CN108901736A - A method of passing through spray on plants extract for preventing and treating tobacco planting pest and disease damage - Google Patents
A method of passing through spray on plants extract for preventing and treating tobacco planting pest and disease damage Download PDFInfo
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- CN108901736A CN108901736A CN201710409129.1A CN201710409129A CN108901736A CN 108901736 A CN108901736 A CN 108901736A CN 201710409129 A CN201710409129 A CN 201710409129A CN 108901736 A CN108901736 A CN 108901736A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/10—Devices for affording protection against animals, birds or other pests
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/02—Stationary means for catching or killing insects with devices or substances, e.g. food, pheronones attracting the insects
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- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- General Health & Medical Sciences (AREA)
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Wood Science & Technology (AREA)
- Insects & Arthropods (AREA)
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- Soil Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
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Abstract
The invention belongs to the Prevention Technique fields of agriculture and forestry pest, more particularly to a kind of method by spray on plants extract for preventing and treating tobacco planting pest and disease damage, by being improved to planted tobacco soils, discharge aphidius gifuensis and predator, insect food trapper and insect sex-trapping utensil are set simultaneously, and the technological means such as spray on plants extract dilution combine, biological prevention and control are carried out to pest and disease damage during tobacco planting, in the methods of the invention, the disease resistance of tobacco in planting process is improved by increasing bio-bacterial manure, insect food trapper is set simultaneously and insect sex-trapping utensil improves trap effect to pest, pesticide is replaced to eliminate influence of the chemical pesticide to quality of tobacco using plant extracts dilution, reduce environmental pollution.
Description
Technical field
The invention belongs to the Prevention Technique fields of agriculture and forestry pest, and in particular to one kind discharges cigarette aphid by soil improvement
Cocoon bee, setting insect eats trapper and the technological means such as insect sex-trapping utensil and spray on plants extract dilution combine
Control method, realize tobacco planting during pest and disease damage prevention and treatment.
Background technique
China is big tobacco producing country of the world today first, and tobacco is the important industrial crops in China.The pest and disease damage of tobacco
It is many kinds of, big to tobacco leaf production harm, discovery, China are investigated according to the investigation of national tobacco infectious disease and national tobacco insect
Tobacco infectious disease has 68 kinds, and pest is up to more than 200 kinds.With the change of climatic environment, crop allocation and cropping system etc., I
The generation of state's tobacco pest and disease damage is in rising trend.
Currently, chemical prevention is the main means of China's prevention and treatment tobacco disease pest, but chemical pesticide meeting is largely used for a long time
Harm is generated to environment and people's health.The trend that tobacco leaf production and tobacco product gradually develop to safety, ecological direction with
And people carry out safe and pollution-free, non-harmful prevention and treatment to tobacco pest and disease damage to the pay attention to day by day of own health and living environment
Extensive concern of the method by countries in the world.
Summary of the invention
To solve harm of the pest and disease damage to tobacco planting and production, existing chemical prevention and control method endangers environmental and human health impacts
The problem of, the present invention provides a kind of green control method of tobacco planting pest and disease damage.More particularly to the improvement to soil, cigarette is discharged
Aphid parasite, setting insect eat trapper and mutually tie with the technological means such as insect sex-trapping utensil and spray on plants extract dilution
It closes, reaches the green prevention and control to pest and disease damage during tobacco planting, pesticide control pest is replaced using plant extracts, is eliminated
Influence of the chemical pesticide to quality of tobacco and the pollution to environment.
The technical solution taken to achieve the object of the present invention includes following method：
(1) soil improvement：
The in due course winter turns over vegetable soil, not with the vegetable crops Control By Crop Rotation disease such as Solanaceae, Cruciferae and Curcurbitaceae, in time
Footing leaf, cigarette wooden fork, tobacco rod are cleared up, and is focused on, tobacco field cleaning is kept, increases bio-bacterial manure to improve disease resistance；
The bio-bacterial manure increased is：Contain high-effective microorganism group (fixed nitrogen, phosphorus decomposing, potassium decomposing and the production by a variety of different function
The micropopulation of the raw sharp rope of biology) and plant growth necessary to the composite biological fertilizer that is combined of various trace elements, apply
Dosage is：200~500g/ mus.
