CN105612970A - Sustained-release agent method for controlling phytophthora parasitica - Google Patents

Sustained-release agent method for controlling phytophthora parasitica Download PDF

Info

Publication number
CN105612970A
CN105612970A CN201410612978.3A CN201410612978A CN105612970A CN 105612970 A CN105612970 A CN 105612970A CN 201410612978 A CN201410612978 A CN 201410612978A CN 105612970 A CN105612970 A CN 105612970A
Authority
CN
China
Prior art keywords
flue
cured tobacco
fertilizer
soil
disease
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410612978.3A
Other languages
Chinese (zh)
Inventor
补雪梅
曾庆宾
蒋长春
唐力为
向裕华
蒋加奇
孙强
李再胜
余伟
杨建春
滕志
张瑞平
潘兴兵
官宇
吕婉茹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PANZHIHUA INSTITUTE OF AGRICULTURE AND FORESTRY SCIENCE
SICHUAN TOBACOO Corp PANZHIHUA BRANCH
Original Assignee
PANZHIHUA INSTITUTE OF AGRICULTURE AND FORESTRY SCIENCE
SICHUAN TOBACOO Corp PANZHIHUA BRANCH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PANZHIHUA INSTITUTE OF AGRICULTURE AND FORESTRY SCIENCE, SICHUAN TOBACOO Corp PANZHIHUA BRANCH filed Critical PANZHIHUA INSTITUTE OF AGRICULTURE AND FORESTRY SCIENCE
Priority to CN201410612978.3A priority Critical patent/CN105612970A/en
Publication of CN105612970A publication Critical patent/CN105612970A/en
Pending legal-status Critical Current

Links

Landscapes

  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to a method for controlling phytophthora parasitica, belongs to the field of flue-cured tobacco planting and provides a sustained-release agent method for controlling phytophthora parasitica. The method comprises specific steps as follows: corncob carbon is adopted to adsorb a drug for controlling phytophthora parasitica and then is buried at the root and tuber parts of flue-cured tobacco. The corncob carbon is adopted and is loose and porous, so that more agent or more fertilizer can be adsorbed, the sustained-release function can be realized when the corncob carbon is placed at the root part of the plant, the speed of the agent or the fertilizer leached by rainwater can be decreased when the corncob carbon is washed by rainwater, the agent is kept to act on the root and tuber parts of the plant, the use quantity of the agent or the fertilizer can be saved, and the number of fertilizer or agent application times is reduced. With the adoption of the method, phytophthora parasitica can be effectively controlled, the method is also suitable for controlling black shank of other crops as well as a few soil-borne diseases and insect pests, and the use quantity of pesticides and workload are reduced.

