CN105165518A - Clonal tea tree breeding method - Google Patents

Clonal tea tree breeding method Download PDF

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Publication number
CN105165518A
CN105165518A CN201510485980.3A CN201510485980A CN105165518A CN 105165518 A CN105165518 A CN 105165518A CN 201510485980 A CN201510485980 A CN 201510485980A CN 105165518 A CN105165518 A CN 105165518A
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cuttage
film
mating system
water
described operation
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CN201510485980.3A
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Inventor
李继多
李场生
朱国强
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Experiment Tea Plantation Tunxi Anhui Province
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Experiment Tea Plantation Tunxi Anhui Province
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Priority to CN201510485980.3A priority Critical patent/CN105165518A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005Cultivation methods

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  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Fertilizers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention mainly aims to provide a clonal tea tree breeding method comprising the following steps: a, selecting a garden; b, trenching and grooving; c, cutting and seedling growing; d, nursery garden management; tea seedling using the seedling growing method is high in cutting survival rate, and breeding inherent characteristics can be well kept, so progeny properties are consistent, breeding period and growth vigor are tidy, and new shoot size, shoot tenderness0keeping ability and colors are close; subsequent mechanical tea harvesting is convenient, and primary processing technology can be standardized; the breeding method is simple, and easy to operate.

Description

Clonal cultivar mating system
Technical field
The present invention relates to the field of planting of tea tree, specifically relate to a kind of clonal cultivar mating system.
Background technology
Property system improved tea variety raising technology is mode of reproduction the most frequently used on current tea Culture.But pierre is another mode of reproduction, which, also known as nourishing and generating, is the breeding utilizing the nutrition organs such as the root of tea tree, stem, leaf, bud to carry out.Its advantage is not by the combination of both sexes cell, and can keep breeding inherent characteristic, characters of progenies is consistent; Breeding time and growing way are relatively neat, young sprout size, hold tender property and color and luster more close; Both be convenient to mechanized tea plucking, be conducive to again primary making process standardization.But existing clonal cultivar raising technology, the cuttage survival rate of tea shoot is on the low side, and this is the problem that tea tree planting technical staff needs to go to solve.
Summary of the invention
Main purpose of the present invention is to provide a kind of clonal cultivar mating system, and the tea cutting survival rate utilizing the method to breed is high, and management is simple, is easy to operation.
In order to realize foregoing invention object, the technical solution adopted in the present invention is: a kind of clonal cultivar mating system, comprises following operation:
A, select garden, the hillside of 10-30 °, fertile soil, loose, subacidity;
B, trench digging hang groove, and cake fertilizer, phosphate fertilizer, slag grass are mixed evenly and bestow in groove, earthing treats its slaking;
C, cuttage and seedling culture: 1. cut cladus bar and select brownish red, stay an intact leaf, a bud, length 3.5-4cm, and the angle of inclination of clip is 39-41 degree, and the mixed solution of clip root-inducing powder, alcohol, clear water soaks; 2. before cuttage, soil moisture is advisable with tack-free, inserts in soil, every mu of cuttage 20-22 ten thousand strain by cutting cladus bar by the line-spacing pulled; 3. to cuttage seeding spray medicine, cloudy canopy epiphragma is taken;
D, the management of garden, nursery: 1. keep ground moistening in film; 2. in Small plastic shed, maximum temperature can not more than 40 DEG C, the 3. spacious film ventilation of timing; 4. have during the skewer cuttage rooting of 85-95% and film on cloudy canopy is thrown off, apply fertilizer; 5. hardening.
The tea shoot cuttage survival rate of being bred by above-mentioned seedling-cultivating method is high, maintain breeding inherent characteristic well, characters of progenies is consistent, breeding time and growing way more neat, young sprout size, hold tender property and color and luster more close, be both convenient to subsequent mechanical and picked tea-leaves, be conducive to again primary making process standardization, this mating system is simple, is easy to operation.
Embodiment
A kind of clonal cultivar mating system, comprises following operation:
A, select garden, the hillside of 10-30 °, fertile soil, loose, subacidity, garden of building requires that land occupation condition is suitable for, and ecotope is excellent.
