CN104221650A - Stumping rejuvenation method for Ginkgo biloba L. nursery stocks - Google Patents
Stumping rejuvenation method for Ginkgo biloba L. nursery stocks Download PDFInfo
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- CN104221650A CN104221650A CN201410345589.9A CN201410345589A CN104221650A CN 104221650 A CN104221650 A CN 104221650A CN 201410345589 A CN201410345589 A CN 201410345589A CN 104221650 A CN104221650 A CN 104221650A
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- stump
- ginkgo biloba
- seedlings
- nursery stock
- sprout tillers
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Abstract
The invention discloses a stumping rejuvenation method for Ginkgo biloba L. nursery stocks. A stumping method is used for rejuvenating nursery stocks with bent trunks, mechanical damage and pest and disease damage, so that the quality of the Ginkgo biloba L. nursery stocks is improved, and production requirements are met. The characteristic of high tiller sprouting performance of Ginkgo biloba L. is utilized, trunks are stumped from stem bases to promote the growth of branches, and the branches and the trunks are straight and high in growth speed, so that the value of the nursery stocks is improved. The method is used for rejuvenating the Ginkgo biloba L. nursery stocks, and the operation is easy and feasible.
Description
Technical field
The invention belongs to the technical field that arboreal growth is grown and bred, particularly a kind of about Seedlings of Ginkgo biloba plane monitor method method.
Background technology
Ginkgo (Ginkgo biloba L.) is the Relict Plant of quaternary glacier, is that Ye Guocai holds concurrently excellent rare tree species.China, as ginkgo first big country in the world, has more than 90% of world's Ginkgo Germplasm Resource, and the cultivation history can investigated in China is for thousand.Ginkgo is chosen as China " state tree " possibility because having high economy, ecology and cultureal value is very large.At present; the mode that Seedlings of Ginkgo biloba is cultivated mainly contains the modes such as sowing, cuttage and grafting; and mainly there is following outstanding problem in these modes in actual production: usually understand in the nursery of ginkgo seeding and seedling raising that some trunk bends, mechanical damage or the serious nursery stock of pest damage; this part nursery stock economic worth is lower, especially in afforestation.
Different from the gymnosperm such as pine, cypress, in its natural state, rhizome intersection very easily produces indefinite bud to ginkgo, indefinite bud sprout formed multiple dry.The present invention utilizes the stronger sprout tillers ability of ginkgo, adopts that the mode of stump is bending to trunk, mechanical damage and damage by disease and insect nursery stock carry out rejuvenation, improve quality and the economic worth of nursery stock.Yet there are no the report of Seedlings of Ginkgo biloba plane monitor method, the present invention proposes under such technical background.
Summary of the invention
The object of the invention is, for usually in the nursery of ginkgo seeding and seedling raising that some trunk bends, mechanical damage or the serious nursery stock of pest damage, this part nursery stock economic worth is lower, especially in afforestation.In order to solve the problem, present invention employs following technical scheme:
(1) select that the trunk of seedling age 3-5 in nursery bends, mechanical damage or the serious nursery stock of pest damage be the object of plane monitor method.
(2) stump Season select: after Seedlings of Ginkgo biloba fallen leaves, stump can carry out, but this period of time that the stump time of the best is ginkgo fell leaves completely before the beginning of spring solar term, namely at the beginning of 2 months next year of December first arrival.
(3) nursery stock stump: cut off by trunk apart from 2-3cm place, ground, forms a concordant clip, notes 2-3 bud below reservation clip.
(4) manage after stump: irrigate immediately after stump, reduce the impact of evaporation on stump nursery stock.Can sprout the sprout tillers that quantity does not wait spring in next year around stump otch, when sprout tillers height reaches 20cm, retain a strain form good, all the other sprout tillers are removed by the sprout tillers of robust growth.The sprout tillers that timely removing is follow-up, strengthens rich water quality management, removes weeds etc. in time.
