CN104206155B - A kind of breeding method of ginkgo greening seedling - Google Patents
A kind of breeding method of ginkgo greening seedling Download PDFInfo
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Abstract
The present invention relates to a kind of breeding method of ginkgo greening seedling, comprising: collect seed, seed treatment and storage, vernalization, nursery lot select and whole, sowing, weeding and loosen the soil, sunshade, topdress, Shi Chongfei, drought resisting, transplanting, transplant planting seeding row spacing, the step such as management greening seedling.The present invention is through practical proof, and large-scale cultivation goes out ginkgo greening seedling in enormous quantities and ginkgo treelet is used in greening, for urban construction cultivation ginkgo greening seedling and ginkgo greening-tree have made template model.
Description
Technical field
The present invention relates to a kind of breeding method of ginkgo greening seedling, belong to agriculture field.
Background technology
Ginkgo is commonly called as maidenhair tree, Gong Sunshu, duck's foot tree, also known as " living fossil ", is China second class protection plant, tree-like tall and big grandness, and in tower, branch is peculiar, spring and summer leaf dark green, and autumn final blage is golden yellow, has become the important species of China's main cities greening.Ginkgo greening seedling refers to the ginkgo sapling planted in garden, road and both sides, river course;
Prior art has problems more in cultivation ginkgo greening seedling, and disease is serious, and after planting, full garden planting percent is less than 30%, and nursery stock is thin and delicate in indivedual place, cultivates and does not all reach out garden field planting standard, cannot meet the needs of afforestation through 2 ~ 3 years;
Cultivate the process referring to adopt some tissue of seed or plant to cultivate into plant whole plant.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of breeding method of ginkgo greening seedling; the present invention is through practical proof; large-scale cultivation goes out ginkgo greening seedling in enormous quantities and ginkgo treelet is used in greening; for urban construction cultivation ginkgo greening seedling and ginkgo greening-tree have made template model, the present invention is specially adapted to the cultivation of each provinces, municipalities and autonomous regions ginkgo greening seedling on the south China the Changjiang river.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of breeding method of ginkgo greening seedling, comprising:
1, collect seed
Select containing embryo rate more than 80%, plant check figure and do seed collecting elite stand the plant in strong age of 400-600 grain/kg;
2, seed treatment and storage
Remove outer middle skin after planting real gathering, rinse well, shine 1 ~ 2 hour in the sun, remove broken fruit and foreign material, in the bag of loading bamboo basket or good permeability, being divided into every 25 ~ 30kg is one, preserves after 30 ~ 40 days at indoor storage with river sand again;
Described river sand storage for first totally to be sterilized by seed storage chamber clean, then is built into seed storage furrow with brick, then pads the river sand of one deck 7 ~ 8cm, sprinkle not overlapping for seed equably, the river sand of lid layer 4 ~ 5cm again, then sprinkle not overlapping for seed equably, the river sand of last lid layer 5cm;
3, vernalization
When temperature goes back up to 16 DEG C, the river sand clear water of seed storage furrow is drenched, plant when bud grows to 1 ~ 2cm, seed to be shifted out and be sowed at nursery;
4, nursery lot is selected and whole
Select leeward on the sunny side, have a good transport service, draining is good, and it is convenient to irrigate, and the soil is porous, fertile, deep, and nursery lot is made in the soil of pH value 5.5 ~ 6.5, ploughs deeply and passes the winter, and the beginning of spring turns over rake, cuts weeds and foreign material, then plays furrow, furrow face width 1m, long 7 ~ 10m, the wide 40cm of pavement;
5, sow
Furrow face whole good after, the base manure that first will become thoroughly decomposed imposes on furrow face, digs to mix thoroughly, and flatten furrow face, per hectare nursery lot executes the base manure 75000 ~ 90000kg that becomes thoroughly decomposed, when seed starts to sprout, by line-spacing 20cm, spacing in the rows 9 ~ 10cm bunch plating bud, every hm
2(hectare) sowing quantity is 600 ~ 750kg, removes radicle during sowing by disconnected for kind of bud;
6, weeding, to loosen the soil
Weeded with a hoe once at interval of 20 ~ 30 days;
7, sunshade
In sowing then, sunshade is taken, frame height 2m, sunshade rate 65%;
8, topdress
When nursery stock all grows native face, when side root starts to extend, topdress, topdressed once at interval of 15 ~ 20 days, the fertilizer topdressed is potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer, every hm
2execute the liquid manure liquid 11250kg of 0.5%, after fertilising, spray clear water cleans blade;
9, Shi Chongfei
In the ranks to ditch Shi Chongfei furrow face nursery stock, identical when fertilizer type, consumption and sowing, blinding immediately after fertilising, Second Year topdresses and is still undertaken by last year, and fertilizer amount is every hm
2execute the potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer liquid 11250kg of 0.7%.
