CN105145629A - Prevention preparation for tobacco weather fleck and use method - Google Patents
Prevention preparation for tobacco weather fleck and use method Download PDFInfo
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- CN105145629A CN105145629A CN201510571079.8A CN201510571079A CN105145629A CN 105145629 A CN105145629 A CN 105145629A CN 201510571079 A CN201510571079 A CN 201510571079A CN 105145629 A CN105145629 A CN 105145629A
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Abstract
The invention discloses a prevention preparation for tobacco weather fleck and a use method. The prevention preparation is characterized in that the prevention preparation is prepared by dissolving monopotassium phosphate, salicylic acid and kasugamycin in water according to a mass ratio of 25-50:1-4:25-50 to prepare a mother solution and then diluting by water. The method comprises the steps of in 50-60 days after the tobacco is transplanted, spraying the prevention preparation to the front and back surfaces of the tobacco after raining. The prevention preparation for tobacco weather fleck and the use method have the advantages that by applying the prevention preparation, tobacco nutrition can be balanced, an oxidation resistance of cells is enhanced, and a better prevention action against other tobacco diseases caused by intrusion of pathogenic bacteria after the tobacco is damaged by O3 is realized. Compared with the prior art, the prevention preparation has the advantages of simpleness in manufacturing, convenience in use and stable prevention effect.
Description
Technical field
The present invention relates to the method for preparation and use of tobacco leaf weather spot control preparation, belong to tobacco leaf disease prevention techniques field.
Background technology
Tobacco weather-fleck (Tobaccoweatherfleck) is one of main leaf diseases of tobacco field growth period generation, is non-infectious disease.The trend increased the weight of is had in recent years at tobacco leaf major production areas occurrence degree, larger on the impact of tobacco leaf presentation quality.
This disease easily occurs under the environmental factors such as low temperature, rainfall and soil moisture are large, and main cause is that blade is subject to O
3damage, form the scabs such as white point spot, brown stigma or taches vierge; And blade forms wound after sustaining damage, and is easily subject to pathogenic infection, thus there are other leaf diseases such as rust, angular leaf spot, mosaic disease, grow totally unfavorable to tobacco leaf normal growth.At present, in leaf tobacco production, the prevention of weather spot is mainly started with from cultivation steps such as the Rational Applications of the seed selection of resistant variety, fertilizer, prevented by the resistance improving tobacco leaf; After weather spot occurs, general employing is sprayed chemical agent such as trimethylquinoline, topsin, bordeaux mixture, SOD etc. and is prevented and treated, although there is certain effect, but most preventive effect is lower, wherein SOD preventive effect is higher, be 74.5%, but there is the problem of high cost, production is difficult to large scale application.
Summary of the invention
The object of the invention is the deficiency existed for tobacco leaf weather spot prevention and controls in above-mentioned prior art, the preparation method of preparation and use that a kind of tobacco leaf weather spot is prevented and treated is provided.
The object of the invention is to be achieved through the following technical solutions: a kind of control preparation of tobacco leaf weather spot, potassium dihydrogen phosphate, salicylic acid and kasugarnycin is soluble in water according to the mass ratio of 25-50:1-4:25-50, first make mother liquor, then be the control preparation of tobacco leaf weather spot after water dilution.
Described potassium dihydrogen phosphate is agricultural potassium dihydrogen phosphate powder, purity >=98%, wherein phosphorus pentoxide >=50%; Potassium oxide >=30%; Described salicylic acid is sublimed salicylic acid or analyzes pure salicylic acid, purity >=99%; Described kasugarnycin is the former powder of kasugarnycin, purity >=60%.
The present invention in particular, the main component of described preparation is potassium dihydrogen phosphate, salicylic acid and kasugarnycin, three is dissolved in the water of certain volume according to the mass ratio of 25-50:1-4:25-50 and makes potassium dihydrogen phosphate, salicylic acid and kasugarnycin concentration and be respectively 50-100g/L, 2-4g/L, the mother liquor of 50-100g/L, described mother liquor clear water dilutes according to the volume ratio of 1:50-1:100, is respectively 0.5-2g/L to three's concentration, 0.02-0.08g/L, 0.5-2g/L.
Using method: 50-60d after transplanting, carries out spraying to tobacco leaf positive and negative after rain and uses.
Feature of the present invention is: the oxidation resistance of the balanced tobacco leaf nutrition of described preparation energy, enhancing cell, is subject to O to blade
3after damage, pathogenic bacteria invade other leaf diseases caused also stronger defense reaction.Compared with prior art, the present invention also has the advantage that making is simple, easy to use, preventive effect is stable.
Accompanying drawing explanation
Fig. 1 is that the present invention prepares, uses flow chart.
