CN103621276A - Method of growing seedlings of senecio cineraria in open field - Google Patents
Method of growing seedlings of senecio cineraria in open field Download PDFInfo
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Abstract
The invention discloses a method of growing seedlings of senecio cineraria in an open field, and belongs to the technical field of plant cultivation. By means of optimizing all parameters in the method of growing the seedlings of the senecio cineraria in the open field, the quality of the seedlings is further guaranteed. Carbendazim with the concentration of 0.05% is used for processing seeds of the senecio cineraria so that pathogens and microorganisms carried by the seeds can be killed; a gibberellin solution with the concentration of 2 milligrams per liter is used for processing the seeds so that germination of the seeds can be promoted, and the germination rate and emergence uniformity of the seeds can be increased; during seedling management in a later period, a monopotassium phosphate solution with the concentration of 0.1% and a thoroughly decomposed cake fertilizer solution which is diluted for 100 times can be used for promoting the growth of the seedlings, keeping a full stand of the seedlings, and strengthening the seedlings. By means of the method, time for the emergence of the seedlings of the senecio cineraria can be shortened by 5-10 days, the germination rate is increased, the emergence uniformity is guaranteed, the seedling growing time can also be shortened by 15-20 days, 20-30 days are saved totally from the seeding time to the time when the seedlings are implanted into nutrition bowls, as a result, production efficiency of the senecio cineraria can be improved, and cost can be reduced.
Description
Technical field
The present invention is specifically related to a kind of Senecio cineraria open country seedling-cultivating method, belongs to cultivation of plants technical field.
Background technology
Senecio cineraria, composite family, bachelor's-button, is herbaceos perennial.Senecio cineraria tow sides drape over one's shoulders white fine hair, and during mass-planting, white blade, just as the cloud of a slice white, is inlayed with the pure color flower configuration of other colors, and effect is splendid, are important flower bed and flower border ornamental foliage plants.
Senecio cineraria can be used seminal propagation, also can use cottage propagation, but the growing way of cuttage seeding is not as tree seedling in actual production, cuttage seeding is taken root slowly, root system is undeveloped, the fluffy footpath of acrial part is little, plant type is short, blade is dry thin, have a strong impact on appreciation effect, therefore, the methods that adopt seed propagation more, but seed propagation is Shortcomings part also: seed Sprouting rate is slow, sprout irregular, bud ratio low (open country grow seedlings bud ratio be only 20～28%), and seedling stage, plant strain growth was comparatively slow, generally sprouting needs after neat 55～65 talentes can above nutritive cube.
Summary of the invention
The object of this invention is to provide and a kind ofly can shorten the Senecio cineraria Senecio cineraria open country seedling-cultivating method in seedling stage.
In order to realize above object, the technical solution adopted in the present invention is:
A Senecio cineraria open country seedling-cultivating method, comprises the following steps:
(1) selection of seed: select substantial, full, without the Senecio cineraria seed of mildew, musty, 0.415～0.442 gram of thousand grain weigth, thickness of sowing is 3000/square metre, 1.245～1.326 grams/m;
(2) selection in place: sowing seedbed selectively gesture high, be difficult for ponding, sun-drenched place, place soil was sandy loam or the improvement yellow clay of 0.5 centimetre of sieve, after paving, cover the fine sand soil of the sterile-processed mistake of one deck 100 mesh sieves thereon, in seedbed, surrounding plays furrow, furrow scrape out the drain ditch of dark 25 centimetres, wide 20～30 centimetres outward, in case ponding is built the shed of high 80 centimetres on seedbed, the shady net of the outer covering of shed shelters from heat or light, and the outer covered with plastic film moisturizing of shady net is standby;