(2) aphidius gifuensis is discharged：
Flue-cured tobacco group phase and prosperous growth phase in cigarette dispose and put the numerous bee of bee canopy, and the quantity for putting bee canopy is arranged by every 40~60 mu
It one, is uniformly placed in cigarette on the ground, carries out putting bee by the way of type discharge bee, type discharge bee amount is 1200~1500 per acre
Head, while the predators such as release ladybug, Chrysopa, wasp fly are assisted, promote control efficiency.
(3) placement insect food trapper and insect sex-trapping utensil：
After tobacco seedling is transplanted to cigarette ground, in cigarette, placement insect food trapper and insect sex-trapping utensil, insect food are lured on the ground
The quantity for catching device and insect sex-trapping utensil is each setting 1~2 per acre, and setting height is apart from 1.2 meters of ground, two kinds of trapper
Spacing distance is 25m；
When eating trapper using insect, food lure dosage is 100 milliliters/mu, and cauline leaf process method is；It will food lure and water
According to 1:1 weight ratio dilution, is sufficiently mixed uniformly, chooses container appropriate, and configured medical fluid is uniform along crop row
Drop is spilt on the larger blade in crop (or crop around ridge) top, and drop spills 3 rows per acre, and every row drop spills 10~20 meters；It will prepare
On good food lure even spread to trapper bottom gasket, a secondary eclipse lure is replaced every two weeks；
When using insect sex-trapping utensil, the lure containing variety classes gyplure in trapper replaces one every other month
Secondary lure；The type of insect sex attractant includes that black cutworm gyplure, oriental tobacco budworm gyplure and prodenia litura property lure in lure
Agent, specific release time be：The first ten-day period of the March to late April launches the lure containing black cutworm gyplure, mid-April to six
The middle of the month launches the lure containing oriental tobacco budworm gyplure, launches luring containing prodenia litura gyplure the first tenday period of a month in May to mid-August
Core.
(4) spray on plants extract dilution：After tobacco seedling is transplanted to crop field 15~20 days, azedarach is extracted
100~200 times of dilution are watered after object, Turmeric P.E, coptis extract mixing and is sprayed on tobacco blade face, are mentioned per acre using plant
Take 50~100kg of object dilution.
Preferably：100~120 times of dilution are watered after Cortex Meliae extract, Turmeric P.E, coptis extract mixing to spray
In tobacco blade face, 50~80kg of plant extracts dilution is applied per acre.
Wherein, Cortex Meliae extract, Turmeric P.E, coptis extract mass ratio be：1.0~3.0:3.0~5.0:
4.0~6.0, preferably：1.5~2.0:3.5~4.0:4.5~5.0；The specific method of spray on plants extract dilution is：
When blade first meeting virosis or balck shank, 2~3 times spraying, every minor tick 10~15 days, spray are carried out with plant extracts dilution
Applying position is cigarette strain middle and lower part leave dual sides
Beneficial effect：The present invention discharges aphidius gifuensis and predator, disposes insect by improveing to planted tobacco soils
The combination for eating trapper and the technological means such as insect sex-trapping utensil and spray on plants extract dilution, has reached to tobacco
The green prevention and control of pest and disease damage in planting process.
By can be improved the disease resistance of tobacco to soil application bio-bacterial manure, the yield and quality of tobacco leaf is improved and will not
Environment is impacted；Trapping effect to insect can be improved using the method that food trapper and sex-trapping utensil combine, and
And different insect sex attractants is used in different times, it can be directed to for the characteristics of cigarette strain growth different times pest and disease damage
The trapping of property, trapping effect are obvious；Pesticide is replaced to eliminate chemical pesticide to quality of tobacco using plant extracts dilution
It influences, reduces environmental pollution.
