CN103283433B - Propagation method for dendrobium candidum seeds - Google Patents
Propagation method for dendrobium candidum seeds Download PDFInfo
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- CN103283433B CN103283433B CN201310115818.3A CN201310115818A CN103283433B CN 103283433 B CN103283433 B CN 103283433B CN 201310115818 A CN201310115818 A CN 201310115818A CN 103283433 B CN103283433 B CN 103283433B
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Abstract
The invention discloses a propagation method of dendrobium candidum seeds. The method comprises the following steps: in winter, firstly mature dendrobium candidum seeds are harvested and dried so as to be subjected to safe hibernation; a shade net covers a sowing greenhouse, so that the sowed seeds are free from the influence of rain wash and wind, and normal air circulation can be kept; the disinfection and germicidal treatment is performed to sawdust and peanut shells as the cultivation base; after cold weather of the spring is over, the seeds are sowed in a sowing bed; 85-90 percent of humidity of the sawdust is kept; and after a large proportion of sowed seeds are germinated, the temperature is strictly controlled not to exceed 35 DEG C, and meanwhile organic fertilizer is applied. The method can improve germination percentage of dendrobium candidum breeding and planting livability of transplanting; through adopting the method, the lowest germination percentage of the dendrobium candidum seeds is about 40 percent, and the highest germination percentage is about 60 percent, and the average germination percentage is about 45 percent; and transplanting livability reaches over 98 percent. The method of the invention is simple in operation, is low in cost, and is environment-friendly.
Description
Technical field
The present invention relates to a kind of seed propagation method, be specifically related to a kind of propagation method of Seeds of Dendrobium Candidum.
Background technology
Dendrobium candidum is listed in " first of Chinese nine immortal grass ", since the Tang and Song Dynasty, has been listed in royal tribute always.Li Shizhen (1518-1593 A.D.) evaluates dendrobium candidum " reinforcing yin essence benefit is smart, thick stomach, never sufficient in benefit, flat stomach Qi, longue meat, and intelligence development, except frightened, made light of one's life by commiting suicide and prolonged life " in Compendium of Material Medica; Among the peoplely to be called " the celestial grass of help ".In addition, the stem of dendrobium candidum can clearing heat and promoting fluid, and anti-inflammatory analgetic, clear and rich throat, has good curative effect to treatment hoarse voice.
Dendrobium candidum generally grows between height above sea level 100-3000 rice height, often grows nonparasitically upon another plant on or rock upper in tree, likes warm, moistening and half cloudy environment, do not resist cold.Growth thermophilic 18 ~ 30 DEG C, vegetative period is more suitable with 16 ~ 21 DEG C, resting stage 16 ~ 18 DEG C, and evening temperature is 10 ~ 13 DEG C, and the temperature difference remains on 10 ~ 15 DEG C of the bests.Day temperature is little to stem of noble dendrobium growth effect more than 30 DEG C, and winter temperature is not less than 10 DEG C.Seedling is easily endured cold below 10 DEG C, harsh to the requirement for environmental conditions of growth.The natural propagation ability of dendrobium officinale is low, poor growth.And at present in dendrobium candidum biological engineering process, seed germination rate is often less than 20%, and the survival rate after transplanting is also less than 60%.This greatly limits the cultivation of dendrobium candidum.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, a kind of propagation method that can improve dendrobium candidum breeding germination rate and transplant the Seeds of Dendrobium Candidum of planting survival rate is provided, seed germination rate minimum about 40% during use the method, most Gao Yueda 60%, average out to about 45%, and transplanting survival rate is up to more than 98%, increase substantially economic benefit.
For achieving the above object, the present invention is by the following technical solutions:
A propagation method for Seeds of Dendrobium Candidum, comprises the following steps:
1, in the winter time, first the Seeds of Dendrobium Candidum after maturation gathered and dry, being put in cool place, dry ventilation and preserving, preventing moldy metamorphism and can safe hibernation.
2, sow on booth and cover the nylon matter shade net that screening sunshade degree reaches 75-90%, surrounding film is isolated, and seed bed height overhead can not be less than 30cm, makes it after planting from rain drop erosion and windage, and air can be kept again normally to circulate.
3, cultivation sill chaff, peanut shell sterilization drugs are processed, preferably carry out high-temperature sterilization, during sterilization service property (quality) concentration be 0.1% potassium permanganate boiling water spray, reach more than 80 DEG C latter 5 minutes to cultivating Ji Wendu.
4, the peanut shell handled well is layered on the seed bed doing backing with linoleum cloth and does plantation bottom, thick about 5cm, particle diameter 0.5 ~ 0.8cm; Repave wooden chaff (being preferably weedtree, as Qinggang is wooden, black rice is wooden, escape army provisions, Door frame etc.) to cover and do plantation top layer, thick about 1 ~ 2cm, particle diameter 0.1 ~ 0.2cm, and it is flattened.
5, be selected in Clear and Bright after severe cold to season in grain rains in spring, first to the seed bed atomized water spray completed, make it fully drenched, then seed is sowed on seed bed.
6, after seed is broadcast, key is to control moisture content and humidity, make the humidity that wooden chaff should keep certain, but moisture content again can not be too many, and humidity is best with 85-90%.And because the seed of dendrobium candidum is very little, required moisture content will spray after atomization again, prevents seed to wash out.
