CN102293104A - Excellent young sprout grafting method for camelliaspp - Google Patents
Excellent young sprout grafting method for camelliaspp Download PDFInfo
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Abstract
The invention discloses an excellent young sprout grafting method for camelliaspp, relating to camelliaspp variety cultivating. The method comprises rootstock selecting, rootstock cutting, cutting wood collecting and storing, scion cutting and inserting, thin aluminum sheet hooping, moisture preservation and shading, final-period management and the like. The method is mainly substantially characterized in that: annular semi-lignified shoots of fine camelliaspp are taken as scions, semi-lignified shoots growing after rootstock cutting of a robust camelliaspp tree are taken as rootstocks, grafting is performed with a rootstock splitting method, an optical rootstock cutting period and an optical grafting period are disclosed, and the relations of factors such as scion preservation degree, temperature, illumination, rootstock bud retention time and the like with the grafting survival rate are disclosed respectively. The method has mature and reliable technical specifications, and is suitable for large-area improvements on low production forests and incomplete forests of camelliaspp; and the grafting survival rate of camelliaspp is over 98 percent.
Description
Technical field
The present invention relates to the cultivation of oil tea kind, the high excellent method of changing of cutting of promptly a kind of oil tea young sprout.
Background technology
1. oil tea (Camelliaspp) is the general name that oil content is the highest in Theaceae (Theacae) Camellia (Camellia), oil that have productive value is used species, the edible oil materials seeds that belong to four seasons evergreen broad-leaved dungarunga, the adult height of tree can reach about 3 meters, about 80 years of rich fruit phase, the age of tree can reach more than a century, and main geography is distributed in the Yangtze river basin and areas to the south in China.World's oil tea resource almost all drops on China, and present Chinese oil tea is possessed about 4,500 ten thousand mu of area, and these seeds are referred to as " China is bestowed by heaven " by the expert.According to the Classic of Mountains and Rivers record, existing more than the 2300 year history of China cultivation oil tea.
Oil tea and oil palm, coconut, olive also are called the world's four big woody oil tree species.The tea oil look perfume (or spice) of distinguishing the flavor of clearly is of high nutritive value.CDC nutrition and the expert of food security research institute once compared wild tea oil of China and foremost in the world olive oil, result of study shows, although the composition of tea oil and olive oil has some similarities, but in fact the dietotherapy dual-use function of bitter edible plant oil is better than olive oil, more is better than other any other grease.Contain unsaturated fatty acid as olive oil and reach 75%-90%, the unsaturated fatty acid in the tea oil is the hat of various vegetable edible oils then up to 85%-97%.Also contain unexistent specific physiological activator Tea Polyphenols of olive oil and camellianin in the tea oil, these materials can effectively improve the rising of cardiovascular and cerebrovascular disease, cholesterol reducing and fasting blood-glucose, inhibition triglyceride, help " three height " patient to improve health status, and have tangible anticancer function.Simultaneously, the tea oil molecular structure is also more tiny than olive oil, has good action so edible camellia oil for improving human dietary structure, is improved health conditions etc.
Be rich in tea saponin in the tea dregs of rice after the tea seed oil expression, it is a kind of natural non-ionic surface active agent of function admirable, can be widely used in high-grade articles for washing production, paper industry, chemical engineering industry, agricultural chemicals manufacturing industry and pharmaceuticals industry etc.
2, as a kind of ancient high-quality woody oil tree species, oil tea is strong to natural environment adaptability, drought-resistant, anti-frost, impoverishment tolerant, substantially there is not damage by disease and insect, all can grow in hills, mountain region, limes marginis, roadside, do not plough, be beneficial to the marginal plot of performance, barren plot, unsuitable grain resource effectiveness with the soil with the contention of grain, cotton crop.With China agricultural population Da Sheng Anhui is example, and the oil tea low production forest of needing transformation badly promptly reaches 180,000 mu, and the area of suitable development oil tea reaches more than 300 ten thousand mu, and planning treats that newly-built camellia oleifera lam is 600,000 mu.
China's camellia oleifera lam is cultivated current ubiquitous problem: yield poorly, of poor benefits, poor growth, its immediate cause is: variet complexity, little, the old residual woods of breeding ratio than great, lack the improved seeds that are fit to local cultivation.According to statistics in 2007, Anhui Province's oil tea natural forest per mu yield oil is 3-5 kilogram only on average, and Hunan Province, main producing region natural forest per mu yield oil is 4-5.5 kilogram only on average.