Specific embodiment
20 meters of cigarette Hitoshi Tanaka are taken, long 50 meters of plot carries out data statistics as test tobacco field；
Tobacco diseases, Investigation of Pests analysis method are classified and adjust referring to National Standard of the People's Republic of China tobacco pest and disease damage
Checking method (GB/T23222-2008) carries out, and relative control effect calculation formula is as follows：
Relative control effect (%)=(control disease index-processing disease index)/control disease index × 100；
Worm amount is recorded in trapper：Insect is eaten into trapper and insect sex-trapping utensil is placed in tobacco field, it will in early morning every 5 days
Insect and water in trapper down in cup, pull insect out and count record, will continue to use in water back flow trapper together,
Until off-test.
Embodiment 1
(1) soil improvement：
The in due course winter is turned over, vegetable soil, not with Solanaceae, Cruciferae and ground family crop crop rotation, clears up footing leaf, cigarette in time
Wooden fork, tobacco rod；Increase the 200g/ mus of high composite biological fertilizers of fertility；
(2) aphidius gifuensis is discharged：
A phase and prosperous growth phase are rolled into a ball in flue-cured tobacco, in cigarette disposes and puts the numerous bee of bee canopy, puts the quantity of bee canopy by every 40 mu settings one
It is a, it is uniformly placed in cigarette on the ground, carries out putting bee by the way of type discharge bee, mu type discharge bee amount 1200, while auxiliary is released
Ladybug, Chrysopa, wasp fly predator are put, control efficiency is promoted.
(3) insect food trapper and insect sex-trapping utensil in cigarette are disposed：
After seedling replanting to cigarette ground, trapper and sex-trapping utensil each 1, setting are eaten according to setting insect per acre on the ground in cigarette
Height is apart from ground 1.2m, two kinds of trapper spacing distance 25m；
When eating trapper using insect, food lure dosage is 100 milliliters/mu, and cauline leaf process method is；It will food lure and water
According to 1:1 weight ratio dilution, is sufficiently mixed uniformly, chooses container appropriate, and configured medical fluid is uniform along crop row
Drop is spilt on the larger blade in crop top, and drop spills 3 rows per acre, and every row drop spills 15 meters；Prepared food lure even spread is arrived
In trapper bottom gasket, a secondary eclipse lure is replaced every two weeks；
When using insect sex-trapping utensil, black cutworm gyplure, oriental tobacco budworm gyplure and twill night are contained in trapper
The lure of moth sex attractant replaces a lure every other month；Specifically the release time is：The first ten-day period of the March to late April, dispensing contained
There is the lure of black cutworm gyplure, mid-April to mid-June launches the lure containing oriental tobacco budworm gyplure, the first tenday period of a month in May
The lure containing prodenia litura gyplure is launched to mid-August.
(4) spray on plants extract dilution：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, it is according to mass ratio：1.5:
3.5:4.5 mass ratio is watered 100 times of points of 3 sprays of dilution after mixing Cortex Meliae extract, Turmeric P.E, coptis extract
Tobacco blade face is imposed on, every minor tick 15 days uses plant extracts mixed liquor 80kg, wherein Cortex Meliae extract, turmeric per acre
Extract, coptis extract be it is commercially available, similarly hereinafter.
Embodiment 2
(1) soil improvement：
The in due course winter is turned over, vegetable soil, not with Solanaceae, Cruciferae and ground family crop crop rotation, clears up footing leaf, cigarette in time
Wooden fork, tobacco rod；Increase the 300g/ mus of high composite biological fertilizers of fertility；
(2) aphidius gifuensis is discharged：
A phase and prosperous growth phase are rolled into a ball in flue-cured tobacco, in cigarette disposes and puts the numerous bee of bee canopy, puts the quantity of bee canopy by every 50 mu settings one
It is a, it is uniformly placed in cigarette on the ground, carries out putting bee by the way of type discharge bee, mu type discharge bee amount 1500, while auxiliary is released
Ladybug, Chrysopa, wasp fly predator are put, control efficiency is promoted.