The invention has the beneficial effects as follows:
(1) adopt that the method process trunk of stump bends, mechanical damage or the serious nursery stock of pest damage, all can obtain that trunk leads to directly, the multiple of fast growth does.Multiple dry height then can reach 1-2m, and leading thread reaches 1-2cm, reaches the effect to original nursery stock rejuvenation.
(2) the stump time is best at the beginning of 2 months next year of December first arrival, and in this time period, nursery stock stops growing, and transpiration is less, little on nursery stock impact.
(3) when sprout tillers height reaches 20cm, retain a strain form good, all the other sprout tillers are removed by the sprout tillers of robust growth, and the sprout tillers that removing is follow-up in time, after ensureing stump like this, dry growth rate reaches maximum again.
Utilize said method to bend trunk, mechanical damage and suffer the nursery stock of damage by disease and insect to carry out rejuvenation, effect of rejuvenation is good, and speed is fast, easy and simple to handle, with low cost, improves the value of nursery stock.
Accompanying drawing explanation
Fig. 1 trunk inclination schematic diagram
Fig. 2 stump schematic diagram
Fig. 3 germinates new dry schematic diagram
Embodiment
Embodiment 1
Application this method is carried out in Ginkgo Germplasm Resource garden, Shandong Agricultural University's forestry proving ground, Tai'an, Shandong Province, trunk is bent, mechanical damage and damage by disease and insect harm nursery stock implement stump, it is multiple dry that nursery stock sprouting quantity after stump does not wait, reservation form leads to directly, grow vigorous multiple doing well does with alternative mother, reaches effect of rejuvenation.Seedlings of Ginkgo biloba plane monitor method method implementation step is as follows:
1. Seedlings of Ginkgo biloba plane monitor method preparation
Instrument prepares: shrub and hedge trimmer, energetically shrub and hedge trimmer.
Rejuvenation selection of seedling: select that the trunk of seedling age 3-5 in nursery bends, mechanical damage or the serious nursery stock of pest damage be the object of plane monitor method, row labels of going forward side by side.
2. the selection of stump time
After Seedlings of Ginkgo biloba fallen leaves, stump can carry out, but this period of time that the stump time of the best is ginkgo fell leaves completely before the beginning of spring solar term, namely at the beginning of 2 months next year of December first arrival.At Taian Shandong, the best stump time is December, and the stump time of this application example is mid-December.
3. nursery stock stump
Stump is implemented to the nursery stock that marks in nursery, apart from 2-3cm place, ground, trunk is being cut off, forms a concordant clip, note 2-3 bud below reservation clip.With the nursery stock of below shrub and hedge trimmer leading thread 1cm, the use that leading thread is greater than 1cm energetically shrub and hedge trimmer carries out stump.
4. manage after stump
Irrigate immediately after stump, reduce the rising impact on stump nursery stock.Short of rain, the evaporation discharge of spring arid in next year is large, should carry out Rational Irrigation.Late April can sprout the sprout tillers that quantity does not wait below stump otch, and when sprout tillers height reaches 20cm, retain a strain form good, all the other sprout tillers are removed by the sprout tillers of robust growth.The sprout tillers that timely removing is follow-up, strengthens rich water quality management, removes weeds etc. in time.
The present invention is not limited to above embodiment, as long as take stump method on Seedlings of Ginkgo biloba, no matter whether takes the control measures after stump, all will fall within the scope of protection of the present invention.
