CN104186166A - Method for controlling Yunnan tip cutting bark beetles through alnus ferdinandi-coburgii - Google Patents
Method for controlling Yunnan tip cutting bark beetles through alnus ferdinandi-coburgii Download PDFInfo
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Abstract
The invention provides a method for controlling Yunnan tip cutting bark beetles through alnus ferdinandi-coburgii. According to the method, the alnus ferdinandi-coburgii is planted at the edge and the forest gap of Yunnan pinewoods where Yunnan tip cutting bark beetles exist and open space with damaged wilting Yunnan pines and Yunnan pines at the death-hour according to the planting space of 1.5-3 m*1.5-3 m, the method is suitable for areas where the alnus ferdinandi-coburgii grows, and after the alnus ferdinandi-coburgii is nurtured for four years to five years, the Yunnan tip cutting bark beetle disease can be gradually controlled till the Yunnan tip cutting bark beetle disease is completely restrained. According to the method for controlling the Yunnan tip cutting bark beetles through the alnus ferdinandi-coburgii, the Yunnan tip cutting bark beetle disease can be gradually controlled till the Yunnan tip cutting bark beetle disease is completely restrained, the stand structure can be improved, the forest stock is increased, the diversities of species are improved, the method has the advantages of being environmentally friendly, small in investment, large in benefits, simple and easy to implement, learn, grasp and popularize, production and yield can be improved, and the land utilization rate can be increased.
Description
Technical field
The present invention relates to a kind of Yunnan, river alder that utilizes and control the method that tip bark beetle is cut in Yunnan, belong to Harmful ecological control field.
Background technology
Tip bark beetle is cut in Yunnan
tomicus yunnanensiskirkendall & Faccoli sp.n. (Curculionidae, Scolytinae) is the great forest trunk borer in pinus yunnanensis growing area.On July 9th, 2008, professor Ye Hui of Norway scientist Lawrence R. Kirkendall, Italian scientist Massimo Faccoli and Yunnan University cosigns and publishes this species at < < ZOOTAXA > >, the provinces and regions such as Yunnan, Sichuan, Guizhou of pinus yunnanensis plantation have now been distributed widely in, the area accumulative total that harm occurs surpasses 1,000,000 mu, and has year by year the trend that spreads, spreads.All Yunnan that suffers is cut the harm of tip bark beetle and becomes wooden pinus yunnanensis of wilting, and must change into dying wood, until plant death completely.Therefore " cancer " that the harm of tip bark beetle has become Southwestern China area pinus yunnanensis cut in Yunnan, is badly in need of research and development and continues prevention and control Yunnan and cut the harm that tip bark beetle causes pinus yunnanensis, the method that spreads, spreads.
At present for Yunnan, cut the scientific research of tip bark beetle weaker, scientific achievement is relatively less, cut to Yunnan the patent that tip bark beetle is relevant and only have " tip bark beetle mixed forest seeds and screening technique (CN201010546067) are cut in a kind of anti-Yunnan based on olfaction reaction ", this patent only relates to the mixed forest seeds that tip bark beetle is cut in the anti-Yunnan of How to choose, and with how controlling Yunnan to cut tip bark beetle irrelevant.
Summary of the invention
Present inventors are since investigation in 2010, test.The method of cutting tip bark beetle attempt to control Yunnan, found that and utilize Yunnan, river alder progressively to control until contain that Yunnan cuts the harm of tip bark beetle completely, is also to control Yunnan to cut that tip bark beetle is the simplest, convenient, the significant method of effect simultaneously.
So the invention provides a kind of Yunnan, river alder that utilizes, control the method that tip bark beetle is cut in Yunnan, it is characterized in that Yunnan, river alder nursery stock according to the line-spacing of the spacing in the rows of 1.5m ~ 3m, 1.5m ~ 3m, in annual after-culture in 6 ~ July, suffering Yunnan to cut the border of the Pinus Yunnanensis Forest of tip bark beetle harm, woods window and lumbering except the vacancy area of being injured after pinus yunnanensis wilting, dying wood, and this region is the region of Yunnan, suitable river alder growth, foster Yunnan, river alder 4 ~ 5 years, can progressively control until contain that Yunnan cuts tip bark beetle harm completely.
Described border refers to: subject to Yunnan and cut that tip bark beetle is attacked and edge, forest land and the ride edge of the Pinus Yunnanensis Forest that spreads, spread.Because belonging to, these regions very easily suffer Yunnan to cut the region that tip bark beetle is attacked and spread, spreads.