Embodiment
The present invention is described in further detail below in conjunction with specific embodiment (accompanying drawing):
preparation embodiment:
Mother liquor: take potassium dihydrogen phosphate 50g, salicylic acid 2g, kasugarnycin 50g are dissolved in 1L water, fully dissolve and stir, and make potassium dihydrogen phosphate, salicylic acid, kasugarnycin concentration is respectively 50g/L, the mother liquor I of 2g/L, 50g/L.
Take potassium dihydrogen phosphate 60g, salicylic acid 3g, kasugarnycin 80g is dissolved in 1L water, fully dissolves and stirs, and makes potassium dihydrogen phosphate, salicylic acid, kasugarnycin concentration is respectively 50g/L, the mother liquor II of 3g/L, 80g/L.
Take potassium dihydrogen phosphate 80g, salicylic acid 3g, kasugarnycin 100g is dissolved in 1L water, fully dissolves and stirs, and makes potassium dihydrogen phosphate, salicylic acid, kasugarnycin concentration is respectively 80g/L, the mother liquor III of 3g/L, 100g/L.
Take potassium dihydrogen phosphate 100g, salicylic acid 4g, kasugarnycin 100g is dissolved in 1L water, fully dissolves and stirs, and makes potassium dihydrogen phosphate, salicylic acid, kasugarnycin concentration is respectively 100g/L, the mother liquor IV of 4g/L, 100g/L.
Take potassium dihydrogen phosphate 50g, salicylic acid 4g, kasugarnycin 100g is dissolved in 1L water, fully dissolves and stirs, and makes potassium dihydrogen phosphate, salicylic acid, kasugarnycin concentration is respectively 50g/L, the mother liquor V of 4g/L, 100g/L.
use embodiment:
In on June 25th, 1.2015 (after the cigarette transplantation of seedlings 50d) morning, certain block vega is selected to apply this invention in Shahe township, Luzhi County, Henan Province.This plot tobacco leaf area 8 mu, designs blank (spray clear water) and sprays said preparation totally two process, respectively arranging 3 repetitions, often repeats 1 mu.
Concrete process is as follows.Contrast: clear water contrasts; Process: measure mother liquor
iII3L, dilutes according to the ratio clear water of volume ratio 1:50, makes potassium dihydrogen phosphate, salicylic acid, kasugarnycin concentration is respectively 1.6g/L, the preparation 150L of 0.06g/L, 2.0g/L, carry out positive and negative spraying to the tobacco leaf (totally 3 mu) that 3 are repeated.July 1, survey and analysis is carried out to the weather spot incidence and disease index processing and contrast tobacco leaf, the results are shown in Table 1.
table 1 application example 1 tobacco leaf weather spot a situation arises investigation
| The incidence of disease | Disease index | Control efficiency | |
| Process | 20%B | 4.44B | 80.02%A |
| Contrast | 80%A | 22.22A | 0B |
note: same column letter is different represent process and between contrast difference extremely remarkable (
p< 0.01), lower same.
Result shows, the preventive effect of preparation of the present invention to tobacco leaf weather spot reaches 80.02%.
On June 28th, 2.2015 (transplanting latter 55 days), at Yongfeng town, Luonan County, Shaanxi Province vega, to invention has been application.Block area 10 mu.Design blank (clear water contrast) and preparation use two process, respectively arrange 3 repetitions, often repeat 1.5 mu.
Concrete process is as follows.Contrast: clear water contrasts; Process: measure mother liquor
iV5L, dilutes according to the ratio clear water of volume ratio 1:60, makes potassium dihydrogen phosphate, salicylic acid, kasugarnycin concentration is respectively 1.67g/L, the preparation 300L of 0.07g/L, 1.67g/L, carry out positive and negative spraying to the tobacco leaf (totally 3 mu) that 3 are repeated.July 5, survey and analysis is carried out to the weather spot incidence and disease index processing and contrast tobacco leaf, the results are shown in Table 2.
table 2 application example 2 tobacco leaf weather spot a situation arises investigation
| The incidence of disease | Disease index | Control efficiency | |
| Process | 30%B | 6.33B | 77.49%A |
| Contrast | 90%A | 28.12A | 0B |
Result shows, the preventive effect of preparation of the present invention to tobacco leaf weather spot reaches 77.49%.
On June 30th, 3.2015 (transplanting latter 60 days), at ironworks town, Zhenan County, Shaanxi Province vega, to invention has been application.Block area 4 mu.Design blank (clear water contrast) and preparation use two process, respectively arrange 3 repetitions, often repeat 0.5 mu.
