CN105409602A - Reproduction method for grafting Quercus acutissima Carruth container seedlings on Lithocarpus elmerrillii - Google Patents
Reproduction method for grafting Quercus acutissima Carruth container seedlings on Lithocarpus elmerrillii Download PDFInfo
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- CN105409602A CN105409602A CN201510871498.3A CN201510871498A CN105409602A CN 105409602 A CN105409602 A CN 105409602A CN 201510871498 A CN201510871498 A CN 201510871498A CN 105409602 A CN105409602 A CN 105409602A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G2/00—Vegetative propagation
- A01G2/30—Grafting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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Abstract
The invention discloses a reproduction method for grafting Quercus acutissima Carruth container seedlings on Lithocarpus elmerrillii. The reproduction method comprises the working procedures of scion collecting, grafting time management, grafting and management after grafting, and comprises the following steps: selecting Quercus acutissima Carruth container seedlings as rootstocks; shearing robust semi-lignified or lignified branches without diseases or insect pests as scions from a seed tree of the Lithocarpus elmerrillii; grafting by using a cut-grafting method; and managing after grafting, wherein the Lithocarpus elmerrillii grafted seedlings obtained in the spring of the next year can be transplanted from a garden and then planted in a forest. The reproduction method is a breakthrough of an asexual reproduction technology for the Lithocarpus elmerrillii, grafting and reproduction are implemented by the Quercus acutissima Carruth rootstock, a large number of Quercus acutissima Carruth container seedlings with excellent economic characters of a female parent can be quickly reproduced, and root systems of the seedlings are developed; and owing to the advantage of the Quercus acutissima Carruth rootstock with relatively high adaptive capacity on natural environments such as drought, wetness and coldness, the scions of the Lithocarpus elmerrillii seedlings can be quickly healed with the rootstock and new shoots can germinate, the newly germinated shoots grow rapidly, high-quality, efficient and quick development of the Lithocarpus elmerrillii is promoted, and better economic benefit, social benefit and ecological benefit are obtained.
Description
Technical field
The invention belongs to technical field of plant asexual propagation, relate to the propagation method of a kind of Wanning Ke's grafting Quercus acutissima container seedling.
Background technology
Wanning Ke (
lithocarpuselmerrillii), be Fagaceae (Fagaceae) Lithocarpus (Lithocarpus) arbor, up to 25 meters, current growth has longitudinal furrow rib, without hair, and crineous after dry, 2 or 3 years scattered canescence hole skins of raw branch, perula semicircle or wealthy triangle are glossy glossy after dry.The thin keratin of leaf, oblong or the rare shape of falling ovum ellipse, long 10-17 centimetre, wide 3-6 centimetre, top is gradually sharp, and base portion is long and narrow point gradually, along the downward near base portion of petiole, Quan Yuan, lateral vein every limit 9-12 bar, upwards disappear at sharp turn, nearly leaf margin place, offshoot is very thin, blade back has the wax squama layer of consolidation, is with canescence after dry; The long 2-2.5 centimetre of petiole.Female flower single is scattered on rhachis; The thick 6-7 millimeter of infructescence axle, acorn-cup consor in the top of infructescence axle, shallow bowl type, high 6-10 millimeter, wide 17-25 millimeter, top is very thin, gradually lower portion obviously thickens, wooden, and base portion is narrow, in very short handle, enclose nut base portion, bractlet triangle, be close to shell wall, the imbricate arrangement on top, very little, the usual adhesion of bottom is circlewise; The nearly spheroidal of nut and top is sharp, or be oblate, high 20-25 millimeter, high 25-30 millimeter, without hair, Chestnut, has longitudinal crack when knowing well, and bottom areola is positioned at, deeply about 2 millimeters, footpath 14-16 millimeter, Guo Bi top is thick reaches 2.5 millimeters.The fruit phase 9-10 month.Produce the middle and south, Hainan (hanging Luoshan).Be born in height above sea level 500-750 rice evergreen broad-leaved forest.