Claims (3)
1. a Seedlings of Ginkgo biloba plane monitor method method, is characterized in that comprising the following steps:
(1) select that the trunk of seedling age 3-5 in nursery bends, mechanical damage or the serious nursery stock of pest damage be the object of plane monitor method;
(2) stump Season select: after Seedlings of Ginkgo biloba fallen leaves, stump can carry out, but this period of time that the stump time of the best is ginkgo fell leaves completely before the beginning of spring solar term, namely at the beginning of 2 months next year of December first arrival;
(3) nursery stock stump: cut off by trunk apart from 2-3cm place, ground, forms a concordant clip, notes 2-3 bud below reservation clip;
(4) manage after stump: irrigate immediately after stump, reduce the impact of evaporation on stump nursery stock.Can sprout the sprout tillers that quantity does not wait spring in next year around stump otch, when sprout tillers height reaches 20cm, retain a strain form good, all the other sprout tillers are removed by the sprout tillers of robust growth.The sprout tillers that timely removing is follow-up, strengthens rich water quality management, removes weeds etc. in time.
2. a kind of Seedlings of Ginkgo biloba plane monitor method method according to claim 1, is characterized in that, the selection in the stump season described by step (2).
3. a kind of Seedlings of Ginkgo biloba plane monitor method method according to claim 1, is characterized in that, the selection of the rejuvenation method described by step (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410345589.9A CN104221650A (en) | 2014-07-18 | 2014-07-18 | Stumping rejuvenation method for Ginkgo biloba L. nursery stocks |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410345589.9A CN104221650A (en) | 2014-07-18 | 2014-07-18 | Stumping rejuvenation method for Ginkgo biloba L. nursery stocks |
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| CN104221650A true CN104221650A (en) | 2014-12-24 |
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| CN201410345589.9A Pending CN104221650A (en) | 2014-07-18 | 2014-07-18 | Stumping rejuvenation method for Ginkgo biloba L. nursery stocks |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105075629A (en) * | 2015-08-31 | 2015-11-25 | 贵州省草业研究所 | Method of high-level stumping and rejuvenating of bush sophora davidii |
| CN105746280A (en) * | 2016-03-15 | 2016-07-13 | 云南洪尧园林绿化工程有限公司 | Ginkgo nursery-grown plant stumping and rejuvenating method |
| CN108157117A (en) * | 2018-01-19 | 2018-06-15 | 山东农业大学 | A kind of method for inspiring ginkgo and doing generation again |
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| CN102318486A (en) * | 2011-08-09 | 2012-01-18 | 湖南麓山天然植物制药有限公司 | GAP (good agricultural practices) cultivation technique for leaf-harvesting ginkgo garden with red soil |
| CN103004480A (en) * | 2012-12-20 | 2013-04-03 | 山东农业大学 | Ancient tree rejuvenation technology based on inverted bark-whip grafting for ginkgobiloba |
| CN103181286A (en) * | 2013-03-13 | 2013-07-03 | 山东农业大学 | Method for overcoming topophysis in vegetative propagation of gingkoes |
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2014
- 2014-07-18 CN CN201410345589.9A patent/CN104221650A/en active Pending
Patent Citations (3)
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| CN102318486A (en) * | 2011-08-09 | 2012-01-18 | 湖南麓山天然植物制药有限公司 | GAP (good agricultural practices) cultivation technique for leaf-harvesting ginkgo garden with red soil |
| CN103004480A (en) * | 2012-12-20 | 2013-04-03 | 山东农业大学 | Ancient tree rejuvenation technology based on inverted bark-whip grafting for ginkgobiloba |
| CN103181286A (en) * | 2013-03-13 | 2013-07-03 | 山东农业大学 | Method for overcoming topophysis in vegetative propagation of gingkoes |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105075629A (en) * | 2015-08-31 | 2015-11-25 | 贵州省草业研究所 | Method of high-level stumping and rejuvenating of bush sophora davidii |
| CN105746280A (en) * | 2016-03-15 | 2016-07-13 | 云南洪尧园林绿化工程有限公司 | Ginkgo nursery-grown plant stumping and rejuvenating method |
| CN108157117A (en) * | 2018-01-19 | 2018-06-15 | 山东农业大学 | A kind of method for inspiring ginkgo and doing generation again |
| CN108157117B (en) * | 2018-01-19 | 2020-04-24 | 山东农业大学 | Method for promoting generation of gingko redrying |
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Application publication date: 20141224 |