CN105766278A - Seedling strengthening method for replacing leaf cutting in tobacco industrialized seedling culture - Google Patents
Seedling strengthening method for replacing leaf cutting in tobacco industrialized seedling culture Download PDFInfo
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- CN105766278A CN105766278A CN201610112543.1A CN201610112543A CN105766278A CN 105766278 A CN105766278 A CN 105766278A CN 201610112543 A CN201610112543 A CN 201610112543A CN 105766278 A CN105766278 A CN 105766278A
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The invention discloses a seedling strengthening method for replacing leaf cutting in tobacco industrialized seedling culture. During tobacco industrialized seedling culture, when tobacco seedlings grow till the tobacco stems are 1-4 cm tall, a nutrient solution is added for the last time, then, first-time foliage spray is performed, foliage spray of 20-400 ppm of a multi-effect triazole solution or 50-400 ppm of a chlormequat chloride solution or 20-200 ppm of a prohexadione-calcium solution is performed, no nutrient solution is added any more after spray is performed, leaf cutting is not performed any more, when the number of thick roots of tobacco seedling stems is large enough to meet the transplanting standard, second-time foliage spray is performed again before tobacco seedlings are transplanted, foliage spray of 3-20 ppm of a compound sodium nitrophenolate solution of an ammonium nitrate solution with the mass fraction being 0.1-1% is performed, and then conventional transplanting is performed. According to the seedling strengthening method, tobacco seedlings can be restrained from continuing to grow tall, and stem thickening and root growth are promoted, so that the purpose of seedling strengthening without leaf cutting is achieved, the leaf cutting procedure is omitted, and a leaf cutting device is omitted; leaf cutting workers are omitted; labor intensity is relieved; the seedling growing time is shortened by 15 d or more; nutrient fertilizer is saved; virus disease, fungi and other diseases are reduced, the tobacco seedlings are more robust, and root systems are more developed.
Description
Technical field:
The invention belongs to tobacco planting field, be specifically related to a kind of tobacco plant nursery substitutes the method in strong sprout of leaf-cutting.
Background technology:
Tobacco is culturing and transplanting seedlings crop.At present, tobacco business is advancing modern tobacco agriculture, and tobacco seedling is carried out batch production and educated
Seedling, construction of modern Conjoined greenhouse, use floating seedlings or moistening nursery, use sizing seedlings nursing plate, batch production preparation nursery base
Matter, matrix carries out sterilization, controls humiture, carry out leaf-cutting strong sprout, and educated tobacco seedlings concentration, quantity are many, neat, seedling quality
Height, breeding efficiency is also greatly improved, and greatly advances the modernization that tobacco seedling produces, improves production efficiency.But educating
During seedling closeer because of density, tobacco seedlings long shoot comes into leaves, and tobacco seedlings is more weak, need to carry out leaf-cutting, utilizes leaf-cutting high to control tobacco seedlings stem
Increase thus promote growth that stem is thick and strong sprout, leaf-cutting equipment need to be increased；Leaf-cutting again after the tobacco seedlings such as needing to grow tall after leaf-cutting, typically
Need to cut 3-4 time, add leaf-cutting artificial, enhance labour intensity, extend seedling raise period, waste nutritious fertilizer；Especially
During leaf-cutting, leaf-cutting utensil and operation are very easy to the disease such as viral disease, fungi that spreads disease, and increase the occurrence probability of disease,
Often result in large-area disease to occur.
Summary of the invention:
It is an object of the invention to provide a kind of method in strong sprout that need not leaf-cutting and substitute leaf-cutting in the tobacco plant nursery in strong sprout.
The tobacco plant nursery of the present invention substitutes the method in strong sprout of leaf-cutting, it is characterised in that comprise the following steps:
In tobacco plant nursery, when tobacco seedlings length to tobacco stem 1-4cm height, add last nutrient solution, then carry out
The paclobutrazol solution of foliage-spray, i.e. foliage-spray 20ppm-400ppm or 50ppm-400ppm cycocel solution or
The Prohexadione calcium solution of 20ppm-200ppm, no longer adds nutrient solution, no longer leaf-cutting after spray, after 5 days when the thick root of tobacco seedlings stem up to
Suitably transplant standard to strong sprout, tobacco seedlings carries out second time foliage-spray, i.e. foliage-spray 3ppm-20ppm compound nitrophenol again before transplanting
Sodium solution or the ammonium nitrate solution of mass fraction 0.1%-1%, then carry out conventional transplanting.