10, drought resisting
Paddy field nursery in this way, pour water in the evening, and daytime drains, and pours water once, in this way upland nursery at interval of 3 ~ 4 days, when chance weather is too arid, except trickle, covers grass in the ranks in furrow face, keeps furrow face loose, moistening;
11, transplant
When nursery stock leading thread reaches more than 0.8cm, when seedling height reaches more than 60cm, namely transplant;
12, transplant planting seeding row spacing
Size depending on cultivating plant determines the seeding row spacing of transplant planting strain;
13, the management of greening seedling and greening-tree
(1) water and fertilizer management
7-10 days trickle in interval once, or uproots pine trunk base portion soil, and make the soil dish of turtleback shape, then cover weeds moisturizing, 13-15 days trickles once;
Annual fertilising 2 times, execute the mixture of potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer and farmyard manure for the first time, fertilization time is before rudiment, adopts the fertilising of bar ditch method; Second time executes potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer, and fertilization time is young sprout vegetative period, adopts radial canal method or annular groove method;
(2) tending management
Annual entirely cultivating is fostered once, and in maintenance woods, the soil is porous, without weedy throughout the year;
(3) extermination of disease and insect pest
The damage by disease and insect that spraying agent control ginkgo treelet occurs;
(4) tree crown integer
The shaping of ginkgo greening-tree, based on pyramidal crown, the clear bole height of tree crown remains on 1.2-1.5m, and tree crown branch is well-balanced, and crotch angle is at 40-60 °.
On the basis of technique scheme, the present invention can also do following improvement.
Further, in seed treatment and storage, the specification of described seed storage furrow is furrow face width 1m, high 22 ~ 25cm, long 6m, pavement 40cm.
Further, in sowing, described base manure weight ratio is burnt dust-ashes: paulownia bran flakes: night soil or water=100:(30 ~ 40): (30 ~ 40), first burnt dust-ashes and paulownia bran flakes are mixed thoroughly, add night soil or water again, the base manure heap mixed thoroughly is in heaps, then covers grass or plastic sheeting for farm use, stack retting 2 ~ 3 months, must become thoroughly decomposed base manure.
Further, in transplant planting seeding row spacing, as cultivated the plant of meter Jing (trunk diameter by ground to trunk 1 meter of position) 4 ~ 6cm, then line-spacing is 2.0m × 2.0m, as cultivated a meter plant of footpath 7 ~ 10cm, then line-spacing is 3.0m × 3.0m, and as cultivated the plant of rice footpath 15 ~ 20cm, then line-spacing is 5.0m × 5.0m or 6.0m × 5.5m;
The present invention's potassium sulfate type used nitrogen-phosphorus-potassium compound fertilizer is that German Shi Ma Chemical Group Co., Ltd is authorized, and Wuhan middle peasant International Trading Company Ltd commercially available prod, specification is: N15%, P
2o
515%, K
2o15%, total Yang Fen≤45%;
Effect of the present invention is:
(1) no matter seed size, seed are containing embryo rate height in ginkgo nursery for prior art, as long as gingko seeds just can nursery, result causes that planting percent is low, seedling quality is poor.The nursery stock that the present invention cultivates, not only outplanting rate is high, and nursery stock is sturdy, and plantation survival rate is high, it is fast to grow into forest;
(2) prior art ginkgo nursery not sunshade, nursery stock stem rot occurring and damage is serious, and the Seedlings of Ginkgo biloba cultivating 2 years is thin and delicate, and planting percent is only about 30%.The present invention after planting sets up sunshade immediately ginkgo, and the stem rot solving nursery stock is asked, the ginkgo seedling cultivated is sturdy, without damage by disease and insect;
(3) prior art cultivation ginkgo treelet does not consider density issue, scale cannot cultivate greening seedling in enormous quantities through changing.The present invention, according to the growth characteristics of silver tree, adopts different densities, nurtures the greening seedling of its different size;
(4) prior art cultivates the growth that ginkgo treelet does not consider shape of tree-crown, develops as one pleases, and the ginkgo treelet that result is cultivated is not suitable for greening seedling.The present invention, in cultivating seedlings process, prunes its tree crown, and rope pulls open tree crown, adjustment tree crown, becomes a strain high-quality, high-grade greening seedling or ginkgo treelet.