Described woods window refers to: in Pinus Yunnanensis Forest, suffer Yunnan to cut tip bark beetle and endanger lethal and form the sparse slash of forest, this slash planimetric area is greater than 4m
2, because this class region belongs to the attack that very easily suffers Yunnan to cut tip bark beetle, and the region of easily spreading, spreading.
The vacant lot that described lumbering removes be injured pinus yunnanensis wilting, dying wood refers to: cleaning lumbering removes and is injured after pinus yunnanensis wilting, dying wood, the sparse forest vacant lot of formation routinely.
The described pinus yunnanensis wilting wood of being injured refers to: because suffering Yunnan to cut the gathering of tip bark beetle, take food, lay eggs on pinus yunnanensis branch and trunk, form worm channel and congealed fat that tip bark beetle is cut in a large amount of Yunnan, make the dehydration of pinus yunnanensis tree crown, trees present wilted condition.
The dying wood of the described pinus yunnanensis that is injured refers to: because suffering Yunnan to cut the gathering of tip bark beetle, take food, lay eggs on pinus yunnanensis branch and trunk, form worm channel and congealed fat that tip bark beetle is cut in a large amount of Yunnan, the complete dehydration of pinus yunnanensis tree crown, chlorisis are wilted, trees are dead.
The region of Yunnan, described suitable river alder growth, the region that possesses the physio geographic condition of Yunnan, river alder growth, specifically refer to: 1500～3000 meters of height above sea level, soil thickness are more than 80 cm, moistening, soil is yellow laterite earth, purple soil, the mountain region of laterite earth, col, or small stream limit, limit, river shoal wetland, hillside fields, river bank.
In Yunnan, cut the ground such as the extensive Yunnan distributing of tip bark beetle, Southwest Sichuan portion, WESTERN GUIZHOU, all have the natural distribution of Yunnan, river alder, Yunnan, river alder grows in the area of 1500 meters to 3000 meters of height above sea level, land occupation condition is had to very strong adaptability, drought-resistant barren, at hillside afforestation, well-grown.Therefore planting site should be chosen in the middle and lower part, hillside of height above sea level and the mountain region of low height above sea level, soil thickness is more than 80 cm, on the soil such as moistening yellow-red soil, purple soil, mountain red soil, all can plant Yunnan, river alder, at col place, place growth that small stream limit, limit, river shoal wetland, slope, river bank Water condition are good is especially good.
Described Yunnan, the river alder of fostering refers to for 4 ~ 5 years: after the alder nursery stock after-culture of Yunnan, river, grow 4 ~ 5 years continuously, carry out 1 weeding 6 annual ~ July, loosen the soil, topdress the annual end of the year 1 time; Full 4 years, before topdressing, prune 1 time.
The present invention has following advantages and effect: by such scheme, can progressively control until contain that Yunnan cuts tip bark beetle harm completely.Separately, the present invention can also improve forest distributed architecture, increases forest stock, improves species diversity, and there is environmental friendliness, invest little, income is large, simply, easily go, easy learning and mastering, the feature of easily promoting, and can promote to increase production, increase income, land utilization rate improved.
Accompanying drawing explanation
Fig. 1 is that the harm situation of change of index of tip bark beetle is cut in Yunnan.
Embodiment
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1
1) select to suffer Yunnan to cut that tip bark beetle is attacked and edge, forest land and the ride edge of the Pinus Yunnanensis Forest that spreads, spread, and the physio geographic condition in this region is: 1500 meters of height above sea level, soil thickness are more than 80 cm, moistening, and soil is yellow laterite earth;
2) according to the line-spacing of the spacing in the rows of 1.5m, 3m, in Yunnan, after-culture in June river alder nursery stock then;
3) continuously growth 4 years after after-culture, and in annual June, carry out 1 weeding, loosen the soil, topdress the annual end of the year 1 time; Full 4 years, before topdressing, prune 1 time, can progressively control until contain that Yunnan cuts the harm of tip bark beetle completely.
Embodiment 2
1) select to suffer Yunnan to cut tip bark beetle and endanger lethal and form the sparse slash of forest, and this slash planimetric area is greater than 4m
2, and the physio geographic condition in this region is: 3000 meters of height above sea level, soil thickness are more than 80 cm, moistening, and soil is the col of laterite earth,
2) according to the line-spacing of the spacing in the rows of 1.5m, 1.5m, in Yunnan, after-culture in July river alder nursery stock then;
3) continuously growth 5 years after after-culture, and in annual July, carry out 1 weeding, loosen the soil, topdress the annual end of the year 1 time; Full 4 years, before topdressing, prune 1 time, can progressively control until contain that Yunnan cuts the harm of tip bark beetle completely.