Above-mentioned nutrient solution is the nutrient solution in tobacco plant nursery used by routine, and it belongs to the Conventional wisdom of this area, the present invention
Innovative point essentially consist in for the first time and second time foliage-spray.The formula of this nutrient solution is that N:P:K=20:10:20 (additionally adds
Trace element in Ca, Mg, S etc.).
The plant growth retardents such as paclobutrazol, cycocel, Prohexadione calcium to axis end Asia apical meristem cell or nascent mitogenetic carefully
The cell division of born of the same parents has inhibitory action, can suppress cell division and the elongation growth of stem top lower area, can hinder gibberellin
Biosynthesis, makes growth rate slow down, and causes plant shortened internodes, promotes the increasing of stem thick and root growth, but big to leaf
Little, the number of lobe numbers, joint and apical dominance do not affect, and the formation on leaf, flower and fruit does not affect.I.e. by spray
Executing the plant growth retardents such as paclobutrazol, cycocel, Prohexadione calcium, the continuing of suppression tobacco seedlings grows tall, and promotes stem length thick and root
System's growth, thus reach to be not required to the purpose in leaf-cutting and strong sprout, thus exempt leaf-cutting program, exempt leaf-cutting equipment；Exempt leaf-cutting people
Work；Reduce labor intensity；Shorten seedling raise period more than 15 days；Save nutritious fertilizer；Reduce sending out of the disease such as virosis, fungi
Raw, tobacco seedlings is more healthy and stronger, and root system is more flourishing.
Detailed description of the invention:
Following example are to further illustrate the present invention rather than limitation of the present invention.
Embodiment 1:
In tobacco plant nursery, early stage carries out conventional factory nursery operation and (carries out substrate preparation, sterilizes, loads, enter
Row sowing, thinning, interpolation nutrient solution, carry out temperature and humidity management), when the height that tobacco seedlings length is suitably transplanted to tobacco stem 1-4cm,
Add last nutrient solution, then carry out the paclobutrazol aqueous solution of foliage-spray, i.e. foliage-spray 20ppm for the first time, after spray
No longer adding nutrient solution, no longer leaf-cutting, after 5 days, the thick root of tobacco seedlings stem reaches suitably to transplant standard strong sprout more, and tobacco seedlings is entered before transplanting again
Row second time foliage-spray, i.e. the foliage-spray 20ppm compound sodium nitrophenolate aqueous solution, then carry out conventional transplanting.With conventional leaf-cutting
The method in strong sprout is compared, obtained by the stem of the tobacco seedlings of the present embodiment thick (a diameter of 0.47cm) and the method in conventional leaf-cutting strong sprout
The big 0.02cm of stem thick (a diameter of 0.45cm) of tobacco seedlings, seedling raise period can shorten 15 days, without pest and disease damage generation.
Embodiment 2:
In tobacco plant nursery, early stage carries out conventional factory nursery operation and (carries out substrate preparation, sterilizes, loads, enter
Row sowing, thinning, interpolation nutrient solution, carry out temperature and humidity management), when the height that tobacco seedlings length is suitably transplanted to tobacco stem 1-4cm,
Add last nutrient solution, then carry out the paclobutrazol aqueous solution of foliage-spray, i.e. foliage-spray 400ppm for the first time, spray
After no longer add nutrient solution, no longer leaf-cutting, after 5 days, the thick root of tobacco seedlings stem reaches suitably to transplant standard strong sprout more, tobacco seedlings transplant before again
Carry out second time foliage-spray, i.e. the foliage-spray 3ppm compound sodium nitrophenolate aqueous solution, then carry out conventional transplanting.Cut with conventional
The method in leaf strong sprout is compared, and the stem of the tobacco seedlings of the present embodiment thick (a diameter of 0.49cm) is than the method gained in conventional leaf-cutting strong sprout
The big 0.04cm of the stem of the tobacco seedlings arrived thick (a diameter of 0.45cm), seedling raise period can shorten 18 days, occurs without pest and disease damage.