Quercus acutissima (QuercusacutissimaCarruth) has another name called Qinggang, rubber Bowl sets, and be that Fagaceae (Fagaceae) oak belongs to (Quercus) arbor, up to 30 meters, the diameter of a cross-section of a tree trunk 1.3 meters above the ground reaches 1 meter, the dark-grey brown of bark, dark lobe.Be born in the mountain region tailo of height above sea level 60-2200 rice, become small pieces pure forest or mixed forest, positive happiness light, happiness humid climate.Cold-resistant, drought-resistant barren, not water-fast wet, not Salt And Alkali Tolerance, moistening fertile deep, well-drained neutrality to subacidity sandy loam grows best, impeded drainage or chaor should not be planted.Mix with other seeds and hand over and can form good form, deep-rootedness, rudiment power is strong, but not resistance to transplanting.Antipollution, antidusting soil, wind loading rating are all stronger.Life-span is long, can reach 500 ~ 600 years.Produce the provinces and regions such as Liaoning, Hebei, Shanxi, Shandong, Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, Henan, Hubei, Hunan, Guangdong, Hainan, Guangxi, Sichuan, Guizhou, Yunnan.
At present, Wanning Ke's resource is still in wild distribution, but along with keeping the demand of Plant Diversity, large-scale artificial cultivation Wanning Ke's resource is imperative.Because Wanning Ke's seed belongs to hardseed, have several factors to cause seed germination success rate low in natural germination process, the reduction of resource is not supported in the sprouting naturally of seed far away.And the Wanning Ke's percentage of seedgermination without any hormone agents process in traditional mode of production often only has about 50%, and germinating time evening, emerge irregular, limit the large-scale planting of Wanning Ke.
Summary of the invention
The invention provides a kind of characteristic of Quercus acutissima and Wanning Ke can being combined, obtain well developed root system, growth is fast, and survival rate is high, the propagation method of Wanning Ke's grafting Quercus acutissima container seedling of wide adaptability.
To achieve these goals, technical scheme of the present invention is as follows:
The propagation method of a kind of Wanning Ke's grafting Quercus acutissima container seedling, comprise the operation of scion collection, grafting time, grafting and managing after grafting, Quercus acutissima container seedling carpentery workshop is selected to be stock, from the healthy and strong semi-lignified without damage by disease and insect of Wanning Ke elite stand clip to lignification branch as scion, cut-grafting method is adopted to carry out grafting, carry out managing after grafting, the Wanning Ke grafting obtained to spring next year can go out garden afforestation; Concrete operation step is as follows:
(1) scion collection: from the healthy and strong semi-lignified without damage by disease and insect of Wanning Ke elite stand clip to lignification branch as scion; Blade of often opening on fringe bar cuts off half, and every 50 a bundles wrapping, carries out moisturizing with wet towel or plastic foil;
(2) grafting time: the four seasons all can carry out grafting;
(3) grafting: the Quercus acutissima container seedling nursery stock that leading thread is more than 0.3cm in garden, as stock, adopts cut-grafting method to carry out grafting;
(4) managing after grafting:
Take shed after grafting and cover overlay moisturizing, and cover sunshade net to nursery stock shading, keep canopy humidity 85 ~ 90%, after young sprout is extracted in scion out, open plastic film, the rudiment in time removing stock grown; After young sprout is aging, opens sunshade net gradually, under full light, cultivates grafting; Strengthen water and fertilizer management and the extermination of disease and insect pest seedling stage, stop fertilising, make the abundant lignification of grafting after entering the winter, the Wanning Ke grafting obtained to spring next year can go out garden afforestation.
Preferably, above-described stock breeding method is as follows:
(1) seedbed and container prepare: select leeward on the sunny side, the place of good water permeability builds seedbed, container for plant growth is filled Nutrition Soil, is neatly placed on seedbed, sow first 1 day and with the potassium permanganate that weight concentration is 0.2%, Nutrition Soil is carried out disinfection routinely;
(2) seed treatment: select common Quercus acutissima seed with Seed soaking 1 day before sowing, then is the carbendazim solution seed dressing of 0.2% by weight concentration, and covers plastic film and carry out desinsection, and then with wet husky stored seeds, volume ratio that is husky and seed is 2:1;
(3) sow: germinate February next year to April after seed storage vernalization, the seed of germination is taken out from wet sand sowing and cultivate stock in the container for plant growth filling Nutrition Soil, each container for plant growth sows 1, and 1 ~ 2cm is thick for surface cover Nutrition Soil;
(4) young anvil management: after planting regularly trickle moisturizing, nursery stock strengthens water and fertilizer management and the extermination of disease and insect pest after being unearthed, and Quercus acutissima seedling leading thread reaches more than 0.3cm and can be used for grafting.