B, trench digging hang groove, and cake fertilizer, phosphate fertilizer, slag grass are mixed evenly and bestow in groove, earthing treats its slaking, is beneficial to the cuttage of branch after slaking.
C, cuttage and seedling culture: 1. cut cladus bar and select brownish red, stay an intact leaf, a bud, length 3.5-4cm, and the angle of inclination of clip is 39-41 degree, and the mixed solution of clip root-inducing powder, alcohol, clear water soaks; 2. before cuttage, soil moisture is advisable with tack-free, inserts in soil, every mu of cuttage 20-22 ten thousand strain by cutting cladus bar by the line-spacing pulled; 3. to cuttage seeding spray medicine, cloudy canopy epiphragma is taken;
If cut fringe branch length more than 4cm, Water Transportation difficulty, and easily contact cake fertilizer, cause clip to fester, if be shorter than 3.5cm, then nutrition is few, is unfavorable for taking root.The angle of inclination of clip is 39-41 degree, and such clip tangent plane is large, easily takes root, and is also conducive to cutting survival simultaneously.
D, the management of garden, nursery: 1. keep ground moistening in film; 2. in cloudy canopy, temperature is lower than 40 DEG C, and 3. timing opens film ventilation; 4. have during the skewer cuttage rooting of 85-95% and film on cloudy canopy is thrown off, apply fertilizer; 5. hardening.
If the overlong time more than 40 DEG C in cloudy canopy, tea leaf will produce calcination, and in one day, time point is when 11-14, if reach 40 DEG C, establishment officer two ends heat radiation should be opened wide, about mid-March in time, temperature Change is large, and field management personnel are particularly important to the observation of temperature.
Further technical scheme, cuts the cutting time of cladus bar in annual the middle ten days and the last ten days in September in described operation c.The branch survival rate of at this moment cuttage is the highest.
Further technical scheme, in described operation c, root-inducing powder, alcohol, clear water quality are than being 1:10:500, and the cuttage degree of depth of cutting cladus bar is 1/3 of branch length.Clip can carry out disinfection to root, prevent branch root from addling and go mouldy, greatly can improve the survival rate of cuttage after utilizing above-mentioned mixed solution to soak.
Further technical scheme, waters sufficient moisture after cutting the cuttage of cladus bar in described operation c, sprays thiophanate methyl liquid after blade is slightly dry, and described liquid 15kg water is converted 70% thiophanate methyl 15g and obtained.Spray medicine plays the effect of insect protected to cuttage branch.
Further technical scheme, the canopy height 40cm of cloudy canopy in described operation c, film is the virgin materials film of 4-5 silk, and film upper cover sunshade net, the obscurity of sunshade net is at 70-75%.What ensure cuttage branch so admirably breeds environment, improves its survival rate.
Further technical scheme, in described operation d, ground moistening is as the criterion with tack-free with soil moisture.As drying is loose, just keep the skin wet in time, to water or flood irrigation can.
Further technical scheme, in described operation d, one month winter is changed once gas in the spacious film ventilation of timing specifically, and spring, two weeks changed once gas, and open film in the morning, afternoon press mold, spacious film ventilation is selected in sunny calm weather and carries out.Provide good air ambient so both to the growth of cuttage seeding, the injury that extraneous bad weather may cause cuttage seeding can have been avoided again.
Further technical scheme, also comprise weeding, insect-pest operation in described operation d, wherein insect-pest operation be with 70% thiophanate methyl and water 1:1000 mass ratio or 50% carbendazim and water 1:800 mass ratio carry out spraying and prevent and treat or prevent and treat with phoxim or cypermethrin or decis.Weeding can not use weed killer herbicide, pulls out by hand.Disease for tea plant mainly contains tea shoot rot, redness of the skin or complexion leaf spot, root rot, root knot, moire blight, anthracnose etc.; The thiophanate methyl of 70% and water 1:1000 mass ratio or 50% carbendazim and water 1:800 mass ratio carry out spraying to be prevented and treated.Tea-plant pests: the Pests of Tea-Plants such as tea aphid, tea geometrid, smaller green leaf hopper can use the controls such as phoxim, cypermethrin, decis.