Embodiment 3
1) select lumbering pinus yunnanensis wilted except being injured, the vacancy area after dying wood, and the physio geographic condition in this region is: 2000 meters of height above sea level, soil thickness more than 80 cm, small stream limit wetland;
2) according to the line-spacing of the spacing in the rows of 3m, 3m, in Yunnan, after-culture in June river alder nursery stock then;
3) continuously growth 4 years after after-culture, and in annual June, carry out 1 weeding, loosen the soil, topdress the annual end of the year 1 time; Full 4 years, before topdressing, prune 1 time, can progressively control until contain that Yunnan cuts the harm of tip bark beetle completely.
Embodiment 4
1) select to suffer Yunnan to cut that tip bark beetle is attacked and edge, forest land and the ride edge of the Pinus Yunnanensis Forest that spreads, spread, and except being injured, pinus yunnanensis is wilted, the vacancy area after dying wood to suffer Yunnan to cut the lethal and lumbering of tip bark beetle harm, and the physio geographic condition in this region is: 1800 meters of height above sea level, soil thickness more than 80 cm, hillside fields, river bank;
2) according to the line-spacing of the spacing in the rows of 3m, 1.5m, in Yunnan, after-culture in June river alder nursery stock then;
3) continuously growth 4 years after after-culture, and in annual June, carry out 1 weeding, loosen the soil, topdress the annual end of the year 1 time; Full 4 years, before topdressing, prune 1 time, can progressively control until contain that Yunnan cuts the harm of tip bark beetle completely.
For showing that the present invention utilizes Yunnan, river alder to control the effect that tip bark beetle is cut in Yunnan, is proved below by concrete test.
1, materials and methods
1.1 overviews experimental field
(center, test region N:25 ° 39 ' 53 to be experimental field positioned at forest zone, Jiulong shan Mountain, Zhanyi County, Qujing.4 "; E:103 ° 48 ' 1.2 "; H:2034m), be pinus yunnanensis Artificial Pure, genus Yunnan is cut tip bark beetle and is endangered over the years district, the age of tree 30 years, the diameter of a cross-section of a tree trunk 1.3 meters above the ground 20 ± 5cm.
1.2 Yunnan, after-culture river alders are controlled Yunnan and are cut the test of tip bark beetle
In May, 2010, suffer to experimental investigation Yunnan to cut pinus yunnanensis after the tip bark beetle infringement background situation of being injured, collect after background data, choose interval 1km two approximately 100 mu, and suffer Yunnan to cut pinus yunnanensis after tip bark beetle infringement be injured strain rate, withered dead plant rate, the basically identical plot of the index of harming, one of them as a control group, another is as according to the experimental group of the scheme implementation of the embodiment of the present invention 1.In June, 2010, by Yunnan, river alder seedling, according to seeding row spacing 2m * 2m, border, the woods window of the pinus yunnanensis that tip bark beetle occurs cut in after-culture in Yunnan, and lumbering is except the be injured vacant lot of wilting, dying wood of pinus yunnanensis, fosters continuously Yunnan, river alder 4 years.Respectively in June, 2011, in July, 2012, in June, 2013, in June, 2014, at two, 5 sample ground are experimental field set at random, each plot size is 20m * 30m, in sample ground, according to diagonal, demarcate type strain, according to Yunnan, cut the tip bark beetle standing forest class standard of being injured, by each sample classify, with two of the strain rate of being injured, withered dead plant rate, the index of harming investigation, experimental field cut tip bark beetle victimization state in Yunnan, detect the embodiment of the present invention 1 and control the effect that tip bark beetle is cut in Yunnan.
1.3 data processing
Application Excel and SPSS17.0 etc. carry out Oen-Way ANOVA analysis to data, and carry out multiple ratio with the least significant difference (LSD), and statistical significance level is P<0.05.
