CN103340123A - Sweet potato southern blight prevention method - Google Patents
Sweet potato southern blight prevention method Download PDFInfo
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- CN103340123A CN103340123A CN2013102953411A CN201310295341A CN103340123A CN 103340123 A CN103340123 A CN 103340123A CN 2013102953411 A CN2013102953411 A CN 2013102953411A CN 201310295341 A CN201310295341 A CN 201310295341A CN 103340123 A CN103340123 A CN 103340123A
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Abstract
The invention discloses a sweet potato southern blight prevention method. Metalaxyl hymexazol 800-1000 times liquid with the mass percent concentration of 30% is adopted to carry out pesticide spraying on the periphery of a damaged plant, and the spraying is carried out for 2-3 times and is carried out every 5-7 days; or triadimefon with the mass percent concentration of 25%, 600-800 times diluted root rot germicide and root-irrigation thiophanate with the mass percent concentration of 50% are utilized alternately for 2-3 times, and application of the three pesticides is carried out every 7-15 days; or 800 times thiophanate-methyl with the mass percent concentration of 70% is adopted to irrigate the root, and root irrigation is carried out for 2-3 times and is carried out every 10 days. Proper pesticides and a using method are screened out, plants where sweet potato southern blight is generated can obtain effective prevention, and loss of the plants can be greatly reduced. According to the sweet potato southern blight prevention method, sources of materials are wide, the materials are easy to obtain, the using method is simple and easy to achieve, cost is low, and using effects are good.
Description
Technical field
The present invention relates to field of agricultural sciences, especially a kind of sweet potato southern blight chemical control method.
Background technology
The sweet potato southern blight is a kind of soil-borne fungus venereal disease evil, and all there is generation in various degree every year in sweet potato producing region, Guizhou Province, germ also can cause harm flue-cured tobacco, peanut and other crops.Germ is propagated with soil, flowing water, seedling, and danger is bigger, and pathogen is in case intrusion is caused harm, and just accumulation year after year is difficult to control and elimination later on, especially in the high temperature and rainy season in 7-8 month, very easily causes outbreak of epidemic to cause disaster.Under optimum conditions, the mycelia that sclerotium sprout to produce is from potato shoot root portion or the climing base portion of stem is directly invaded or invade from wound, breeds and causes harm, cause the climing base portion of potato shoot root portion or stem fall ill, rotten.Ripe sclerotium can pass through factors propagation such as rainwater, irrigation water, insect, farming operation again on the new diseased plant, constantly causes again and infects.In the whole growth season of sweet potato, germ can repeatedly be infected repeatedly, and the sclerotium that last incidence tissue forms falls into soil and survives the winter.
Southern blight a couple of days behind sweet potato seedling cutting survival begins morbidity, the stem that buries is climing be injured after, just be the soft rotten shape of brown, (so claiming southern blight) appears in the climing beginning adularescent of stem thin,tough silk shape mycelia in the soil, the flavescence of stem blade, wilting, and withered gradually, in withered invalid strain, can produce sclerotium.
In the past, following method is mainly taked in the control of southern blight, that is: 1, select disease-resistant variety for use.2, carry out crop rotation, carry out crop rotation more than 3 years with gramineous crop, reduce the accumulation of bacterium source.3, remove weeds in field, the discovery diseased plant is thoroughly removed, and concentrates and burns, and alleviates the germ accumulation and propagates control epidemic rate and degree.But these all are preventive measure, are difficult with control for the disease that has taken place.
Summary of the invention
The objective of the invention is: a kind of sweet potato southern blight chemical control method is provided, and it can have the better prevention effect to the sweet potato southern blight that has taken place.
The present invention is achieved in that sweet potato southern blight chemical control method, and adopting mass percent concentration is that 30% first frost is disliked mould clever 800-1000 times liquid to spraying medicine around the plant that is injured, and spray medication interval 5-7 days at every turn 2-3 time; Or to be injured plant with mass percent concentration be 25% triazolone, root-rot spirit dilution 600-800 doubly to reach mass percent concentration be that 50% thiophanate is irritated root, these three kinds of medicaments are alternately used 2～3 times each medication interval 7～15 days; Or to adopt mass percent concentration be 800 times of liquid irrigating roots of 70% thiophanate-methyl, irritates root 2-3 time, and medication interval is 10 days at every turn.
Above-mentioned various medicine adopts commercially available conventional products, each formulation rate uses according to the conventional formulation rate medication of this area or according to the specification of medicine, for example: thiophanate is according to specification, every mu is 50% thiophanate wetting powder 250-400 gram with mass percent concentration, converts water 50-75 kilogram and irritates root.
In order to verify experiment effect of the present invention, the inventor has carried out following experiment:
Bai Shiyan township, purple Yun County, Guizhou has 120 mu of sweet potatoes that southern blight has taken place at the beginning of 2012 8 months, adopts technical scheme of the present invention, and after 20 days, the state of an illness of all morbidity sweet potatoes disappears, and sweet potato restore normal growth.
Experiment showed, that the present invention has result for the treatment of to the southern blight of crop that sweet potato southern blight medicine takes place.
Owing to adopted above-mentioned technical scheme, the present invention filters out suitable medicine and using method, makes the crop that sweet potato southern blight medicine takes place can obtain effectively preventing, can propose great reduction crop loss.Material source of the present invention is extensive, is easy to obtain, and using method is simple, and is with low cost, and result of use is good.
Embodiment
Embodiments of the invention 1: sweet potato southern blight chemical control method, adopting mass percent concentration is that 30% first frost is disliked mould clever 1000 times of liquid to spray medicine around the plant that is injured, spray medicine 3 times, be spaced apart 5 days of spraying medicine at every turn.
