CN103891505A - Tea plant barren resistant resource evaluation method - Google Patents
Tea plant barren resistant resource evaluation method Download PDFInfo
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- CN103891505A CN103891505A CN201410118557.5A CN201410118557A CN103891505A CN 103891505 A CN103891505 A CN 103891505A CN 201410118557 A CN201410118557 A CN 201410118557A CN 103891505 A CN103891505 A CN 103891505A
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- impoverishment tolerant
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Abstract
The invention provides a tea plant barren resistant resource evaluation method, and belongs to the technical field of tea plant cultivation. The method is characterized by including 1, selecting a contrasted tea variety; 2, selecting tea plant branches and preparing for cutting slips; 3, preparing potted substrate; 4, cutting slips; 5, rooting be coating films in a greenhouse; 6, managing cutting seedlings; 7, evaluating tea plant resource barren resistance. According to the tea plant barren resistant resource evaluation method, tea plant resource is cultivated in a potted cutting manner for a period in the green house, and the tea plant resource barren resistance is evaluated according to the biomass of the tea seedlings. The evaluation method is simple to operate, and evaluating results are reliable.
Description
Technical field
The invention belongs to tree plant cultivation technical field, be specially a kind of authentication method of tea tree impoverishment tolerant resource.
Background technology
Nitrogen is the most important essential nutrient element that improves tea yield and kind.Nitrogen content in tea tree, especially young sprout nitrogen content and tea leaf quality are closely related.In recent decades, apply fertilizer take ammonium nitrogen as main in tea place.But tea tree absorbs after ammonium nitrogen, root system can discharge a large amount of H+, thereby, cause tea garden soil acidifying rapidly.According to statistics, the nitrate nitrogen major part existing in soil is between 50-150 mg/kg, far above ammonium nitrogen.Consider that nitrate nitrogen is topmost inorganic nitrogen form in tea garden soil, therefore, except ammonium nitrogen, nitrate nitrogen is also the important nitrogen source of tea tree.As can be seen here, select tea tree impoverishment tolerant kind, increase tea tree to nitrate nitrogen absorption rate, to reducing the amount of application of tea place ammonium nitrogen, slow down tea garden soil acidifying, reducing tea place fertilizers input has important directive significance.At present, about the authentication method of tea tree impoverishment tolerant resource is still blank.
Summary of the invention
For the above-mentioned problems in the prior art, the object of the invention is to design provides a kind of technical scheme of authentication method of tea tree impoverishment tolerant resource, in greenhouse, Resources of Tea Plant is carried out cave dish cuttage and is cultivated a period of time, then according to the biomass of tea shoot, the impoverishment tolerant of Resources of Tea Plant is carried out to characterization and evaluation.
The authentication method of described a kind of tea tree impoverishment tolerant resource, is characterized in that comprising the following steps:
1) contrast tea tree breed is selected: select Fuding white tea as the contrast of impoverishment tolerant tea tree breed, Dragon Well tea 43 is as resistance to fertile tea tree check variety;
2) tea tree branch is selected to prepare with cuttings: tea tree is not adopted to spring tea, kind to be identified and Fuding white tea, Dragon Well tea 43 carry out respectively fringe bar and stay foster, to by the end of June at the beginning of 7 months, receive guest with tea after the hardening of branch bar, stem section is still cut for green tea tree branch, then, branch is cut into the cuttings long with the 2.5-3.5cm of bud one leaf;
3) plug media is prepared: adopt cave dish to carry out cuttage, Pin Shi Top of Denmark peat using volume ratio 1-3:0.5-1.5:0.5-1.5: perlite: vermiculite mixture is as cutting medium, cutting medium water semi-transparent after sabot again, in dress cave when dish,, require the compacting flattening a little of dress plug media, guarantees that every hole tightness is basically identical, after assembling, water irrigates, and finally waters and executes sterilization with 5 ‰ liquor potassic permanganate, and preparation at least completes in cuttage the previous day;
4) cuttings cuttage: select overcast and rainyly, the cuttings cuttage shearing, in plug media, is compressed matrix, and add cutting medium in matrix hole on the low side, then spray carbendazim solution sterilization;
5) in greenhouse, overlay film is taken root: after cuttage, build the little shed that 50-60cm is high, then cover brand-new plastic film, and by surrounding sealing, the sunshade net in greenhouse is opened, temperature is controlled at 15 ℃-38 ℃, carries out taking root of tea shoot;
6) management of cuttage seeding: after treating that cuttings major part is taken root, select the overcast and rainy film of taking off, and the nitrogen-phosphorus-potassium compound fertilizer solution of blade spraying 1-1.5 ‰, afterwards, with the nitrogen-phosphorus-potassium compound fertilizer solution pouring of 2-2.5 ‰, every two weeks are once;
7) Resources of Tea Plant impoverishment tolerant is identified: cuttage is after 12 months, the tea shoot plant height, stem of measuring kind to be identified and check variety slightly, the number of sheets; Tea shoot plant height, Resources of Tea Plant that the number of sheets is all better than Fuding white tea, to be accredited as impoverishment tolerant strong; Tea shoot plant height, stem thick and number of sheets indices all a little less than the be accredited as impoverishment tolerant lower than Dragon Well tea 43.
