CN103891559A - Method for preventing and treating potato late blight through insecticides - Google Patents
Method for preventing and treating potato late blight through insecticides Download PDFInfo
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- CN103891559A CN103891559A CN201410167501.9A CN201410167501A CN103891559A CN 103891559 A CN103891559 A CN 103891559A CN 201410167501 A CN201410167501 A CN 201410167501A CN 103891559 A CN103891559 A CN 103891559A
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Abstract
The invention provides a method for preventing and treating the potato late blight through insecticides. The method is characterized in that (1) in the initial potato squaring stage when the potato late blight does not come on, insecticide spraying is carried out on complete potato seedlings with 40kg-50kg of mixed preparation liquid per mu for the first time, wherein the mass ratio is that 75% mancozeb:water is 1:450-600; (2) when center diseased potato seedlings are found in the field, insecticide spraying is carried out on the complete potato seedlings with 40kg-50kg of mixed preparation liquid per mu for the second time, wherein the mass ratio is that 25% mandipropamid suspending agents:oxadixyl:water is 1:3-4:1500-1800; (3) when insecticide spraying for the second time is carried out 7-10 days later, insecticide spraying is carried out on the complete potato seedlings with 40kg-50kg of mixed preparation liquid per mu for the third time, wherein the mass ratio is that qomycete disease sterilizing agents:water is 1:600-700. By means of the method, equal attention is paid to prevention and treatment, and occurrence and spreading of the potato late blight are effectively controlled. The types of the insecticides used in all stages are different, the insecticide resistance is reduced, and the effect for preventing and treating the potato late blight through the insecticides is improved.
Description
Technical field
The present invention relates to a kind of method of medical treatment potato late blight.
Background technology
Potato late blight by phytophthora infestans [
phytophthora infestans(Mont.) deBary] a kind of general and endanger serious disease in the potato production process that causes.Because of late blight make potato plant withered in advance, cause the loss of output and the reduction of quality, there is the serious time underproduction more than 50%.Medical treatment is the important means of potato late blight control, but at present medical treatment potato late blight method is that to prevent be that auxiliary, treatment is main, while selecting different phase medicine, select same type or same medicament, such one is to be effectively controlled popular being difficult to of potato late blight, the 2nd, different phase is used same type or same medicament, pesticide resistance strengthens, and drug effect lowers.As Chinese patent application CN101971768 A discloses a kind of method of preventing and treating potato late blight, its method is late blight their early stage, per hectare is watered 600 kilograms with 25% rare oxime bacterium ester EC600～750 milliliter, be made into liquid, to potato complete stool even spraying, general spray medicine 2～3 times, 7～8 days, interval.And for example Chinese patent CN102577810 B discloses a kind of method of preventing and treating of potato late blight, and wherein chemical control link is for being used systemic fungicide to treat at late blight initial stage of origination.
Summary of the invention
The object of the invention is for above-mentioned weak point, a kind of method that provides prevention and treatment to lay equal stress on, reduce drug-fast medical treatment potato late blight, makes that potato late blight is popular to be effectively controlled, and improves the effect of medical treatment potato late blight.
The present invention is achieved in that
1, in the time that potato early squaring is not fallen ill, every mu of complete stool spraying 75% mancozeb in mass ratio for the first time: mixed preparing liquid 40 ㎏～50 ㎏ that water is 1:450～600;
2,, when " primary infection focus " found in field, every mu of complete stool spraying is auspicious all in mass ratio for the second time: Sandofan: mixed preparing liquid 40 ㎏～50 ㎏ that water is 1:3～4:1500～1800;
3, spray for the second time after medicine 7～10 days, for the third time every mu of complete stool Yin Fali in mass ratio that sprays: mixed preparing liquid 40 ㎏～50 ㎏ that water is 1:600～700.
In the present invention, in the time that early squaring is not fallen ill, first use mancozeb to carry out complete stool spraying, the generation of prevention and control potato late blight.Mancozeb is a kind of good protective fungicide, belongs to low-toxin farm chemicals, is difficult for producing resistance, and manganese, zinc microelement have significantly short strong effect to crop, improve plant resistance against diseases.Find when " primary infection focus ", to use " auspicious all+Sandofan " mixed preparing liquid when field and carry out complete stool spraying, can effectively treat potato late blight and control spreading of potato late blight.Auspicious all be 25% mandipropamid suspending agent; its mechanism of action mandipropamid is by disturbing phosphatide and the sedimental biosynthesis of cell wall of pathomycete; reach and suppress spore germination and mycelial growth object; can be rapidly absorbed by blade; and rest in leaf table wax coat, blade is shielded.Sandofan has another name called Wakil MnZn, is a kind of high-efficiency low-toxicity systemic fungicide with protection, therapeutic action, after being absorbed, can in plant body, be transmitted to each organ by plant roots, stem, leaf, resistance of rainwater washing against, and the lasting period is long.Spray for the second time after medicine 7～10 days, use for the third time Yin Fali to carry out complete stool spraying, Yin Fali is by curative fungicide agent fluopicolide and the strong interior composite novel mixture forming of conductivity bactericide propamocarb of inhaling, fluopicolide Main Function is in cell membrane and intercellular specific proteins and show bactericidal activity, unique thin layer penetrability can be strengthened cross conduction and longitudinal carrying capacity of medicament, all have good inhibition active to each Main Morphology of pathogen, treatment potential is outstanding; Propamocarb has stronger interior suction conductivity, after soil treatment, can conduct up and down rapidly, after foliar spray, also can be distributed in rapidly in blade, medication can play a role for 30 minutes, the fungus-caused all kinds of crop late blights of Oomycete is shown to the control efficiency of super excellence.Yin Fali makes two kinds of active ingredient synergistic effects remarkable.