The conventional method of China's camellia oleifera lam breeding is the sexual propagation of growing directly from seeds.The nearly several years, the vegetative propagation of oil tea more and more is subjected to production unit and researcher's attention, and vegetative propagations such as cuttage, grafting, group training are given more sustained attention, and the experiment achievement of multizone occurred and have proposed many outstanding schemes.Particularly since two thousand nine, cluster appears in the Chinese patent application in oil tea breeding field.
In the vegetative propagation of oil tea, propagation by grafiting be fringe bar grafting with good elite stand to oil tea stock with main root, and become the new varieties tea oil tree by the integrated hypostazation of anvil, fringe cut-out section.Propagation by grafiting is a kind of basic and important propagation method, and No. 200910114227.8 patent applications (propagation method of using oil-tea young anvil to graft containerized seedlings, Guangxi Forestry Academy) promptly are one of representatives wherein.
Summary of the invention
Task of the present invention provides the high excellent method of changing of cutting of a kind of oil tea young sprout, in the hope of the large tracts of land grafting renovation of the improved seeds that are applied to domestic existing oil tea low production forest Cheng Shu.
Technical solution of the present invention: the high excellent method of changing of cutting of a kind of oil tea young sprout. comprise selection and the sawed-off major branch of the big tree of oil tea; The fringe bar is gathered and storage; Grafting (split anvil, cut fringe and the combination of fringe anvil); Book aluminium flake hoop is pricked; The sunshade of preserving moisture; Steps such as final-period management is characterized in that: giving birth to semi-lignified branch then with the breeding oil tea is scion, is stock with the sawed-off semi-lignified branch of the new hair tonic of major branch afterwards of the big tree of healthy and strong oil tea, to split the grafting of anvil method.
In such scheme, the sawed-off time of the big tree major branch of oil tea is the annual 2-4 month or the 7-8 month, Best Times wherein be behind the Chinese lunar calendar rainwater to the Spring Equinox.
In such scheme, anvil fringe grafting time with the end of spring and the beginning of summer and autumn late summer at the beginning of grafting be advisable, but all graftings of May to June and mid-August to early September, best grafting time wherein is that late May is to mid-June.
In such scheme, after anvil fringe grafting part is pricked with book aluminium flake hoop, cover last 14 * 20 centimetres plastic bag sealing immediately, and wrap up at the plastic sack skin with cover from sun with acquisition heat and moisture preserving effect.
In such scheme, during June anvil fringe grafting, cover from sun is pressed the east-west direction wrapping; During other anvil fringe grafting, cover from sun is by the North and South direction wrapping in month.
In such scheme, the poison pen with insect-pest after the grafting is drawn complete turn around major branch under cover from sun.
In such scheme, when green, the time-division is removed the plastic sack that is used for heat and moisture preserving to the fringe bar between the lights by red stain after the grafting.
In such scheme, when young sprout reaches 6 centimetres of left and right sides length after the grafting, throw off cover from sun.
In such scheme, removed the rudiment branch of growing on the stock before 1 year Ching Ming Festival behind the breeding fringe bar grafting survival.
In such scheme, do not carry out other branch of grafting on the stock and after two, three years, remove successively.
The inventive method is applicable to the large tracts of land transformation of oily bitter edible plant low production forest, old residual woods.Especially, when the big tree of the oily bitter edible plant use draw bark graft method or cortex grafting method height to connect to change excellent failure after, to be it remedying the unique method of grafting autumn to this method then.
Oil tea graft survival rate of the present invention reaches more than 98%, on average increases 20-30cm in 35-45 days after breeding fringe bar survives then, and the fringe bar that has and was born fruit in the 3rd year then even can increase 50-60cm.The grasp that is all semi-lignified, best grafting time section of scion and stock among the present invention, stock prescribing adequate nutrition deliverability, with the different azimuth of cover from sun corresponding to the season temperature difference, grafting after the technology nodes such as in good time removal of rudiment branch, to grafting fringe bar survive and crucial guaranteeing role has been played in growth.The technology of the present invention rules mature and reliable, cost is low, and is easy and simple to handle.