(3) processing of seed: soak seed in the carbendazim solution that is 0.5 ‰ in concentration by Senecio cineraria seed 15～25 minutes, filter, with distilled water, wash away how clever bacterium, in concentration, be under room temperature, to soak seed 12 hours in the Gibberellins solution of 2 mg/litre again, filter, with distilled water, wash away gibberellin, be then placed on the blotting paper through disinfection by ultraviolet light and suck moisture, prepare fine sand soil simultaneously, the fine sand soil of disinfecting through aestivate Exposure to Sunlight is crossed to 100 mesh sieves standby;
(4) sowing: the sowing time is that annual mid-August is to early September, mean temperature of air is 25～28 ℃, first adopt spray pattern that seedbed is watered permeable, Senecio cineraria seed and the fine sand soil processed are fully mixed thoroughly, the weight ratio of seed and fine sand soil is 1:300, then evenly be sprinkling upon on the standby seedbed of step (2), then on seedbed, cover the fine sand soil of 1～2 millimeter;
(5) emerge: by Senecio cineraria after planting in air themperature, be that 22～29 ℃, air humidity are 60～70%, soil pH value is 6.8～7.2, soil moisture is 82～88%, intensity of illumination is to cultivate under 2200～2900lux condition, while being cultured to 7～9 days, neatly sprout;
(6) seedling management: sprout after neat a week, adopt spray-on process to spray the potassium dihydrogen phosphate that concentration is 0.1%, interval sprays once for 6～7 days, when just seeing 4 true leaves, fill with and execute the cake fertilizer water that becomes thoroughly decomposed that once dilutes 100 times, the rich water watering because of carelessness on blade rinses with clear water in time, within 40～45 days after emerging, gets final product nutritive cube and cultivates seedling.
Improvement yellow clay in described step (2) for the seedbed topsoil of yellow clay is changed 20 centimeters thick, inserted the rural area soil of 0.5 centimetre of screen cloth.
The shade net that open country is grown seedlings mainly by the rate of sheltering from heat or light 50% in described step (5) shelters from heat or light, cooling, controlled light, covered with plastic film controlled humidity etc.
The cake fertilizer water that becomes thoroughly decomposed in described step (6) is to be immersed in the closed container that fills 8～10 times of water gagings after the cake fertilizer pulverizing of drying, and becomes thoroughly decomposed 30～45 days at 25～33 ℃, adds the ferrous sulfate that accounts for the cake fertilizer water 0.2～0.5% that becomes thoroughly decomposed to mix after becoming thoroughly decomposed.
General, after 100 jin of cake fertilizer of drying can being pulverized, be immersed in 80 centimetres of bores, the cylinder of high 1.2 meters, add water to from cylinder mouth 20 centimeters, cover with Polypropylence Sheet, can becoming thoroughly decomposed 1 month summer or become thoroughly decomposed at 25～33 ℃ of temperature, (visually observing cylinder surfaces had mould layer, frequently has bubble to emerge in 35～45 days; Become thoroughly decomposed spring and need the time of 3～4 months), after becoming thoroughly decomposed, in cylinder, add again 800～2000 grams, ferrous sulfate, mix thoroughly and can use.
Beneficial effect of the present invention:
Senecio cineraria open country seedling-cultivating method in the present invention not only can shorten the seedling-growing time of Senecio cineraria, improves germination rate, guarantees to emerge regularity, can also significantly shorten whole growing-seedling period, improves the production efficiency of Senecio cineraria, cost-saving.Adopt the inventive method can shorten seedling-growing time 5～10 days, shorten seedling raise period 15～20 days, from starting to be seeded into nutritive cube, save time altogether 20～30 days.
The present invention, by optimizing each parameter in Senecio cineraria open country seedling-cultivating method, has further guaranteed seedling quality.Wherein, adopt the carbendazim of 0.5 ‰ concentration to process Senecio cineraria seed, can kill pathogene and microorganism that seed carries; Adopting concentration is the Gibberellins solution processing of 2 mg/litre, can promote the sprouting of seed, improves the germination rate of seed and the regularity of emerging; Later stage seedling management adopts the cake fertilizer water that becomes thoroughly decomposed of 100 times of potassium dihydrogen phosphate that concentration is 0.1% and dilutions can promote growth of seedling, keeps a full stand of seedings, strong sprout.