Preferably, the formula of above-described Nutrition Soil by volume feed is: laterite: humus soil=1 ~ 2: 1; Described container for plant growth adopts the degradable nonwoven fabrics Seedling bag of 8 ~ 10cm × 15 ~ 20cm.
Preferably, above-described water and fertilizer management and the extermination of disease and insect pest, start fertilising after nursery stock is unearthed 20 days, based on the aqueous solution of conventional composite fertilizer, every weeding in 15 days and fertilising 1 time, the weight concentration spraying composite fertilizer for the 1st time is 0.5%, and weight concentration of applying fertilizer subsequently is increased to 1.5% gradually; Frequent trickle keeps Nutrition Soil moistening, monthly adds water 800 times with the trichlorphon original powder of weight concentration 90% and sprays pest control.
Preferably, first the grafting of above-described cut-grafting method is cutting off stock from stock base portion 10 ~ 12cm place with secateurs, vertically cut with the cross section of grafting knife at stock, the degree of depth reaches 1.5cm, then fringe bar is cut into the long scion remaining with 1 ~ 2 bud of 3 ~ 4cm, angle at 45 ° is all cut at scion two ends, angle at 45 ° is only cut in lower end by the top tip, the wound face that a 1.5cm is long is cut in the long face of scion lower end, cut the degree of depth and reach xylem, in the otch of rapid insertion stock, scion is alignd mutually with the formation layer of stock, binds with plastic film tape.
Relative to prior art, the advantage that the present invention has and good effect as follows:
1, the present invention is the once breakthrough of Wanning Ke's vegetative propagation technique, utilizes Quercus acutissima stock to carry out propagation by grafiting, and a large amount of Fast-propagation maintains the Quercus acutissima container seedling nursery stock of maternal excellent economic characters, and seedling root is flourishing; Wanning Ke Mu seedling relies on stock Quercus acutissima to the advantageous feature of the stronger adaptive capacity of the natural environment such as non-irrigated, wet, cold, and fringe bar is with stock energy quickly-healing and sprout young sprout, and the young sprout of sprouting grows rapid.
2, the present invention selects Quercus acutissima as stock, and cultivates with carrying out garden, the good characteristics such as Quercus acutissima plant strain growth is rapid, strong, and well developed root system has branch many, and rudiment power is strong, and ground, garden convenient management, simple to operate, survival rate is high.
3, cost of the present invention is low, simple to operate, expands soon numerous, reproduction coefficient is high, and Wanning Ke nursery stock quantity of acquisition is large, and survival rate is high, and be applicable to downgrading intensive cultivation, promote Wanning Ke's high-quality, efficient, fast-developing to there are good economic benefit, social benefit and ecological benefits.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1:
Select leeward on the sunny side, the place of good water permeability builds seedbed, container for plant growth is filled Nutrition Soil, is neatly placed on seedbed, sow first 1 day and with the potassium permanganate that weight concentration is 0.2%, Nutrition Soil is carried out disinfection routinely.Selecting common Quercus acutissima seed, with Seed soaking 1 day before sowing, then is the carbendazim solution seed dressing of 0.2% by weight concentration, and covers plastic film and carry out desinsection, and then with wet husky stored seeds, volume ratio that is husky and seed is 2:1.Germinate February next year to March after seed storage vernalization, the seed of germination is taken out from wet sand sowing and cultivate stock in the container for plant growth filling Nutrition Soil, each container for plant growth sows 1, and 1 ~ 2cm is thick for surface cover Nutrition Soil.Nutrition Soil by volume feed is: laterite: humus soil=1 ~ 2: 1 mix obtained.Described container for plant growth adopts the degradable nonwoven fabrics Seedling bag of 8cm × 15cm.After planting regularly trickle moisturizing, starts fertilising after nursery stock is unearthed 20 days, and based on the aqueous solution of conventional composite fertilizer, every weeding in 15 days and fertilising 1 time, the weight concentration spraying composite fertilizer for the 1st time is 0.5%, and weight concentration of applying fertilizer subsequently is increased to 1.5% gradually; Frequent trickle keeps Nutrition Soil moistening, monthly adds water 800 times with the trichlorphon original powder of weight concentration 90% and sprays pest control.Quercus acutissima seedling leading thread reaches more than 0.3cm and can be used for grafting.
