CN114946488A - Comprehensive prevention and control method for tea caterpillars - Google Patents
Comprehensive prevention and control method for tea caterpillars Download PDFInfo
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- CN114946488A CN114946488A CN202210666147.9A CN202210666147A CN114946488A CN 114946488 A CN114946488 A CN 114946488A CN 202210666147 A CN202210666147 A CN 202210666147A CN 114946488 A CN114946488 A CN 114946488A
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 230000002265 prevention Effects 0.000 title claims abstract description 34
- 241001122767 Theaceae Species 0.000 title 1
- 244000269722 Thea sinensis Species 0.000 claims abstract description 111
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000002689 soil Substances 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 241000193388 Bacillus thuringiensis Species 0.000 claims description 18
- 229940097012 bacillus thuringiensis Drugs 0.000 claims description 18
- 238000002360 preparation method Methods 0.000 claims description 18
- 239000000375 suspending agent Substances 0.000 claims description 17
- 230000000813 microbial effect Effects 0.000 claims description 14
- 241000238631 Hexapoda Species 0.000 claims description 12
- 239000000877 Sex Attractant Substances 0.000 claims description 12
- 241000256618 Trichogramma Species 0.000 claims description 11
- 241000382353 Pupa Species 0.000 claims description 9
- 230000032669 eclosion Effects 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000009736 wetting Methods 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 3
- 230000003071 parasitic effect Effects 0.000 claims description 3
- 235000006468 Thea sinensis Nutrition 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 1
- 235000009024 Ceanothus sanguineus Nutrition 0.000 abstract description 11
- 240000003553 Leptospermum scoparium Species 0.000 abstract description 11
- 235000015459 Lycium barbarum Nutrition 0.000 abstract description 11
- 230000006378 damage Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000447 pesticide residue Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 20
- 230000000694 effects Effects 0.000 description 10
- 235000013601 eggs Nutrition 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 239000000575 pesticide Substances 0.000 description 6
- 241000607479 Yersinia pestis Species 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 3
- 230000008654 plant damage Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000000749 insecticidal effect Effects 0.000 description 2
- 230000001418 larval effect Effects 0.000 description 2
- 244000052612 Amischotolype mollissima Species 0.000 description 1
- 241000255783 Bombycidae Species 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- 241000255777 Lepidoptera Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 239000013642 negative control Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000019617 pupation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a comprehensive prevention and control method for tea caterpillars, which combines biological prevention and control, physical prevention and control and agricultural prevention and control methods to comprehensively prevent and control the tea caterpillars; wherein, the agricultural control method adopts old tea water spraying, and soil at the root is thoroughly wetted. The method of the invention not only obviously reduces the harm degree of tea caterpillars, but also avoids the risk of overproof pesticide residues in tea leaves, is beneficial to increasing the yield and income of tea trees and improving the quality of tea leaves, and is suitable for the production of high-quality tea leaves.
Description
Technical Field
The invention relates to a tea planting method, in particular to a comprehensive prevention and control method for tea caterpillars.
Background
Tea bug (A. Mollissima (B.))EuproctispseudoconspersaStrand), also called Bombycis theophyllae, belongs to the family Bombycidae of Lepidoptera, and occurs in every tea garden, 3 generations occur in 1 year, without generation overlapping. Usually, the population density is higher in spring and autumn, and the tea trees are harmed by the fact that the larvae bite the leaves.
The tea caterpillars live through the winter in the eggs, egg masses can be laid on the back of old tea leaves by the tea caterpillars, larvae of the tea caterpillars have strong clustering performance, are often gathered near the egg masses to be harmful leaves, and are harmful symptoms that translucent films are formed on the tea leaves. The adult tea caterpillars are static on leaf backs in daytime and active after night, and have the most vitality at 19:00-23: 00.
At present, the application of chemical pesticides is a main means for preventing and controlling the tea caterpillars, but the long-term and single application of the chemical pesticides leads the drug resistance of the tea caterpillars to be continuously enhanced, the prevention and control effect is increasingly reduced, and the economic benefit of the tea is seriously influenced by the problem that the pesticide residue on the tea exceeds the standard. Therefore, the comprehensive prevention and control method of tea caterpillars is explored at present to make up for the deficiency of the chemical prevention and control method.
However, the prior art comprehensive prevention and control method still cannot separate the use of chemical pesticides. This has a negative effect on the production of high quality tea.
How to overcome the defects in the prior art and find a feasible comprehensive prevention and control method for the tea caterpillars without applying chemical pesticides is a technical problem which is urgently solved by technical personnel in the field.
Disclosure of Invention
The invention aims to provide a feasible comprehensive prevention and control method for tea caterpillars without applying chemical pesticides.
