CN107046978A - The environmental selection method of dendrobium candidum is planted on a kind of karst stone - Google Patents
The environmental selection method of dendrobium candidum is planted on a kind of karst stone Download PDFInfo
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Abstract
The invention discloses a kind of environmental selection method that dendrobium candidum is planted on karst stone.Guizhou Province Dian Guideng karsts are one of original producton locations of dendrobium candidum, are planted using original producton location natural ecological condition developing ecology dendrobium candidum, can guarantee that the idiomaticity and quality of medicinal material.The present invention solves to utilize field natural environmental condition in karst, by dendrobium candidum plantation to karst stone, how to select suitable environmental condition, avoids unfavorable planting environment.The present invention specify that the condition that the environment of suitable ecosystem plantation dendrobium candidum must is fulfilled for, and unfavorable environment.By the suitable environmental condition plantation survival rate of present invention selection, germination rate more than 80%, unsuitable environmental condition is then unable to normal growth.The present invention is suitable for Guizhou Province Dian Gui karsts, and the similar area of weather conditions.
Description
Technical field
The present invention relates to agricultural technology field, and in particular to dendrobium candidum, preferential species are planted on the stone of karst
Plant environment and be not suitable for the system of selection of planting environment.
Background technology
Dendrobium candidum（DendrobiumofficinaleKimura et Migo）For orchid family Dendrobium Sw, because it is unique
Medical value and health-care efficacy, praised highly by ancient Chinese medicine doctor.《Sheng Nong's herbal classic》Record dendrobium candidum " in main wound, eliminating impediment, under
The thick stomach of the thin thin, Qiang Yin of gas, tonifying five zang organs consumptive disease, long term usage "；《Compendium of Materia Medica》Recording dendrobium candidum, " strong the moon strengthening the essence, thick stomach is mended
It is inside never sufficient, flat stomach gas, long muscle, intelligence development is except frightened, macrobiosis of making light of one's life by commiting suicide ".2015 editions《Chinese Pharmacopoeia》Record dendrobium candidum " beneficial stomach life
Tianjin, nourishing Yin and clearing heat.For pyreticosis Tianjin wound, dry polydipsia, deficiency of stomach-Yin, deficiency of food is retched, and abnormal heat is not moved back after being ill, fire excess from yin deficiency, bone
Labor heat is steamed, mesh is secretly failed to understand, muscles and bones impotence ".Dendrobium candidum has significant strengthen immunity, and effectively regulation function of human body etc. is special
Effect.
The dendrobium candidum industry of China substantially experienced three developing stage：First stage directly utilizes the rank of wild resource
Section.Dendrobium candidum source is completely dependent on gathering wild resource before 1999, is counted according to national 8 province, 16 different places, about
There are number about 1320 people for being engaged in dendrobium officinale collection before 10-20, and be still engaged in the people of the sector at present
Number only has about 152 people or so, reduces nearly 90%.Second stage is the Artificial facilities plantation stage.1999, with Zhejiang dendrobium candidum
Artificial facilities are cultivated successfully to indicate, open the dendrobium candidum Artificial facilities plantation industry development stage.According to statistics, to 2015
Year, national greenhouse gardening area is up to 80,000 mu.Phase III is the ecologic planting stage, as Artificial facilities plantation dendrobium candidum is big
Area develops, and chemical fertilizer, agricultural chemicals are largely used, and product safety and quality problems are gradually protruded.Return original producton location, return ecosystem
Cropping pattern gradually rises in recent years, and obtains accreditation in the industry.Ecologic planting is included in the trunk kind of artificial forest and wildwood
The various modes such as plantation on the limestone surface of plant, the regional Danxia stone wall plantation of "Danxia" landform and karst.Ecologic planting
Although yield of the yield far below greenhouse, less than 1/10th or so of Artificial facilities, its product quality is by consumer
Accreditation, price is more than 10 times of greenhouse.
The karsts such as Southwest Guizhou, the south of Guizhou Province are one of original producton locations of dendrobium candidum.This area is with fresh air, water source
Cleaning, no industrial pollution.Good natural ecological condition developing ecology dendrobium candidum is made full use of to plant, by the kind of artificial culture
Seed is planted on the stone in ecosystem environment, and human intervention is reduced as far as possible, allows it to grow naturally, product quality can reach or
Close to wild standard.