Embodiment 3:
In tobacco plant nursery, early stage carries out conventional factory nursery operation and (carries out substrate preparation, sterilizes, loads, enter
Row sowing, thinning, interpolation nutrient solution, carry out temperature and humidity management), when the height that tobacco seedlings length is suitably transplanted to tobacco stem 1-4cm,
Add last nutrient solution, then carry out foliage-spray, i.e. the foliage-spray 50ppm cycocel aqueous solution for the first time, after spray not
Adding nutrient solution, no longer leaf-cutting again, after 5 days, the thick root of tobacco seedlings stem reaches suitably to transplant standard strong sprout more, and tobacco seedlings is carried out before transplanting again
Foliage-spray for the second time, the i.e. aqueous ammonium nitrate solution of foliage-spray mass fraction 0.1%, then carry out conventional transplanting.With routine
The method in leaf-cutting strong sprout is compared, the method institute in the stem of the tobacco seedlings of the present embodiment thick (a diameter of 0.46cm) and conventional leaf-cutting strong sprout
The big 0.01cm of the stem of the tobacco seedlings obtained thick (a diameter of 0.45cm), seedling raise period can shorten 15 days, occurs without pest and disease damage.
Embodiment 4:
In tobacco plant nursery, early stage carries out conventional factory nursery operation and (carries out substrate preparation, sterilizes, loads, enter
Row sowing, thinning, interpolation nutrient solution, carry out temperature and humidity management), when the height that tobacco seedlings length is suitably transplanted to tobacco stem 1-4cm,
Add last nutrient solution, then carry out foliage-spray, i.e. the foliage-spray 400ppm cycocel aqueous solution for the first time, after spray
No longer adding nutrient solution, no longer leaf-cutting, after 5 days, the thick root of tobacco seedlings stem reaches suitably to transplant standard strong sprout more, and tobacco seedlings is entered before transplanting again
Row second time foliage-spray, the i.e. ammonium nitrate of foliage-spray mass fraction 1%, then carry out conventional transplanting.Strengthen with conventional leaf-cutting
The method of seedling is compared, obtained by the stem of the tobacco seedlings of the present embodiment thick (a diameter of 0.48cm) method than conventional leaf-cutting strong sprout
The big 0.03cm of the stem of tobacco seedlings thick (a diameter of 0.45cm), seedling raise period can shorten 15 days, occurs without pest and disease damage.
Embodiment 5:
In tobacco plant nursery, early stage carries out conventional factory nursery operation and (carries out substrate preparation, sterilizes, loads, enter
Row sowing, thinning, interpolation nutrient solution, carry out temperature and humidity management), when the height that tobacco seedlings length is suitably transplanted to tobacco stem 1-4cm,
Add last nutrient solution, then carry out the Prohexadione calcium aqueous solution of foliage-spray, i.e. foliage-spray 20ppm for the first time, spray
After no longer add nutrient solution, no longer leaf-cutting, after 5 days, the thick root of tobacco seedlings stem reaches suitably to transplant standard strong sprout more, tobacco seedlings transplant before again
Carry out second time foliage-spray, i.e. the foliage-spray 20ppm compound sodium nitrophenolate aqueous solution, then carry out conventional transplanting.Cut with conventional
The method in leaf strong sprout is compared, the method gained in the stem of the tobacco seedlings of the present embodiment thick (a diameter of 0.46cm) and conventional leaf-cutting strong sprout
The big 0.01cm of the stem of the tobacco seedlings arrived thick (a diameter of 0.45cm), seedling raise period can shorten 17 days, occurs without pest and disease damage.
Embodiment 6:
In tobacco plant nursery, early stage carries out conventional factory nursery operation and (carries out substrate preparation, sterilizes, loads, enter
Row sowing, thinning, interpolation nutrient solution, carry out temperature and humidity management), when the height that tobacco seedlings length is suitably transplanted to tobacco stem 1-4cm,
Add last nutrient solution, then carry out the Prohexadione calcium aqueous solution of foliage-spray, i.e. foliage-spray 200ppm for the first time,
No longer adding nutrient solution, no longer leaf-cutting after spray, after 5 days, the thick root of tobacco seedlings stem reaches suitably to transplant standard strong sprout more, before tobacco seedlings is transplanted
Carry out second time foliage-spray, the i.e. aqueous ammonium nitrate solution of foliage-spray mass fraction 1% again, then carry out conventional transplanting.With often
The method in leaf-cutting strong sprout of rule is compared, the side in the stem of the tobacco seedlings of the present embodiment thick (a diameter of 0.48cm) and conventional leaf-cutting strong sprout
The big 0.03cm of the stem of the tobacco seedlings obtained by method thick (a diameter of 0.45cm), seedling raise period can shorten 16 days, sends out without pest and disease damage
Raw.