Description of drawings
The relation of Fig. 1 grafting time and survival rate
Fig. 2 rudiment branch is removed the relation of time and survival rate
Embodiment
Project of the present invention test region overview: carry out the applicant location that operates mainly in of research, the this area is in subtropics warm and moist monsoon climatic region, average annual temperature 15-15.4 ℃, frost-free season 210-230 days, average annual rainfall 1250-1350mm, landform be between the hills gently, the gravelly loam that soil forms for the differentiation of granite matter, the thick 30-60cm of soil layer, middle fertility is on the lower side, pH value is suitable for the growth of oil tea and breeds between 4.5-6.5.Especially the project test block is positioned at the southern foot, Dabie Mountain, and northwester is subjected to the obstruct in Dabie Mountain, and thermal condition is good, is the preferable normal region in oil tea area to the north of the Changjiang river.
Embodiment:
1. selection of the big tree of oil tea and sawed-off major branch
Change kind of an Object Selection oil tea low yield (bear fruit less or substantially not result) plant (being commonly called as the big tree of oil tea), again selected angle suitably, do the major branch of straight level and smooth, no damage by disease and insect, robust growth, the general 2--15cm of diameter.Overhead locate major branch sawed-off about 50-60cm.Sawed-off place grew newborn branch in about about 30 days.
All the other side shoots are treated to remove successively in the year of second and third behind the breeding fringe bar grafting survival on the major branch.
2. the fringe bar is gathered and storage
The fringe bar is gathered: select breeding fringe bar for use, clip tree crown middle and upper part pastiness enriches, healthy and strong, the full current-year branch of axillalry bud; The fringe bar of clip is the semi-lignified long shoot bar of leafy polygerm.Acquisition time is typically chosen in the cloudy day to carry out, or before at 9 in the fine morning, be advisable after at 5 in afternoon; The fringe bar generally with adopting with usefulness, if will transport, should be placed on shady and cool place, to keep freshness.
Concentrate the batch fringe bar of clip to tie up, and carry out every record by strain.
The storage of fringe bar: will concentrate the stand-by long fringe bar base portion of clip to soak, and in time be thrown into the moistening casting bed in indoor cool place and cover fringe bar base portion with damp sand, the about 10cm of sand layer thickness gets final product.
Note keeping sand humidity, but can not directly watering on the fringe bar.Exsomatizing the fringe bar can not long term storage, generally can not be above 5 days.
3. grafting (split anvil, cut fringe and the combination of fringe anvil)
1. the selection of grafting period: be advisable with grafting at the beginning of the end of spring and the beginning of summer and autumn late summer, but i.e. all graftings of two periods of early September in May--June and mid-August--are good with grafting late May to mid-June wherein.The grafting time that foundation experiment is for many years supported and the relation of graft survival rate are referring to Fig. 1.
In the area of different geographic climates, best grafting time may omit drift to some extent.
2. grafting method:
/ split anvil: the semi-lignified branch at the sawed-off place of the big tree major branch of oil tea is cut off (being commonly called as spray), and the spray root stays long 2-4cm.Root stays long as then is not convenient for next step grafting operation less than 2cm, and root stays long as then is unfavorable for growth after the grafting of anvil fringe greater than 4cm.To be cut off the root of branch from top to bottom to splitting, to splitting the size of the degree of depth with the thin type blade again corresponding to scion.
/ cut fringe: it is section about the 2cm of 1 leaf, 1 bud that the long fringe bar of breeding is cut out, and cuts symmetrical inclined-plane with the thin type blade in the segment fringe bar bottom of semi-lignified, the cutting body height corresponding to stock spray root to splitting the degree of depth.
/ fringe anvil combination: the stock spray root place of riving is inserted in the cutting end of semi-lignified breeding fringe bar.
4, book aluminium flake hoop is pricked
With the book aluminium billet hoop butting mouth of proper width, notice preventing that scion from moving.
(breeding fringe bar is incited somebody to action spreading book aluminium billet gradually after surviving, and book aluminium billet comes off naturally).
5, the sunshade of preserving moisture
After book aluminium billet hoop is pricked anvil fringe binding site, using immediately on 14 * 20 centimetres the plastic pocket with the sealing heat and moisture preserving, is that the cover from sun bundle is at the plastic sack skin with Compositions of Bamboo Shoot Shell simultaneously.As the grafting in May, Compositions of Bamboo Shoot Shell is by North and South direction wrapping, allows the sooner or later saturating sunlight of east-west direction, helps breeding fringe bar and survives.As the grafting in June, Compositions of Bamboo Shoot Shell is pressed east-west direction wrapping, and whole day does not allow sees sunlight in the film, in case sunlight directly shines the dead seedling of high temperature.The grafting of mid-August to early September can be carried out with reference to wrapping in May method.