The suitable environmental condition of selection, is that ecologic planting dendrobium candidum is successfully crucial.Therefore, in Xingyi of Guizhou according to not
With environmental condition, the arrangement experiment such as height above sea level, slope aspect, the gradient, canopy density, vegetation characteristics, topography and geomorphology, ventilation condition.
Screening is adapted to the environmental condition of dendrobium candidum ecologic planting.
The content of the invention
The purpose of the present invention be for solve karst utilize field natural environmental condition, by dendrobium candidum plantation arrive
On karst stone, suitable environmental condition how is selected, the method for avoiding unfavorable planting environment.
1st, control environment must simultaneously meet following two conditions：
（1）Well-ventilated, will be clearly felt that wind, there is the ventilation that wind speed is more than 2m/s；
（2）Appropriate illumination, the time that daily solar ray energy shines is more than 6 hours, most suitable closing of standing-crop degree 30-50%.
2nd, one of following condition is not suitable for planting dendrobium candidum：
（1）Hypsography low-lying is moist, ventilation is substantially bad；
（2）The woods are too close, and canopy density are more than 80%, and illumination is bad；
（3）Deep mountain valleys, daily sunlight irradiation time is less than 5 hours；
（4）The place of pocket water can not be planted in impeded drainage, crack of stone；
（5）Rainwater drench less than place can not plant；
（6）The place of rainwater lumped scour can not be planted；
（7）The place for having soil can not be planted.
Brief description of the drawings
Fig. 1 is new to sprout bud survival rate and plant division rate in embodiment 1 18 samples；
Fig. 2 be in embodiment 1 18 samples the average plant height of new germinated plantlet and stem it is thick；
Fig. 3 is new to sprout bud survival rate and plant division rate in embodiment 26 samples；
Fig. 4 be in embodiment 26 samples the average plant height of new germinated plantlet and stem it is thick.
Embodiment
With reference to embodiment, the present invention is described in further detail.
Embodiment 1：
Plantation place, which is located at Leng Dong villages of Xingyi City Ze Rong townshiies, dries and receives group, 1100-1260 meters of height above sea level, is typical karst
Looks, stony desertification is serious, and a large amount of rocks are exposed.The domestication seedling for planting seedlings and being tamed for tissue-cultured seedling through greenhouse and planting a year and a half is planted, per Cong Miao
3-5 plants, the long 5-15cm of plant.In March, 2016 plants, and 4-5 month rainwater is less after plantation, is air-dried, pedestrian is suitably entered daily
Work moisturizing.With temperature after plantation, start to sprout sprouting from plant base portion, normally bloom old plant April.Continue from June 6 strong
Rainfall, until rainwater is just gradually reduced after July, this period is hot and humid, and dampness is constantly on whole mountain.Environment
The a large amount of new sprouting buds in the unsuitable place of condition, which are wilted, to rot.September -13 days on the 8th in 2016, to varying environment condition dendrobium candidum
Growing state be sampled record, statistical analysis.With investigating sample altogether 18, Fig. 1 sprouts bud survival rate and plant division rate, figure to be new
2 be that the average plant height of new germinated plantlet and stem are thick.
The situation to various kinds ground is illustrated below：
Sample 1：Positioned at the foot of the hill, 1100 meters of height above sea level, slope aspect east, canopy density 30-40%, gradient 20-30 degree.After at 16 points in afternoon
Illumination gradually weakens.Sprouting is sprouted after plantation and old bar is bloomed normally, and on June 6th, 2016 starts lasting rainfall, after June 15
Sprouting is wilted.September statistics sprouting survival rate 15.65% on the 8th, plant division rate 33.41%.Survive plant strain growth normal, color is deep
It is green to purplish red, the average plant height 7.54cm, the thick 5.88mm of stem of new germinated plantlet.Survival rate is low to be primarily due to positioned at mountain
Pin, divulges information relatively poor, and plant root is in dampness for a long time, causes the generation of physiological disease, and new sprouting tender shoots is a large amount of
It is dead.