In a word, the beneficial effect that the invention provides a kind of breeding method of ginkgo greening seedling is:
One is set up sunshade, controls strong sun and is exposed to the sun and causes the generation of nursery stock stem rot;
Two is set up sunshade, keeps nursery lot soil property moistening, promotes seedling growth;
Three is strengthen fertilising, promotes seedling growth, improves outplanting rate;
Four is by different densities field planting, cultivates appropriate gauge greening seedling or greening treelet.
Embodiment
Be described principle of the present invention and feature below, example, only for explaining the present invention, is not intended to limit scope of the present invention.
The present invention's potassium sulfate type used nitrogen-phosphorus-potassium compound fertilizer is that German Shi Ma Chemical Group Co., Ltd is authorized, Wuhan middle peasant International Trading Company Ltd commercially available prod, and specification is: N15%, P2O515%, K2O15%, and total supporting divides≤45%;
Embodiment 1
In in December ,-2013 in September, 2010 tested by hazard prevention's forestry scientific research.
1, collect seed
Gingko seeds must maturity good, high containing embryo rate, planting core should be greatly unsuitable little.Generally in ginkgo maturing stage of Guilin in late August to mid-September, when ginkgo the real exocuticle of kind by faint yellow transfer to orange-yellow and have wrinkle time, be abundant maturation.Select containing embryo rate more than 80%, plant check figure and do seed collecting elite stand the plant in strong age of 400-600 grain/kg scope.
2, seed treatment and storage
Outer middle skin should be removed immediately after planting real gathering, repeatedly rinse well, then 1 ~ 2 hour is shone in the sun, plant core appearance indoor without regaining after moisture, remove broken fruit and foreign material, reinstall in the bag of bamboo basket or good permeability, being divided into every 25 ~ 30kg is one, preserves after 30 ~ 40 days at indoor storage with river sand again.
Seed storage room should ventilate moisturizing, light transmission condition good, without the plague of rats.After seed storage chamber clean is clean, the 800 times of liquid spraying disinfections of the carbendazim with 50%.Again clean river sand is transported into indoor, be built into the seed storage furrow of furrow face width 1m, high 22 ~ 25cm, long 6m, pavement 40cm with brick, after carrying out seed storage furrow, first pad the thick river sand of one deck 7 ~ 8cm, then seed is sprinkled equably, seed is unsuitable overlapping, then the river sand that lid layer 4 ~ 5cm is thick, then puts one deck seed, seed is still unsuitable overlapping, the last river sand that lid layer 5cm is thick again, i.e. two layers of seed, three layers of river sand.In the river sand humidity of duration of storage, be advisable with husky bed surface non-whitening (turn white and show too dry bath), see that husky bed surface river sand turns white and spray water in time, prevent excess moisture simultaneously and cause the mould evil idea of seed or temperature high advance germination.
3, vernalization
In late Febuary, 2011, when temperature goes back up to 16 DEG C, drenched by the river sand clear water of seed storage furrow, make Seed imbibes rudiment, mid-March, kind bud grew to 1 ~ 2cm, was shifted out by seed and was sowed at nursery to early March.
