CN103430821A - Novel Dendrobium candidum seedling raising method - Google Patents

Abstract

The invention relates to a novel Dendrobium candidum seedling raising method and belongs to the technical field of plant cultivation. The novel Dendrobium candidum seedling raising method includes the following steps that a 2.4*8.4 pool which is 20.16m<2> is built with cement bricks, the bottom of the pool is filled to be flat, fine sand with the thickness of 2cm is laid on the bottom of the pool and a plastic film is laid. A tool is a 46*30*6cm polyvinyl chloride foam seedling raising floating plate with 162 holes; 6kg of compound fertilizers special for tobacco with the mass percent of 0.1% is weighed, put into 12kg of tap water for being soaked for 24 hours and fully stirred and dissolves to make female liquid; tap water is used for diluting the female liquid to form a culture solution with the volume percent of 0.1% and the culture solution is poured into the culture pool; cedar saw dust is filled into the floating plate and second-level seedlings which are cleaned with clean water and dried are planted into a culture plate, two to three seedlings are planted into each hole, a base material is filled and packed tightly and then the seedling raising floating plate is put into the pool for culture; 3kg to 5 kg of water is added into the pool according to the weather conditions every two weeks and the concentration of the culture solution in the culture pool is kept to be the volume percent of 0.1%; after 20 days since transplantation, the floating plate is raised and dried for two days. The novel Dendrobium candidum seedling raising method has the advantages of being easy to operate, low in cost, high in benefit, low in risk, easy to popularize and high in economic benefit.

Description

The new method that a kind of dendrobium candidum is grown seedlings

Technical field:

The present invention relates to the new method that a kind of dendrobium candidum is grown seedlings, platymiscium culture technique field.

Background technology:

Dendrobium candidum (Dendrobium officinale Kimura et Migo) is the orchid family Dendrobium herbaceos perennial, it is the superfine product in the stem of noble dendrobium, have another name called ribbed hedyotis herb, there is unique medical value, have significantly and promote the production of body fluid, quench the thirst, ease pain, eliminate oedema, anti-ageing and strengthen the effect of body immunity, cure mainly the pyreticosis deficiency of Yin, the diseases such as order is dark, stomach is weak, hoarseness, cardiovascular and cerebrovascular disease, tumour, diabetes, acute and chronic pharyngitis, immunologic hypofunction, burnout syndrome, among the people being commonly called as " the celestial grass of help ", be listed in first of " nine immortal grass ".Along with improving constantly of China's expanding economy and people's living standard, the demand of dendrobium candidum also increases day by day, and economic worth is more and more higher, and what bring is the further expansion of dendrobium candidum artificial planting scale and area.

Yunnan Province is the zone of the suitable planting stem of noble dendrobium comparatively, and planting range is wide, and area is large, and seedling is the important foundation of dendrobium candidum industry development.Demand increase due to the dendrobium candidum product, driven developing rapidly of plant husbandry, also greatly pulled seedling market.But, because the Seeds of Dendrobium Candidum germination rate is low, the natural propagation difficulty is large, the transplanting method that artificial planting has adopted tissue-culturing rapid propagation to grow seedlings, need new tissue-culturing rapid propagation seedling-cultivating method to reduce the seedling cost, shortens seedling raise period, improves survival rate and breeding efficiency.

Therefore, the present invention is directed to the biological habit of dendrobium candidum, in conjunction with the modern agricultural technology theory, the problem such as long for the dendrobium candidum growing-seedling period, that efficiency is low, planting cost has high input, take effective measures, shortened the growing-seedling period of dendrobium candidum, improved breeding efficiency.This not only is conducive to solve, and current dendrobium candidum growing-seedling period is long, inefficient problem, and growing seedlings of other similar medicinal plants also had to good reference function.

By literature search, have no the open report identical with the present invention.

Summary of the invention:

The new method that the object of the present invention is to provide a kind of growing-seedling period is short, breeding efficiency is high dendrobium candidum to grow seedlings.

The present invention is according to biological habit and the modern agriculture science and technology of dendrobium candidum, utilize nutrient solution be continuously dendrobium candidum provide seedling stage nutrient, improve growth rate, shorten growing-seedling period, effectively solve the dendrobium candidum growing-seedling period long, the problem that benefit is low.

Purpose of the present invention is achieved by following technical proposals:

A. equipment, material are prepared: in seedling raising greenhouse, with cement brick, build 2.4 * 8.4=20.16m ²，Chi Di Zhenping, pond, lay the thick fine sand of 2cm, repave plastic foil; The polyvinyl chloride foam that apparatus is 46 * 30 * 6cm, 162 caves is grown seedlings and is floated dish;

B. culture fluid preparation: take 6 kilograms of the tobacco composite fertilizer specials of mass percent 0.1%, put into 12 kilograms of running water and soak 24 hours, stir fully and dissolve, be made into mother liquor; Be the culture fluid of percent by volume 0.1% with the running water dilution again, pour in culture pond;

3. plant: float dish and fill the Chinese fir sawdust, then select clear water to clean and the secondary seedling that dries is planted in culture plate, every cave plants the 2-3 seedling, and matrix is loaded compacting, then will grow seedlings to float to coil and put into pond and cultivate;

4. seedling management: added the water of 3-5 kilogram in pond according to weather conditions every 2 weeks, keeping the concentration of culture fluid in culture pond is that percent by volume is 0.1%; Transplant after 20 days, lift to float to coil and dry in the air 2 days.