Concrete process is as follows.Contrast: clear water contrasts; Process: measure mother liquor
i1.5L, dilutes according to the ratio clear water of volume ratio 1:70, makes potassium dihydrogen phosphate, salicylic acid, kasugarnycin concentration is respectively 0.71g/L, the preparation 105L of 0.03g/L, 0.71g/L, carry out positive and negative spraying to the tobacco leaf (totally 3 mu) that 3 are repeated.July 7, survey and analysis is carried out to the weather spot incidence and disease index processing and contrast tobacco leaf, the results are shown in Table 3.
table 3 application example 3 tobacco leaf weather spot a situation arises investigation
| The incidence of disease | Disease index | Control efficiency | |
| Process | 44%B | 6.67B | 78.56%A |
| Contrast | 94%A | 31.11A | 0B |
Result shows, the preventive effect of preparation of the present invention to tobacco leaf weather spot reaches 78.56%.
The present invention has also carried out on Henan Province's Xiangcheng County, Jiaxian County and other places applying (specific implementation process slightly), and preventive effect is all not less than 75%.
Claims (5)
1. a control preparation for tobacco leaf weather spot, is characterized in that: potassium dihydrogen phosphate, salicylic acid and kasugarnycin is soluble in water according to the mass ratio of 25-50:1-4:25-50, first makes mother liquor, then is the control preparation of tobacco leaf weather spot after water dilution.
2. the control preparation of tobacco leaf weather spot according to claim 1, is characterized in that: in mother liquor, the concentration of potassium dihydrogen phosphate, salicylic acid and kasugarnycin is respectively 50-100g/L, 2-4g/L, 50-100g/L.
3. the control preparation of tobacco leaf weather spot according to claim 1, is characterized in that: in the control preparation of tobacco leaf weather spot, the concentration of potassium dihydrogen phosphate, salicylic acid and kasugarnycin is respectively 0.5-2g/L, 0.02-0.08g/L, 0.5-2g/L.
4. the control preparation of tobacco leaf weather spot according to claim 1, is characterized in that: described potassium dihydrogen phosphate is agricultural potassium dihydrogen phosphate powder, purity >=98%, wherein phosphorus pentoxide >=50%; Potassium oxide >=30%; Described salicylic acid is sublimed salicylic acid or analyzes pure salicylic acid, purity >=99%; Described kasugarnycin is the former powder of kasugarnycin, purity >=60%.
5. a using method for the control preparation of tobacco leaf weather spot as claimed in claim 1, is characterized in that: 50-60d after tobacco leaf transplanting, uses this control preparation to spray to tobacco leaf positive and negative after rainfall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510571079.8A CN105145629A (en) | 2015-09-10 | 2015-09-10 | Prevention preparation for tobacco weather fleck and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510571079.8A CN105145629A (en) | 2015-09-10 | 2015-09-10 | Prevention preparation for tobacco weather fleck and use method |
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| CN105145629A true CN105145629A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510571079.8A Pending CN105145629A (en) | 2015-09-10 | 2015-09-10 | Prevention preparation for tobacco weather fleck and use method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106417299A (en) * | 2016-10-14 | 2017-02-22 | 陕西麦可罗生物科技有限公司 | Pesticide composition containing kasugamycin and S-ABA (abscisic acid) as well as application of pesticide composition |
| WO2022185037A1 (en) * | 2021-03-01 | 2022-09-09 | UPL Corporation Limited | Agricultural composition comprising kasugamycin |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA925316A (en) * | 1970-03-09 | 1973-05-01 | Uniroyal Ltd. | Control of weather fleck on tobacco plants using carboxanilide derivatives |
| CN101204157A (en) * | 2006-12-20 | 2008-06-25 | 河南农业大学 | Functional health-care pesticide with fertilizer capable of activating plant immunization, promote plant growth, barrier insect infection |
| CN103430943A (en) * | 2013-07-05 | 2013-12-11 | 陕西省蒲城美尔果农化有限责任公司 | Synergistic kasugamycin composition containing tea saponin |
-
2015
- 2015-09-10 CN CN201510571079.8A patent/CN105145629A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA925316A (en) * | 1970-03-09 | 1973-05-01 | Uniroyal Ltd. | Control of weather fleck on tobacco plants using carboxanilide derivatives |
| CN101204157A (en) * | 2006-12-20 | 2008-06-25 | 河南农业大学 | Functional health-care pesticide with fertilizer capable of activating plant immunization, promote plant growth, barrier insect infection |
| CN103430943A (en) * | 2013-07-05 | 2013-12-11 | 陕西省蒲城美尔果农化有限责任公司 | Synergistic kasugamycin composition containing tea saponin |
Non-Patent Citations (1)
| Title |
|---|
| 杨志晓等: "烟草气候斑点病研究进展", 《江西农业学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106417299A (en) * | 2016-10-14 | 2017-02-22 | 陕西麦可罗生物科技有限公司 | Pesticide composition containing kasugamycin and S-ABA (abscisic acid) as well as application of pesticide composition |
| WO2022185037A1 (en) * | 2021-03-01 | 2022-09-09 | UPL Corporation Limited | Agricultural composition comprising kasugamycin |
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Application publication date: 20151216 |