2 results and analysis
(1) the strain rate situation of change of being injured
The be injured situation of change of strain rate of tip bark beetle is cut in Yunnan, in Table 1.
the tip bark beetle different year strain rate situation of change of being injured is cut in table 1 Yunnan
| Each time strain rate (%) of being injured | Test plot | Control sample ground |
| 2011 | 30.45±0.17aA | 30.75±0.11aA |
| 2012 | 45.35±0.33bA | 45.61±0.13bA |
| 2013 | 29.94±0.62cA | 84.98±0.52cB |
| 2014 | 6.49±0.61dA | 88.06±2.76cB |
Note: in table, data are that the tip bark beetle different year strain rate average soil standard error (%) of being injured, data acquisition LSD multiple comparison analyse are cut in Yunnan; The identical expression same column of lowercase P > 0.05, difference is not remarkable; Minuscule is different, represents same column P < 0.05, significant difference; The identical expression colleague of capitalization P > 0.05, difference is not remarkable; Large letter is different, represents colleague P < 0.05, significant difference.
As shown in Table 1, the strain rate of being injured that test plot in 2011 suffers Yunnan to cut the infringement of tip bark beetle is 30.45 ± 0.17%, and the strain rate of being injured to control sample is 30.75 ± 0.11%; It is not remarkable that the tip bark beetle strain rate otherness of being injured is cut in Yunnan, different ground.
The strain rate of being injured that test plot in 2012 suffers Yunnan to cut the infringement of tip bark beetle is 45.35 ± 0.33%, and the strain rate of being injured to control sample is 45.61 ± 0.13%; It is not remarkable that the tip bark beetle strain rate otherness of being injured is cut in Yunnan, different ground.
Test plot is controlled Yunnan according to the embodiment of the present invention 1 Yunnan, scheme implementation after-culture river alder and is cut tip bark beetle, and from 2011 to 2012, the strain rate of being injured that suffers Yunnan to cut the infringement of tip bark beetle increased progressively; From 2012 to 2014, the strain rate of being injured that suffers Yunnan to cut the infringement of tip bark beetle was successively decreased; The strain rate of being injured for 2012 reaches peak value; Each year suffers Yunnan to cut the strain rate of being injured of tip bark beetle infringement, within 2011, be within 30.45 ± 0.17%, 2012, be within 45.35 ± 0.33%, 2013, be 29.94 ± 0.62%, 2014 years be 6.49 ± 0.61%.
Control sample ground is not cut tip bark beetle for Yunnan and is taked any prevention and control technical measures, from 2011 to 2014, the strain rate of being injured that suffers Yunnan to cut the infringement of tip bark beetle is cumulative year after year, the strain rate of being injured for 2011 is 30.75 ± 0.11%, within 2012, be 45.61 ± 0.13%, within 2013, be 84.98 ± 0.52%, 2014 be 88.06 ± 2.76%.
Minute year the strain rate of being injured more differently, 2011,2012 test plots strain rate of being injured is slightly less than control sample and is injured strain rate, but otherness is not remarkable; 2013,2014 the test plot strain rate of being injured be significantly less than control sample and be injured strain rate.
(2) withered dead plant rate situation of change
Suffer Yunnan to cut the situation of change of the withered dead plant rate after the infringement of tip bark beetle, in Table 2.
the withered dead plant rate situation of change of tip bark beetle different year is cut in table 2 Yunnan
| Withered dead plant rate of each time (%) | Test plot | Control sample ground |
| 2011 | 4.79±0.29aA | 5.10±0.29aA |
| 2012 | 9.12±0.34bA | 8.65±0.39bA |
| 2013 | 4.45±0.59aB | 15.58±0.26cB |
| 2014 | 0.57±0.26cB | 17.85±0.63dB |
Note: in table, data are that the withered dead plant rate average soil of tip bark beetle different year standard error (%), data acquisition LSD multiple comparison analyse are cut in Yunnan; The identical expression same column of lowercase P > 0.05, difference is not remarkable; Minuscule is different, represents same column P < 0.05, significant difference; The identical expression colleague of capitalization P > 0.05, difference is not remarkable; Large letter is different, represents colleague P < 0.05, significant difference.
As shown in Table 2, the withered dead plant rate that test plot in 2011 suffers Yunnan to cut the infringement of tip bark beetle is 4.79 ± 0.29%, and the withered dead plant rate in control sample ground is 5.10 ± 0.29%; It is not remarkable that the withered strain rate of tip bark beetle otherness is cut in Yunnan, different ground.
The withered dead plant rate that test plot in 2012 suffers Yunnan to cut the infringement of tip bark beetle is 9.12 ± 0.34%, and the withered dead plant rate in control sample ground is 8.65 ± 0.39%; It is not remarkable that the withered strain rate of tip bark beetle otherness is cut in Yunnan, different ground.