Spring or summer, from the healthy and strong semi-lignified without damage by disease and insect of Wanning Ke elite stand clip to lignification branch as scion; Blade of often opening on fringe bar cuts off half, and every 50 a bundles wrapping, carries out moisturizing with wet towel or plastic foil.The Quercus acutissima seedling that leading thread is more than 0.3cm in garden, as stock, adopts cut-grafting method to carry out grafting.First the grafting of cut-grafting method is cutting off stock from stock base portion 10 ~ 12cm place with secateurs, vertically cut with the cross section of grafting knife at stock, the degree of depth reaches 1.5cm, then fringe bar is cut into the long scion remaining with 1 ~ 2 bud of 3 ~ 4cm, angle at 45 ° is all cut at scion two ends, angle at 45 ° is only cut in lower end by the top tip, the wound face that a 1.5cm is long is cut in the long face of scion lower end, cut the degree of depth and reach xylem, in the otch of rapid insertion stock, scion is alignd mutually with the formation layer of stock, binds with plastic film tape.Take shed after grafting and cover overlay moisturizing, and cover sunshade net to nursery stock shading, keep canopy humidity 85 ~ 90%, after young sprout is extracted in scion out, open plastic film, the rudiment in time removing stock grown; After young sprout is aging, opens sunshade net gradually, under full light, cultivates grafting; Nursery stock is unearthed and starts fertilising after 20 days, and based on the aqueous solution of conventional composite fertilizer, every weeding in 15 days and fertilising 1 time, the weight concentration spraying composite fertilizer for the 1st time is 0.5%, and weight concentration of applying fertilizer subsequently is increased to 1.5% gradually; Frequent trickle keeps Nutrition Soil moistening, monthly adds water 800 times with the trichlorphon original powder of weight concentration 90% and sprays pest control, stops fertilising, make the abundant lignification of grafting after entering the winter, and the Wanning Ke grafting obtained to spring next year can go out garden afforestation.
Embodiment 2:
Select leeward on the sunny side, the place of good water permeability builds seedbed, container for plant growth is filled Nutrition Soil, is neatly placed on seedbed, sow first 1 day and with the potassium permanganate that weight concentration is 0.2%, Nutrition Soil is carried out disinfection routinely.Selecting common Quercus acutissima seed, with Seed soaking 1 day before sowing, then is the carbendazim solution seed dressing of 0.2% by weight concentration, and covers plastic film and carry out desinsection, and then with wet husky stored seeds, volume ratio that is husky and seed is 2:1.Germinate March next year to April after seed storage vernalization, the seed of germination is taken out from wet sand sowing and cultivate stock in the container for plant growth filling Nutrition Soil, each container for plant growth sows 1, and 1 ~ 2cm is thick for surface cover Nutrition Soil.Nutrition Soil by volume feed is: laterite: humus soil=2: 1 mix obtained.Described container for plant growth adopts the degradable nonwoven fabrics Seedling bag of 10cm × 20cm.After planting regularly trickle moisturizing, starts fertilising after nursery stock is unearthed 20 days, and based on the aqueous solution of conventional composite fertilizer, every weeding in 15 days and fertilising 1 time, the weight concentration spraying composite fertilizer for the 1st time is 0.5%, and weight concentration of applying fertilizer subsequently is increased to 1.5% gradually; Frequent trickle keeps Nutrition Soil moistening, monthly adds water 800 times with the trichlorphon original powder of weight concentration 90% and sprays pest control.Quercus acutissima seedling leading thread reaches more than 0.3cm and can be used for grafting.
