CN111492870A - Method for preventing and treating pine wood nematode disease - Google Patents
Method for preventing and treating pine wood nematode disease Download PDFInfo
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- CN111492870A CN111492870A CN202010320070.0A CN202010320070A CN111492870A CN 111492870 A CN111492870 A CN 111492870A CN 202010320070 A CN202010320070 A CN 202010320070A CN 111492870 A CN111492870 A CN 111492870A
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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
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M15/00—Flame-throwers specially adapted for purposes covered by this subclass
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- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
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- Health & Medical Sciences (AREA)
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Abstract
The invention discloses a method for preventing and treating pine wood nematode disease, which adopts a planned burning method to prevent and treat the pine wood nematode disease before the pine wood nematode disease occurs or in a pine forest which has already developed the pine wood nematode disease, and comprises the following specific steps: 1) selecting pine forest in a planned burning area to be burnt, and cleaning the pine forest; 2) arranging a control line at the edge of the pine forest in the area to be subjected to planned burning; 3) when the cut weeds, shrubs and branches in the pine forest are basically dry, the dry sunny day is selected, ignition is carried out in the planned burning area, and the weeds, withered leaves, and the sources of diseases and insects in the weeds, shrubs and branches on the ground surface in the planned burning area are burnt. According to the invention, the ground surface of the pine forest is burnt completely by a planned burning method, so that the population quantity of Monochamus alternatus ova and Monochamus alternatus is reduced, the quantity of pine wood nematodes carried by the Monochamus alternatus is reduced, the occurrence of pine wood nematode diseases is effectively prevented, the diffusion, spread and outbreak of the pine wood nematode diseases are prevented, and theoretical and technical support is provided for the healthy management of the pine forest.
Description
Technical Field
The invention relates to the field of prevention and control of pine wood nematode diseases, in particular to a method for preventing and controlling pine wood nematode diseases.
Background
Pine wood nematode disease is a devastating disease of pine trees, commonly known as cancer of pine trees, and is caused by pine wood nematodes (Bursaphelenchus xylophilus) The resulting destructive pine disease can harm more than 50 Pinus species and a few non-Pinus species. The disease occurs in the United states, Canada, Mexico, Japan, Korea, China, etc., with Japan being the most severe. Pine wilt disease attacks hong Kong in China in the 80 s of the 20 th century, almost destroying the widely distributed masson pine forest in hong Kong. In 1982, the pine wood nematode disease is firstly discovered in Shanling in Nanjing, the mainland of China, then a plurality of disease centers are formed in Anhui, Shandong, Zhejiang, Guangdong and the like in sequence and spread all around, and a disaster is spread in local areas of the provinces, so that a large number of pine trees are withered, and the ecological and economic losses are huge.
Monochamus alternatus (Monochamus alternatus) The pine wood nematode is a main vector insect for spreading the pine wood nematode disease, and the pine wood nematode invades healthy pine trees through wounds caused by adult pine wood nematode feeding and female adult pine wood nematode laying, so that the pine trees are infected with diseases and die in a short period, and therefore, the control of the spreading vector (the pine wood nematode) of the pine wood nematode disease is of great importance.
At present, pine wood nematode disease outbreaks at home and abroad, the situation is serious, and the loss is huge. The prevention and control of the pine wood nematode disease mostly adopts the technical means of physics, chemistry, biology and the like to control the population density of monochamus alternatus, for example, the physical prevention and control is carried out by applying methods of traps, black light lamps, trapping and killing by luring trees and the like, but the large-area popularization of the physical prevention and control is difficult; chemical control is carried out by adopting manual and airplane pesticide spraying or trunk injection, generally adopting pesticide with contact poisoning, stomach toxicity, systemic action and strong permeability, and the chemical control has higher cost and is easy to bring secondary pollution; the biological control method mainly releases pathogenic microbial powder such as beauveria bassiana and metarhizium anisopliae and natural enemy insects such as dastarcus helophoroides and scleroderma guani, and has slow effect. Therefore, the pine wilt disease control technology becomes the most urgent problem to be solved at present.
In conclusion, the development of the pine wood nematode disease control technology and method has great theoretical and practical innovative significance and wide popularization and application prospects.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art, and provides a method for preventing and treating the pine wilt disease, which has the advantages of simple operation, low cost, no pollution, thorough prevention and treatment and capability of reducing the damage of the pine wilt disease.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for preventing and controlling pine wood nematode disease adopts a planned burning method to prevent and control the pine wood nematode disease before the pine wood nematode disease occurs or in a pine forest in which the pine wood nematode disease has occurred, and the specific operation steps are as follows: 1) selecting pine forest in a planned burning area to be burnt, and cleaning the pine forest; 2) arranging a control line at the edge of the pine forest in the area to be subjected to planned burning; 3) when the cut weeds, shrubs and branches in the pine forest are basically dry, the dry sunny day is selected, ignition is carried out in the planned burning area, and the weeds, withered leaves, and the sources of diseases and insects in the weeds, shrubs and branches on the ground surface in the planned burning area are burnt.
