A kind of Dendrobium Chrysotoxum Lindl culture substrate and preparation method
Technical field
The present invention relates to a kind of Dendrobium Chrysotoxum Lindl culture substrate and preparation methods, belong to plantation nursery field.
Background technology
Dendrobium Chrysotoxum Lindl (scientific name:Dendrobium chrysotoxum Lindl.), the perennial draft of growing nonparasitically upon another plant of orchid family Dendrobium
Plant.Its Optimal growth for 520-1620 meters of height above sea level, in sun-drenched evergreen broadleaf forest on trunk or under sparse woods on rock.
China's such as south of Yunnan is distributed in western stone screen, Jing Gu, Simao, Menla, Jinghong, honest and just horse, Zhenkang, Cang Yuan and India east
The north, Burma, Thailand, Laos, Vietnam.
Dendrobium Chrysotoxum Lindl has its unique medical value, its Chinese medicine is in 1-3 centimetres of slubbing capitate mid diameter, has 3-7
Section, surface is smooth, golden yellow, there is the rib of apparent protrusion.Light and crisp, section is spongy.Gas is micro-, lightly seasoned, and that chews has stickiness.
Its stem can nourishing Yin and promoting production of body fluid, quench the thirst, moistening lung.For consumption of body fluid caused by febrile disease, dry polydipsia, abnormal heat after being ill.Dendrobium Chrysotoxum Lindl peanut is in stem
Top.There is leaf at florescence, and raceme basidixed is slightly bent sagging, spends more than 10 above, yellow spends very eye-catching, Hua Jing 4.5cm
Left and right, lip yellow, subcircular have red streak above, are about 2cm, width 2.3cm, top nick, and edge has tasselled, on
Gather pubescence in face, very beautiful.Dendrobium Chrysotoxum Lindl flower belong to beauty, enrich blood, calm the nerves, Xie Yu, improving eyesight, anticancer, lower hyperlipidemia, hypertension, hyperglycemia treasure.
Florescence is in the 3-5 months, the fruiting period 9-11 months.
What is circulated currently on the market is all wild Dendrobium Chrysotoxum Lindl, has most of farmer to be planted with wild Dendrobium Chrysotoxum Lindl, but
It is that the Dendrobium Chrysotoxum Lindl growing way that planting occurs in planting matrix problem of materials is poor, 2 years seemingly-dead phenomenons of major part appearance later, it should
Resource is expanded by artificial introduction and acclimatization and propagation method.
Invention content
For overcome the deficiencies in the prior art, of the invention first is designed to provide one kind and overcomes drum in planting process
Mallet stem of noble dendrobium growing way is bad or the Dendrobium Chrysotoxum Lindl culture substrate of torpor.
Second object of the present invention is to provide for the preparation method of this kind of Dendrobium Chrysotoxum Lindl culture substrate.
One of achieving the object of the present invention can be reached by adopting the following technical scheme that:
A kind of Dendrobium Chrysotoxum Lindl culture substrate, by the common brick grain of 30-70% volume ratios and the pine bark of surplus, the common brick
The particle size range of grain is 8-15cm, and the particle size range of the pine bark is 8-10cm.
Two achieved the object of the present invention can be reached by adopting the following technical scheme that:
A kind of method for preparing above-mentioned Dendrobium Chrysotoxum Lindl culture substrate, includes the following steps:
1) common brick grain and pine bark are taken respectively, are respectively placed in swelling in disinfectant solution;
2) it by the material filtering of step 1), adds in insecticide solution and impregnates;
3) quick lime is added in into the material that step 2) obtains and carries out heap fermentation 15-30 days;
4) material obtained to step 3) adds in composite fertilizer and carries out heap fermentation 15-30 days, by common brick grain and pine bark
It mixes in proportion, obtains Dendrobium Chrysotoxum Lindl culture substrate.
Further, in step 1), the disinfectant in disinfectant solution is carbendazim, Bravo, Mancozeb and chlorine are mould
One or more of element.
Further, in step 1), a concentration of 3-5wt% of the disinfectant for carbendazim and chloramphenicol, wherein carbendazim, institute
State a concentration of 0.2-0.5% of chloramphenicol.
Further, in step 1), the swelling time is 12-64h.
Further, in step 2), the insecticide for one or both of insecticide " Meichongling ", phoxim and flolimat with
On.
Further, in step 2), the insecticide solution include phoxim and flolimat, phoxim it is a concentration of
0.2-0.5wt%, a concentration of 0.1-0.2wt% of the flolimat.
Further, the vinegar containing 1-5vt% in the insecticide solution.
Further, in step 3), the addition of quick lime is 0.2-0.5vt%.
Further, in step 4), N in composite fertilizer:P:The weight ratio of K is (4-6):(0.5-0.8):1, composite fertilizer adds
Enter amount for 0.1-1vt%.
Compared with prior art, the beneficial effects of the present invention are:
Dendrobium Chrysotoxum Lindl culture substrate provided by the invention is the plant feature according to Dendrobium Chrysotoxum Lindl, i.e. Dendrobium Chrysotoxum Lindl ground
Part is heavier, all belongs to aerial root, selects the pine tree tree that the preferable common brick grain cooperation of load-bearing capacity is ventilative, moisturizing and function of fertilizer retention are good
Skin-deep compounding forms culture substrate.Common brick grain and pine bark are according to above-mentioned grain size and the volume ratio relationship, obtained matrix,
Gas permeability is good.
Specific embodiment
In the following, with reference to specific embodiment, the present invention is described further:
The present invention provides a kind of Dendrobium Chrysotoxum Lindl culture substrate, by the common brick grain of 30-70% volume ratios and the pine tree tree of surplus
Skin, the particle size range of the common brick grain is 8-15cm, and the particle size range of the pine bark is 8-10cm.