Description

Slow-releasing agent method preventing and treating flue-cured tobacco balck shank
Technical field
The present invention relates to a kind of method preventing and treating flue-cured tobacco balck shank, belong to tobacco planting field.
Background technology
Tobacco black shank bacterium was found first and described in 1896 at Indonesian melon by BredadeHaan the earliest, this germ black shank be a kind of widely distributed, one of serious worldwide Main Tobacco Diseases of causing harm. Balck shank is one of most destructive disease in cured tobacco production, being commonly called as " black stalk is crazy " flue-cured tobacco balck shank (Phytophthoraparasiticavar.nicotianae (BredadeHean) Tucker) is fungus Mastigomycotina, balck shank is soil-transmitted disease, pathogenic bacteria can survive on soil, compost and invalid body, propagated by flowing water, meeting high temperature and humidity environment and be prone to morbidity, according to investigations, the soil flue-cured tobacco balck shank sickness rate of continuous cropping every year is more than 18%; Black shank can infect at any growing stage of Nicotiana tabacum L. causes harm, but main harm field period cigarette strain. It is dead in flakes that morbidity in seedling stage often results in tobacco seedlings, becomes shape of dampinging off, and field period morbidity then can cause whole cigarette strain wilting suddenly and with root or basal part of stem blackening symptom, often result in irredeemable loss.
For a long time, relying primarily on chemical pesticide and fertilizer preventing and treating black shank, its application process is mainly spread fertilizer over the fields, is watered spraying, is watered the mode of pouring root, but these modes have a disadvantage in that after rain drop erosion, dilution medicament and fertilizer, do not reach the effect of controlling disease and fertilizer conservation
Summary of the invention
For drawbacks described above, the present invention provides a kind of method preventing and treating flue-cured tobacco balck shank, adopts the inventive method, it is possible to effectively preventing and treating is such as soil-borne diseases such as balck shanks, minimizing pesticide make consumption; Fertilizer is not wasted during fertilising.
Technical scheme:
First technical problem to be solved by this invention is to provide a kind of slow-releasing agent method preventing and treating flue-cured tobacco balck shank, particularly as follows: after adopting the absorption of corn cob charcoal to prevent and treat the medicine of balck shank, be buried in flue-cured tobacco rhizome portion soil.
Further, after adopting the absorption of corn cob charcoal to prevent and treat the medicine of balck shank, it is buried in 2��5cm place under flue-cured tobacco rhizome portion soil.
Preferably, described flue-cured tobacco is the big gold dollar flue-cured tobacco of Flos Carthami.
Second technical problem to be solved by this invention is to provide a kind of method to crops dispenser or fertilising, particularly as follows: after adopting medicine or the fertilizer of corn cob charcoal absorption controlling disease, be buried in Crop Root stem soil.
Preferably, described soil-borne disease is balck shank, root rot or root knot nematode disease.
It is furthermore preferred that described soil-borne disease is balck shank or root knot nematode disease; It is more preferably balck shank.
Described fertilizer is the fertilizer needing slowly to use, such as compound fertilizer.
Preferably, above-mentioned in Crops in Applying Fertilizer method, described crops flue-cured tobacco.
Preferably, in said method, after the medicine of corn cob charcoal absorption controlling disease or fertilizer, it is buried in 2��5cm place under Crop Root stem soil.
The invention have the benefit that
1, present invention employs corn cob charcoal, owing to corn cob charcoal is loose porous, it can more adsorpting formulation or fertilizer, when being placed on plant root, the effect of slow release can be played, medicament or fertilizer can be reduced when running into rain drop erosion by the speed of rain, keep medicament to be placed in the rhizome portion of plant, the consumption that makes of medicament or fertilizer can be saved, reduce fertilising or spraying times.
2, corn cob charcoal is straw, will not cause environmental pollution.
3, adopting the inventive method, it is possible to effectively prevent and treat the balck shank of flue-cured tobacco, be also suitable for the balck shank and some soil-borne diseases and insect pest of preventing and treating other crops, that reduces pesticide makes consumption.
Detailed description of the invention
First technical problem to be solved by this invention is to provide a kind of balck shank utilizing medicament sustained release method preventing and treating flue-cured tobacco, particularly as follows: after adopting the absorption of corn cob charcoal to prevent and treat the medicine of balck shank, be buried in flue-cured tobacco rhizome portion soil; The kind of described flue-cured tobacco is the big gold dollar flue-cured tobacco of Flos Carthami.
Preferably, after adopting the absorption of corn cob charcoal to prevent and treat the medicine of balck shank, it is buried in 2��5cm place under flue-cured tobacco rhizome portion soil. Due to pathogenic bacteria, to be concentrated mainly in the scope from soil table 1��5cm movable, by wound or directly invade, infects position and is mainly basal part of stem, be therefore buried in 2��5cm place under Crop Root stem soil after corn cob absorption medicine.