Test plot according to the embodiment of the present invention 1 scheme implementation after, Yunnan, after-culture river alder is controlled Yunnan and is cut tip bark beetle, from 2011 to 2012, the withered dead plant rate that suffers Yunnan to cut the infringement of tip bark beetle increased progressively; From 2012 to 2014, the withered dead plant rate that suffers Yunnan to cut the infringement of tip bark beetle successively decreased; Within 2012, withered dead plant rate reaches peak value; Each year the withered dead plant rate of harming, within 2011, be within 4.79 ± 0.29%, 2012, be within 9.12 ± 0.34%, 2013, be 4.45 ± 0.59%, 2014 years be 0.57 ± 0.26%.
Any prevention and control technical measures are not taked for suffering Yunnan to cut the infringement of tip bark beetle in control sample ground, from 2011 to 2014, suffer Yunnan to cut the withered dead plant rate significance cumulative year after year of tip bark beetle infringement, the withered dead plant rate of 2011 is 5.10 ± 0.29%, within 2012, be 8.65 ± 0.39%, within 2013, be 15.58 ± 0.26%, 2014 be 17.85 ± 0.63%.
Minute year withered dead plant rate more differently, within 2011, the withered dead plant rate of test plot is slightly less than the withered dead plant rate in control sample ground, within 2012, the withered dead plant rate of test plot is slightly larger than the withered dead plant rate in control sample ground, but equal otherness is not remarkable; 2013,2014 the test plot strain rate of being injured be significantly less than control sample and be injured strain rate.
(3) the index variation situation of harming
The harm situation of change of index of tip bark beetle is cut in Yunnan, sees Fig. 1.
As shown in Figure 1, it is 9.25 that test plot in 2011 suffers Yunnan to cut the tip bark beetle index of harming, and the index of harming to control sample is 9.29; The test plot index of harming is slightly less than control sample and harms index.
Test plot is controlled Yunnan according to the embodiment of the present invention 1 Yunnan, scheme implementation after-culture river alder and is cut tip bark beetle, from 2011 to 2012, and the exponential increasing of harming; From 2012 to 2014, the index of As time goes on harming successively decreased year by year; Within 2012, the index of harming reaches peak value; Each year the index of harming, within 2011, be within 9.25,2012 years, to be within 15.2,2013 years, to be within 11.78,2014 years, to be 3.32.
Control sample ground is not cut tip bark beetle for Yunnan and is taked any prevention and control technical measures, and from 2011 to 2014, the index cumulative year after year of As time goes on harming, 2011 was within 9.29,2012 years, to be within 15.7,2013 years, to be within 24.7,2014 years, to be 25.8.
Minute year the index of harming more differently, 2011,2012 test plots index of harming is slightly less than control sample and harms index; 2013,2014 test plot index indexes of harming that are significantly less than control sample of harming.
3 conclusions
Select Yunnan to cut be injured strain rate, withered strain rate otherness of tip bark beetle not remarkable, the index of harming is more or less the same, i.e. basically identical test plot and the control sample ground of initial situation; Test plot is controlled Yunnan according to the embodiment of the present invention 1 Yunnan, scheme implementation after-culture river alder and is cut tip bark beetle, and at Yunnan, river alder Seedling Stage, be injured strain rate, withered dead plant rate, the index of harming of tip bark beetle cut in Yunnan the trend of cumulative year after year; Under the alder of the Yunnan, river of after-culture after 3 years, nursery stock grows tall, is preced with width and grows up, Yunnan is cut be injured strain rate, withered dead plant rate, the index of harming of tip bark beetle and is As time goes on all successively decreased year by year, Yunnan is cut tip bark beetle extent of injury and is effectively contained.
Control sample ground is not cut tip bark beetle for Yunnan and is taked any prevention and control technical measures, tip bark beetle be injured strain rate, withered dead plant rate, the index of harming are cut in Yunnan, As time goes on cumulative year after year, Yunnan is cut tip bark beetle and is propagated gradually, spreads, spreads, progressively increase the weight of harm, standing forest is thinning to be dredged, and Pinus Yunnanensis Forest dies down totally.
Based on above result of the test, tip bark beetle control method is cut in the alder control Yunnan, Yunnan, after-culture river that utilizes provided by the invention, can effectively reduce Yunnan and cut the tip bark beetle extent of injury, contains its diffusion, spreads, and has sustainable control action; Can improve stand structure, increase forest stock, improve species diversity, and environmental friendliness, invest little, income is large, simple, easily row, the feature easily promoted.