The authentication method of described a kind of tea tree impoverishment tolerant resource, is characterized in that in step 3): Pin Shi Top of Denmark peat: perlite: vermiculite volume ratio is 2:1:1.
The authentication method of described a kind of tea tree impoverishment tolerant resource, is characterized in that in step 5): the temperature of taking root is 15 ℃-38 ℃.
The authentication method of above-mentioned a kind of tea tree impoverishment tolerant resource, in greenhouse, Resources of Tea Plant is carried out cave dish cuttage and is cultivated a period of time, then according to the biomass of tea shoot, impoverishment tolerant to Resources of Tea Plant carries out characterization and evaluation, and this authentication method is simple to operate, and qualification result is reliable.
Embodiment
Now, in conjunction with embodiments of the invention, further illustrate beneficial effect of the present invention.
Embodiment 1:
1) contrast tea tree breed is selected: select Fuding white tea as the contrast of impoverishment tolerant tea tree breed, Dragon Well tea 43 is as resistance to fertile tea tree check variety, and black ox is early kind to be identified;
2) cuttings obtains: the tea tree of black ox morning, Fuding white tea, Dragon Well tea 43 is not adopted spring tea, carry out fringe bar and stay fosterly, to by the end of June to the cloudy day at the beginning of 7 months, stem section is still cut for the green hard branch of tea tree, then, branch is cut into the cuttings long with the 2.5-3.5cm of bud one leaf;
3) plug media is prepared: adopt the cave dish of 50 hole depth 4cm to carry out cuttage, Pin Shi Top of Denmark peat using volume ratio 1-3:0.5-1.5:0.5-1.5: perlite: vermiculite mixture is as cutting medium, cutting medium water semi-transparent after sabot again, in dress cave when dish,, require the compacting flattening a little of dress plug media, guarantees that every hole tightness is basically identical, after assembling, water irrigates, and finally waters and executes sterilization with 5 ‰ liquor potassic permanganate, and preparation at least completes in cuttage the previous day;
4) cuttings cuttage: select overcast and rainyly, the cuttings cuttage shearing, in plug media, is compressed matrix, and add cutting medium in matrix hole on the low side, then spray carbendazim solution sterilization;
5) in greenhouse, overlay film is taken root: after cuttage, build the little shed that 50-60cm is high, then cover brand-new plastic film, and by surrounding sealing, the sunshade net in greenhouse is opened, temperature is controlled at 15 ℃-38 ℃, carries out taking root of tea shoot;
6) management of cuttage seeding: cuttage is after 2 months, and most of cuttings is all taken root, at the overcast and rainy film of taking off, and the nitrogen-phosphorus-potassium compound fertilizer solution of blade spraying 1 ‰, afterwards, with 2.5 ‰ nitrogen-phosphorus-potassium compound fertilizer solution pouring, every two weeks once, notes carrying out the extermination of disease and insect pest simultaneously;
7) Resources of Tea Plant impoverishment tolerant is identified: cuttage is after 12 months, measures black ox early and the tea shoot plant height of check variety Fuding white tea and Dragon Well tea 43, stem are thick, the number of sheets; Investigation finds, the plant height of wuniu early tea seedling, the number of sheets and Fuding white tea is suitable, and every growth indexes is better than Dragon Well tea 43; Therefore, black ox impoverishment tolerant is early accredited as by force.
Cuttage is after 1 year as can be seen from Table 1, and tea tree breed crow ox to be identified growth parameter(s) index early is obviously better than the weak check variety Dragon Well tea 43 of impoverishment tolerant, and the check variety Fuding white tea strong with impoverishment tolerant is suitable.Therefore, black ox impoverishment tolerant is early accredited as by force.