4, nursery lot is selected and whole
Nursery lot select on the sunny side leeward, have a good transport service, the soil is porous, fertile, deep, pH value 5.5 ~ 6.5, and draining is good, irrigates local easily.Rainy season, the nursery lot of ponding should not do ginkgo nursery.After selected nursery lot, carry out ploughing deeply passing the winter, make soil weathering.2 ~ March in 2011 carries out turning over rake, and Ex-all weeds and foreign material, then play furrow, furrow face width 1m, long 7 ~ 10m, the wide 40cm of pavement.
5, sow
Furrow face whole good after execute the base manure that becomes thoroughly decomposed, base manure material quality is than being burnt dust-ashes: paulownia bran flakes: night soil or water=100:(30 ~ 40): (30 ~ 40), first burnt dust-ashes and paulownia bran flakes are mixed thoroughly, add night soil or water again, the base manure heap mixed thoroughly is in heaps, then covers grass or plastic sheeting for farm use, stack retting 2 ~ 3 months, must be become thoroughly decomposed base manure, and this is made compost 11 ~ December in 2010, and in March, 2011 discharges base manure, smooth nursery lot.The per hectare nursery lot base manure consumption that becomes thoroughly decomposed is 75000 ~ 90000kg, and the base manure that first will become thoroughly decomposed imposes on furrow face, digs and mixes thoroughly, leveling furrow face.Mid-March, seed started to sprout, by line-spacing 20cm, and spacing in the rows 9 ~ 10cm bunch plating bud (every hm
2sowing quantity is 600 ~ 750kg), remove radicle by disconnected for kind of bud during sowing, be convenient to sprout side root, form flourishing root system.
6, weeding, to loosen the soil
In 5 ~ July, nursery lot weed growth is fast, should keep nursery lot loosing soil, without weeds, generally weed with a hoe once at interval of 20 ~ 30 days.
7, sunshade
Ginkgo should suitably sunshade when seedling, the First Year particularly sowed, and nursery stock is lignification not yet, and nursery stock base portion children is tender, and after being exposed to the sun by the sun, easily cause through rotten and cause blade atrophy, last nursery stock is dead.In the late April then of sowing, should cost sunshade immediately, frame height 2m, sunshade rate is 65%.
8, topdress
When nursery stock all grows native face, when side root starts to extend, topdress, topdressed once at interval of 15 ~ 20 days, the fertilizer topdressed is potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer, every hm
2execute the liquid manure liquid 11250kg of 0.5%, after fertilising, spray clear water cleans blade, should not topdress when temperature is high, the sun is large.
9, Shi Chongfei
In the ranks to ditch Shi Chongfei furrow face nursery stock, identical when fertilizer type, consumption and sowing, blinding immediately after fertilising, Second Year topdresses and is still undertaken by last year, and fertilizer amount is every hm
2execute the potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer liquid 11250kg of 0.7%.
10, drought resisting
Be in arid season 7 ~ November, must be noted that to keep nursery lot furrow face moistening, be beneficial to seedling growth, paddy field nursery in this way, pour water in the evening, and daytime drains, and depending on degree of drought, generally poured water once at interval of 3 ~ 4 days.Upland nursery in this way, when chance weather is too arid, except frequent trickle, covers grass in the ranks in furrow face, keeps furrow face loose, moistening.
11, transplant
Cultivate through the nurseries of 2 years, nursery stock leading thread reaches more than 0.8cm, and seedling height reaches more than 60cm, can transplant, and cultivates into greening and uses specification treelet;
12, transplant planting seeding row spacing
Field planting seeding row spacing, depending on cultivating the size of plant, as cultivated the plant of meter Jing at 4 ~ 6cm, then line-spacing is 2.0m × 2.0m, as cultivated the plant of meter Jing at 7 ~ 10cm, then line-spacing is 3.0m × 3.0m, and as cultivated the plant of meter Jing at 15 ~ 20cm, then line-spacing is 5.0m × 5.0m or 6.0m × 5.5m.
13, the management of greening seedling and greening-tree
(1) water and fertilizer management
South 8-10 month high temperature and drought, answers interval 7-10 days trickle once during this period, or hoe pine trunk base portion soil, and make the soil dish of turtleback shape, then cover weeds moisturizing, 13-15 days trickles once;
Annual fertilising 2 times, fertilization time is mid-February to mid-March (before rudiment) for the first time, this fertilising adopts the mixture of potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer and farmyard manure (farmyard manure refers to common weeds and the compost showing native retting), and fertilizing method adopts bar ditch method; Second time fertilization time is late April to mid-May (young sprout vegetative period), and this fertilizing method adopts radial canal method or annular groove method.Twice with fertile kind and fertilizer application amount respectively in table 1, table 2.