The present invention is firstly introduced the corn cob charcoal slow-released carrier as flue-cured tobacco balck shank protective agents, extends the action effect of medicine thus enhancing the effect of medicine.
Second technical problem to be solved by this invention is to provide a kind of method to crops dispenser or fertilising, particularly as follows: after adopting medicine or the fertilizer of corn cob charcoal absorption controlling disease, be buried in Crop Root stem soil.
Preferably, described soil-borne disease is balck shank, root rot or root knot nematode disease.
It is furthermore preferred that described soil-borne disease is balck shank or root knot nematode disease; It is more preferably balck shank.
Described fertilizer is the fertilizer needing slowly to use, such as compound fertilizer.
Preferably, above-mentioned in Crops in Applying Fertilizer method, described crops flue-cured tobacco.
Preferably, in said method, after the medicine of corn cob charcoal absorption controlling disease or fertilizer, it is buried in 2��5cm place under Crop Root stem soil.
Soil-borne disease refers to that pathogen such as fungus, antibacterial, nematicide and virus are lived in soil with invalid body, the disease encroached on crop from crop root or stem and cause when condition is suitable.
Corn cob charcoal: corn cob charcoal is that the excellent core after corn rod threshing eventually passes and fires carbonization and form.
In the present invention, the adsorbance of disease control medicine and fertilizer is determined according to actually used situation.
After the present invention points out employing corn cob charcoal adsorpting formulation or fertilizer first, then it is embedded in Crop Root stem soil; Thus proposing a kind of new method to crops dispenser or fertilising; Compared to prior art is only medicament or fertilizer are mixed with water after, the mode adopt base to execute again, to spray, irrigating is administered or applies fertilizer, owing to corn cob charcoal is loose porous, its can more adsorpting formulation or fertilizer, when being placed on plant root, the effect of slow release can be played, medicament or fertilizer can be reduced by the speed of rain when running into rain drop erosion, medicament is kept to be placed in the rhizome portion of plant, it is possible to that saves medicament or fertilizer makes consumption, reduces fertilising or spraying times.
Below in conjunction with embodiment, the specific embodiment of the present invention is further described, does not therefore limit the present invention among described scope of embodiments.
Embodiment 1 adopts the method for the present invention to the flue-cured tobacco dispenser infecting balck shank, and test flue-cured tobacco cultivars is that the big gold dollar of Flos Carthami (deeply welcome by cigarette manufacturer because the good compatibility of aroma quality is good by this kind. ).
Community 1 (+2 kinds of medicaments of corn cob charcoal): take 5% fluorine. second aluminum wettable powder (trial (demonstration) plant of Shenyang Chemical Engineering Inst) 100g and 50% dimethomorph wettable powder 100g, it is spread on 10kg corn cob charcoal, adds a small amount of water and make medicament and corn cob charcoal be sufficiently mixed; The corn cob charcoal of above-mentioned adsorpting formulation is placed in flue-cured tobacco root then earthing. (note: the consumption of corn cob charcoal is according to 10kg/666.7m2Use)
Community 2 (comparison) is conventionally watered by medicament by identical pharmaceutical quantities and is sprayed at cigarette strain root.
Before and after community 1 and community 2 (comparison) are prevented and treated, balck shank disease index is investigated: community 1 (core charcoal+medicament) disease index before treatment is 6.89, and after process, the disease index of community 1 (core charcoal+medicament) is 0.28; The disease index processing front community 2 (comparison) is 12.09, and after process, the disease index of community 2 (comparison) is 4.78, it follows that relative control effect is 89.7%.
Embodiment 2: adopting the method for the present invention to the flue-cured tobacco dispenser infecting balck shank, test flue-cured tobacco cultivars is the big gold dollar of Flos Carthami.
Community 1 (+a kind of medicament of corn cob charcoal): take 5% fluorine. second aluminum wettable powder (trial (demonstration) plant of Shenyang Chemical Engineering Inst) 200g, it is spread on 10kg corn cob charcoal, adds a small amount of water and make medicament and corn cob charcoal be sufficiently mixed; The corn cob charcoal of above-mentioned adsorpting formulation is placed in flue-cured tobacco root then earthing.
Community 2 (comparison) is conventionally watered by medicament by identical pharmaceutical quantities and is sprayed at cigarette strain root.
Dispenser 10d " Invest, Then Investigate ": before the process of community 1, the disease index of (+a kind of medicament of core charcoal) is 12.06, after the process of community 1, the disease index of (+a kind of medicament of core charcoal) is 2.34; Community 2 (comparison) disease index before treatment is 8.06, and the disease index after the process of community 2 (comparison) is 5.63, it follows that relative control effect is 72.2%.

