CN104663400A - Naked seed water sowing method for tobacco seedling culture - Google Patents
Naked seed water sowing method for tobacco seedling culture Download PDFInfo
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- CN104663400A CN104663400A CN201510089204.1A CN201510089204A CN104663400A CN 104663400 A CN104663400 A CN 104663400A CN 201510089204 A CN201510089204 A CN 201510089204A CN 104663400 A CN104663400 A CN 104663400A
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- seed
- naked
- dropper
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- tobacco
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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
- A01G31/00—Soilless cultivation, e.g. hydroponics
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/08—Devices for filling-up flower-pots or pots for seedlings; Devices for setting plants or seeds in pots
- A01G9/085—Devices for setting seeds in pots
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention provides a naked seed water sowing method for tobacco seedling culture. The method comprises the following steps: preparing naked seed suspension liquid by adding 20 to 50ml of water into every 0.1g of tobacco naked seeds, then, sucking the naked seed suspension liquid by using a rubber head dropper, and injecting the naked seed suspension liquid into planting holes of a prepared seed tray. If the method disclosed by the invention is adopted, the rate of emergence can be guaranteed. Compared with a naked seed bunch planting method, the naked seed water sowing method has the advantages that a single-hole multiple-seedling planting hole ratio can be obviously lowered, sowing and thinning labor can be reduced, and the seed use amount is reduced. The method is suitable for tobacco seedling culture ways, such as the paper-pot seedling culture, the nutrition bag seedling culture, the tray seedling culture, the floating seedling culture and the like of tobacco breeding materials.
Description
Technical field
The invention belongs to tobacco breeding technical field, be specifically related to a kind of naked seed water broadcasting method of tobacco seedling.
Background technology
Tobacco is the primary raw material crop of cigarette, and be also the Important Economic crop of China, and kind is the basis of cured tobacco production, therefore tobacco bred seed selection work is extremely important, and seeding and seedling raising is the important step of tobacco breeding.Because breeding material is many, and each breeding material needs the strain number of plantation and seldom, generally between 10-500 strain, therefore, in the seedling raising manners of floatation tray nursery popular at present, often adopts the program request of naked seed seed.But the seed of tobacco is very little, for tobacco seed, long 600 μm ~ 800 μm, wide 450 μm ~ 600 μm; Thousand kernel weight 0.07g ~ 0.09g, 11000 ~ 14000, every gram of seed, adopt dry kind order method is time-consuming and take a lot of work, and each nursery kind cave mid point Seeding Quantity is difficult to control, usually 3-5 grain, cause thinning workload after emerging large, seed wastage is higher.
Summary of the invention
The invention provides a kind of naked seed water broadcasting method of tobacco seedling, adopt the method to adopt naked seed to carry out seeding and seedling raising link at breeding material, can emergence rate be ensured, and significantly can reduce the kind cave ratio of the many seedling in single cave than naked seed order method, reduce sowing and thinning recruitment, save sowing quantity.
Technical scheme provided by the invention: the naked seed water broadcasting method of described a kind of tobacco seedling, is characterized in that concrete steps are as follows:
(1) seed tray is prepared: with preprepared seedling medium filling seedling-cultivating tray, be then placed in by seedling-cultivating tray on sowing operating desk or be placed in the place being suitable for sowing operation, preparing sowing;
(2) naked seed suspension is prepared: the naked seed seed of tobacco breeding material is taken out the grain weight that can meet sowing needs, be placed in glass or plastic cup, quality and the volume ratio of 25-50 ml is watered by every 0.1 g tobacco naked seed, add appropriate normal-temperature water, jog 4-6 time, makes seed scatter and suspends in water;
(3) glue head dropper instils and sows: adopt glue head glass dropper to draw the naked seed suspension of preparation in appropriate step (2), be instilled in the kind cave of step (1) ready seed tray, each kind of cave instils 1;
(4) nutrient matrix is covered: after sowing terminates, seed tray is put into nursery pond, then evenly spreads lid layer nutrient matrix, thickness is no more than 1 mm.
Described in step (2), glass or plastic cup can be commercially available beaker or conventional cup, and size is advisable with handled easily, General Requirements cup body diameter 50-65cm, rim of a cup diameter 60-75cm, high 70-90cm, capacity 100-200 ml.
The dropper of glue head glass described in step (3) is commercially available conventional straight shape dropper, is made up of, pipe range 90-100 mm, often drips solution and be about 0.05ml rubber pacifier and tip glass tube; Capsule and glass dropper in conjunction with closely air tight, if Capsule is aging, will be changed in time; The using method of described glue head glass dropper is: 1. clamp glass part to keep stable with middle finger and the third finger, the air in dropper is driven out of with thumb and forefinger extruding glue head, then dropper is stretched in the naked seed suspension that step (2) prepares, decontrol finger, suck naked seed suspension; 2. get the dropper after liquid and should keep Rubber end up, do not keep flat or be inverted; 3. during instillation sowing, vertically should be suspended on 0.5 cm place above seedling-cultivating tray kind cave, do not tilt and contact matrix in kind of cave, then extruding glue head gently with thumb and forefinger, seed suspension drop is injected in kind of cave.