Sample 2：Up 10 meters of mountains, canopy density 20-30%, gradient 20-30 degree positioned at No. 1 sample.September 8 in 2016 count sprouting into
Motility rate 28.16%, plant division rate 28.38%.Survive plant strain growth normal, color is dark green to purplish red, the average plant height of new germinated plantlet
6.71cm, the thick 5.62mm of stem.The low main cause of survival rate and sample it is 1 identical.
Sample 3：Positioned at mountain middle and lower part, 1130 meters of height above sea level, slope aspect east, canopy density 30-40%, gradient 30-40 degree.
The statistics sprouting survival rate 23.97% on the 8th of September in 2016, plant division rate 34.71%.Survive plant strain growth normal, color is dark green to purple
It is red, the average plant height 8.36cm, the thick 5.70mm of stem of new germinated plantlet.No. 3 sample ventilations are better than No. 1, and the low main cause of survival rate is
Due to plantation physical features depression, a large amount of rain drop erosiones when rainy and mistake, rain drop erosion also bring soil to be attached to plant root, plant
Strain root is in dampness for a long time, causes the generation of physiological disease, new to sprout tender shoots mortality.
Sample 4：In the middle part of mountain, 1160 meters of height above sea level, slope aspect east, canopy density 30-40%, gradient 35-45 degree.2016
9, statistics sprouting survival rates 20.21% of on September, plant division rate 58.89%.Survive plant strain growth normal, color is dark green to purplish red, newly
The average plant height 6.49cm, the thick 5.51mm of stem of germinated plantlet.Divulge information No. 4 samples and be better than No. 1-3, the low main cause of survival rate is rain
Season arrived after a period of time, and the water content of massif is in saturation state, after rain stops, and the water in mountain is also in past extravasation, plant root
Dampness is in for a long time, causes the generation of physiological disease, it is new to sprout tender shoots mortality.
Sample 5：Positioned at mountain middle and lower part, 1130 meters of height above sea level, slope aspect east, canopy density 90%, gradient 30-40 degree.After plantation
Sprouting is sprouted and old bar is bloomed normally.The statistics sprouting survival rate 18.81% on the 9th of September in 2016, plant division rate 23.21%.Survive plant
Color is light green, the average plant height 4.72cm, the thick 4.33mm of stem of new germinated plantlet.Because the woods are closeer, canopy density are high, and ventilation is relatively
Difference, there was dampness in the air, new to sprout tender shoots morbidity weight, and survival rate is low.Because illumination is not enough, it is light green to survive plant color, plant height and stem
The thick place sufficient significantly lower than illumination.
Sample 6：Positioned at mountain middle and upper part, 1180 meters of height above sea level, slope aspect east by north, canopy density 70%, gradient 40-50 degree.Kind
Sprouting is sprouted after plant and old bar is bloomed normally.The statistics sprouting survival rate 16.15% on the 9th of September in 2016, plant division rate 62.82%.Survive
Plant strain growth is normal, and color is dark green to purplish red, the average plant height 6.14cm, the thick 5.50mm of stem of new germinated plantlet.The low master of survival rate
It is due to have a small amount of ponding in the crack of stone having to want reason, and rainy season is in pocket water for a long time.
Sample 7：In the middle part of mountain, 1150 meters of height above sea level, slope aspect south, canopy density 50-60%, 70 degree of the gradient.It is new after plantation
Bud is sprouted and old bar is bloomed normally.The statistics sprouting survival rate 17.68% on the 9th of September in 2016, plant division rate 20.72%.Survive plant life
Long normal, color is dark green to purplish red, the average plant height 5.71cm, the thick 5.14mm of stem of new germinated plantlet.The low main cause of survival rate
It is that planting site is a piece of vertical cliff, a large amount of rainwater pour down into waterfall shape, the water content of massif is in after saturation state,
Water in mountain does not stop toward extravasation, and plant root is in dampness, causes newly to sprout tender shoots mortality for a long time.