Claims (9)

1. slow-releasing agent method preventing and treating flue-cured tobacco balck shank, it is characterised in that after adopting the absorption of corn cob charcoal to prevent and treat the medicine of balck shank, be buried in flue-cured tobacco rhizome portion soil.
2. slow-releasing agent method according to claim 1 preventing and treating flue-cured tobacco balck shank, it is characterised in that after adopting the absorption of corn cob charcoal to prevent and treat the medicine of balck shank, be buried in 2��5cm place under flue-cured tobacco rhizome portion soil.
3. slow-releasing agent method according to claim 1 and 2 preventing and treating flue-cured tobacco balck shank, it is characterised in that described flue-cured tobacco is the big gold dollar flue-cured tobacco of Flos Carthami.
4. the method giving crops dispenser or fertilising, it is characterised in that after adopting medicine or the fertilizer of corn cob charcoal absorption controlling disease, be buried in Crop Root stem soil.
5. the method to crops dispenser or fertilising according to claim 4, it is characterised in that described disease is soil-borne disease.
6. the method to crops dispenser or fertilising according to claim 5, it is characterised in that described soil-borne disease is balck shank, root rot or root knot nematode disease.
7. the method to crops dispenser or fertilising according to claim 4, it is characterised in that described fertilizer is the compound fertilizer needing slowly to use.
8. the method giving crops dispenser or fertilising according to any one of claim 4��7, it is characterised in that described crops are flue-cured tobacco.
9. the method giving crops dispenser or fertilising according to any one of claim 3��8, it is characterised in that after the medicine of corn cob charcoal absorption controlling disease or fertilizer, be buried in 2��5cm place under Crop Root stem soil.
CN201410612978.3A 2014-11-04 2014-11-04 Sustained-release agent method for controlling phytophthora parasitica Pending CN105612970A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410612978.3A CN105612970A (en) 2014-11-04 2014-11-04 Sustained-release agent method for controlling phytophthora parasitica

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410612978.3A CN105612970A (en) 2014-11-04 2014-11-04 Sustained-release agent method for controlling phytophthora parasitica

Publications (1)

Publication Number Publication Date
CN105612970A true CN105612970A (en) 2016-06-01

Family

ID=56028685

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410612978.3A Pending CN105612970A (en) 2014-11-04 2014-11-04 Sustained-release agent method for controlling phytophthora parasitica

Country Status (1)