The invention has the advantages that:

1, the present invention has simple to operately, and cost is low, high efficiency, and risk is little, is easy to promote the advantage that economic benefit is high.

2, compare with traditional seedling-cultivating method, growing-seedling period has been shortened to 30 days, survival rate has improved 24%; for improving the manual scale planting benefit of dendrobium candidum; strengthen the product competitiveness of dendrobium candidum, have laid a good foundation, there are good economic benefit, social benefit and ecological benefits.

Embodiment:

Embodiment mono-:

This example is implemented in Honghe Prefecture Ping Bian county.Selected the place of 1240 meters of height above sea level to implement, seedling is selected dendrobium candidum new varieties " red prosperous No. 1 " the group training seedling of the prosperous growing dendrobium of Red River group Co., Ltd seed selection.Test selected experimental field climatic environment warm and moist, away from city and industrial pollution, atmosphere, water and soil all reach national grade ii standard.Booth is for manually building simple plastic greenhouse.2 kinds of seedling raising mannerses have been selected.Before planting and floating dish, randomly draw 10 young plants, investigation plant height, stem are thick, radical, the number of sheets, fresh weight.Then growing period was determined the above data of strain 10 strain surveying record (altogether recording 6 times) every 10 days.To seedlings of Dendrobium officinale, growth is dynamically analyzed relatively.

Method one: adopt traditional seedling raising manners, build the high-trellis cultivation seedbed in the canopy that degree of shading is 70%, can easily control moisture, and ventilative.The materials such as available angle steel, batten are as the framework in seedbed, and seedbed length is determined according to landform, wide 1.2 m, overhead height ± 40 cm.Is furnished with passage between bed and bed, so that the cultivation operation.If take full advantage of the booth space, the cultivation bed adopts a hand movable seedbed, stays like this passage, has both increased area under cultivation, also meets the requirement of operation.The general steel wire that adopts in cultivation bed bottom is laid, and in order to make matrix, between space, does not spill, and lays one deck 40 purpose fly nets on steel wire.Then, ready matrix is fallen in the cultivation bed above, thickness is 7-15cm.Candidum tissue culturing seedling is planted on seedbed by 5 * 5cm seeding row spacing.Carry out water and fertilizer management by conventional method, regularly water according to the moisture situation of medium of seedling bed, impose commercially available 0.1% tobacco composite fertilizer special or 40-60 times of natural pond liquid after planting 7 days.

Method two: adopt seedling raising manners of the present invention (as summary of the invention is partly described): in seedling raising greenhouse, with cement brick, build 2.4 * 8.4=20.16m ²，Chi Di Zhenping, pond, lay the thick fine sand of 2cm, repave plastic foil.Adopt commercially available 0.1% tobacco composite fertilizer special preparation culture fluid, pour in culture pond, polyvinyl chloride foam is grown seedlings and is floated dish (162 caves, 46 * 30 * 6cm) fill the Chinese fir sawdust, then select clear water to clean and the secondary seedling that dries is planted in culture plate, every cave plants the 2-3 seedling, and matrix is loaded compacting.Then will grow seedlings and float the pond that dish puts into the culture fluid that fills percent by volume 0.1% and cultivate, and will add the water of 3-5 kilogram every 2 weeks according to weather conditions in pond, in the maintenance culture pond, the concentration of culture fluid is that percent by volume is 0.1%; Transplant after 20 days, lift to float to coil and dry in the air 2 days.

Conventional method and method comparative result of the present invention are as follows:

Table one: different seedling raising manners survival rates and growing-seedling period are relatively

Seedling raising manners	Survival rate	Growing-seedling period
			The tradition seedling raising manners	92%	90 days
The new invention seedling raising manners	68%	60 days

Show from table one, compare with traditional seedling-cultivating method, seedling-cultivating method survival rate of the present invention improves 24%, and growing-seedling period shortens 30 days, and improving, the aspect effects such as survival rate and shortening growing-seedling period are very obvious.

Table two: Different Ways of Planting economical character difference

From table two, find out, seedling-cultivating method of the present invention is compared with traditional seedling-cultivating method, and every economical character difference is obvious.

Claims (1)

1. a dendrobium candidum new method for raising seedling is characterised in that the concrete steps of the method are as follows:

A. equipment, material are prepared: in seedling raising greenhouse, with cement brick, build 2.4 * 8.4=20.16m ²，Chi Di Zhenping, pond, lay the thick fine sand of 2cm, repave plastic foil; The polyvinyl chloride foam that apparatus is 46 * 30 * 6cm, 162 caves is grown seedlings and is floated dish;

B. culture fluid preparation: take 6 kilograms of the tobacco composite fertilizer specials of mass percent 0.1%, put into 12 kilograms of running water and soak 24 hours, stir fully and dissolve, be made into mother liquor; Be the culture fluid of percent by volume 0.1% with the running water dilution again, pour in culture pond;

3. plant: float dish and fill the Chinese fir sawdust, then select clear water to clean and the secondary seedling that dries is planted in culture plate, every cave plants the 2-3 seedling, and matrix is loaded compacting, then will grow seedlings to float to coil and put into pond and cultivate;

4. seedling management: added the water of 3-5 kilogram in pond according to weather conditions every 2 weeks, keeping the concentration of culture fluid in culture pond is that percent by volume is 0.1%; Transplant after 20 days, lift to float to coil and dry in the air 2 days.