In order to solve the technical problems, the comprehensive prevention and control method for the tea caterpillars combines biological prevention and control, physical prevention and control and agricultural prevention and control methods to comprehensively prevent and control the tea caterpillars; wherein, the agricultural control method adopts old tea water spraying, and soil at the root is thoroughly wetted.
The preparation method of the old leaf tea water comprises the steps of picking the old leaves left after tea picking, boiling the old leaves for 10 minutes by using water with the weight 5 times of that of the tea leaves, and cooling to normal temperature.
The old tea water spraying method comprises the steps of spraying the old tea water on the whole tea plant, and thoroughly wetting soil at the root.
The biological control comprises the control of tea caterpillars by using sex attractant, natural enemy insect and microbial preparation.
The sex attractant is a tea caterpillar sex attractant, 4 sets/mu of tea caterpillar sex pheromone traps are hung to a position 10-15cm higher than the tea tent, and the lure core is replaced every 30 days.
The natural enemy insect is a parasitic natural enemy, is released by the trichogramma bee card, the release time is selected in the tea caterpillar egg prosperity period, and the release density is 1000-1500 heads/mu.
The microbial preparation is a bacillus thuringiensis suspending agent, and 100 ml and 150 ml of the bacillus thuringiensis suspending agent are applied to each mu of the microbial preparation, wherein 8000IU/mg of the bacillus thuringiensis suspending agent is applied to each mu of the microbial preparation.
The physical control is to control the tea caterpillars by using trapping equipment and black mulching film.
The agricultural control is to perform rhizosphere hilling in the pupa-containing period and then compact soil blocks to block pupa eclosion of tea caterpillars.
In the agricultural control, old tea water is sprayed in the pupa stage, and then rhizosphere hilling and soil block compaction are carried out.
The invention has the beneficial effects that: according to the occurrence rule and the harm characteristics of the tea caterpillars, the measures of physical prevention, biological prevention, agricultural prevention and the like of the tea caterpillars are comprehensively applied, wherein the agricultural prevention and control method adopts spraying of old-leaf tea water without applying chemical pesticides, so that the harm degree of the tea caterpillars is obviously reduced, the risk of overproof pesticide residues of the tea leaves is avoided, the yield and income of tea trees are increased, the tea quality is improved, and the method is suitable for production of high-quality tea.
Detailed Description
The method of the present invention is described in detail below.
The comprehensive prevention and control method for the tea caterpillars combines biological prevention and control, physical prevention and control and agricultural prevention and control methods to comprehensively prevent and control the tea caterpillars; wherein, the agricultural control method adopts old tea water spraying, and soil at the root is thoroughly wetted.
The preparation method of the old leaf tea water comprises picking the old leaves left after picking tea, boiling with water 5 times of the weight of tea for 10 min, and cooling to normal temperature.
The spraying method of old tea water comprises spraying old tea water onto whole plant of tea tree, and wetting the soil at the root.
The biological control comprises the control of tea caterpillars by using sex attractant, natural enemy insects and microbial preparation.
The sex attractant is a tea caterpillar sex attractant, 4 sets of tea caterpillar sex pheromone traps are hung to a position 10-15cm higher than the position of the tea fluffy body, and the attracting cores are replaced every 30 days.
The natural enemy insect is a parasitic natural enemy, is released by the trichogramma bee card, the release time is selected in the tea caterpillar egg prosperity period, and the release density is 1000-.
The microbial preparation is a bacillus thuringiensis (Bt) suspending agent, and 100 plus 150 ml of the bacillus thuringiensis suspending agent is applied to each mu of the microbial preparation, wherein 8000IU/mg of the bacillus thuringiensis suspending agent is used.
The physical control is to control the tea caterpillars by using trapping equipment and black mulching film. The trapping device is specifically a trapping insect killing lamp, 1 insect killing lamp is hung every 15 mu, and the lamp is turned on after dark in the eclosion period of adults, wherein the lamp turning-on time is 6-8 hours. And a black mulching film is laid between two rows of tea trees, the periphery of the mulching film is pressed by soil, and the distance between the black mulching film and the tea root necks of the tea trees on two sides is 0 cm.
The agricultural control is to earth up rhizosphere in the pupa-containing period and then compact soil blocks to block eclosion of tea caterpillars.
Preferably, in the agricultural control, old tea water is sprayed in the pupa stage, and then rhizosphere hilling and soil block compaction are carried out. Thus, the effect is better.
The following examples and comparative examples of the present invention were experimentally located in the tea research base of Chenzhou institute of agricultural science, Chenzhou, Hunan province, and the tea trees planted were of the Bixiang early variety. All the embodiments with the trapping and pest killing lamps in the experiment share 1 trapping and pest killing lamp, and the other 15 mu is an experiment area without the trapping and pest killing lamps. The area treated was 1 acre per example, with 3 replicates per treatment, for a total of 27 acres of experimental area. The investigation method is a five-point sampling method, 10 tea trees are selected at each point to investigate the occurrence of tea caterpillars, and 150 tea trees are investigated in each example.