The relation that Compositions of Bamboo Shoot Shell is tied up direction and time in first half of the year graft survival rate sees table:
6. final-period management
1. insect-pest: below Compositions of Bamboo Shoot Shell, draw insect pests such as a circle prevention ant after the grafting with poison pen around major branch.
2. make regular check on: will make regular check on the situation of transferring interface after the grafting, notice whether plastic sack is damaged ventilative; Whether Compositions of Bamboo Shoot Shell is bumped askewly because of external force, influences sunshade.
3. connect healing in back about 30 days and take out the tip, when left and right sides young sprout was by red virescence in 50 days after the grafting, the time-division was removed the insulating plastic pipe bag between the lights, but the Compositions of Bamboo Shoot Shell that plays the sunshade effect also need continue to keep.When young sprout grows to 6 centimetres of left and right sides, remove cover from sun.
4. weeding fertilising: weeds grows very soon under hot conditions in the grove, should in time remove, and grow in order to avoid influence oil tea.The big tree of oil tea for the treatment of grafting will will use sufficient fertilizer one time in the winter of grafting the previous year, grow in order to the breeding fringe bar after the grafting.All will apply fertilizer once later on annual winter.Fertilizing amount is decided according to tree body size, and each sealing fertilizer 250 grams of the trees that general diameter is about 3 centimeters are advisable.From about 80 centimetres annular grooves of locating to dig 10 centimetres of the degree of depth of usage tree root, fertilizer evenly is sprinkled in the ditch before the fertilising, fills out soil again, prevent fertilizer loss.
5. remove and sprout: removed the rudiment branch that grows out on the stock behind the grafting survival before 1 year Ching Ming Festival, the newborn branch nutrition of grafting is concentrated, it is more vigorous to grow; But the branch of Meng Faing ten million can not be eager to remove then, as sprouts Sheng, can cut off top, lets alone to sprout again.The relation of sprouting branch removal time and graft survival rate is referring to Fig. 2.
Not carrying out other branch of grafting on the stock removed after two, three years successively.
6. the general extermination of disease and insect pest:, must implement to be aided with biological control, measure based on the forest culture and management technology for damage by disease and insect such as oil tea anthracnose, soft rot, the swollen disease of leaf, sooty mould, caterpillar, poison moth, weevils.Specific practice is when cultivating multiple, fertilising that invalid bodies such as disease branch, sick leaf, disease fruit is buried, removes historical diseased plant; Kill worm's ovum and worm pupa.In addition, note protecting natural enemy, carry out biological control, as protection, cultivation is deceived edge ladybug, bright red ladybug with control a red-spotted lizard class, utilizes parasitic fly, mushroom control biston marginata etc., auxilliary in case of necessity can the chemicals sprinkling control.
Also have several noticeable relations about the present invention:
1. the relation of fresh-keeping degree of scion and graft survival rate
Aborning, scion generally in the morning 6:00-8:00 gather and process, this moment, the scion water content was too high, graft survival rate is lower immediately.Therefore, the present invention's research is preserved moisture sand storage after the scion collection 2-3 hour, allows the assimilation and dissimilation of fringe bar own be tending towards coordinated balance grafting then.Through test, the fringe bar is beneficial to and improves survival rate and do not have other harmful effect under the situation of dehydration below 5%; But when dehydration greater than 10% the time, survival rate then descends rapidly.
2. the relation of temperature and illumination and survival rate
The oil tea branches of tall trees change the assurance that kind of grafting will have conditions such as certain illumination, temperature, humidity, and are unsuitable too high or too low.Different times has different requirements to temperature, helps to survive when generally remaining on 35-40 ℃, but can not be above 42 ℃.
3. the relation of diameter of stock and scion number and survival rate
The different required scion numbers of the diameter of stock are also different, but the stock of general diameter 3-6cm connects 2 scion the same period; But 6cm connects 3-4 scion the above same period.The survival rate and the growth rate that how much influence trees after the grafting of scion, so should select suitable scion number according to the size of stock during grafting.