Claims (3)
1. an authentication method for tea tree impoverishment tolerant resource, is characterized in that comprising the following steps:
1) contrast tea tree breed is selected: select Fuding white tea as the contrast of impoverishment tolerant tea tree breed, Dragon Well tea 43 is as resistance to fertile tea tree check variety;
2) tea tree branch is selected to prepare with cuttings: tea tree is not adopted to spring tea, kind to be identified and Fuding white tea, Dragon Well tea 43 carry out respectively fringe bar and stay foster, to by the end of June at the beginning of 7 months, receive guest with tea after the hardening of branch bar, stem section is still cut for green tea tree branch, then, branch is cut into the cuttings long with the 2.5-3.5cm of bud one leaf;
3) plug media is prepared: adopt cave dish to carry out cuttage, Pin Shi Top of Denmark peat using volume ratio 1-3:0.5-1.5:0.5-1.5: perlite: vermiculite mixture is as cutting medium, cutting medium water semi-transparent after sabot again, in dress cave when dish,, require the compacting flattening a little of dress plug media, guarantees that every hole tightness is basically identical, after assembling, water irrigates, and finally waters and executes sterilization with 5 ‰ liquor potassic permanganate, and preparation at least completes in cuttage the previous day;
4) cuttings cuttage: select overcast and rainyly, the cuttings cuttage shearing, in plug media, is compressed matrix, and add cutting medium in matrix hole on the low side, then spray carbendazim solution sterilization;
5) in greenhouse, overlay film is taken root: after cuttage, build the little shed that 50-60cm is high, then cover brand-new plastic film, and by surrounding sealing, the sunshade net in greenhouse is opened, temperature is controlled at 15 ℃-38 ℃, carries out taking root of tea shoot;
6) management of cuttage seeding: after treating that cuttings major part is taken root, select the overcast and rainy film of taking off, and the nitrogen-phosphorus-potassium compound fertilizer solution of blade spraying 1-1.5 ‰, afterwards, with the nitrogen-phosphorus-potassium compound fertilizer solution pouring of 2-2.5 ‰, every two weeks are once;
7) Resources of Tea Plant impoverishment tolerant is identified: cuttage is after 12 months, the tea shoot plant height, stem of measuring kind to be identified and check variety slightly, the number of sheets; Tea shoot plant height, Resources of Tea Plant that the number of sheets is all better than Fuding white tea, to be accredited as impoverishment tolerant strong; Tea shoot plant height, stem thick and number of sheets indices all a little less than the be accredited as impoverishment tolerant lower than Dragon Well tea 43.
2. the authentication method of a kind of tea tree impoverishment tolerant resource as claimed in claim 1, is characterized in that in step 3): Pin Shi Top of Denmark peat: perlite: vermiculite volume ratio is 2:1:1.
3. the authentication method of a kind of tea tree impoverishment tolerant resource as claimed in claim 1, is characterized in that in step 5): the temperature of taking root is 15 ℃-38 ℃.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111670794A (en) * | 2020-05-20 | 2020-09-18 | 西藏自治区农牧科学院农业研究所 | Screening and identifying method for barrenness resistance of highland barley seedlings |
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| CN1742541A (en) * | 2005-09-28 | 2006-03-08 | 中国农业科学院茶叶研究所 | Factorial seedling-culturing method for tea tree |
| CN101569266A (en) * | 2009-06-08 | 2009-11-04 | 丽水市农业科学研究院 | Method for propagating tea plants |
| CN101755586A (en) * | 2009-09-28 | 2010-06-30 | 无锡市茶叶品种研究所有限公司 | Hole-tray sticking culture method of tea-tree seedlings |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1742541A (en) * | 2005-09-28 | 2006-03-08 | 中国农业科学院茶叶研究所 | Factorial seedling-culturing method for tea tree |
| CN101569266A (en) * | 2009-06-08 | 2009-11-04 | 丽水市农业科学研究院 | Method for propagating tea plants |
| CN101755586A (en) * | 2009-09-28 | 2010-06-30 | 无锡市茶叶品种研究所有限公司 | Hole-tray sticking culture method of tea-tree seedlings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111670794A (en) * | 2020-05-20 | 2020-09-18 | 西藏自治区农牧科学院农业研究所 | Screening and identifying method for barrenness resistance of highland barley seedlings |
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Inventor after: Wang Liyuan Inventor after: Cheng Hao Inventor after: Wei Kang Inventor after: Wu Libin Inventor after: Zhang Chengcai Inventor after: Ruan Li Inventor before: Wang Liyuan |
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