Autumn or winter, from the healthy and strong semi-lignified without damage by disease and insect of Wanning Ke elite stand clip to lignification branch as scion; Blade of often opening on fringe bar cuts off half, and every 50 a bundles wrapping, carries out moisturizing with plastic foil.The Quercus acutissima seedling that leading thread is more than 0.3cm in garden, as stock, adopts cut-grafting method to carry out grafting.First the grafting of cut-grafting method is cutting off stock from stock base portion 10 ~ 12cm place with secateurs, vertically cut with the cross section of grafting knife at stock, the degree of depth reaches 1.5cm, then fringe bar is cut into the long scion remaining with 1 ~ 2 bud of 3 ~ 4cm, angle at 45 ° is all cut at scion two ends, angle at 45 ° is only cut in lower end by the top tip, the wound face that a 1.5cm is long is cut in the long face of scion lower end, cut the degree of depth and reach xylem, in the otch of rapid insertion stock, scion is alignd mutually with the formation layer of stock, binds with plastic film tape.Take shed after grafting and cover overlay moisturizing, and cover sunshade net to nursery stock shading, keep canopy humidity 85 ~ 90%, after young sprout is extracted in scion out, open plastic film, the rudiment in time removing stock grown; After young sprout is aging, opens sunshade net gradually, under full light, cultivates grafting; Nursery stock is unearthed and starts fertilising after 20 days, and based on the aqueous solution of conventional composite fertilizer, every weeding in 15 days and fertilising 1 time, the weight concentration spraying composite fertilizer for the 1st time is 0.5%, and weight concentration of applying fertilizer subsequently is increased to 1.5% gradually; Frequent trickle keeps Nutrition Soil moistening, monthly adds water 800 times with the trichlorphon original powder of weight concentration 90% and sprays pest control, stops fertilising, make the abundant lignification of grafting after entering the winter, and the Wanning Ke grafting obtained to spring next year can go out garden afforestation.
Claims (5)
1. the propagation method of Wanning Ke's grafting Quercus acutissima container seedling, it is characterized in that: the operation comprising scion collection, grafting time, grafting and managing after grafting, Quercus acutissima container seedling carpentery workshop is selected to be stock, from the healthy and strong semi-lignified without damage by disease and insect of Wanning Ke elite stand clip to lignification branch as scion, cut-grafting method is adopted to carry out grafting, carry out managing after grafting, the Wanning Ke grafting obtained to spring next year can go out garden afforestation; Concrete operation step is as follows:
(1) scion collection: from the healthy and strong semi-lignified without damage by disease and insect of Wanning Ke elite stand clip to lignification branch as scion; Blade of often opening on fringe bar cuts off half, and every 50 a bundles wrapping, carries out moisturizing with wet towel or plastic foil;
(2) grafting time: the four seasons all can carry out grafting;
(3) grafting: the Quercus acutissima container seedling nursery stock that leading thread is more than 0.3cm in garden, as stock, adopts cut-grafting method to carry out grafting;
(4) managing after grafting:
Take shed after grafting and cover overlay moisturizing, and cover sunshade net to nursery stock shading, keep canopy humidity 85 ~ 90%, after young sprout is extracted in scion out, open plastic film, the rudiment in time removing stock grown; After young sprout is aging, opens sunshade net gradually, under full light, cultivates grafting; Strengthen water and fertilizer management and the extermination of disease and insect pest seedling stage, stop fertilising, make the abundant lignification of grafting after entering the winter, the Wanning Ke grafting obtained to spring next year can go out garden afforestation.