The Dendrobium Chrysotoxum Lindl culture substrate be according to Dendrobium Chrysotoxum Lindl aerial part is heavier, growth of its root need gas permeability compared with
Growth characteristic in good environment has selected the common brick grain of appropriate particle size as supportive body and the pine tree tree of appropriate particle size
Skin is as retain water and nutrients main body, water conservation, fertilizer conservation, moisturizing good Dendrobium Chrysotoxum Lindl culture substrate best to obtain a kind of gas permeability.
Embodiment 1-10 as described in following table ingredient, the matrix that mixes of ratio, wherein, the particle size range of common brick grain is 8-
15cm, pine bark particle size range be 8-10cm, the width range of sawdust is 5-15mm, the length range of shredded coconut meat is 15-
25mm。
The matrix of embodiment 1 is sawdust;The matrix of embodiment 2 is pine bark;The matrix of embodiment 3 is common brick grain;It is real
The matrix for applying example 4 is shredded coconut meat;The matrix of embodiment 5 is 50vt% shredded coconut meat+50vt% pine barks;The matrix of embodiment 6 is
30vt% shredded coconut meat+70vt% pine barks;The matrix of embodiment 7 is 70vt% shredded coconut meat+30vt% pine barks;Embodiment 8
Matrix is 50vt% common brick grain+50vt% pine barks;The matrix of embodiment 9 is 30vt% common brick grain+70vt% pine barks;
The matrix of embodiment 10 is 70vt% common brick grain+30vt% pine barks.
The preparation method of the matrix of embodiment 1-10 is as follows:
1) matrix is placed in disinfectant solution swelling for 24 hours;The disinfectant is the mixed solution of carbendazim and chloramphenicol,
A concentration of 4wt% of middle carbendazim, a concentration of the 0.3% of the chloramphenicol;It is susceptible that the disinfectant can prevent most of stem of noble dendrobium
Disease;
2) it by the material filtering of step 1), adds in insecticide solution and impregnates;The insecticide solution is found pleasure in for phoxim and oxidation
The mixed solution of fruit, a concentration of 0.4wt% of phoxim, a concentration of 0.15wt% of flolimat, and the food containing 1-5vt%
Use vinegar;In the step, by two kinds of insecticides, stem of noble dendrobium common pests can be effectively prevented;
3) 0.4vt% quick limes are added in into the material that step 2) obtains and carries out heap fermentation 23 days;
4) composite fertilizer of material addition 0.5vt% obtained to step 3) carries out heap fermentation 23 days, obtains Dendrobium Chrysotoxum Lindl
Culture substrate;N in composite fertilizer:P:The weight ratio of K is 5:0.6:1.
Performance detection and effect assessment
The matrix that embodiment 1-10 is obtained equably is layered on the matrix handled well on forcing frame, and thickness is in 10-
15cm;The wild Dendrobium Chrysotoxum Lindl seedling handled well by distance between rows and hills is planted, in plantation, is as possible placed on stem of noble dendrobium root system
Pine bark surface fixes Dendrobium Chrysotoxum Lindl seedling with common brick grain, and fixed handy a small amount of pine bark is sprinkling upon in hole, is trained
It supports.
1. the measure of Major Nutrient
Plant is stored or respiration by metabolic process synthesis of organic substance, the accumulation of nutriment in plant
Ingredient reflects equilibrium and the growth and development state of the spontaneous nutritional ingredient of plant.After culture 30 days, rounding plant is beaten
It is broken, the content of N P and K is measured, the results are shown in table below:
Number |
N |
P |
K |
Embodiment 1 |
4.88 |
0.51 |
0.064 |
Embodiment 2 |
4.75 |
0.57 |
1.241 |
Embodiment 3 |
5.64 |
0.67 |
0.873 |
Embodiment 4 |
10.15 |
0.78 |
0.897 |
Embodiment 5 |
4.37 |
0.76 |
1.315 |
Embodiment 6 |
5.78 |
0.53 |
0.892 |
Embodiment 7 |
5.64 |
0.64 |
0.907 |
Embodiment 8 |
7.97 |
0.61 |
0.868 |
Embodiment 9 |
6.75 |
0.55 |
0.957 |
Embodiment 10 |
4.44 |
0.53 |
1.143 |
As seen from the above table, the plant of embodiment 8-10 cultures, n-p-k ratio are more moderate.
2. Shape Indexes are evaluated
The relative growth yield of Dendrobium Chrysotoxum Lindl from the 7-9 months are almost one times of 5-7 month relative growth yields, illustrate Dendrobium Chrysotoxum Lindl
Growing way is not much different in different Growing seasons, is showed in embodiment 8-10 matrix good.The relative growth yield of Dendrobium Chrysotoxum Lindl
The highest in embodiment 8-10, it is worst in embodiment 1, differ maximum up to 2.5 times, Dendrobium Chrysotoxum Lindl in composite interstitial substance than
Performance will be got well in single-matrix, wherein common brick grain:The combination of pine bark performs better than, and behaves oneself best.
3. determination of physical appearance
Solid matrix not only plays plant fixed function, but also can provide nutrients needed for growth and development to plant
Matter.The hole of matrix and size void ratio, water absorption.The main acid-base property of chemical property, cation exchange capacity (CEC).
As seen from the above table, relative to single matrix, Dendrobium Chrysotoxum Lindl culture substrate provided by the invention has convenient pH value
With preferable porosity.
For those skilled in the art, technical solution that can be as described above and design are made other each
Kind is corresponding to be changed and deforms, and all these change and deform the protection model that should all belong to the claims in the present invention
Within enclosing.