Example (b):
the comprehensive prevention and control method for the tea caterpillars comprises the following steps:
(1) the trichogramma trichogrammae is released through the bee card in the tea caterpillar egg flourishing period, the release time is selected in the tea caterpillar egg flourishing period, and the release density is 1000-.
(2) Spraying old tea water on the whole plant of tea tree, and thoroughly wetting soil at the root. The preparation method of the old leaf tea water comprises picking the old leaves left after picking tea, boiling with water 5 times of the weight of tea for 10 min, and cooling to normal temperature.
(3) The microbial preparation of the bacillus thuringiensis (Bt) suspending agent is applied, and 100 plus 150 ml of the bacillus thuringiensis suspending agent with the concentration of 8000IU/mg is applied to each mu.
(4) And (4) carrying out rhizosphere hilling in a pupa-containing period, and then compacting soil blocks to block eclosion of the tea caterpillars. And laying a mulching film between two rows of tea trees, and pressing the periphery of the mulching film with soil.
(5) The insect-killing lamp is arranged, 1 insect is hung every 15 mu, and the lamp is turned on after dark in the eclosion period of adults, wherein the lamp-on time is 6-8 hours.
Comparative example 1:
the implementation steps of the method are basically the same as those of the embodiment 1, and the difference is that: in the embodiment, rhizosphere ridging and mulching films are not needed in the step (4), namely, a lamp for trapping and killing insects is directly arranged in the adult stage of the tea caterpillars.
Comparative example 2:
the implementation steps of the method are basically the same as those of the embodiment 1, and the difference is that: this example did not have the step (2) of spraying old tea water, i.e. the microbial preparation bacillus thuringiensis (Bt) suspension was applied directly in the larval stage of tea caterpillars after the trichogramma was released.
Comparative example 3:
the implementation steps of the method are basically the same as those of the embodiment 1, and the difference is that: in the embodiment, the trichogramma releasing step (1), the bacillus thuringiensis suspending agent application step (3) and the insect-killing trapping lamp setting step (5) are omitted, namely rhizosphere hilling and mulching are carried out after old tea water is sprayed.
Comparative example 4:
the implementation steps of the method are basically the same as those of the embodiment 1, and the difference is that: in the embodiment, old tea water is not sprayed in the step (2), rhizosphere hilling and mulching films are not paved in the step (4), namely, trichogramma is only released, a bacillus thuringiensis suspending agent is applied, and a trap insecticidal lamp is arranged.
Comparative example 5:
the implementation steps of the method are basically the same as those of the embodiment 1, and the difference is that: in the embodiment, the trichogramma releasing step (1), the old tea water spraying step (2), the rhizosphere hilling and mulching film paving step (4) and the insect trapping lamp setting step (5) are omitted, namely, the microbial preparation bacillus thuringiensis (Bt) suspending agent is applied only in the larval stage of the tea caterpillars.
Comparative example 6:
the implementation steps of the method are basically the same as those of the embodiment 1, and the difference is that: in the embodiment, the trichogramma releasing step (1), the old tea water spraying step (2), the bacillus thuringiensis suspending agent applying step (3) and the insect trapping lamp setting step (5) are omitted, namely, rhizosphere hilling and mulching are only carried out in the pupation stage of the tea caterpillars.
Comparative example 7:
the implementation steps of the comprehensive prevention and control method for the tea caterpillars are basically the same as those of the embodiment 1, and the differences are that: in the embodiment, old tea water is sprayed in the step (2), a bacillus thuringiensis suspending agent is applied in the step (3), rhizosphere hilling and mulching films are paved in the step (4), and a pest trapping lamp is arranged in the step (5), namely trichogramma is released only in the stage of full growth of tea caterpillar eggs.
Comparative example 8:
no procedure was performed as a negative control.
And in the middle 7 th month, the plant damage rate and the prevention and treatment effect of the tea caterpillars are counted.
The statistical results of the plant damage rate and the control effect of the tea caterpillars in examples and comparative examples 1 to 8 are shown in table 1:
TABLE 1 statistical results of the victimization rate and control effect of tea caterpillars in examples and comparative examples 1 to 8
| Processing method | Percentage of damaged plants (%) | Control effect (%) |
| Examples | 15.22 | 84.5 |
| Comparative example 1 | 22.44 | 80.13 |
| Comparative example 2 | 45.22 | 60.41 |
| Comparative example 3 | 27.89 | 75.5 |
| Comparative example 4 | 36.78 | 70.78 |
| Comparative example 5 | 38.22 | 60.48 |
| Comparative example 6 | 49.78 | 59.2 |
| Comparative example 7 | 28.67 | 73.38 |
| Comparative example 8 | 74.44 |
As can be seen from the results of Table 1, the control method of the present invention has a significant effect of reducing the rate of the pests of tea caterpillars, and the control effect is significantly improved as compared with comparative examples 1 to 8. Therefore, the prevention and treatment method disclosed by the invention has the advantages that the living environment of the tea caterpillars is deteriorated, the plant damage rate is reduced, and the prevention and treatment effect is improved by measures such as releasing trichogramma, spraying old-leaf tea water, applying a bacillus thuringiensis suspending agent, earthing up the rhizosphere, paving a mulching film, arranging a trap insecticidal lamp and the like.