Table 1 first time fertilising fertile kind and fertilizer application amount unit: kg
The fertilising of table 2 second time fertile kind and fertilizer application amount unit: kg
(2) tending management
The annual 11-12 month entirely cultivates and fosters once, and 3-10 plants crops between the month, and as peanut, soya bean, corn, rape etc., in maintenance woods, the soil is porous, without weedy throughout the year.
(3) extermination of disease and insect pest
The disease that ginkgo treelet occurs mainly contains leaf blight, heap sand moth moth, chafer two worm one disease.Prevention and controls is as follows:
1. leaf blight prevention and controls: is spray 50% carbendazim, 800 times of liquid in disease or spray 70% mancozeb, 600 times of liquid early stage, and spray in interval 15-20 days once, is used in conjunction 2-3 time; In the morbidity later stage, blade starts to come off, and first jolting blade lands collection and burns, and then sprays quicklime: copper sulphate: the bordeaux mixture of water (weight ratio)=0.5:0.5:100.Two is get rid of garden internal water accumulation in time, and in maintenance garden, the soil is porous, and normal organic fertilizer, makes plant strain growth vigorous, strengthens the resistance against diseases of ginkgo.
2. heap sand moth moth prevention and controls: the 4-5 month sprays 2.5% decis 1000-1200 times liquid at position of causing harm, interval 5-7 days once, connect spray 2-3 time, or the worm hole of strain of causing harm is found in the leaf fall period of ginkgo, enter to eliminate the mature larva of surviving the winter with iron wire straight cutting or with 100 times of dichlorvos immersion cotton balls, fill in worm hole, then seal with earth.
3. chafer prevention and controls: when the 4-5 month, weather was sultry, observe between the lights, causes harm can carry out manual catching and killing if any minority chafer, namely spreads plastic sheeting for farm use, vibration tree crown in the below of plant of causing harm, and scarabs is seemingly-dead naturally to be fallen within plastic sheeting for farm use collects and burn.As serious can spraying 90% chlorophos, 1000 times of liquid at night or spray decis 1000-1200 times liquid of causing harm, within interval 4-5 days, once, be used in conjunction 2-3 time.
(4) tree crown integer
The shaping of ginkgo greening-tree, based on pyramidal crown, the clear bole height of tree crown remains on 1.2-1.5m, tree crown branch is well-balanced, and crotch angle, at 40-60 °, is drawn branch as indivedual branch less than 40 ° adopt and hangs the way of brick, stone, the crotch angle of adjustment trunk, forms pyramidal crown.
The present embodiment cultivated full garden planting percent 90% (if use prior art seed seedling-raising through 2 years, percentage of seedgermination is less than 50%, within 2 years, raw outplanting rate is only about 30%), wherein I and II seedling accounts for more than 70% (existing Cui's bud nursery, the I and II seedling of 2 years raw nursery stocks is only about 50%), all reach garden field planting standard (Guangxi Local standard, DB45/TO8.4-1997), meet the needs of afforestation.
One-level seedling refers to more than height of seedling 86cm, leading thread more than 1.21cm;
Secondary seedling refers to height of seedling 66-85cm, leading thread 0.96-1.2cm;
Three grades of seedlings refer to height of seedling 45-65cm, leading thread 0.7-0.95cm.