Planned burning-out refers to a technique and a method for planned and purposeful burning-out of combustible substances under forest by using low-intensity fire under certain ecological conditions under artificial control, so as to obtain a certain expected effect for one or more targets of preventing forest fire, promoting natural updating, improving wild animal feed sources, reducing forest diseases and insect pests and the like. By adopting the measure of combining the planned burning-out technology with the prevention and treatment of the nematodosis in the pine forest, the population density of monochamus alternatus can be effectively reduced, the carrying capacity of the pine wood nematodes is reduced, and the occurrence of the pine wood nematode diseases is prevented and treated.
Further, the pine forest is a pinus massoniana forest stand except for the young forest.
Further, the area of the masson pine stand is less than 100000m2。
Further, the width of the control line is greater than or equal to 10 m.
Further, the meteorological conditions at the time of ignition are: the wind speed is lower than 2 grades, and the air temperature is lower than 25 ℃.
Further, the flame height at ignition is less than 1.5 m.
Further, the specific operation steps of cleaning the pine forest in the step 1) are as follows: cutting off weeds, shrubs and branches in the pine forest.
Further, the specific operation steps of pruning are as follows: and cutting off branches which grow on the trunk of the arbor and are less than 2.5m away from the ground.
The method for preventing and treating the pine wilt disease has the beneficial effects that: according to the invention, the ground surface of the pine forest which is not infected by the pine wood nematode or has been infected by the pine wood nematode is subjected to comprehensive burning by a planned burning method, so that the population quantity of the egg of the monochamus alternatus and the monochamus alternatus is effectively reduced, the quantity of the pine wood nematodes carried by the monochamus alternatus is reduced, the occurrence of the pine wood nematode is effectively prevented, the diffusion and spread of the pine wood nematode are prevented, the outbreak of the pine wood nematode is prevented, theoretical and technical supports are provided for the healthy management of the pine forest, and the method has important theoretical and practical significance.
Drawings
FIG. 1 is a schematic plan view of a planned burn-out area.
The above reference numerals: 1-planned burn-out region, 2-control line, 3-fire region.
Detailed Description
The invention is further illustrated with reference to the following figures and examples, which are not intended to limit the scope of the invention in any way.
Example 1
A method for preventing and controlling pine wood nematode disease adopts a planned burning method to prevent and control the pine wood nematode disease before the pine wood nematode disease occurs, and the specific operation steps are as follows:
1) selecting pine forest to be burnt out in the planned burning area 1, and cleaning the pine forest, wherein the cleaning method comprises the following specific operation steps: cutting weeds, shrubs and branches in the masson pine forest except for young forests, wherein the specific operation steps of the branching are as follows: cutting off branches which grow on the trunk of the arbor and are less than 2.5m away from the ground, wherein the area of the pinus massoniana forest stand is 9000 m2；
2) Arranging a control line 2 at the edge of the pinus massoniana forest stand in the planned burning-out area 1, wherein the control line 2 is an isolation belt, the width of the control line 2 is 20m, and the arrangement of the control line 2 avoids fire escape and fire hazard;
3) when the cut weeds, shrubs and branches in the pine forest are basically dry, dry sunny days are selected, ignition is carried out in an ignition area 3 (a five-pointed star area in figure 1) in a planned burning area 1 when the wind speed is lower than 2 levels and the air temperature is lower than 25 ℃, the weeds, withered leaves and disease sources and insect sources in the planned burning area 1 are burned, and the flame height during ignition is less than 1.5 m.
The method adopts the planned burning method to prevent and control the pine wood nematode disease in the pine forest, the planned burning can not only burn off weeds and withered leaves on the ground surface and disease sources and insect sources in the surface, but also interfere the disease sources and insects parasitizing on trunks, branches and leaves of the trees by the convection plume formed by the planned burning, so that the number of the insects is obviously reduced, the population density of the Monochamus alternatus in the pine forest is controlled, the number of the pine wood nematode carried by the Monochamus alternatus is reduced, and the occurrence of the pine wood nematode disease is effectively prevented and controlled.
The invention detects the number of adult female and male monochamus alternatus in pine forest before and after the planned burning method, and the number of pine wood nematodes carried by the adult female and male monochamus alternatus, and the detection result is as follows:
compared with the number of the female and male Monochamus alternatus adults in the pine forest before the planned burning method, the number of the female Monochamus alternatus adults in the pine forest after planned burning can be respectively reduced by 88.24%, 75.00% and 94.74%, and the average value of the reduction is 85.99%; the number of male adult monochamus alternatus may be reduced by 77.78%, 81.82% and 88.89%, respectively, with an average of 82.83.