Country Link
CN (1) CN105612970A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107996235A (en) * 2017-12-26 2018-05-08 河南省农业科学院烟草研究所 A kind of medicine adhesive tape and its application method for preventing tobacco black shank
CN113317157A (en) * 2021-07-05 2021-08-31 河南宝融生物科技有限公司 Preparation for preventing and treating tobacco black shank and continuous cropping tobacco planting method capable of preventing tobacco black shank
CN114478132A (en) * 2022-03-24 2022-05-13 贵州省烟草公司毕节市公司 Biomass charcoal-based slow-release functional fertilizer and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101045534A (en) * 2007-03-12 2007-10-03 陈温福 Simply corncob granule carbonization furnace and preparation method thereof
CN102461498A (en) * 2010-11-08 2012-05-23 河南好年景生物发展有限公司 Preparation method of slow-release pesticide
CN103098805A (en) * 2013-02-26 2013-05-15 伊长君 Agent for preventing and treating plant continuous cropping disease and preparation method thereof
CN103141494A (en) * 2013-02-26 2013-06-12 韩景良 Composite aggregate releasing agent, and preparation method and application thereof
CN103787749A (en) * 2014-01-13 2014-05-14 沈阳农业大学 Special modified charcoal fertilizer for large cherry and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101045534A (en) * 2007-03-12 2007-10-03 陈温福 Simply corncob granule carbonization furnace and preparation method thereof
CN102461498A (en) * 2010-11-08 2012-05-23 河南好年景生物发展有限公司 Preparation method of slow-release pesticide
CN103098805A (en) * 2013-02-26 2013-05-15 伊长君 Agent for preventing and treating plant continuous cropping disease and preparation method thereof
CN103141494A (en) * 2013-02-26 2013-06-12 韩景良 Composite aggregate releasing agent, and preparation method and application thereof
CN103787749A (en) * 2014-01-13 2014-05-14 沈阳农业大学 Special modified charcoal fertilizer for large cherry and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王益平等: "《烟草黑胫病研究进展》", 《现代农业科技》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107996235A (en) * 2017-12-26 2018-05-08 河南省农业科学院烟草研究所 A kind of medicine adhesive tape and its application method for preventing tobacco black shank
CN107996235B (en) * 2017-12-26 2023-11-03 河南省农业科学院烟草研究所 Medicine adhesive tape for preventing and treating tobacco black shank and application method thereof
CN113317157A (en) * 2021-07-05 2021-08-31 河南宝融生物科技有限公司 Preparation for preventing and treating tobacco black shank and continuous cropping tobacco planting method capable of preventing tobacco black shank
CN114478132A (en) * 2022-03-24 2022-05-13 贵州省烟草公司毕节市公司 Biomass charcoal-based slow-release functional fertilizer and preparation method thereof

Similar Documents

Publication Publication Date Title
CN107372622A (en) A kind of method of the whole biological prevention and control of tobacco pest and disease damage
CN106258652A (en) A kind of green prevention and control method of tobacco disease insect pest
CN107006258A (en) A kind of Synthetical prevention method of dragon fruit canker
CN105612970A (en) Sustained-release agent method for controlling phytophthora parasitica
Tewari et al. Biological control of sheath blight of rice by Trichoderma harzianum using different delivery systems
CN112106771B (en) Dimethyl disulfide cyclodextrin inclusion compound and preparation method and application thereof
CN110476973A (en) A kind of cotton, which is planted, to be adjusted and its preparation and application
CN104814038A (en) Method for comprehensively controlling plant diseases and insect pests of celery
CN103891559A (en) Method for preventing and treating potato late blight through insecticides
CN103875712A (en) Safe pleietrepie rice seed treating agent
CN101743869A (en) Method for controlling weed in direct-sowing dry paddy field
CN103960314A (en) Special insecticide for controlling bacterial soft rot of butterfly orchid and application method of special insecticide
CN107410323A (en) Seed treatment compositions containing bromine cyanogen insect amide and kasugarnycin
CN107580948A (en) A kind of prevention and controls of tea oil tree soft rot
CN109769534A (en) A kind of full medication of peach pest and disease damage evil and Prevention Technique
CN101322492A (en) Pesticide for preventing and treating foot rot and drooping disease of rice
CN113575304A (en) Planting method of patchouli roots
CN101138303B (en) Method for preventing and controlling panax ginseng diseases and pests
Sayyad et al. Effect of fungicides, bio-agents and organic amendments against Macrophomina phaseolina in Chick pea
CN110915357A (en) Watermelon seed dormancy awakening method
CN110771625A (en) Wettable agent formula for enhancing high-temperature stress resistance of crops
CN110050799A (en) A kind of biological prevention and control agent containing wood vinegar and its application, preparation and application
CN109678619A (en) A kind of biological preventing control method for honeysuckle pest and disease damage
CN108293700A (en) A method of for preventing eggplant root rot class disease
CN103300057A (en) Fosthiazate and hymexazol granule and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160601

RJ01 Rejection of invention patent application after publication