The method that the present invention prevents and treats potato late blight is to spray for the first time medicine to adopt that to put prevention first, treat be auxiliary measure, spray for the second time the measure that medicine has adopted prevention and treatment to lay equal stress on, spraying for the third time medicine employing treatment is main measure, potato late blight is occurred and popularly obtained effective control, and the medicament categories difference that each stage is used, reduce pesticide resistance, improved the effect of medical treatment potato late blight.Use the present invention, the disease index of potato late blight can be controlled in 14, and control efficiency can 52.6%～55.45%, prevents and treats potato late blight method mu volume increase fresh potato potato 27%～30% than conventional medicine.
Embodiment
1,, in the time that potato early squaring is not fallen ill, every mu is watered 45kg with concentration 75% mancozeb 75g～100g and mixes the spraying of rear complete stool for the first time;
2,, when " primary infection focus " found in field, the every mu of auspicious all 25 ml～30ml+ of use Sandofan 75g～100g is watered 45kg and mixes rear complete stool spraying for the second time;
3, spray for the second time after medicine 7～10 days, every mu is watered 45kg with Yin Fali 60ml～75ml and mixes rear complete stool spraying for the third time.
Above spraying time is at fine day, to improve control efficiency.
Claims (1)
1. a method for medical treatment potato late blight, is characterized in that, step is as follows:
(1) in the time that potato early squaring is not fallen ill, every mu of complete stool spraying for the first time, spray liquid is 75% mancozeb in mass ratio: mixed preparing liquid 40 ㎏～50 ㎏ that water is 1:450～600;
(2) when " primary infection focus " found in field, every mu of complete stool spraying for the second time, spray liquid is auspicious all in mass ratio: Sandofan: mixed preparing liquid 40 ㎏～50 ㎏ that water is 1:3～4:1500～1800;
(3) spray for the second time after medicine 7～10 days, every mu of complete stool spraying for the third time, spray liquid is Yin Fali in mass ratio: mixed preparing liquid 40 ㎏～50 ㎏ that water is 1:600～700.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410167501.9A CN103891559B (en) | 2014-04-24 | 2014-04-24 | A kind of method of the medical treatment late blight of potato |
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| CN201410167501.9A CN103891559B (en) | 2014-04-24 | 2014-04-24 | A kind of method of the medical treatment late blight of potato |
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| CN103891559A true CN103891559A (en) | 2014-07-02 |
| CN103891559B CN103891559B (en) | 2016-10-05 |
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| CN201410167501.9A Active CN103891559B (en) | 2014-04-24 | 2014-04-24 | A kind of method of the medical treatment late blight of potato |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106416722A (en) * | 2016-10-17 | 2017-02-22 | 张俊良 | Method for preventing and treating potato late blight |
| CN108887048A (en) * | 2018-08-10 | 2018-11-27 | 恩施土家族苗族自治州农业科学院 | The control method of the late blight of potato and its application |
| CN112021335A (en) * | 2020-09-10 | 2020-12-04 | 重庆大学 | Method for preventing and treating plant oomycete diseases by combining biological pesticide and chemical pesticide |
| CN112314282A (en) * | 2020-10-13 | 2021-02-05 | 中国农业科学院植物保护研究所 | Green prevention and control method for potato late blight |
Citations (2)
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|---|---|---|---|---|
| CN101091434A (en) * | 2006-06-23 | 2007-12-26 | 王万丽 | Method for planting spring seeding potato |
| CN102577810A (en) * | 2012-03-09 | 2012-07-18 | 四川省农业科学院作物研究所 | Prevention and control method of potato late blight |
-
2014
- 2014-04-24 CN CN201410167501.9A patent/CN103891559B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091434A (en) * | 2006-06-23 | 2007-12-26 | 王万丽 | Method for planting spring seeding potato |
| CN102577810A (en) * | 2012-03-09 | 2012-07-18 | 四川省农业科学院作物研究所 | Prevention and control method of potato late blight |
Non-Patent Citations (3)
| Title |
|---|
| 和习琼等: "农药组合防治马铃薯晚疫病田间试验", 《云南农业》, no. 9, 31 December 2011 (2011-12-31), pages 30 * |
| 王绍林等: "丽江马铃薯晚疫病综合防治技术", 《HTTP://WWW.YNAGRI.GOV.CN/LJ/NEWS781/20130608/4020568.SHTML》, 8 June 2013 (2013-06-08) * |
| 王绍林等: "马铃薯垄作密植综合配套栽培技术", 《中国马铃薯》, vol. 25, no. 6, 31 December 2011 (2011-12-31), pages 348 - 349 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106416722A (en) * | 2016-10-17 | 2017-02-22 | 张俊良 | Method for preventing and treating potato late blight |
| CN106416722B (en) * | 2016-10-17 | 2019-06-11 | 张俊良 | A kind of control method of potato late blight |
| CN108887048A (en) * | 2018-08-10 | 2018-11-27 | 恩施土家族苗族自治州农业科学院 | The control method of the late blight of potato and its application |
| CN112021335A (en) * | 2020-09-10 | 2020-12-04 | 重庆大学 | Method for preventing and treating plant oomycete diseases by combining biological pesticide and chemical pesticide |
| CN112021335B (en) * | 2020-09-10 | 2022-01-28 | 重庆大学 | Method for preventing and treating plant oomycete diseases by combining biological pesticide and chemical pesticide |
| CN112314282A (en) * | 2020-10-13 | 2021-02-05 | 中国农业科学院植物保护研究所 | Green prevention and control method for potato late blight |
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| Publication number | Publication date |
|---|---|
| CN103891559B (en) | 2016-10-05 |
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