4. sprout the relation of branch retention time and survival rate
As seen from Figure 2: remove the branch of sprouting on the stock then behind the grafting survival immediately, the innovation bar of grafting is almost all dead; The survival rate of Qu Chuing is about 70% then; 1 year clear and bright preceding rudiment branch of removing, newborn branch all survives and grows vigorous.Do not remove the rudiment branch second and third year to survival rate influence little (annotate: survey data is for repeating mean value).
Claims (10)
1. high the cutting of oil tea young sprout changed excellent method, comprises selection and the sawed-off major branch of the big tree of oil tea; The fringe bar is gathered and storage; Grafting; Book aluminium flake hoop is pricked; The sunshade of preserving moisture; Steps such as final-period management is characterized in that: giving birth to semi-lignified branch then with the breeding oil tea is scion, is stock with the sawed-off semi-lignified branch of the new hair tonic of major branch afterwards of the big tree of healthy and strong oil tea, to split the grafting of anvil method.
2. high the cutting of a kind of oil tea young sprout according to claim 1 changed excellent method, and it is characterized in that: the sawed-off time of the big tree major branch of oil tea is the annual 2-4 month or the 7-8 month, Best Times wherein be behind the Chinese lunar calendar rainwater to the Spring Equinox.
3. the high excellent method of changing of cutting of a kind of oil tea young sprout according to claim 1, it is characterized in that: anvil fringe grafting time with the end of spring and the beginning of summer and autumn late summer at the beginning of grafting be advisable, but all graftings of May to June and mid-August to early September, best grafting time wherein is that late May is to mid-June.
4. the high excellent method of changing of cutting of a kind of oil tea young sprout according to claim 1, it is characterized in that: after anvil fringe grafting part is pricked with book aluminium flake hoop, cover last 14 * 20 centimetres plastic bag sealing immediately with acquisition heat and moisture preserving effect, and wrap up at the plastic sack skin with cover from sun.
5. high the cutting of a kind of oil tea young sprout according to claim 4 changed excellent method, it is characterized in that: during June anvil fringe grafting, cover from sun press east-west direction and is wrapped up; During other anvil fringe grafting, cover from sun is by the North and South direction wrapping in month.
6. high the cutting of a kind of oil tea young sprout according to claim 1 changed excellent method, it is characterized in that: the poison pen with insect-pest after the grafting is drawn complete turn around major branch under cover from sun.
7. high the cutting of a kind of oil tea young sprout according to claim 1 changed excellent method, it is characterized in that: when green, the time-division is removed the plastic sack that is used for heat and moisture preserving to the fringe bar between the lights by red stain after the grafting.
8. high the cutting of a kind of oil tea young sprout according to claim 1 changed excellent method, it is characterized in that: when young sprout reaches 6 centimetres of left and right sides length after the grafting, throw off cover from sun.
9. high the cutting of a kind of oil tea young sprout according to claim 1 changed excellent method, it is characterized in that: removed the rudiment branch of growing on the stock before 1 year Ching Ming Festival behind the breeding fringe bar grafting survival.
