CN101692761A - Method for promoting davidia involucrata seed germination - Google Patents
Method for promoting davidia involucrata seed germination Download PDFInfo
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- CN101692761A CN101692761A CN200910062886A CN200910062886A CN101692761A CN 101692761 A CN101692761 A CN 101692761A CN 200910062886 A CN200910062886 A CN 200910062886A CN 200910062886 A CN200910062886 A CN 200910062886A CN 101692761 A CN101692761 A CN 101692761A
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Abstract
The invention relates to a method for promoting seed germination, in particular to a method for promoting davidia involucrata seed germination. The method for promoting davidia involucrata seed germination is characterized by comprising the following steps: (a) pre-treating sand: cleaning sand and disinfecting by using disinfectant; (b) storing: placing davidia involucrata seeds into the sand and covering the davidia involucrata seeds with the sand; (c) temperature controlling: controlling the storage temperature above 4 DEG C; (d) moisture controlling: controlling sand layers storing the davidia involucrata seeds to be moisture and have no accumulated water; and (e) time controlling: controlling the storage time to be 14-16 months. The method for promoting davidia involucrata seed germination can not only promote the pericarps of the davidia involucrata seeds in a moist sand layer to be softened to remove mechanical resistant from inner pericarps on seed germination under the conditions of the temperature controlling and the moisture controlling, but also complete the after-ripening of the seeds, and can enhance the uniformity of germination and evidently improve the seed germination rate.
Description
Technical field
The present invention relates to promote the method for seed sprouting.Be particularly useful for promoting the method for davidia involucrata seed germination.
Technical background
Dove tree: another name water pear, pigeon tree, pigeon flower tree; Dove tree belongs to Nyssaceae; Rare deciduous tree in imminent danger, it is high to grow into 20-25 rice, and leaf is extensively avette, and there is sawtooth at the edge.The undergraduate course plant has only one to belong to two kinds, and two kinds similar, is a kind of blade face hairiness, and another kind is the light face.It is a kind of Relict Plant.The flower of dove tree is the capitulum by most male flowers and a synthetic sphere of hermaphrodite flower, but base portion has two milky big bracts, waves with the wind in gentle breeze, and is very attractive in appearance as countless pigeons, so English is called " pigeon tree ".
Chinese scholars has been carried out a large amount of research to dove tree Seed Dormancy and vernalization problem for many years, result of study shows, the main cause that influences the dove tree seed germination has: the mechanical resistance of hard endocarp, the latter stage of ripening of seed, is long, influence of inhibiting substances etc. in pericarp and the embryo, mechanical damage has been proposed, chemical reagent is handled, multiple seed accelerating germination methods such as people and animals' urine immersion, these methods can play hard pericarp to a certain extent and destroy or emollescence, but it is little not obvious to the destruction or the emollescence of pericarp to handle intensity, handle intensity big and can damage seed, and still can't resolve long problem of dove tree seed afterripening phase.Having reported in literature to send out rate at present is 95%.
Summary of the invention:
The method that the purpose of this invention is to provide a kind of new promotion davidia involucrata seed germination.
The present invention realizes with following technical scheme; Promote the method for davidia involucrata seed germination, comprise following steps: (a) sand preliminary treatment: sand is cleaned used the thimerosal sterilization; (b) storage: the dove tree seed is put into sand, at dove tree seed loam cake sand; (c) temperature control: reserve temperature is controlled at more than 4 ℃; (d) control is wet: the sand bed of control storage dove tree seed is moistening shape, no ponding; When (e) controlling: the control storage time is 14 months-16 months.
The present invention promotes the method for davidia involucrata seed germination, comprises following steps: (a) sand preliminary treatment: sand is cleaned used the thimerosal sterilization; (b) storage: dove tree seed monolayer alignment is put into sand, at the sand of dove tree seed loam cake 10 cm thicks; (c) temperature control: reserve temperature is controlled at more than 4 ℃; (d) control is wet: the sand bed of control storage dove tree seed is moistening shape, no ponding; When (e) controlling: the control storage time is 15 months.
The present invention promotes the method for davidia involucrata seed germination, the long-pending dove tree seed of wet sand bed is about 15 months under the situation that temperature control is preserved moisture, can soften pericarp and remove the mechanical resistance of endocarp seed germination, can finish the afterripening of seed again, the regularity of germination can be improved, seed germination rate can be significantly improved again.
Embodiment
The present invention is further illustrated below in conjunction with embodiment:
Embodiment the present invention produces a kind of method that promotes davidia involucrata seed germination, comprise following steps: (a) sand preliminary treatment: sand is cleaned, use the sterilization of 0.1%-0.2% potassium permanganate thimerosal, every again square meter is husky use furans red 0.03 kilogram to sand deinsectization sterilization; (b) storage: dove tree seed monolayer alignment is put into sand, at the sand of dove tree seed loam cake 10 cm thicks; (c) temperature control: reserve temperature is controlled at more than 4 ℃; (d) control is wet: the sand bed of control storage dove tree seed is moistening shape, no ponding; When (e) controlling: the control storage time is 15 months.The long-pending dove tree seed of wet sand bed is about 15 months under the situation that temperature control is preserved moisture, can soften pericarp and remove the mechanical resistance of endocarp seed germination, can finish the afterripening of seed again, can improve the regularity of germination, can significantly improve seed germination rate again, germination rate can reach 170% (containing two seeds with average each fruit calculates).
Claims (3)
1. a method that promotes davidia involucrata seed germination is characterized in that comprising following steps: (a) sand preliminary treatment: sand is cleaned used the thimerosal sterilization; (b) storage: the dove tree seed is put into sand, at dove tree seed loam cake sand; (c) temperature control: reserve temperature is controlled at more than 4 ℃; (d) control is wet: the sand bed of control storage dove tree seed is moistening shape, no ponding; When (e) controlling: the control storage time is 14 months-16 months.
2. want 1 described a kind of method that promotes davidia involucrata seed germination according to right, when it is characterized in that described (e) control: the control storage time is 15 months.
3. want 1 described a kind of method that promotes davidia involucrata seed germination according to right, it is characterized in that described (b) storage: dove tree seed monolayer alignment is put into sand, at the sand of dove tree seed loam cake 10 cm thicks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910062886A CN101692761A (en) | 2009-06-23 | 2009-06-23 | Method for promoting davidia involucrata seed germination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910062886A CN101692761A (en) | 2009-06-23 | 2009-06-23 | Method for promoting davidia involucrata seed germination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101692761A true CN101692761A (en) | 2010-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910062886A Pending CN101692761A (en) | 2009-06-23 | 2009-06-23 | Method for promoting davidia involucrata seed germination |
Country Status (1)
| Country | Link |
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| CN (1) | CN101692761A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104969859A (en) * | 2015-06-16 | 2015-10-14 | 邓志军 | Davidia involucrata vitro embryo tissue culture method |
| CN109429616A (en) * | 2018-11-20 | 2019-03-08 | 界首市芙乐园农业发展有限公司 | A kind of processing method for accelerating davidia involucrata seed germination |
-
2009
- 2009-06-23 CN CN200910062886A patent/CN101692761A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104969859A (en) * | 2015-06-16 | 2015-10-14 | 邓志军 | Davidia involucrata vitro embryo tissue culture method |
| CN109429616A (en) * | 2018-11-20 | 2019-03-08 | 界首市芙乐园农业发展有限公司 | A kind of processing method for accelerating davidia involucrata seed germination |
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Open date: 20100414 |