7, through a wheat harvesting period, after seed major part is germinateed, strict temperature control, more than 35 DEG C, preferably between 20-28 DEG C, thin fertilizer (organic fertile) can not be sprayed simultaneously, its mass concentration more than thousand/3-5, can not be avoided burning seedling, sprays frequency and sprayed once with about ten days.
8, the seed due to dendrobium candidum is very responsive to medicine, ordinary circumstance not random dispenser, and bactericide commonly uses methyl Tobe zinc, fenaminosulf; Insecticide commonly use auspiciously to attack, sharp Qiong Te, its mass concentration can not more than 5/1000ths, and this concentration cannot be killed some insect, so also want frequent indirect labor to catch and kill, insecticide sprayed once with about 30 days, and bactericide then sprayed with about 15 days is once advisable.
Advantage of the present invention is: seed germination rate minimum about 40%, most Gao Yueda 60%, average out to about 45%, and transplanting survival rate is up to more than 98%, has increased substantially economic benefit.
Embodiment
Embodiment 1:
1, in the winter time, first the Seeds of Dendrobium Candidum after maturation gathered and dry, being put in cool place, dry ventilation and preserving, preventing moldy metamorphism and can safe hibernation.
2, sow on booth and cover shade net, surrounding film is isolated, and seed bed height overhead can not be less than 30cm, makes it after planting from rain drop erosion and windage, and air can be kept again normally to circulate.
3, cultivation sill chaff, peanut shell are carried out high-temperature sterilization.
4, the peanut shell handled well is layered on the seed bed doing backing with linoleum cloth and does plantation bottom, thick 5cm, particle diameter 0.5 ~ 0.8cm; Repave the covering of wooden chaff and do plantation top layer, thick 1 ~ 2cm, particle diameter 0.1 ~ 0.2cm, and it is flattened.
5, be selected in Clear and Bright after severe cold to season in grain rains in spring, first to the seed bed atomized water spray completed, make it fully drenched, then seed is sowed on seed bed.
6, after seed is broadcast, key is to control moisture content and humidity, make the humidity that wooden chaff should keep certain, but moisture content again can not be too many, and humidity is best with 85-90%.And because the seed of dendrobium candidum is very little, required moisture content will spray after atomization again, prevents seed to wash out.
7, through a wheat harvesting period, after seed major part is germinateed, strict temperature control is between 20-28 DEG C, and spray thin fertilizer (organic fertile), its mass concentration can not, more than thousand/3-5, be avoided burning seedling simultaneously.
8, the seed due to dendrobium candidum is very responsive to medicine, ordinary circumstance not random dispenser, and bactericide commonly uses methyl Tobe zinc, fenaminosulf; Insecticide commonly use auspiciously to attack, sharp Qiong Te, its concentration can not more than 5/1000ths, and frequent indirect labor catches and kills insect.
After using the method breeding in the present embodiment, percentage of seedgermination is 60%, and transplanting survival rate is 99%.
Claims (4)
1. a propagation method for Seeds of Dendrobium Candidum, comprises the following steps:
(1). in the winter time, first the Seeds of Dendrobium Candidum after maturation gathered and dry, being put in cool place, dry ventilation and preserving, preventing moldy metamorphism and can safe hibernation;
(2). sowing booth covers shade net, and surrounding film is isolated, and seed bed height overhead can not be less than 30cm, makes it after planting from rain drop erosion and windage, and air can be kept again normally to circulate;
(3). cultivation sill chaff, peanut shell to be carried out disinfection, sterilization processing;
(4). the peanut shell handled well is layered on the seed bed doing backing with linoleum cloth and does plantation bottom, thick 5cm, particle diameter 0.5 ~ 0.8cm; Repave wooden chaff, cover and be the plantation thick 1 ~ 2cm in top layer, particle diameter 0.1 ~ 0.2cm, and flatten;
(5). clear and bright to season in grain rains after spring severe cold, first to the seed bed atomized water spray completed, make it fully drenched, then seed is sowed on seed bed;
(6). after seed is broadcast, make wooden chaff keep the humidity of 85-90%, and because the seed of dendrobium candidum is very little, required moisture content to spray after atomization, prevents seed to wash out again;
(7). through a wheat harvesting period, after seed major part is germinateed, strict temperature control more than 35 DEG C, can not spray organic thin fertilizer simultaneously.
2. the method for claim 1, wherein wooden chaff described in (4) is weedtree chaff.
3. the method for claim 1, wherein temperature described in (7) is 20-28 DEG C.
4. the method for claim 1, wherein sterilization processing described in (3) is high-temperature sterilization.
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| CN103283433B true CN103283433B (en) | 2015-04-15 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103798013B (en) * | 2013-12-23 | 2016-01-27 | 茂名市惠生源生物科技有限公司 | A kind of breeding method of Seeds of Dendrobium Candidum seedling |
| CN103918471B (en) * | 2014-05-13 | 2015-08-12 | 赤水市信天中药产业开发有限公司 | HERBA DENDROBII seed booth sprouts seedling raising process |
| CN105359983A (en) * | 2015-12-24 | 2016-03-02 | 陕西师范大学 | Dendrobium officinale Kimura et Migo protocorm direct-seeding method |
| CN105941111A (en) * | 2016-05-06 | 2016-09-21 | 安徽山珍藏生态农业有限公司 | Dendrobium huoshanense C.Z.Tang et S.J.Cheng breeding method |
| CN106385857A (en) * | 2016-08-30 | 2017-02-15 | 柳州市泓吉农业科技有限公司 | Propagation method of dendrobium officinale seeds |
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2013
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