophthora capsici sporangia suspension using root-pouring method, observes to capsicum epidemic disease until when seedling age was up to 60 days
Mould control effect.
Embodiment 3：
The method of soil sterilants prevention the capsicum bacterium and actinomyces of the prevention Phytophthora capsici of Application Example 1,
Pepper seed was sowed in seedlings nursing plate in 12 in September in 2013, within pepper seedling field planting the last week, in waiting being colonized
Upper soll layer sprays the soil sterilants 2 times of prevention Phytophthora capsici, and every plant of pepper seedling amount of spraying is 5mL, Seeding planting every time
It is applied again once after slow seedling, every plant is applied 5mL.In order to embody control effect, until when seedling age was up to 60 days, it is inoculated with using root-pouring method peppery
1mL/ plants of green pepper phytophthora sporangia suspension observes the control effect to Phytophthora capsici.
Pepper seedling after inoculation carries out normal water and fertilizer management, keeps certain temperature and humidity, in favor of to approved for distribution
Disease starts daily investigation records and respectively handles capsicum epidemic disease incidence after 10 days, until only inoculation processing plant disease index reaches
Terminate to test when 100%.Capsicum incidence dynamic change after inoculation is as shown in Figure 1, to Phytophthora capsici when off-test
Control effect is as shown in table 2.
After being inoculated with Phytophthora capsici, embodiment 2 then shows 15 days or so preventive effects (disease index 0%), embodiment 3
Then to the beginning to eventually without incidence.
Table 2
As can be seen from the above table, the control effect of embodiment 2 is 55.83%, and the control effect of embodiment 3 is 100%, this
The disinfectant of invention can effectively kill bacterium and actinomyces, and have good control effect to Mycophytas such as Phytophthora capsicis.
Claims (2)
1. a kind of application of the soil sterilants of prevention Phytophthora capsici, the raw material components of the soil sterilants include peroxidating
The mass ratio of urea and biogas slurry, carbamide peroxide and biogas slurry is：1:99；The biogas slurry is chicken manure biogas slurry, and the EC values of biogas slurry are 2
~3mS cm-1, pH 7.43, quinolinones compound content is 305 μ g/L in chicken manure biogas slurry；
It is 1~5mS cm that chicken manure biogas slurry, which is diluted to its EC value,-1, biogas slurry dilution is obtained, then weighs and weighs peroxidating in proportion
Carbamide peroxide is dissolved in mixing in biogas slurry dilution and disappeared to get the soil of prevention Phytophthora capsici by urea and biogas slurry dilution
Toxic agent；
The method for preventing Phytophthora capsici, steps are as follows：
Within pepper seedling field planting the last week, in the soil sterilants 1~3 of upper soll layer to be colonized application prevention Phytophthora capsici
It is secondary, it is applied again after Seeding planting slow seedling primary；Every plant of pepper seedling amount of application is 3~8ml every time, or per acre amount of application be 30~
50L。
2. the application of the soil sterilants of prevention Phytophthora capsici according to claim 1, which is characterized in that application is using such as
Under type：Using pouring root, sprays or be directly administered by the way of watering Irrigation.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105454306A (en) * | 2015-12-29 | 2016-04-06 | 辛集市远翔环保能源科技有限公司 | Agricultural bactericidal composition |
| CN106962404B (en) * | 2017-02-22 | 2020-04-14 | 中国农业科学院棉花研究所 | Application of concentrated biogas slurry as glyphosate isopropylamine salt synergist |
| CN110583699B (en) * | 2019-09-24 | 2021-07-27 | 湖南省蔬菜研究所 | Organic preparation for preventing and treating pepper phytophthora blight and white star disease and preparation and use method thereof |
| CN111202102B (en) * | 2020-02-17 | 2021-04-02 | 山东省农业科学院农业资源与环境研究所 | Application of silage seepage liquid in bacterial wilt prevention and control |
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| CN101803612A (en) * | 2010-04-09 | 2010-08-18 | 中国人民解放军防化指挥工程学院 | Solid binary peroxy acid disinfectant |
| CN103011971A (en) * | 2012-12-26 | 2013-04-03 | 福建超大集团有限公司 | Manufacturing method of compound organic fertilizer with fertilizer-retaining and loss-controlling functions |
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| CN101803612A (en) * | 2010-04-09 | 2010-08-18 | 中国人民解放军防化指挥工程学院 | Solid binary peroxy acid disinfectant |
| CN103011971A (en) * | 2012-12-26 | 2013-04-03 | 福建超大集团有限公司 | Manufacturing method of compound organic fertilizer with fertilizer-retaining and loss-controlling functions |
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