Sample 8：In the middle part of mountain, 1150 meters of height above sea level, slope aspect south, canopy density 20-30%, gradient 30-40 degree.Plantation
Sprouting is sprouted afterwards and old bar is bloomed normally.The statistics sprouting survival rate 25.92% on the 10th of September in 2016, plant division rate 33.25%.Survive
Plant strain growth is normal, and color is dark green to purplish red, the average plant height 7.81cm, the thick 5.95mm of stem of new germinated plantlet.The low master of survival rate
It is planting site depression to want reason, and local microenvironment improper ventilation is in dampness, causes newly to sprout tender shoots for a long time during rainy season
Mortality.
Sample 9：In the middle part of mountain, 1160 meters of height above sea level, slope aspect east, canopy density 20-30%, gradient 30-40 degree.Plantation
Sprouting is sprouted afterwards and old bar is bloomed normally.The statistics sprouting survival rate 96.53% on the 10th of September in 2016, plant division rate 64.41%.Plant
Growth is normal, and color is dark green to purplish red, the average plant height 8.92cm, the thick 7.68mm of stem of new germinated plantlet.The high main original of survival rate
Because being plantation stone height and more than ground 50cm, rain drop erosion is less than rain one, which is cut off the water, to drain off immediately when raining.Planting site is divulged information
Condition is good, and the wind for having wind speed to be more than 2m/s can be felt at any time.
Sample 10：Up 20 meters positioned at No. 9 samples, 1180 meters of height above sea level, slope aspect east, canopy density 30-40%, gradient 30-
40 degree.Sprouting is sprouted after plantation and old bar is bloomed normally.The statistics sprouting survival rate 89.43% on the 10th of September in 2016, plant division rate
66.58%.Plant strain growth is normal, and color is dark green to purplish red, the average plant height 9.05cm, the thick 6.79mm of stem of new germinated plantlet.Survival rate
High main cause similarly 9.
Sample 11：Positioned at positioned at mountain middle part, 1180 meters of height above sea level, slope aspect south by east, canopy density 30-40%, the gradient 40
Degree.Sprouting is sprouted after plantation and old bar is bloomed normally.September statistics sprouting survival rate 81.14% on the 10th, plant division rate 104.67%.Plant
Strain growth is normal, and color is dark green to purplish red, the average plant height 9.60cm, the thick 6.04mm of stem of new germinated plantlet.High main of survival rate
Reason similarly 9.
Sample 12：Positioned at positioned at mountain middle part, 1160 meters of height above sea level, slope aspect south by east, canopy density 50%, gradient 40-50
Degree.Sprouting is sprouted after plantation and old bar is bloomed normally.September statistics sprouting survival rate 91.87% on the 12nd, plant division rate 91.38%.Plant
Growth is normal, and color is dark green to purplish red, the average plant height 9.15cm, the thick 6.40mm of stem of new germinated plantlet.The high main original of survival rate
Because of similarly 9.
Sample 13：In the middle part of mountain, 1160 meters of height above sea level, slope aspect south, canopy density 90%, 40 degree of the gradient.Sprouting after plantation
Sprout and old bar is bloomed normally.The statistics sprouting survival rate 14.92% on the 12nd of September in 2016, plant division rate 12.39%.Survive plant face
Color is light green, the average plant height 4.63cm, the thick 4.66mm of stem of new germinated plantlet.Because the woods are closeer, canopy density are high, and ventilation is relatively
Difference, there was dampness in the air, new to sprout tender shoots morbidity weight, and survival rate is low.Because illumination is not enough, it is light green to survive plant color, plant height and stem
The thick place sufficient significantly lower than illumination.
Sample 14：In the middle part of mountain, 1160 meters of height above sea level, slope aspect south, canopy density 30-40%, 40 degree of the gradient.After plantation
Sprouting is sprouted and old bar is bloomed normally.September statistics sprouting survival rate 91.51% on the 12nd, plant division rate 119.48%.Plant strain growth is just
Often, color is dark green to purplish red, the average plant height 5.84cm, the thick 6.79mm of stem of new germinated plantlet.The high main cause of survival rate is to plant
High-land is planted, rain drop erosion is less than rain one, which is cut off the water, to drain off immediately.Ventilation condition is good, can feel have wind speed to be more than 2m/s at any time
Wind.Illumination is sufficient.