(3) insect food trapper and insect sex-trapping utensil in cigarette are disposed：
After seedling replanting to cigarette ground, trapper and sex-trapping utensil each 2, setting are eaten according to setting insect per acre on the ground in cigarette
Height is apart from ground 1.2m, two kinds of trapper spacing distance 25m；
When eating trapper using insect, food lure dosage is 100 milliliters/mu, and cauline leaf process method is；It will food lure and water
According to 1:1 weight ratio dilution, is sufficiently mixed uniformly, chooses container appropriate, and configured medical fluid is uniform along crop row
Drop is spilt on the larger blade in crop top, and drop spills 3 rows per acre, and every row drop spills 15 meters；Prepared food lure even spread is arrived
In trapper bottom gasket, a secondary eclipse lure is replaced every two weeks；
When using insect sex-trapping utensil, black cutworm gyplure, oriental tobacco budworm gyplure and twill night are contained in trapper
The lure of moth sex attractant replaces a lure every other month；Specifically the release time is：The first ten-day period of the March to late April, dispensing contained
There is the lure of black cutworm gyplure, mid-April to mid-June launches the lure containing oriental tobacco budworm gyplure, the first tenday period of a month in May
The lure containing prodenia litura gyplure is launched to mid-August.
(4) spray on plants extract dilution：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, it is according to mass ratio：1.5:
3.5:4.5 mass ratio is watered 100 times of points of 3 sprays of dilution after mixing Cortex Meliae extract, Turmeric P.E, coptis extract
Tobacco blade face is imposed on, every minor tick 15 days uses plant extracts mixed liquor 80kg per acre.
Embodiment 3
For other step methods with embodiment 1, spray on plants extract dilution method is as follows：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, it is according to mass ratio：2.0:
4.0:6.0 mass ratio is watered 100 times of points of 3 sprays of dilution after mixing Cortex Meliae extract, Turmeric P.E, coptis extract
Tobacco blade face is imposed on, every minor tick 15 days uses plant extracts mixed liquor 80kg per acre.
Embodiment 4
For other step methods with embodiment 1, spray on plants extract dilution method is as follows：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, it is according to mass ratio：2.0:
4.0:5.0 mass ratio is watered 120 times of points of 2 sprays of dilution after mixing Cortex Meliae extract, Turmeric P.E, coptis extract
Tobacco blade face is imposed on, every minor tick 15 days uses plant extracts mixed liquor 50kg per acre.
Embodiment 5
For other step methods with embodiment 1, spray on plants extract dilution method is as follows：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, it is according to mass ratio：4.0:
6.0:7.0 mass ratio is watered 100 times of points of 3 sprays of dilution after mixing Cortex Meliae extract, Turmeric P.E, coptis extract
Tobacco blade face is imposed on, every minor tick 15 days uses plant extracts mixed liquor 80kg per acre.
Embodiment 6
For other step methods with embodiment 1, spray on plants extract dilution method is as follows：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, it is according to mass ratio：1.0:
2.0:3.0 mass ratio is watered 100 times of points of 3 sprays of dilution after mixing Cortex Meliae extract, Turmeric P.E, coptis extract
Tobacco blade face is imposed on, every minor tick 15 days uses plant extracts mixed liquor 80kg per acre.
Embodiment 7
For other step methods with embodiment 1, spray on plants extract dilution method is as follows：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, Cortex Meliae extract is converted
Water dilutes 100 times point and is sprayed on tobacco blade face for 3 times, and every minor tick 15 days uses plant extracts mixed liquor 80kg per acre.
Embodiment 8
For other step methods with embodiment 1, spray on plants extract dilution method is as follows：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, Turmeric P.E is watered
100 times point of dilution is sprayed on tobacco blade face for 3 times, and every minor tick 15 days uses plant extracts mixed liquor 80kg per acre.
Embodiment 9
For other step methods with embodiment 1, spray on plants extract dilution method is as follows：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, coptis extract is watered
100 times point of dilution is sprayed on tobacco blade face for 3 times, and every minor tick 15 days uses plant extracts mixed liquor 80kg per acre.