Glass, plastic cup and glue head glass dropper described in the inventive method are rinsed well at each breeding material sowing front and back clear water, prevent impurity of seeds.
Beneficial effect of the present invention:
(1) the inventive method utilizes the feature that tobacco seed grain is little, thousand kernel weight is low, by naked seed seed suspension in water, makes seed suspension liquid, adopts the sowing of water broadcast mode, can improve speed of drilling, reduces sowing recruitment, and ensures emergence rate.
(2) the inventive method is according to suitable proportion preparation naked seed suspension, then adopts glue head glass dropper to get drop and injects kind of a cave, can reduce the Seeding Quantity in each kind of cave, reduce the kind cave ratio of the many seedlings in single cave, thus reduce thinning recruitment, save sowing quantity.
The inventive method is applicable to the tobacco seedling mode such as paper-pot cultivation, nutritional bag, tray seedling growth, floating seedlings of tobacco breeding material.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the glue head glass dropper that the inventive method adopts;
Fig. 2 is that the inventive method adopts glue head dropper to draw naked seed suspension schematic diagram;
Fig. 3 is that the inventive method adopts glue head dropper instillation sowing schematic diagram.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated, but embodiments of the present invention are not limited thereto.The test method used in following embodiment if no special instructions, is conventional method.
Embodiment one:
288 hole seedling-cultivating tray seeding and seedling raisings are adopted in booth floating seedlings mode with Du Chuan tobacco experiment station of Fang County.February 1, by seedling-cultivating tray, seedling medium and nursery instrument fumigation, February 20 used lime disinfection bottom seedling pond, and with plastic film floor file in case ooze under water in nursery pond or exosmose.February 25, inject appropriate water to nursery pond, the depth of water 10 cm, every cube of water adds 1 Kg Special compound fertilizer for tobacco (N:P2O5:K2O=10:12:20), stirs evenly with club.February 27 was sowed, and seed is flue-cured tobacco cultivars cloud and mist 87 naked seed of results in August the previous year.
First seedling-cultivating tray is filled with preprepared seedling medium, then be placed in by seedling-cultivating tray on sowing operating desk, dry kind of the program request of half seed tray employing, half seed tray adopts glue head dropper to instil and sows, arrangement same person is sowed, and records often kind of seeding method time used.Be first that the seed of 0.5 g is divided into two parts by weight, aly adopt dry kind of a program request.After a dry kind of program request terminates, another part of seed is poured in 200 ml beakers, add running water 125 ml, jog 4-6 time by the add water quality of 50 ml and volume ratio of 0.1 g tobacco naked seed, seed is scattered and suspends in water.Then appropriate naked seed suspension is drawn with the glue head glass dropper of pipe range 90 mm, vertically be suspended on 0.5 cm place above seedling-cultivating tray kind cave, extrude glue head gently with thumb and forefinger, seed suspension drop is injected in kind of cave, each kind of cave instils 1, often drips solution and is about 0.05ml.After sowing terminates, seed tray is put into nursery pond, plugs the label indicating title material and sowing date, then evenly spread lid layer nutrient matrix, thickness is no more than 1 mm.March 25 counted growth of cereal crop seedlings condition, and thinning, final singling and fill the gaps with seedlings, and recorded between two kinds of seeding methods, recruitment of filling the gaps with seedlings.
Seeding method contrast effect display (table 1), adopts a dry kind of program request, the above ratio of single cave 3 seedling close to 80%, single cave 2 seedling and single cave 1 seedling ratio lower, the sowing amount of labour used is every hundred dishes 2.25 works, and the amount of labour used of filling the gaps with seedlings is every hundred dishes 3.67 works.And adopt glue head dropper water broadcast mode, emergence rate can be ensured equally, and improve speed of drilling, decrease the sowing amount of labour used, every hundred dish amounts of labour used are only 1.30 works, the Seeding Quantity in each kind of cave can be reduced simultaneously, reduce the kind cave ratio of the many seedlings in single cave, the above ratio of single cave 3 seedling is lower than 10%, and majority is single cave 2 seedling and single cave 1 seedling, and then saving sowing quantity and the amount of labour used of filling the gaps with seedlings, the amount of labour used of filling the gaps with seedlings between every hundred dishes is only 0.75 work.
Table 1 flue-cured tobacco cultivars cloud and mist 87 adopts dry kind of program request and glue head dropper water broadcast mode to emerge and recruitment situation
Embodiment two:
288 hole seedling-cultivating tray seeding and seedling raisings are adopted in booth floating seedlings mode with Du Chuan tobacco experiment station of Fang County.February 1, by seedling-cultivating tray, seedling medium and nursery instrument fumigation, February 20 used lime disinfection bottom seedling pond, and with plastic film floor file in case ooze under water in nursery pond or exosmose.February 25, inject appropriate water to nursery pond, the depth of water 10 cm, every cube of water adds 1 Kg Special compound fertilizer for tobacco (N:P2O5:K2O=10:12:20), stirs evenly with club.February 29 was sowed, and seed is the flue-cured tobacco cultivars K326 naked seed of results in August the previous year.