Sample 15：In the middle part of mountain, 1170 meters of height above sea level, slope aspect south by west, canopy density 30-40%, 40 degree of the gradient.Kind
Sprouting is sprouted after plant and old bar is bloomed normally.September statistics sprouting survival rate 84.66% on the 13rd, plant division rate 67.04%.Plant strain growth
Normally, color is dark green to purplish red, the average plant height 8.10cm, the thick 6.01mm of stem of new germinated plantlet.The high main cause of survival rate is same
Sample 14.
Sample 16：In the middle part of mountain, 1160 meters of height above sea level, slope aspect south, canopy density 10-20%, 40 degree of the gradient.Plant in
Sprouting is sprouted after stone fa sigmaade, plantation and old bar is bloomed normally.September statistics sprouting survival rate 94.37% on the 13rd, plant division rate
56.83%.Plant strain growth is normal, and color is dark green to purplish red, the average plant height 8.61cm, the thick 6.10mm of stem of new germinated plantlet.Survival rate
High main cause similarly 14.
Sample 17：In the middle part of mountain, 1160 meters of height above sea level, slope aspect south, canopy density 10-20%, 40 degree of the gradient.Plant in
Stone side, plantation point is towards east, and sprouting is sprouted after plantation and old bar is bloomed normally.September statistics sprouting survival rate 87.56% on the 13rd,
Plant division rate 55.59%.Plant strain growth is normal, and color is dark green to purplish red, the average plant height 7.68cm, the thick 5.66mm of stem of new germinated plantlet.
The high main cause of survival rate similarly 14.
Sample 18：In the middle part of mountain, 1160 meters of height above sea level, slope aspect south, canopy density 10-20%, 40 degree of the gradient.Plant in
Stone side, plantation point is towards west, and sprouting is sprouted after plantation and old bar is bloomed normally.September statistics sprouting survival rate 80.30% on the 13rd,
Plant division rate 55.52%.Plant strain growth is normal, and color is dark green to purplish red, the average plant height 7.56cm, the thick 6.12mm of stem of new germinated plantlet.
The high main cause of survival rate similarly 14.
Embodiment 2：
Plantation place is located at Xingyi City, and then army chief of township rushes the eastern peak forest in village.890-950 meters of height above sea level, typical karst peak cluster peak
Woods trough valley landforms, mountain peak is precipitous.Due to closer to the distance between two mountains, most of place can only be after at 10 points in the morning and afternoon 2
Before point sunnily.Plant biennial dendrobium candidum domestication seedling, every clump 3-5 plants, plant height 10-15cm in March, 2015.After plantation
Sprout normal, 4-5 month maternal plants normally bloom, after rainy season in June, the new a large amount of withered deaths of germinated plantlet.September 20 days, to difference
Carry out statistical analysis sample（See Fig. 3 and Fig. 4）, below the situation to various kinds ground be described further：
Sample 1：Positioned at the lowest point, 890 meters of height above sea level, slope aspect is west by north, canopy density 10%, 30 degree of the gradient.At 11 points at noon could shine
To the sun.Sprouting is sprouted after plantation and old bar is bloomed normally, and June entered after rainy season, and sprouting is wilted.September statistics on the 20th is new
Bud survival rate 10.12%, plant division rate 30.42%.The new average plant height 8.10cm, the thick 4.25mm of stem of germinated plantlet.The low master of survival rate
It is due to, positioned at the lowest point, to divulge information poor to want reason, and hot and humid into rainy season, plant root is in dampness for a long time, makes
It is new to sprout tender shoots mortality into the generation of physiological disease.Because illumination is not enough, it is light green to survive plant color, very thin.
Sample 2：Positioned at the lowest point, 890 meters of height above sea level, slope aspect east, canopy density 30%, gradient 40-50 degree.At 10 points in the morning is extremely
At 3 points in afternoon can shine the sun.Sprouting is sprouted after plantation and old bar is bloomed normally, and June entered after rainy season, and sprouting is wilted.9
The moon 20 counted sprouting survival rate 30.15%, plant division rate 28.38%.The new average plant height 6.78cm, the thick 4.19mm of stem of germinated plantlet.
Survive plant color light green, it is very thin.The low main cause of survival rate similarly 1.