Embodiment 10
For other step methods with embodiment 1, spray on plants extract dilution method is as follows：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, it is according to mass ratio：1.5:
Cortex Meliae extract, Turmeric P.E are watered 100 times points of dilution and are sprayed on tobacco blade face 3 times by 3.5 mass ratio after mixing, often
Minor tick 15 days, plant extracts mixed liquor 80kg was used per acre.
Embodiment 11
For other step methods with embodiment 1, spray on plants extract dilution method is as follows：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, it is according to mass ratio：1.5:
Cortex Meliae extract, coptis extract are watered 100 times points of dilution and are sprayed on tobacco blade face 3 times by 4.5 mass ratio after mixing, often
Minor tick 15 days, plant extracts mixed liquor 80kg was used per acre.
Embodiment 12
For other step methods with embodiment 1, spray on plants extract dilution method is as follows：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, it is according to mass ratio：3.5:
Turmeric P.E, coptis extract are watered 100 times points of dilution and are sprayed on tobacco blade face 3 times by 4.5 mass ratio after mixing, every time
Interval 15 days uses plant extracts mixed liquor 80kg per acre.
Comparative example 1
Other step methods are the same as embodiment 2
Soil improvement is：The in due course winter is turned over, vegetable soil, not with the vegetable crops crop rotation such as Solanaceae, Cruciferae and Curcurbitaceae,
Cleaning footing leaf, cigarette wooden fork, tobacco rod in time；.
Comparative example 2
Other step methods dispose insect sex-trapping utensil method as follows with embodiment 1：
After seedling replanting to cigarette ground, in cigarette on the ground according to insect sex-trapping utensil 2 are arranged per acre, setting height is distance ground
Face 1.2m；
When using insect sex-trapping utensil, black cutworm gyplure, oriental tobacco budworm gyplure and twill night are contained in trapper
The lure of moth sex attractant replaces a lure every other month；Specifically the release time is：The first ten-day period of the March to late April, dispensing contained
There is the lure of black cutworm gyplure, mid-April to mid-June launches the lure containing oriental tobacco budworm gyplure, the first tenday period of a month in May
The lure containing prodenia litura gyplure is launched to mid-August.
Comparative example 3
It is as follows to spray antivirotic method with embodiment 1 for other step methods：
After tobacco seedling is transplanted to crop field 15 days, when blade first meeting virosis or balck shank, by 1000 times of cytosintetidemycin
Liquid, which divides 3 times, is sprayed on tobacco blade face, and every minor tick 15 days uses 80kg per acre.
Table 1
It can be seen from the data in Table 1 that the disease resistance of tobacco can be significantly improved by increasing bio-bacterial manure, while disposing insect
Eat trapper and insect sex-trapping utensil can preferably insect-killing trapping, it is dilute using three Plant Extracts of ratio range of the present invention
Releasing liquid has the effect of synergistic corrosion virus, can reach identical control efficiency for substituting antivirotic, without polluting ring
Border influences tobacco quality.
Claims (9)
1. a kind of method by spray on plants extract for preventing and treating tobacco planting pest and disease damage, it is characterised in that：The method includes
Following steps：
(1) soil improvement：
The in due course winter is turned over, and not with Solanaceae, Cruciferae and ground family crop crop rotation, clears up footing leaf, cigarette wooden fork and tobacco rod, union in time
Middle processing keeps tobacco field cleaning, increases bio-bacterial manure；
(2) aphidius gifuensis is discharged：
Flue-cured tobacco group phase and prosperous growth phase, in cigarette, uniformly the numerous bee of bee canopy is put in placement on the ground, carries out putting bee by the way of type discharge bee,
Release ladybug, Chrysopa and wasp fly predator are assisted simultaneously；
(3) setting insect eats trapper and insect sex-trapping utensil：
After tobacco seedling is transplanted to cigarette ground, insect food trapper and insect sex-trapping utensil are disposed simultaneously on the ground in cigarette；
(4) spray on plants extract dilution：
After tobacco seedling is transplanted to crop field 15~20 days, after Cortex Meliae extract, Turmeric P.E and coptis extract are mixed
Convert 100~200 times of mixture quality water dilution, be sprayed on tobacco blade face, per acre apply plant extracts dilution 50~
100kg。
2. passing through the method for spray on plants extract for preventing and treating tobacco planting pest and disease damage as described in claim 1, it is characterised in that：
Bio-bacterial manure described in step (1) is：Contain fixed nitrogen, phosphorus decomposing, potassium decomposing and micropopulation and the plant growth for generating the sharp rope of biology
The composite biological fertilizer that necessary microelement is combined, amount of application are：200~500g/ mus.