First seedling-cultivating tray is filled with preprepared seedling medium, then be placed in by seedling-cultivating tray on sowing operating desk, dry kind of the program request of half seed tray employing, half seed tray adopts glue head dropper to instil and sows, arrangement same person is sowed, and records often kind of seeding method time used.Be first that the seed of 0.3 g is divided into two parts by weight, aly adopt dry kind of a program request.After a dry kind of program request terminates, another part of seed is poured in 100 ml beakers, add running water 37.5 ml, jog 4-6 time by the add water quality of 25 ml and volume ratio of 0.1 g tobacco naked seed, seed is scattered and suspends in water.Then appropriate naked seed suspension is drawn with the glue head glass dropper of pipe range 100 mm, vertically be suspended on 0.5 cm place above seedling-cultivating tray kind cave, extrude glue head gently with thumb and forefinger, seed suspension drop is injected in kind of cave, each kind of cave instils 1, often drips solution and is about 0.05ml.After sowing terminates, seed tray is put into nursery pond, plugs the label indicating title material and sowing date, then evenly spread lid layer nutrient matrix, thickness is no more than 1 mm.March 28 counted growth of cereal crop seedlings condition, and thinning, final singling and fill the gaps with seedlings, and recorded between two kinds of seeding methods, recruitment of filling the gaps with seedlings.
Table 2 flue-cured tobacco cultivars K326 adopts dry kind of program request and glue head dropper water broadcast mode to emerge and recruitment situation
Seeding method contrast effect display (table 2), adopt a dry kind of program request, the above ratio of single cave 3 seedling is 75.88%, single cave 2 seedling and single cave 1 seedling ratio lower, the sowing amount of labour used is every hundred dishes 2.20 works, and the amount of labour used of filling the gaps with seedlings is every hundred dishes 3.55 works.And adopt glue head dropper water broadcast mode, emergence rate can be ensured equally, and improve speed of drilling, decrease the sowing amount of labour used, every hundred dish amounts of labour used are only 1.25 works, the Seeding Quantity in each kind of cave can be reduced simultaneously, reduce the kind cave ratio of the many seedlings in single cave, the above ratio of single cave 3 seedling is lower than 20%, and most seedling cave is single cave 2 seedling and single cave 1 seedling, and then saving sowing quantity and the amount of labour used of filling the gaps with seedlings, the amount of labour used of filling the gaps with seedlings between every hundred dishes is only 1.20 works.
Claims (4)
1. a naked seed water broadcasting method for tobacco seedling, is characterized in that concrete steps are as follows:
(1) prepare seed tray: load seedling-cultivating tray with seedling medium, put to sowing operation place, prepare sowing;
(2) naked seed suspension is prepared: be placed in by seed in container, be watered quality and the volume ratio of 25-50 ml by every 0.1 g tobacco naked seed, add appropriate normal-temperature water, jog 4-6 time, seed is scattered and suspends in water;
(3) glue head dropper instils and sows: adopt glue head glass dropper to draw the naked seed suspension of preparation in appropriate step (2), be instilled in the kind cave of seed tray, each kind of cave instils 1;
(4) nutrient matrix is covered: seed tray is put into nursery pond, evenly spreads lid layer nutrient matrix, thickness is no more than 1 mm.
2. the naked seed water broadcasting method of a kind of tobacco seedling according to claim 1, is characterized in that: described in step (2), container is plastic cup or glass, cup body diameter 50-65cm, rim of a cup diameter 60-75cm, high 70-90cm, capacity 100-200 ml.
3. the naked seed water broadcasting method of a kind of tobacco seedling according to claim 1 and 2, is characterized in that: the dropper of glue head glass described in step (3) is straight shape dropper, is made up of, pipe range 90-100 mm rubber pacifier and tip glass tube.
4. the naked seed water broadcasting method of a kind of tobacco seedling according to claim 1, it is characterized in that: the using method of the dropper of glue head glass described in step (3) is: 1. clamp glass part with middle finger and the third finger, the air in dropper is driven out of with thumb and forefinger extruding glue head, then dropper is stretched in the naked seed suspension that step (2) prepares, decontrol finger, suck naked seed suspension; 2. get the dropper after liquid and should keep Rubber end up; 3. during instillation sowing, vertically should be suspended on 0.5 cm place above seedling-cultivating tray kind cave, extrude glue head gently with thumb and forefinger, seed suspension drop is injected in kind of cave.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114051862A (en) * | 2021-11-16 | 2022-02-18 | 云南省烟草农业科学研究院 | Tobacco naked seed suspension dibbling method based on matrix seedling raising tray |
CN114402982A (en) * | 2022-01-17 | 2022-04-29 | 北京市农林科学院 | Simple and efficient cultivation method for broccoli sprout |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114051862A (en) * | 2021-11-16 | 2022-02-18 | 云南省烟草农业科学研究院 | Tobacco naked seed suspension dibbling method based on matrix seedling raising tray |
CN114402982A (en) * | 2022-01-17 | 2022-04-29 | 北京市农林科学院 | Simple and efficient cultivation method for broccoli sprout |
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Application publication date: 20150603 |