Sample 3：Positioned at the lowest point, 890 meters of height above sea level, slope aspect west, canopy density 60%, gradient 40-50 degree.At 11 points in the morning is extremely
At 4 points in afternoon can shine the sun.Sprouting is sprouted after plantation and old bar is bloomed normally, and June entered after rainy season, and sprouting is wilted.9
The moon 21 counted sprouting survival rate 26.77%, plant division rate 34.71%.The new average plant height 6.76cm, the thick 4.13mm of stem of germinated plantlet.
Survive plant color light green, it is very thin.The low main cause of survival rate similarly 1.
Sample 4：Positioned at the lowest point, 900 meters of height above sea level, slope aspect northeast, canopy density 90%, 40 degree of the gradient.Sprouting sprouts after plantation
Hair and old bar are bloomed normally, and June entered after rainy season, and sprouting is wilted.September statistics sprouting survival rate 20.26% on the 21st, plant division
Rate 58.89%.The new average plant height 5.58cm, the thick 4.70mm of stem of germinated plantlet.Survive plant color light green, it is very thin.Survival rate is low
Main cause similarly 1.
Sample 5：Positioned at mountain valley bifurcation mouthfuls down 10 meters, 920 meters of height above sea level, slope aspect northeast, canopy density 90%, 30 degree of the gradient.
Sprouting is sprouted after plantation and old bar is bloomed normally, and June entered after rainy season, and sprouting is wilted.September statistics sprouting on the 21st survives
Rate 20.26%, plant division rate 58.89%.The new average plant height 5.58cm, the thick 4.70mm of stem of germinated plantlet.Survive plant color light green, it is fine
Carefully.The low main cause of survival rate similarly 1.
Sample 6：At mountain valley bifurcation mouthful, 930 meters of height above sea level, canopy density 80%, 30 degree of the gradient.Sprouting sprouts after plantation
Bloomed the statistics sprouting of normal September 22 days survival rate 61.24%, plant division rate 62.86% with old bar.The new average plant height of germinated plantlet
7.20cm, the thick 4.93mm of stem.Survive plant color light green, it is very thin.Because at mountain valley bifurcation mouthful, ventilation condition preferably, is survived
Rate is higher than other samples, but illumination is not enough, the long potential difference of plant.
Embodiment 3：
In April, 2016, embodiment 2 eastern peak forest base 1-6 samples again plantation dendrobium candidum domestication seedling.Change plantation side
Formula, carry out disinfection processing before plantation to domestication seedling.After rainy season in June, 2016, start mortality occur July.Pass through 2 years
Repetition experiment prove, it is low-lying it is moist, draw badly, the place that the woods are too close, deep mountain valleys, illumination are bad is not suitable for iron sheet stone
Dry measure used in former times ecologic planting.
Embodiment 4：
Plantation place is located at Xingyi City, and then army chief of township rushes the eastern peak forest in village, apart from about 200 meters of embodiment 2.900 meters of height above sea level, allusion quotation
The karst landform of type.Physical features is openr, slope aspect west, canopy density 50%.Light application time is more than 6 hours.In March, 2016 plants two
Year, raw dendrobium candidum tamed seedling, every clump 3-5 plants, plant height 10-15cm.Grown after plantation normal.September is counted on the 20th within 2016, newly
Bud survival rate 90.50%, plant division rate 86.37%.The new average plant height 9.50cm, the thick 6.33mm of stem of germinated plantlet.Survival rate is high main
Reason is that ventilation condition is good, and illumination is sufficient.
Embodiment 5：
Plantation place is located at Xingyi City, and then army chief of township rushes the eastern peak forest in village, apart from about 30 meters of embodiment 4,900 meters of height above sea level, slope aspect
West, canopy density 50%, plantation cliff slopes inwardly.Due to drenching less than rainwater, dendrobium candidum is in drying regime, although iron sheet stone
Dry measure used in former times has extremely strong drought-resistant ability, can also be survived by the moisture in absorption air, and growth is in abnormal state, newly
Sprout bud and be highly less than 3cm, and gradually dry up.Ecosystem plantation dendrobium candidum to avoid rainwater drench less than place.