The present invention selects fully ripe per kilogram 400-600 grain, containing the Ginkgo Biloba Nut of embryo rate more than 80% as nursery seed, both saved seedling cost, the germination rate of seed can be improved again; The present invention adopts fertile soil, the soil is porous, ginkgo nursery is carried out in well-drained area, is the successful Optimal action of ginkgo nursery; The present invention adopts Cui's bud to break the ginkgo seeding and seedling raising method of radicle, and its nursery stock is sturdy, outplanting rate is high; The present invention adopts Cui's bud after planting, sets up sunshade immediately, is to prevent the pathogenetic Optimal action of nursery stock stem rot, is the key of ginkgo nursery success or failure.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a breeding method for ginkgo greening seedling, is characterized in that, comprising:
1) collect seed
Select containing embryo rate more than 80%, plant check figure and do seed collecting elite stand the plant in strong age of 400-600 grain/kg;
2) seed treatment and storage
Remove outer middle skin after planting real gathering, rinse well, shine 1 ~ 2 hour in the sun, remove broken fruit and foreign material, in the bag of loading bamboo basket or good permeability, being divided into every 25 ~ 30kg is one, preserves after 30 ~ 40 days at indoor storage with river sand again;
Described river sand storage for first totally to be sterilized by seed storage chamber clean, then is built into seed storage furrow with brick, then pads the river sand of one deck 7 ~ 8cm, sprinkle not overlapping for seed equably, the river sand of lid layer 4 ~ 5cm again, then sprinkle not overlapping for seed equably, the river sand of last lid layer 5cm;
3) vernalization
When temperature goes back up to 16 DEG C, the river sand clear water of seed storage furrow is drenched, plant when bud grows to 1 ~ 2cm, seed to be shifted out and be sowed at nursery;
4) nursery lot is selected and whole
Select leeward on the sunny side, have a good transport service, draining is good, and it is convenient to irrigate, and the soil is porous, fertile, deep, and nursery lot is made in the soil of pH value 5.5 ~ 6.5, ploughs deeply and passes the winter, and the beginning of spring turns over rake, cuts weeds and foreign material, then plays furrow, furrow face width 1m, long 7 ~ 10m, the wide 40cm of pavement;
5) sow
Furrow face whole good after, the base manure that first will become thoroughly decomposed imposes on furrow face, digs to mix thoroughly, and flatten furrow face, per hectare nursery lot executes the base manure 75000 ~ 90000kg that becomes thoroughly decomposed, when seed starts to sprout, by line-spacing 20cm, spacing in the rows 9 ~ 10cm bunch plating bud, every hm
2sowing quantity is 600 ~ 750kg, removes radicle during sowing by disconnected for kind of bud;
6) weeding, to loosen the soil
Weeded with a hoe once at interval of 20 ~ 30 days;
7) sunshade
In sowing then, sunshade is taken, frame height 2m, sunshade rate 65%;
8) topdress
When nursery stock all grows native face, when side root starts to extend, topdress, topdressed once at interval of 15 ~ 20 days, the fertilizer topdressed is potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer, every hm
2execute the liquid manure liquid 11250kg of 0.5%, after fertilising, spray clear water cleans blade;
9) Shi Chongfei
In the ranks to ditch Shi Chongfei furrow face nursery stock, identical when fertilizer type, consumption and sowing, blinding immediately after fertilising, Second Year topdresses and is still undertaken by last year, and fertilizer amount is every hm
2execute the potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer liquid 11250kg of 0.7%;
10) drought resisting
Paddy field nursery in this way, pour water in the evening, and daytime drains, and pours water once, in this way upland nursery at interval of 3 ~ 4 days, when chance weather is too arid, except trickle, covers grass in the ranks in furrow face, keeps furrow face loose, moistening;
11) transplant
When nursery stock leading thread reaches more than 0.8cm, when seedling height reaches more than 60cm, namely transplant;
12) transplant planting seeding row spacing
Size depending on cultivating plant determines the seeding row spacing of transplant planting strain;
13) greening seedling is managed
(1) water and fertilizer management
7-10 days trickle in interval once, or uproots pine trunk base portion soil, and make the soil dish of turtleback shape, then cover weeds moisturizing, 13-15 days trickles once;
Annual fertilising 2 times, execute the mixture of potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer and farmyard manure for the first time, fertilization time is before rudiment, adopts the fertilising of bar ditch method; Second time executes potassium sulfate type nitrogen-phosphorus-potassium compound fertilizer, and fertilization time is young sprout vegetative period, adopts radial canal method or annular groove method;
(2) tending management
Annual entirely cultivating is fostered once, and in maintenance woods, the soil is porous, without weedy throughout the year;
(3) extermination of disease and insect pest
The damage by disease and insect that spraying agent control ginkgo treelet occurs;
(4) tree crown integer
The shaping of ginkgo greening-tree, based on pyramidal crown, the clear bole height of tree crown remains on 1.2-1.5m, and tree crown branch is well-balanced, and crotch angle is at 40-60 °.