Further technical scheme, applies fertilizer in described operation d in two stages, the first stage with 0.5% urea liquid or 0.5% phosphoric acid hydrogen potassium solution carry out foliage-spray, interval 7-10 days are once; Second stage composite fertilizer add urea in mass ratio 2:1 be mixed with the liquid fertilizer of 5%, water with immersible pump and execute, then use clean water blade, so water fertile two weeks once.Along with the growth gradually of fringe seedling after first stage fertilising, resistance strengthens, need a large amount of fertilizer could meet its growth, at this moment fertilizing method should be adjusted, changing foliar application is water the fertilising that namely liquid fertilizer carries out second stage, and second stage fertilising progressively should increase the ratio of urea, progressively improves concentration, with not calcination seedling for principle, maximum concentration is no more than 10%.
Further technical scheme, described mating system comprises operation e well: emerge, and the tea shoot going out garden should reach tall and big in 20cm, and stem is thick in 0.3cm; F, field planting are transplanted, and in the tea shoot 36 hours going out garden, field planting terminates.Note when emerging protecting root system, do not make to sustain damage, and keep moistening, can't dry.As found, the tea shoot of tea shoot root knot nematode disease or tea gall should burn on the spot.The necessary properly pack of tea shoot of outward transport can 50-100 strain be generally a bundle, and root can be wrapped up with millet straw or plastic film.Accomplish that arriving destination must plant immediately with digging, with fortune, can not overstocking too for a long time.
Further technical scheme, the employing duplicate rows hedge planting that in described operation f, field planting is transplanted, line-spacing 50cm, little row 33cm, spacing in the rows 33cm, every clump of two strains, every mu with tea shoot 4000 strain.Launched by tea shoot root system during transplanting, when mulching soil does not expose root to it, gently upwards carry with have gentle hands, root system is unfolded naturally, and touch with soil, then earthing compresses, and waters sufficient normal root water, then to tea shoot both sides earthing to cuttage more than female fringe position.The seedling of field planting can farthest utilize sunlight and absorb soil nutrient in the manner described above, makes it be in optimum growing environment.
Embodiment 1
A, select garden, the hillside of 10 °, fertile soil, loose, subacidity.
B, trench digging hang groove, and cake fertilizer, phosphate fertilizer, slag grass are mixed evenly and bestow in groove, earthing treats its slaking.
C, cuttage and seedling culture: in the 1. the middle ten days in September, cut cladus bar, select brownish red, stay an intact leaf, a bud, length 3.5cm, and the angle of inclination of clip is 39 degree, and the mixed solution of clip root-inducing powder 1g, alcohol 10g, clear water 500g soaks; 2. during cuttage, soil moisture is tack-free, and insert cutting cladus bar in soil by the line-spacing pulled, the cuttage degree of depth of cutting cladus bar is 1/3 of branch length, every mu of cuttage 200,000 strain; 3. water sufficient moisture after cuttage seeding cuttage, spray thiophanate methyl liquid after blade is slightly dry, described liquid 15kg water is converted 70% thiophanate methyl 15g and is obtained, take cloudy canopy epiphragma, the canopy height 40cm of cloudy canopy, film is the virgin materials film of 4, film upper cover sunshade net, the obscurity of sunshade net is 70%.
D, the management of garden, nursery: 1. keep ground moistening in film, ground moistening is as the criterion with tack-free with soil moisture; 2. in Small plastic shed temperature at 38 DEG C, the 3. spacious film ventilation of timing, one month winter changed once gas, and spring, two weeks changed once gas, and open film in the morning, afternoon press mold, spacious film ventilation is selected in sunny calm weather and carries out; Weeds are removed clean simultaneously; 4. after mid-April, cuttage seeding starts to take root, and tea shoot also starts a large amount of sprouting, after mid-May, have during the skewer cuttage rooting of 85% and film on cloudy canopy is thrown off, apply fertilizer, first stage with 0.5% urea liquid or 0.5% phosphoric acid hydrogen potassium solution carry out foliage-spray, interval 7 days is once; Along with the growth gradually of fringe seedling, resistance strengthen, need a large amount of fertilizer could meet its growth, second stage composite fertilizer add urea in mass ratio 2:1 be mixed with the liquid fertilizer of 5%, water with immersible pump and execute, then use clean water blade, so water fertile two weeks once; 5. hardening.