Embodiment 6：
Plant place and be located at the dry Ga Yakou in Gan Ga villages of Xingyi City Ze Rong townshiies.1000-1050 meters of height above sea level, slope aspect north by east, slope
Spend 55-60 degree, canopy density 40-60%.Typical karst landform, the foot of the hill is because opening up wasteland kind of a ground, serious stony desertification.Through life for many years
State is built, and mountain middle and upper part point revegetation is preferable.Plant place to be located in the middle part of mountain, plantation on April 15th, 2014, kind is planted seedlings through big
Canopy is tamed 6 months, every clump 3-5 plants, the average stem length 4.04cm, the thick 3.62mm of stem, the long 5.64cm of root of seedling.It is new to sprout during plantation
Sprouting growth production after bud, plantation, maternal plant has part normally to bloom.On October 21st, 2014 counts, sprouting survival rate 91.5%,
Average mark strain rate 112.5%, average stem length 9.9cm, the thick 5.49mm of stem.Growth of Dendrobium candidum is normal within 2015, average every 1 young plant
Sprout more than 1 plant.On October 21st, 2015, sprouting sprout growth situation in 2015 is counted again, average mark strain rate
105.6%, average stem length 10.9cm, the thick 5.46mm of stem.Growth is normal, and the high main cause of germination rate is that plantation place is located at mountain
Middle part, divulges information, and illumination is moderate.
By planting experiment for many years, dendrobium candidum energy normal growth is planted under suitable environmental condition, is being not suitable for
Environment in undergrowth it is even dead.The suitable environmental condition of selection is the key for developing dendrobium candidum ecologic planting.
Above example select the representational environment of Xingyi of Guizhou karst mountain area, height above sea level from 890-1260 meters,
Represent the environmental conditions such as different slope aspects, the gradient.To Guizhou Province Dian Gui karsts, and the close area of climatic environment condition is
It is practical.
Claims (2)
1. the environmental selection method of dendrobium candidum is planted on a kind of karst stone, it is characterised in that with specify that karst
Dendrobium candidum, control environment condition and the system of selection for being not suitable for environmental condition are planted on stone by area, and control environment must be same
When meet following two conditions：
（1）Well-ventilated, will be clearly felt that wind, there is the ventilation that wind speed is more than 2m/s；
（2）Appropriate illumination, the time of daily solar ray energy irradiation is more than 6 hours, most suitable closing of standing-crop degree 30-50%.
2. the meaning of claims 1 is not suitable for environmental condition, there is one of following condition to be not suitable for planting dendrobium candidum：
（1）Hypsography low-lying is moist, ventilation is substantially bad；
（2）The woods are too close, and canopy density are more than 80%, and illumination is bad；
（3）Deep mountain valleys, daily sunlight irradiation is less than 5 hours；
（4）Impeded drainage, the place of ponding can not be planted；
（5）Rainwater drench less than place can not plant；
（6）The place of rainwater lumped scour can not be planted；
（7）The place for having soil can not be planted.
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| CN201710123252.7A Pending CN107046978A (en) | 2017-03-03 | 2017-03-03 | The environmental selection method of dendrobium candidum is planted on a kind of karst stone |
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| CN101548621A (en) * | 2009-05-08 | 2009-10-07 | 贵州碧泰环境生态科技有限公司 | A karst region rapid plant recovering method |
| CN103993608A (en) * | 2014-05-31 | 2014-08-20 | 贵州科农生态环保科技有限责任公司 | Protection method for slopes in karst regions and structure thereof |
| CN104303799A (en) * | 2014-10-31 | 2015-01-28 | 贵州师范大学 | Karst slope hedgerow planting method |
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| CN101548621A (en) * | 2009-05-08 | 2009-10-07 | 贵州碧泰环境生态科技有限公司 | A karst region rapid plant recovering method |
| CN103993608A (en) * | 2014-05-31 | 2014-08-20 | 贵州科农生态环保科技有限责任公司 | Protection method for slopes in karst regions and structure thereof |
| CN104303799A (en) * | 2014-10-31 | 2015-01-28 | 贵州师范大学 | Karst slope hedgerow planting method |
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