Embodiments of the invention 2: sweet potato southern blight chemical control method, adopting mass percent concentration is that 25% to dilute 600 times and mass percent concentration for 5000 times of liquid of wetting powder of triazolone, root-rot spirit be 50% thiophanate, medicament replaces spray application each 1 time, each medication interval is 12 days, notes the even foot that drenches of spray.
Embodiments of the invention 3: sweet potato southern blight chemical control method, adopting mass percent concentration is 25% to be 800 times of liquid irrigating roots of 70% thiophanate-methyl, irritates root 3 times, each medication interval is 10 days.
Claims (1)
1. sweet potato southern blight chemical control method is characterized in that: adopting mass percent concentration is that 30% first frost is disliked mould clever 800-1000 times liquid to spraying medicine around the plant that is injured, and spray medication interval 5-7 days at every turn 2-3 time; Or to be injured plant with mass percent concentration be 25% triazolone, root-rot spirit dilution 600-800 doubly to reach mass percent concentration be that 50% thiophanate is irritated root, these three kinds of medicaments are alternately used 2～3 times each medication interval 7～15 days; Or to adopt mass percent concentration be 800 times of liquid irrigating roots of 70% thiophanate-methyl, irritates root 2-3 time, and medication interval is 10 days at every turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310295341.1A CN103340123B (en) | 2013-07-15 | 2013-07-15 | Sweet potato southern blight prevention method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310295341.1A CN103340123B (en) | 2013-07-15 | 2013-07-15 | Sweet potato southern blight prevention method |
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| CN103340123A true CN103340123A (en) | 2013-10-09 |
| CN103340123B CN103340123B (en) | 2015-05-13 |
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| CN201310295341.1A Expired - Fee Related CN103340123B (en) | 2013-07-15 | 2013-07-15 | Sweet potato southern blight prevention method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103947485A (en) * | 2014-04-16 | 2014-07-30 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Simple and convenient pesticide applying method for preventing and treating underground insects |
| CN104396680A (en) * | 2014-09-24 | 2015-03-11 | 陈辉 | Grape southern blight controlling method |
| CN105230404A (en) * | 2015-10-16 | 2016-01-13 | 金寨县绿野中药材专业合作社 | Method for controlling sclerotium rolfsii for oriental paperbush which is medicinal material |
| CN107736205A (en) * | 2017-11-28 | 2018-02-27 | 镇江宝成生物科技有限公司 | One cultivates peanut pest control method |
| CN110249962A (en) * | 2019-07-09 | 2019-09-20 | 江苏徐淮地区徐州农业科学研究所(江苏徐州甘薯研究中心) | Resistance Identification method in sweet potato root rot seedling stage room |
Citations (3)
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| CN102533611A (en) * | 2012-02-10 | 2012-07-04 | 中国农业科学院农业资源与农业区划研究所 | Efficient phosphorus-dissolution promotion bacteria, microbial agent prepared from same and application of microbial agent |
| CN102659485A (en) * | 2012-04-19 | 2012-09-12 | 重庆市彭水县天娇农业开发有限公司 | Special fertilizer for preventing and treating konjac diseases and insect pests |
| CN102826911A (en) * | 2012-09-19 | 2012-12-19 | 贵州省土壤肥料研究所 | Microbial organic special fertilizer for preventing sclerotium rolfsii of houttuynia cordata and preparation method of microbial organic special fertilizer |
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2013
- 2013-07-15 CN CN201310295341.1A patent/CN103340123B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102533611A (en) * | 2012-02-10 | 2012-07-04 | 中国农业科学院农业资源与农业区划研究所 | Efficient phosphorus-dissolution promotion bacteria, microbial agent prepared from same and application of microbial agent |
| CN102659485A (en) * | 2012-04-19 | 2012-09-12 | 重庆市彭水县天娇农业开发有限公司 | Special fertilizer for preventing and treating konjac diseases and insect pests |
| CN102826911A (en) * | 2012-09-19 | 2012-12-19 | 贵州省土壤肥料研究所 | Microbial organic special fertilizer for preventing sclerotium rolfsii of houttuynia cordata and preparation method of microbial organic special fertilizer |
Non-Patent Citations (3)
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| 吴云等: "魔芋病虫害综合防治技术", 《中国蔬菜》 * |
| 肖崇刚等: "《蔬菜病虫害防治新技术》", 31 December 2000 * |
| 高文琦等: "《蔬菜病虫害识别与防治彩色图解》", 31 December 2003 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103947485A (en) * | 2014-04-16 | 2014-07-30 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Simple and convenient pesticide applying method for preventing and treating underground insects |
| CN104396680A (en) * | 2014-09-24 | 2015-03-11 | 陈辉 | Grape southern blight controlling method |
| CN105230404A (en) * | 2015-10-16 | 2016-01-13 | 金寨县绿野中药材专业合作社 | Method for controlling sclerotium rolfsii for oriental paperbush which is medicinal material |
| CN107736205A (en) * | 2017-11-28 | 2018-02-27 | 镇江宝成生物科技有限公司 | One cultivates peanut pest control method |
| CN110249962A (en) * | 2019-07-09 | 2019-09-20 | 江苏徐淮地区徐州农业科学研究所(江苏徐州甘薯研究中心) | Resistance Identification method in sweet potato root rot seedling stage room |
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| CN103340123B (en) | 2015-05-13 |
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Granted publication date: 20150513 Termination date: 20210715 |