CN103340123B - Sweet potato southern blight prevention method - Google Patents
Sweet potato southern blight prevention method Download PDFInfo
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- CN103340123B CN103340123B CN201310295341.1A CN201310295341A CN103340123B CN 103340123 B CN103340123 B CN 103340123B CN 201310295341 A CN201310295341 A CN 201310295341A CN 103340123 B CN103340123 B CN 103340123B
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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 prevention method.
Background technology
Sweet potato southern blight is a kind of soil-borne fungus venereal disease evil, and sweet potato producing region, Guizhou Province often has generation in various degree every year, and germ also can be caused harm flue-cured tobacco, peanut and other crops.Germ is propagated with soil, flowing water, seedling, and danger is comparatively large, and pathogen, once intrusion is caused harm, just accumulates year after year, is difficult to control later and eradicates, especially in the high temperature and rainy season in 7-8 month, very easily causing outbreak of epidemic to cause disaster.Under optimum conditions, the mycelia that sclerotial germination produces directly invades from potato shoot root portion or the climing base portion of stem or invades from wound, carries out breeding and causes harm, and causes potato shoot root portion or the climing base portion morbidity of stem, rots.Sclerotium ripe on new diseased plant is propagated by factors such as rainwater, irrigation water, insect, farming operations again, constantly causes and infects.In the whole season of growth of sweet potato, germ can repeatedly be infected repeatedly, and the sclerotium that last incidence tissue is formed falls into soil and survives the winter.
Southern blight a couple of days after sweet potato seedling cutting survival starts morbidity, the stem that buries is climing be injured after, just in the soft rotten shape of brown, in soil, stem climing beginning adularescent thin,tough silk shape mycelia occurs (therefore claiming southern blight), stem blade turns yellow, wilting, and withered gradually, and withered invalid strain can produce sclerotium.
That is: 1 in the past, mainly following methods is taked to the control of southern blight, select disease-resistant variety.2, carry out crop rotation, carry out crop rotation in more than 3 years with gramineous crop, reduce the accumulation of bacterium source.3, remove weeds in field, find that diseased plant is thoroughly removed, concentrate and burn, alleviate germ accumulation and propagate, control flow check line speed and degree.But these are all preventive measure, the disease occurred are compared and is difficult to control.
Summary of the invention
The object of the invention is: provide a kind of sweet potato southern blight prevention method, it can have good control efficiency to the sweet potato southern blight occurred.
The present invention is achieved in that sweet potato southern blight prevention method, adopt mass percent concentration be 30% first frost dislike mould clever 800-1000 times liquid spray medicine is carried out to plant surrounding of being injured, spray 2-3 time, each medication interval 5-7 days; Or to plant mass percent concentration of being injured be 25% triazolone, root-rot spirit dilution 600-800 doubly and mass percent concentration be 50% thiophanate fill with root, these three kinds of medicaments are alternately used 2 ~ 3 times, each medication interval 7 ~ 15 days; Or adopt mass percent concentration to be 70% thiophanate-methyl, 800 times of liquid irrigating roots, fill with root 2-3 time, each medication interval 10 days.
Above-mentioned various medicine adopts commercially available conventional products, each formulation rate is according to the conventional formulation rate medication of this area or use according to the specification of medicine, such as: thiophanate is according to specification, every mu is 50% thiophanate wetting powder 250-400 gram with mass percent concentration, is watered 50-75 kilogram and fills with root.
In order to verify experiment effect of the present invention, inventors performed following experiment:
Within 2012,8 Bai Shiyan townshiies of Yue Chu Ziyun, guizhou Province county have 120 mu of sweet potatoes to there occurs southern blight, adopt 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 proves, the southern blight of the present invention to the crop that sweet potato southern blight medicine occurs has result for the treatment of.
Owing to have employed above-mentioned technical scheme, the present invention filters out applicable medicine and using method, makes the crop that sweet potato southern blight medicine occurs obtain effectively preventing, can carry and reduce Crop damage greatly.Material source of the present invention is extensive, is easy to obtain, and using method is simple, with low cost, and result of use is good.
Embodiment
Embodiments of the invention 1: sweet potato southern blight prevention method, adopt mass percent concentration be 30% first frost dislike mould clever 1000 times of liquid and spray medicine carried out to plant surrounding of being injured, spray medicine 3 times, what spray medicine is spaced apart 5 days at every turn.
Embodiments of the invention 2: sweet potato southern blight prevention method, adopt mass percent concentration to be 25% be wetting powder 5000 times of liquid of triazolone, root-rot spirit dilutes 600 times and mass percent concentration is the thiophanate of 50%, medicament alternating spray uses each 1 time, each medication interval is 12 days, notes the even pouring foot of spray.
Embodiments of the invention 3: sweet potato southern blight prevention method, adopting mass percent concentration to be 25% is 70% thiophanate-methyl, 800 times of liquid irrigating roots, and fill with root 3 times, each medication interval is 10 days.
Claims (1)
1. a sweet potato southern blight prevention method, is characterized in that: adopt mass percent concentration be 30% first frost dislike mould clever 800-1000 times liquid spray medicine is carried out to plant surrounding of being injured, spray 2-3 time, each medication interval 5-7 days; Or to plant mass percent concentration of being injured be 25% triazolone, root-rot spirit dilution 600-800 doubly and mass percent concentration be 50% thiophanate fill with root, these three kinds of medicaments are alternately used 2 ~ 3 times, each medication interval 7 ~ 15 days; Or adopt mass percent concentration to be 70% thiophanate-methyl, 800 times of liquid irrigating roots, fill with root 2-3 time, each medication interval 10 days.
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| 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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| 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 CN103340123A (en) | 2013-10-09 |
| CN103340123B true 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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Families Citing this family (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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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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