Compared with the number of the pine wood nematodes carried by female and male Monochamus alternatus adults before the planned burning method is carried out in the pine forest, the average value of the number of the pine wood nematodes carried by female Monochamus alternatus adults after the planned burning of the pine forest is reduced from 1135 to 6; the average number of pine wood nematodes carried by the male longicorn of monochamus alternatus decreased from 397 to 35.
The detection results show that the planned burning-out method is adopted to treat the pine forest, so that the number of pine wood nematodes carried by monochamus alternatus hope and monochamus alternatus hope in the pine forest can be remarkably reduced, the population density of the monochamus alternatus hope among the pine forests is effectively controlled, and the occurrence of pine wood nematode diseases is prevented and treated.
The burn-out area contemplated in the present invention may also be other irregular pattern areas, not limited to the rectangular area in FIG. 1.
As used herein, the terms "upper," "lower," "left," "right," and the like are used for convenience of description based on the orientation as shown in the figures of the drawings, which may vary from one actual device to another depending on the manner in which the device is arranged.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A method for controlling pine wood nematode disease, which is characterized in that: before the pine wood nematode disease occurs or in a pine forest in which the pine wood nematode disease has occurred, a planned burning method is adopted to prevent the pine wood nematode disease, and the specific operation steps are as follows: 1) selecting pine forest in a planned burning area to be burnt, and cleaning the pine forest; 2) arranging a control line at the edge of the pine forest in the area to be subjected to planned burning; 3) when the cut weeds, shrubs and branches in the pine forest are basically dry, the dry sunny day is selected, ignition is carried out in the planned burning area, and the weeds, withered leaves, and the sources of diseases and insects in the weeds, shrubs and branches on the ground surface in the planned burning area are burnt.
2. The method of claim 1, wherein the method comprises: the pine forest is a masson pine stand except for young forests.
3. The method of claim 2, wherein the method comprises: the area of the masson pine stand is less than 100000m2。
4. The method of claim 1, wherein the method comprises: the width of the control line is greater than or equal to 10 m.
5. The method of claim 1, wherein the method comprises: the meteorological conditions at the time of ignition are as follows: the wind speed is lower than 2 grades, and the air temperature is lower than 25 ℃.
6. The method of claim 1, wherein the method comprises: the flame height at ignition is less than 1.5 m.
7. The method of claim 1, wherein the method comprises: the specific operation steps for cleaning the pine forest in the step 1) are as follows: cutting off weeds, shrubs and branches in the pine forest.
8. The method of claim 7, wherein the method comprises: the specific operation steps of pruning are as follows: and cutting off branches which grow on the trunk of the arbor and are less than 2.5m away from the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010320070.0A CN111492870A (en) | 2020-04-22 | 2020-04-22 | Method for preventing and treating pine wood nematode disease |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010320070.0A CN111492870A (en) | 2020-04-22 | 2020-04-22 | Method for preventing and treating pine wood nematode disease |
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| Publication Number | Publication Date |
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| CN111492870A true CN111492870A (en) | 2020-08-07 |
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| CN202010320070.0A Withdrawn CN111492870A (en) | 2020-04-22 | 2020-04-22 | Method for preventing and treating pine wood nematode disease |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006117538A (en) * | 2004-10-19 | 2006-05-11 | Dainippon Jochugiku Co Ltd | Solubilizable aqueous emulsion |
| CN102428907A (en) * | 2011-09-09 | 2012-05-02 | 惠州市神龙松材线虫病综合治理有限公司 | Method for treating dead and drying tree suffering from pine wood nematode disease |
| CN107667739A (en) * | 2017-10-17 | 2018-02-09 | 陈合华 | A kind of method of integrated control longicorn |
| CN110547168A (en) * | 2019-09-30 | 2019-12-10 | 中南林业科技大学 | Pine nematode prevention and control method |
| CN111037690A (en) * | 2020-01-07 | 2020-04-21 | 哈尔滨市三立雅风科技开发有限公司 | Pine wood nematode disease wood and treatment method thereof |
-
2020
- 2020-04-22 CN CN202010320070.0A patent/CN111492870A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006117538A (en) * | 2004-10-19 | 2006-05-11 | Dainippon Jochugiku Co Ltd | Solubilizable aqueous emulsion |
| CN102428907A (en) * | 2011-09-09 | 2012-05-02 | 惠州市神龙松材线虫病综合治理有限公司 | Method for treating dead and drying tree suffering from pine wood nematode disease |
| CN107667739A (en) * | 2017-10-17 | 2018-02-09 | 陈合华 | A kind of method of integrated control longicorn |
| CN110547168A (en) * | 2019-09-30 | 2019-12-10 | 中南林业科技大学 | Pine nematode prevention and control method |
| CN111037690A (en) * | 2020-01-07 | 2020-04-21 | 哈尔滨市三立雅风科技开发有限公司 | Pine wood nematode disease wood and treatment method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王卸芳等: "林内计划焚烧法在松材线虫病防治中的应用", 《林内计划焚烧法在松材线虫病防治中的应用》 * |
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