Claims (10)
1. A comprehensive prevention and control method for tea caterpillars is characterized by comprising the following steps: the tea caterpillars are comprehensively prevented and controlled by combining biological prevention and control, physical prevention and control and agricultural prevention and control methods; wherein, the agricultural control method adopts old tea water to spray, and soil at the root part is drenched.
2. The method of claim 1, further comprising: the preparation method of the old leaf tea water comprises the steps of picking the old leaves left after tea picking, boiling the old leaves for 10 minutes by using water with the weight 5 times of that of the tea leaves, and cooling to normal temperature.
3. The method according to claim 1 or 2, wherein: the old tea water spraying method comprises the steps of spraying the old tea water on the whole tea plant, and thoroughly wetting soil at the root.
4. The method of claim 1, further comprising: the biological control comprises the control of tea caterpillars by using sex attractant, natural enemy insect and microbial preparation.
5. The method of claim 4, further comprising: the sex attractant is a tea caterpillar sex attractant, 4 sets/mu of tea caterpillar sex pheromone traps are hung to a position 10-15cm higher than the tea tent, and the lure core is replaced every 30 days.
6. The method of claim 4, further comprising: the natural enemy insect is a parasitic natural enemy, is released by the trichogramma bee card, the release time is selected in the tea caterpillar egg prosperity period, and the release density is 1000-1500 heads/mu.
7. The method of claim 4, further comprising: the microbial preparation is a bacillus thuringiensis suspending agent, and 100 ml and 150 ml of the bacillus thuringiensis suspending agent are applied to each mu of the microbial preparation, wherein 8000IU/mg of the bacillus thuringiensis suspending agent is applied to each mu of the microbial preparation.
8. The method of claim 1, further comprising: the physical control is to control the tea caterpillars by using trapping equipment and black mulching film.
9. The method of claim 1, further comprising: the agricultural control is to perform rhizosphere hilling in the pupa-containing period and then compact soil blocks to block pupa eclosion of tea caterpillars.
10. The method of claim 1, further comprising: in the agricultural control, old tea water is sprayed in the pupa stage, and then rhizosphere hilling and soil block compaction are carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210666147.9A CN114946488A (en) | 2022-06-14 | 2022-06-14 | Comprehensive prevention and control method for tea caterpillars |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210666147.9A CN114946488A (en) | 2022-06-14 | 2022-06-14 | Comprehensive prevention and control method for tea caterpillars |
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| Publication Number | Publication Date |
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| CN114946488A true CN114946488A (en) | 2022-08-30 |
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| CN202210666147.9A Pending CN114946488A (en) | 2022-06-14 | 2022-06-14 | Comprehensive prevention and control method for tea caterpillars |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5516520A (en) * | 1992-07-31 | 1996-05-14 | Industrial Technology Research Institute | Controlled-release pesticides and methods for preparation and use thereof |
| CN104604608A (en) * | 2015-02-07 | 2015-05-13 | 陈楚安 | Tealeaf pest and disease damage green prevention and control method |
| CN112868448A (en) * | 2020-12-18 | 2021-06-01 | 湖北旭光生物科技开发有限公司 | Tea leaf standardized planting method |
-
2022
- 2022-06-14 CN CN202210666147.9A patent/CN114946488A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5516520A (en) * | 1992-07-31 | 1996-05-14 | Industrial Technology Research Institute | Controlled-release pesticides and methods for preparation and use thereof |
| CN104604608A (en) * | 2015-02-07 | 2015-05-13 | 陈楚安 | Tealeaf pest and disease damage green prevention and control method |
| CN112868448A (en) * | 2020-12-18 | 2021-06-01 | 湖北旭光生物科技开发有限公司 | Tea leaf standardized planting method |
Non-Patent Citations (3)
| Title |
|---|
| 张继勇;: "无公害茶叶栽培和病虫害防治技术" * |
| 毛加梅;汪云刚;唐一春;刘德和;冉隆;玉香甩;: "我国茶毛虫防治研究进展" * |
| 胡高山\N\N\N,方承章\N\N\N,郑淑雄\N\N\N,卢大益\N\N\N,卢小桃: "无公害茶病虫的防治" * |
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