E: emerge, goes out the tea shoot height 21cm in garden, the thick 0.4cm of stem; F, field planting are transplanted, and the tea shoot field planting in 24 hours going out garden terminates, and field planting is transplanted and adopted duplicate rows hedge planting, line-spacing 50cm, little row 33cm, spacing in the rows 33cm, every clump of two strains, and every mu with tea shoot 4000 strain.
Embodiment 2
A, select garden, the hillside of 30 °, fertile soil, loose, subacidity.
B, trench digging hang groove, and cake fertilizer, phosphate fertilizer, slag grass are mixed evenly and bestow in groove, earthing treats its slaking.
C, cuttage and seedling culture: in the 1. last ten-days period in September, cut cladus bar, select brownish red, stay an intact leaf, a bud, length 4cm, and the angle of inclination of clip is 41 degree, and the mixed solution of clip root-inducing powder 1g, alcohol 10g, clear water 500g soaks; 2. during cuttage, soil moisture is tack-free, and insert cutting cladus bar in soil by the line-spacing pulled, the cuttage degree of depth of cutting cladus bar is 1/3 of branch length, every mu of cuttage 220,000 strain; 3. water sufficient moisture after cuttage seeding cuttage, spray thiophanate methyl liquid after blade is slightly dry, described liquid 15kg water is converted 70% thiophanate methyl 15g and is obtained, take cloudy canopy epiphragma, the canopy height 40cm of cloudy canopy, film is the virgin materials film of 5, film upper cover sunshade net, the obscurity of sunshade net is 75%.
D, the management of garden, nursery: 1. keep ground moistening in film, ground moistening is as the criterion with tack-free with soil moisture; 2. in Small plastic shed temperature at 37 DEG C, the 3. spacious film ventilation of timing, one month winter changed once gas, and spring, two weeks changed once gas, and open film in the morning, afternoon press mold, spacious film ventilation is selected in sunny calm weather and carries out; Weeds are removed clean simultaneously; 4. after mid-April, cuttage seeding starts to take root, and tea shoot also starts a large amount of sprouting, after mid-May, have during the skewer cuttage rooting of 95% and film on cloudy canopy is thrown off, apply fertilizer, first stage with 0.5% urea liquid or 0.5% phosphoric acid hydrogen potassium solution carry out foliage-spray, interval 10 days is once; Along with the growth gradually of fringe seedling, resistance strengthen, need a large amount of fertilizer could meet its growth, second stage composite fertilizer add urea in mass ratio 2:1 be mixed with the liquid fertilizer of 5%, water with immersible pump and execute, then use clean water blade, so water fertile two weeks once; 5. hardening.
E: emerge, go out the tea shoot height 25cm in garden, stem is slightly not less than 0.5cm; F, field planting are transplanted, and the tea shoot field planting in 36 hours going out garden terminates, and field planting is transplanted and adopted duplicate rows hedge planting, line-spacing 50cm, little row 33cm, spacing in the rows 33cm, every clump of two strains, and every mu with tea shoot 4000 strain.
Embodiment 3
A, select garden, the hillside of 20 °, fertile soil, loose, subacidity.
B, trench digging hang groove, and cake fertilizer, phosphate fertilizer, slag grass are mixed evenly and bestow in groove, earthing treats its slaking.
C, cuttage and seedling culture: in the 1. the middle ten days in September, cut cladus bar, select brownish red, stay an intact leaf, a bud, length 3.6cm, and the angle of inclination of clip is 40 degree, and the mixed solution of clip root-inducing powder 1g, alcohol 10g, clear water 500g soaks; 2. during cuttage, soil moisture is tack-free, and insert cutting cladus bar in soil by the line-spacing pulled, the cuttage degree of depth of cutting cladus bar is 1/3 of branch length, every mu of cuttage 210,000 strain; 3. water sufficient moisture after cuttage seeding cuttage, spray thiophanate methyl liquid after blade is slightly dry, described liquid 15kg water is converted 70% thiophanate methyl 15g and is obtained, take cloudy canopy epiphragma, the canopy height 40cm of cloudy canopy, film is the virgin materials film of 4-5 silk, film upper cover sunshade net, the obscurity of sunshade net is 72%.