2. breeding method according to claim 1, is characterized in that, in seed treatment and storage, the specification of described seed storage furrow is furrow face width 1m, high 22 ~ 25cm, long 6m, pavement 40cm.
3. breeding method according to claim 1, it is characterized in that, in sowing, described base manure raw material composition weight ratio of becoming thoroughly decomposed is burnt dust-ashes: paulownia bran flakes: night soil or water=100:(30 ~ 40): (30 ~ 40), first burnt dust-ashes and paulownia bran flakes are mixed thoroughly, then add night soil or water, the base manure heap mixed thoroughly is in heaps, cover grass or plastic sheeting for farm use again, stack retting 2 ~ 3 months, must become thoroughly decomposed base manure.
4. breeding method according to claim 1, it is characterized in that, in transplant planting seeding row spacing, as cultivated a meter plant of footpath 4 ~ 6cm, then line-spacing is 2.0m × 2.0m, and as cultivated the plant of rice footpath 7 ~ 10cm, then line-spacing is 3.0m × 3.0m, as cultivated a meter plant of footpath 15 ~ 20cm, then line-spacing is 5.0m × 5.0m or 6.0m × 5.5m.
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| CN104025988B (en) * | 2014-06-25 | 2016-05-11 | 金寨县冠友盆景园艺有限公司 | A kind of ginkgo plant soil-less culturing method |
| CN104855219A (en) * | 2015-05-20 | 2015-08-26 | 湖南然润堂中药材种植科技开发有限公司 | Dwarf and close planting method for gingko |
| CN105494001A (en) * | 2015-12-10 | 2016-04-20 | 四川喜亚动物药业有限公司 | Gingko planting method |
| CN105557440A (en) * | 2016-01-27 | 2016-05-11 | 苏州星火园艺科技开发中心 | Gingko planting method |
| CN106386053A (en) * | 2016-08-31 | 2017-02-15 | 金寨县劲春银杏树种植专业合作社 | Method for interplanting seedling culture of gingko and sorghum |
| CN107912202A (en) * | 2016-10-10 | 2018-04-17 | 四川上善银杏农业开发有限公司 | A kind of breeding method of Leaf-harvesting Ginkgo seedling |
| CN107567908A (en) * | 2017-08-11 | 2018-01-12 | 江苏苏林嘉和农业科技有限公司 | A kind of implantation methods of gingko |
| CN107494154A (en) * | 2017-09-28 | 2017-12-22 | 昭平县全盛农业科技发展有限责任公司 | A kind of breeding method of ginkgo seedling |
| CN107711265A (en) * | 2017-11-23 | 2018-02-23 | 昭平县全盛农业科技发展有限责任公司 | A kind of breeding method of sapling |
| CN109169000A (en) * | 2018-08-15 | 2019-01-11 | 山东兴润园林生态股份有限公司 | A kind of Gardens are efficiently survived cultural method |
| CN114027080A (en) * | 2021-11-05 | 2022-02-11 | 宁夏霄霞生态科技股份有限公司 | Ground cover seedling tortoise back type planting construction method |
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| CN1631092B (en) * | 2004-12-29 | 2010-06-09 | 陆静梅 | South-north transfer method for ginkgo-tree |
| KR101071145B1 (en) * | 2008-11-10 | 2011-10-10 | 대한민국 | Cultivation method for seedling of Illicium religiosum Sibe. et Zucc |
| CN102165883A (en) * | 2010-02-25 | 2011-08-31 | 上海信谊百路达药业有限公司 | Seeding and seedling growing method of gingkoes |
| CN102318486B (en) * | 2011-08-09 | 2013-02-13 | 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 |
| CN103563623A (en) * | 2013-10-14 | 2014-02-12 | 合肥绿叶园林工程有限责任公司 | Ginkgo seedling planting cultivation method |
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