3. passing through the method for spray on plants extract for preventing and treating tobacco planting pest and disease damage as described in claim 1, it is characterised in that：
The quantity that bee canopy is put described in step (2) is arranged one by every 40~60 mu, and putting bee amount per acre is 1200~1500.
4. passing through the method for spray on plants extract for preventing and treating tobacco planting pest and disease damage as described in claim 1, it is characterised in that：
It is each setting 1~2 per acre, setting height that setting insect described in step (3), which eats trapper and the quantity of insect sex-trapping utensil,
For apart from 1.2 meters of ground, two kinds of trapper spacing distances are 25m.
5. passing through the method for spray on plants extract for preventing and treating tobacco planting pest and disease damage as described in claim 1, it is characterised in that：
Insect described in step (3) food trapper application method be：Food lure dosage is 100 milliliters/mu, cauline leaf process method
For；Lure and water will be eaten according to 1:1 weight ratio dilution, is sufficiently mixed uniformly, chooses container for configured medical fluid along work
Object row, which uniformly drips, to be spilt on the larger blade in crop top, and drop spills 3 rows per acre, and every row drop spills 10~20 meters；Prepared food is lured
On agent even spread to trapper bottom gasket, a secondary eclipse lure is replaced every two weeks；
The application method of insect sex-trapping utensil is：The lure in trapper of replacement, specific release time are every other month：
Launch the lure containing black cutworm gyplure the first ten-day period of the March to late April, mid-April to mid-June launches green containing cigarette
The lure of worm gyplure, the first tenday period of a month in May to mid-August launch the lure containing prodenia litura gyplure.
6. passing through the method for spray on plants extract for preventing and treating tobacco planting pest and disease damage as described in claim 1, it is characterised in that：
The spraying method of plant extracts dilution described in step (4) is：When blade first meeting virosis or balck shank, plant extract is used
Object dilution carries out 2~3 times spraying, every minor tick 10~15 days, and spraying position is cigarette strain middle and lower part leave dual sides.
7. passing through the method for spray on plants extract for preventing and treating tobacco planting pest and disease damage as described in claim 1, it is characterised in that：
After Cortex Meliae extract, Turmeric P.E, coptis extract being mixed described in step (4) convert 100~120 times of mixture quality
Water dilution, be sprayed on tobacco blade face, per acre use 50~80kg of plant extracts dilution.
8. passing through the method for spray on plants extract for preventing and treating tobacco planting pest and disease damage as described in claim 1, it is characterised in that：
The mass ratio of Cortex Meliae extract, Turmeric P.E, coptis extract in step (4) the spray on plants extract dilution
For：1.0~3.0:3.0~5.0:4.0~6.0.
9. passing through the method for spray on plants extract for preventing and treating tobacco planting pest and disease damage as claimed in claim 8, it is characterised in that：
The mass ratio of Cortex Meliae extract, Turmeric P.E, coptis extract in step (4) the spray on plants extract dilution
For：1.5~2.0:3.5~4.0:4.5~5.0.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302921A (en) * | 2018-12-18 | 2019-02-05 | 河南省农业科学院烟草研究所 | A kind of green prevention and control method of tobacco black shank |
| CN110036803A (en) * | 2019-03-20 | 2019-07-23 | 潍坊市烟草专卖局 | A kind of preventing control method of tobacco pest and disease damage |
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