D, the management of garden, nursery: 1. keep ground moistening in film, ground moistening is as the criterion with tack-free with soil moisture; 2. in Small plastic shed temperature at 25 DEG C, the 3. spacious film ventilation of timing, one month winter changed once gas, and spring, two weeks changed once gas, and open film in the morning, afternoon press mold, spacious film ventilation is selected in sunny calm weather and carries out; Weeds are removed clean simultaneously; 4. after mid-April, cuttage seeding starts to take root, and tea shoot also starts a large amount of sprouting, after mid-May, have during the skewer cuttage rooting of 90% and film on cloudy canopy is thrown off, apply fertilizer, first stage with 0.5% urea liquid or 0.5% phosphoric acid hydrogen potassium solution carry out foliage-spray, interval 8 days is once; Along with the growth gradually of fringe seedling, resistance strengthen, need a large amount of fertilizer could meet its growth, second stage composite fertilizer add urea in mass ratio 2:1 be mixed with the liquid fertilizer of 5%, water with immersible pump and execute, then use clean water blade, so water fertile two weeks once; 5. hardening.
E: emerge, goes out the tea shoot height 28cm in garden, the thick 0.6cm of stem; F, field planting are transplanted, and the tea shoot field planting in 18 hours going out garden terminates, and field planting is transplanted and adopted duplicate rows hedge planting, line-spacing 50cm, little row 33cm, spacing in the rows 33cm, every clump of two strains, and every mu with tea shoot 4000 strain.
In above-described embodiment the survival rate of cuttage seeding and growing way situation as shown in the table:
Cuttage survival rate Growing way situation
Embodiment 1 99% Well
Embodiment 2 99% Well
Embodiment 3 100% Well

Claims (10)

1. a clonal cultivar mating system, comprises following operation:
A, select garden, the hillside of 10-30 °, fertile soil, loose, subacidity;
B, trench digging hang groove, and cake fertilizer, phosphate fertilizer, slag grass are mixed evenly and bestow in groove, earthing treats its slaking;
C, cuttage and seedling culture: 1. cut cladus bar and select brownish red, stay an intact leaf, a bud, length 3.5-4cm, and the angle of inclination of clip is 39-41 degree, and the mixed solution of clip root-inducing powder, alcohol, clear water soaks; 2. before cuttage, soil moisture is advisable with tack-free, inserts in soil, every mu of cuttage 20-22 ten thousand strain by cutting cladus bar by the line-spacing pulled; 3. to cuttage seeding spray medicine, cloudy canopy epiphragma is taken;
D, the management of garden, nursery: 1. keep ground moistening in film; 2. in cloudy canopy, temperature is lower than 40 DEG C, and 3. timing opens film ventilation; 4. have during the skewer cuttage rooting of 85-95% and film on cloudy canopy is thrown off, apply fertilizer; 5. hardening.
2. clonal cultivar mating system as claimed in claim 1, it is characterized in that: cut the cutting time of cladus bar in described operation c in annual the middle ten days and the last ten days in September, in described operation c, root-inducing powder, alcohol, clear water quality are than being 1:10:500, and the cuttage degree of depth of cutting cladus bar is 1/3 of branch length.
3. clonal cultivar mating system as claimed in claim 1, it is characterized in that: water sufficient moisture after cutting the cuttage of cladus bar in described operation c, spray thiophanate methyl liquid after blade is slightly dry, described liquid 15kg water is converted 70% thiophanate methyl 15g and is obtained.
4. clonal cultivar mating system as claimed in claim 1, is characterized in that: the canopy height 40cm of cloudy canopy in described operation c, film is the virgin materials film of 4-5 silk, and film upper cover sunshade net, the obscurity of sunshade net is at 70-75%.
5. clonal cultivar mating system as claimed in claim 1, is characterized in that: in described operation d, ground moistening is as the criterion with tack-free with soil moisture.