10. high the cutting of a kind of oil tea young sprout according to claim 1 changed excellent method, and it is characterized in that: other branch that does not carry out grafting on the stock was removed after two, three years successively.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103262756A (en) * | 2013-06-04 | 2013-08-28 | 句容市张庙茶场 | Tea tree grafting seed changing method |
| CN103518548A (en) * | 2013-10-21 | 2014-01-22 | 桂林市林业科学研究所 | Camellia oleifera large tree shoot grafting method |
| CN104303770A (en) * | 2014-10-13 | 2015-01-28 | 金华市永根杜鹃花培育有限公司 | Seedling scion grafting method |
| CN105018635A (en) * | 2015-08-18 | 2015-11-04 | 大连民族大学 | Molecular recognition method for rootstock-scion combination and selection in efficient old tea-oil tree and camellia grafting |
| CN105010083A (en) * | 2015-08-11 | 2015-11-04 | 黄振忠 | Transformation method for low-yield Camellia oleifera Abel forests |
| CN105557321A (en) * | 2016-01-05 | 2016-05-11 | 盛泰嘉业（陕西）生态资源有限责任公司 | Grafting method for top grafting of oil-tea camellias |
| CN106489551A (en) * | 2016-10-19 | 2017-03-15 | 莱州市宏顺梅花种植科技有限公司 | A kind of engrafting method of rich rear prunus mume (sieb.) sieb.et zucc. |
| CN106888814A (en) * | 2017-02-22 | 2017-06-27 | 刘四黑 | High section of oil tea changes hat combination engrafting method |
| CN107251763A (en) * | 2017-06-26 | 2017-10-17 | 玉屏侗族自治县油茶产业发展领导小组办公室 | A kind of high cutting strunk anvil of oil tea changes kind of an engrafting method |
| CN107466686A (en) * | 2017-09-28 | 2017-12-15 | 重庆市林业科学研究院 | A kind of disconnected anvil cleft grafting Cultivating techniques of safflower oil tea |
| CN110226424A (en) * | 2019-07-25 | 2019-09-13 | 中国林业科学研究院亚热带林业研究所 | A kind of oil tea grafting of tender branch method |
| CN110622815A (en) * | 2019-10-14 | 2019-12-31 | 广西壮族自治区林业科学研究院 | Method for cultivating camellia miniascape by two-step grafting method of camellia oleifera tree root |
| CN111937610A (en) * | 2020-08-05 | 2020-11-17 | 信阳农林学院 | Grafting method for camellia oleifera trees |
| CN116034750A (en) * | 2022-04-27 | 2023-05-02 | 中南林业科技大学 | Method for high grafting and seed changing of oil tea |
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| CN103262756A (en) * | 2013-06-04 | 2013-08-28 | 句容市张庙茶场 | Tea tree grafting seed changing method |
| CN103518548A (en) * | 2013-10-21 | 2014-01-22 | 桂林市林业科学研究所 | Camellia oleifera large tree shoot grafting method |
| CN104303770A (en) * | 2014-10-13 | 2015-01-28 | 金华市永根杜鹃花培育有限公司 | Seedling scion grafting method |
| CN105010083A (en) * | 2015-08-11 | 2015-11-04 | 黄振忠 | Transformation method for low-yield Camellia oleifera Abel forests |
| CN105018635B (en) * | 2015-08-18 | 2018-03-16 | 大连民族大学 | A kind of Molecular identification methods of the efficient grafting camellia Stockscion combination apolegamy of old tea oil tree |
| CN105018635A (en) * | 2015-08-18 | 2015-11-04 | 大连民族大学 | Molecular recognition method for rootstock-scion combination and selection in efficient old tea-oil tree and camellia grafting |
| CN105557321A (en) * | 2016-01-05 | 2016-05-11 | 盛泰嘉业（陕西）生态资源有限责任公司 | Grafting method for top grafting of oil-tea camellias |
| CN106489551A (en) * | 2016-10-19 | 2017-03-15 | 莱州市宏顺梅花种植科技有限公司 | A kind of engrafting method of rich rear prunus mume (sieb.) sieb.et zucc. |
| CN106888814A (en) * | 2017-02-22 | 2017-06-27 | 刘四黑 | High section of oil tea changes hat combination engrafting method |
| CN107251763A (en) * | 2017-06-26 | 2017-10-17 | 玉屏侗族自治县油茶产业发展领导小组办公室 | A kind of high cutting strunk anvil of oil tea changes kind of an engrafting method |
| CN107466686A (en) * | 2017-09-28 | 2017-12-15 | 重庆市林业科学研究院 | A kind of disconnected anvil cleft grafting Cultivating techniques of safflower oil tea |
| CN110226424A (en) * | 2019-07-25 | 2019-09-13 | 中国林业科学研究院亚热带林业研究所 | A kind of oil tea grafting of tender branch method |
| CN110622815A (en) * | 2019-10-14 | 2019-12-31 | 广西壮族自治区林业科学研究院 | Method for cultivating camellia miniascape by two-step grafting method of camellia oleifera tree root |
| CN111937610A (en) * | 2020-08-05 | 2020-11-17 | 信阳农林学院 | Grafting method for camellia oleifera trees |
| CN116034750A (en) * | 2022-04-27 | 2023-05-02 | 中南林业科技大学 | Method for high grafting and seed changing of oil tea |
| CN116034750B (en) * | 2022-04-27 | 2024-06-18 | 中南林业科技大学 | Method for high grafting and seed changing of oil tea |
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Application publication date: 20111228 |