Claims (1)
1. a tobacco plant nursery substitutes the method in strong sprout of leaf-cutting, it is characterised in that comprise the following steps: in tobacco plant
In nursery, when tobacco seedlings length to tobacco stem 1-4cm height, add last nutrient solution, then carry out foliage-spray for the first time,
The paclobutrazol solution of i.e. foliage-spray 20ppm-400ppm or 50ppm-400ppm cycocel solution or 20ppm-200ppm
Prohexadione calcium solution, no longer add nutrient solution, no longer leaf-cutting after spray, suitably transplant mark when the thick root of tobacco seedlings stem reaches strong sprout more
Standard, tobacco seedlings carries out second time foliage-spray, i.e. foliage-spray 3ppm-20ppm compound sodium nitrophenolate solution or quality again before transplanting
The ammonium nitrate solution of mark 0.1%-1%, then carries out conventional transplanting.
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| CN201511034203 | 2015-12-31 | ||
| CN2015110342033 | 2015-12-31 |
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| CN105766278A true CN105766278A (en) | 2016-07-20 |
| CN105766278B CN105766278B (en) | 2018-12-25 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107455341A (en) * | 2017-08-01 | 2017-12-12 | 中国烟草总公司福建省公司 | A kind of aphidius gifuensis mating system of regulation and control host crop growth |
| CN109090118A (en) * | 2018-07-25 | 2018-12-28 | 广西大学 | A kind of tobacco strong sprout inducer and preparation method thereof |
| WO2019193580A1 (en) * | 2018-04-05 | 2019-10-10 | R. J. Reynolds Tobacco Company | Oriental tobacco production methods |
| CN116918668A (en) * | 2023-07-17 | 2023-10-24 | 湖南省烟草公司邵阳市公司 | Efficient transplanting method for flue-cured tobacco |
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| CN1165618A (en) * | 1997-04-23 | 1997-11-26 | 贵州省农业科学院土壤肥料研究所 | Paclobutrazol as flue-cured tobacco seedling strengthening agent and formula thereof |
| CN101213912A (en) * | 2008-01-04 | 2008-07-09 | 韶关学院 | Method for producing selenium-rich tobacco |
| CN103385106A (en) * | 2013-07-29 | 2013-11-13 | 湖南省烟草公司郴州市公司桂阳县分公司 | Water-land two-section type flue-cured tobacco strong seedling culturing technique |
| EP2815649A1 (en) * | 2013-06-18 | 2014-12-24 | Basf Se | Fungicidal mixtures II comprising strobilurin-type fungicides |
| CN105165384A (en) * | 2015-11-01 | 2015-12-23 | 湖南省烟草公司永州市公司 | Simple and high-efficiency cultivation method for flue cured tobaccos in tobacco-rice rotation area |
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2016
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| EP2815649A1 (en) * | 2013-06-18 | 2014-12-24 | Basf Se | Fungicidal mixtures II comprising strobilurin-type fungicides |
| CN103385106A (en) * | 2013-07-29 | 2013-11-13 | 湖南省烟草公司郴州市公司桂阳县分公司 | Water-land two-section type flue-cured tobacco strong seedling culturing technique |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107455341A (en) * | 2017-08-01 | 2017-12-12 | 中国烟草总公司福建省公司 | A kind of aphidius gifuensis mating system of regulation and control host crop growth |
| WO2019193580A1 (en) * | 2018-04-05 | 2019-10-10 | R. J. Reynolds Tobacco Company | Oriental tobacco production methods |
| CN109090118A (en) * | 2018-07-25 | 2018-12-28 | 广西大学 | A kind of tobacco strong sprout inducer and preparation method thereof |
| CN116918668A (en) * | 2023-07-17 | 2023-10-24 | 湖南省烟草公司邵阳市公司 | Efficient transplanting method for flue-cured tobacco |
| CN116918668B (en) * | 2023-07-17 | 2024-03-29 | 湖南省烟草公司邵阳市公司 | Efficient transplanting method for flue-cured tobacco |
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| CN105766278B (en) | 2018-12-25 |
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