6. clonal cultivar mating system as claimed in claim 1, it is characterized in that: in described operation d, one month winter is changed once gas in the spacious film ventilation of timing specifically, and spring, two weeks changed once gas, and open film in the morning, afternoon press mold, spacious film ventilation is selected in sunny calm weather and carries out.
7. clonal cultivar mating system as claimed in claim 1, it is characterized in that: in described operation d, also comprise weeding, insect-pest operation, wherein insect-pest operation be with 70% thiophanate methyl and water 1:1000 mass ratio or 50% carbendazim and water 1:800 mass ratio carry out spraying and prevent and treat or prevent and treat with phoxim or cypermethrin or decis.
8. clonal cultivar mating system as claimed in claim 1, is characterized in that: apply fertilizer in described operation d in two stages, the first stage with 0.5% urea liquid or 0.5% phosphoric acid hydrogen potassium solution carry out foliage-spray, interval 7-10 days are once; Second stage composite fertilizer add urea in mass ratio 2:1 be mixed with the liquid fertilizer of 5%, water with immersible pump and execute, then use clean water blade, so water fertile two weeks once.
9. clonal cultivar mating system as claimed in claim 1, it is characterized in that: described mating system also comprises operation e: emerge, the tea shoot going out garden should reach tall and big in 20cm, and stem is thick in 0.3cm; F, field planting are transplanted, and in the tea shoot 36 hours going out garden, field planting terminates.
10. clonal cultivar mating system as claimed in claim 9, is characterized in that: the employing duplicate rows hedge planting that in described operation f, field planting is transplanted, line-spacing 50cm, little row 33cm, spacing in the rows 33cm, every clump of two strains, and every mu with tea shoot 4000 strain.
CN201510485980.3A 2015-08-07 2015-08-07 Clonal tea tree breeding method Pending CN105165518A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105850683A (en) * 2016-04-25 2016-08-17 广西南亚热带农业科学研究所 Long-shoot cutting breeding method of tea tree shoots
CN105875322A (en) * 2016-04-13 2016-08-24 苏州市东山吴侬碧螺春茶叶专业合作社 Tea tree nutrient pot clonal rapid propagation method
CN107047189A (en) * 2017-04-19 2017-08-18 泾县汀溪兰香茶业开发有限公司 A kind of cuttage and seedling culture method of tea tree
CN107242130A (en) * 2017-08-09 2017-10-13 信阳祥云茶业有限公司 Clonal cultivar method for culturing seedlings
CN108702995A (en) * 2018-05-22 2018-10-26 广西昭平县古书茶业有限公司 A kind of control method of tea tree root knot
CN109122299A (en) * 2018-10-12 2019-01-04 湖南省茶叶研究所(湖南省茶叶检测中心) A kind of producing method for seed of the double clone hybrid seeds of tea tree
WO2019146561A1 (en) * 2018-01-25 2019-08-01 株式会社伊藤園 Tea growth promotion method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张春蓓等: "茶树新品种平湖早选育研究", 《中国茶叶》 *
胡臣学: "无性系茶树良种繁育技术", 《百度文库》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105875322A (en) * 2016-04-13 2016-08-24 苏州市东山吴侬碧螺春茶叶专业合作社 Tea tree nutrient pot clonal rapid propagation method
CN105850683A (en) * 2016-04-25 2016-08-17 广西南亚热带农业科学研究所 Long-shoot cutting breeding method of tea tree shoots
CN107047189A (en) * 2017-04-19 2017-08-18 泾县汀溪兰香茶业开发有限公司 A kind of cuttage and seedling culture method of tea tree
CN107242130A (en) * 2017-08-09 2017-10-13 信阳祥云茶业有限公司 Clonal cultivar method for culturing seedlings
WO2019146561A1 (en) * 2018-01-25 2019-08-01 株式会社伊藤園 Tea growth promotion method
JPWO2019146561A1 (en) * 2018-01-25 2020-08-20 株式会社 伊藤園 Tea growth promotion method
CN108702995A (en) * 2018-05-22 2018-10-26 广西昭平县古书茶业有限公司 A kind of control method of tea tree root knot
CN109122299A (en) * 2018-10-12 2019-01-04 湖南省茶叶研究所(湖南省茶叶检测中心) A kind of producing method for seed of the double clone hybrid seeds of tea tree

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