Claims (8)
1. one kind is utilized Yunnan, river alder to control the method that tip bark beetle is cut in Yunnan, it is characterized in that Yunnan, river alder according to the line-spacing of the spacing in the rows of 1.5m ~ 3m, 1.5m ~ 3m, in annual after-culture in 6 ~ July, suffering Yunnan to cut the border of the Pinus Yunnanensis Forest of tip bark beetle harm, woods window and lumbering except the vacancy area of being injured after pinus yunnanensis wilting, dying wood, and this region is the region of Yunnan, suitable river alder growth.
2. Yunnan, the river alder of utilizing according to claim 1 is controlled the method that tip bark beetle is cut in Yunnan, it is characterized in that described border refers to: subject to Yunnan and cut that tip bark beetle is attacked and edge, forest land and the ride edge of the Pinus Yunnanensis Forest that spreads, spread.
3. Yunnan, the river alder that utilizes according to claim 1 is controlled the method that tip bark beetle is cut in Yunnan, it is characterized in that described woods window refers to: in Pinus Yunnanensis Forest, suffer Yunnan to cut tip bark beetle and endanger lethal and form the sparse slash of forest, this slash planimetric area is greater than 4m
2, this region subjects to the attack that tip bark beetle is cut in Yunnan, and easily spreads, spreads.
4. Yunnan, the river alder that utilizes according to claim 1 is controlled the method that tip bark beetle is cut in Yunnan, it is characterized in that described lumbering except the pinus yunnanensis that is injured is wilted, the vacant lot of dying wood refers to: routinely cleaning lumbering except being injured, pinus yunnanensis is wilted, after dying wood, the sparse forest vacant lot of formation.
5. Yunnan, the river alder that utilizes according to claim 1 is controlled the method that tip bark beetle is cut in Yunnan, the pinus yunnanensis wilting wood of being injured described in it is characterized in that refers to: because suffering Yunnan to cut the gathering of tip bark beetle, take food, lay eggs on pinus yunnanensis branch and trunk, form a large amount of Yunnan and cut worm channel and the congealed fat of tip bark beetle, make the dehydration of pinus yunnanensis tree crown, trees present the pinus yunnanensis of wilted condition.
6. Yunnan, the river alder that utilizes according to claim 1 is controlled the method that tip bark beetle is cut in Yunnan, the dying wood of pinus yunnanensis of being injured described in it is characterized in that refers to: because suffering Yunnan to cut the gathering of tip bark beetle, take food, lay eggs on pinus yunnanensis branch and trunk, form a large amount of Yunnan and cut worm channel and the congealed fat of tip bark beetle, the complete dehydration of pinus yunnanensis tree crown, chlorisis are wilted, the pinus yunnanensis of trees death.
7. Yunnan, the river alder that utilizes according to claim 1 is controlled the method that tip bark beetle is cut in Yunnan, the region that it is characterized in that the alder growth of Yunnan, described suitable river, the region that possesses the physio geographic condition of Yunnan, river alder growth, specifically refer to: 1500～3000 meters of height above sea level, soil thickness are more than 80 cm, moistening, soil is yellow laterite earth, purple soil, the mountain region of laterite earth, col, or small stream limit, limit, river shoal wetland, hillside fields, river bank.
8. Yunnan, the river alder of utilizing according to claim 1 is controlled the method that tip bark beetle is cut in Yunnan, it is characterized in that fostering Yunnan, river alder 4 ~ 5 years, can progressively control until contain that Yunnan cuts the harm of tip bark beetle completely.
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|---|---|---|---|---|
| CN105707060A (en) * | 2016-01-18 | 2016-06-29 | 西南林业大学 | Sustained-release agent and method using Alnus ferdinandi-coburgii secondary metabolite p-phenylethylketone to avoid Pinus yuannanensis pine shoot beetle |
| CN105707060B (en) * | 2016-01-18 | 2018-07-13 | 西南林业大学 | Alnus sp secondary metabolites p -ethylacetophenone is the sustained release agent and method for walking quickly and keeping away pinus yunnanensis bark beetle |
| CN105660263A (en) * | 2016-03-15 | 2016-06-15 | 云南大学 | Method for breeding Thanasi mus formicariusL.indoors and proliferating and releasing Thanasi mus formicariusL.outdoors to prevent and control Tomicus piniperda |
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