2. the propagation method of Wanning Ke's grafting Quercus acutissima container seedling according to claim 1, is characterized in that: described stock breeding method is as follows:
(1) seedbed and container prepare: select leeward on the sunny side, the place of good water permeability builds seedbed, container for plant growth is filled Nutrition Soil, is neatly placed on seedbed, sow first 1 day and with the potassium permanganate that weight concentration is 0.2%, Nutrition Soil is carried out disinfection routinely;
(2) seed treatment: select common Quercus acutissima seed with Seed soaking 1 day before sowing, then is the carbendazim solution seed dressing of 0.2% by weight concentration, and covers plastic film and carry out desinsection, and then with wet husky stored seeds, volume ratio that is husky and seed is 2:1;
(3) sow: germinate February next year to April after seed storage vernalization, the seed of germination is taken out from wet sand sowing and cultivate stock in the container for plant growth filling Nutrition Soil, each container for plant growth sows 1, and 1 ~ 2cm is thick for surface cover Nutrition Soil;
(4) young anvil management: after planting regularly trickle moisturizing, nursery stock strengthens water and fertilizer management and the extermination of disease and insect pest after being unearthed, and Quercus acutissima seedling leading thread reaches more than 0.3cm and can be used for grafting.
3. the propagation method of Wanning Ke's grafting Quercus acutissima container seedling according to claim 2, is characterized in that: the formula of described Nutrition Soil by volume feed is: laterite: humus soil=1 ~ 2: 1; Described container for plant growth adopts the degradable nonwoven fabrics Seedling bag of 8 ~ 10cm × 15 ~ 20cm.
4. according to the propagation method of the arbitrary described Wanning Ke's grafting Quercus acutissima container seedling of claim 1 or 2, it is characterized in that: described water and fertilizer management and the extermination of disease and insect pest, fertilising is started after nursery stock is unearthed 20 days, based on the aqueous solution of conventional composite fertilizer, every weeding in 15 days and fertilising 1 time, the weight concentration spraying composite fertilizer for 1st time is 0.5%, and weight concentration of applying fertilizer subsequently is increased to 1.5% gradually; Frequent trickle keeps Nutrition Soil moistening, monthly adds water 800 times with the trichlorphon original powder of weight concentration 90% and sprays pest control.
5. the propagation method of Wanning Ke's grafting Quercus acutissima container seedling according to claim 1, it is characterized in that: first described cut-grafting method grafting is cutting off stock from stock base portion 10 ~ 12cm place with secateurs, vertically cut with the cross section of grafting knife at stock, the degree of depth reaches 1.5cm, then fringe bar is cut into the long scion remaining with 1 ~ 2 bud of 3 ~ 4cm, angle at 45 ° is all cut at scion two ends, angle at 45 ° is only cut in lower end by the top tip, the wound face that a 1.5cm is long is cut in the long face of scion lower end, cut the degree of depth and reach xylem, in the otch of rapid insertion stock, scion is alignd mutually with the formation layer of stock, bind with plastic film tape.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106472312A (en) * | 2016-10-17 | 2017-03-08 | 柳州三农科技有限公司 | A kind of Wanning Ke tissue culture explant acquisition methods |
| CN111386877A (en) * | 2020-04-07 | 2020-07-10 | 广西壮族自治区农业科学院 | Grafting method of Hongbaoshiqing pomelos |
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| CN1062260A (en) * | 1990-12-10 | 1992-07-01 | 刘维清 | The method of scion grafting of chestnut branch on oaks (cupule family) |
| CN103975739A (en) * | 2014-05-16 | 2014-08-13 | 广西壮族自治区林业科学研究院 | Propagation method of lithocarpus polysachyus rehd young stock grafting container-grown seedling |
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2015
- 2015-12-02 CN CN201510871498.3A patent/CN105409602A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062260A (en) * | 1990-12-10 | 1992-07-01 | 刘维清 | The method of scion grafting of chestnut branch on oaks (cupule family) |
| CN103975739A (en) * | 2014-05-16 | 2014-08-13 | 广西壮族自治区林业科学研究院 | Propagation method of lithocarpus polysachyus rehd young stock grafting container-grown seedling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106472312A (en) * | 2016-10-17 | 2017-03-08 | 柳州三农科技有限公司 | A kind of Wanning Ke tissue culture explant acquisition methods |
| CN111386877A (en) * | 2020-04-07 | 2020-07-10 | 广西壮族自治区农业科学院 | Grafting method of Hongbaoshiqing pomelos |
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