Embodiment
Following embodiment is only described in further detail the present invention, but does not form any limitation of the invention.
Embodiment 1
Senecio cineraria open country seedling-cultivating method in the present embodiment, comprises the following steps:
(1) selection of seed: select substantial, full, without the Senecio cineraria seed of mildew, musty, 0.428 gram of thousand grain weigth, thickness of sowing is 3000/square metre;
(2) selection in place: sowing seedbed selectively gesture high, be difficult for ponding, sun-drenched place, place soil was the sandy loam of 0.5 centimetre of sieve, after paving, cover the fine sand soil of the sterile-processed mistake of one deck 100 mesh sieves thereon, in seedbed, surrounding plays furrow, furrow scrape out the drain ditch of dark 25 centimetres, wide 30 centimetres outward, in case ponding is built the shed of high 80 centimetres on seedbed, the shady net of the outer covering of shed shelters from heat or light, the outer covered with plastic film moisturizing of shady net;
(3) processing of seed: soak seed in the carbendazim solution that is 0.5 ‰ in concentration by Senecio cineraria seed 20 minutes, filter, with distilled water, wash away how clever bacterium, in concentration, be under room temperature, to soak seed 12 hours in the Gibberellins solution of 2 mg/litre again, filter, with distilled water, seed is rinsed more than 3 times, to remove surperficial Gibberellins solution, then be placed on the blotting paper through disinfection by ultraviolet light and suck moisture, prepare fine sand soil simultaneously, the fine sand soil of disinfecting through aestivate Exposure to Sunlight is crossed to 100 mesh sieves standby;
(4) sowing: the sowing time is late August, mean temperature of air is 25～28 ℃, first adopt spray pattern that seedbed is watered permeable, Senecio cineraria seed and the fine sand soil processed are fully mixed thoroughly, the weight ratio of seed and fine sand soil is 1:300, then evenly be sprinkling upon on seedbed, then on seedbed, cover the fine sand soil of 1 millimeter;
(5) emerge: by Senecio cineraria after planting in air themperature, be that 22～25 ℃, air humidity are 60～65%, soil pH value is 7.0, soil moisture is 82～84%, intensity of illumination is to cultivate under 2200～2500lux condition, be cultured to the 5th day existing seed and expose plumule, the 6th day prominent the breaking in the seed coat of most of radicle, in the time of the 7th day, neatly sprout, bud ratio is 89.87%;
(6) seedling management: sprout after neat a week, adopt spray-on process to spray the potassium dihydrogen phosphate that concentration is 0.1%, interval sprays once for 6～7 days, when just seeing 4 true leaves, fill with and execute the cake fertilizer water that becomes thoroughly decomposed that once dilutes 100 times, the rich water watering because of carelessness on blade rinses with clear water in time, within 42 days after emerging, gets final product nutritive cube and cultivates seedling.
The cake fertilizer water that becomes thoroughly decomposed in described step (6) is to be immersed in the closed container that fills 9 times of water gagings after the cake fertilizer pulverizing of drying, and becomes thoroughly decomposed 40 days at 25～28 ℃, adds the ferrous sulfate that accounts for the cake fertilizer water 0.5% that becomes thoroughly decomposed to mix after becoming thoroughly decomposed.
Embodiment 2
Senecio cineraria open country seedling-cultivating method in the present embodiment, comprises the following steps:
(1) selection of seed: select substantial, full, without the Senecio cineraria seed of mildew, musty, 0.415 gram of thousand grain weigth, thickness of sowing is 3000/square metre;
(2) selection in place: selectively gesture is high in sowing seedbed, be difficult for ponding, sun-drenched place, place soil was the improvement yellow clay of 0.5 centimetre of sieve, improvement yellow clay is thick for the seedbed topsoil of yellow clay being changed to 20 centimeters, inserted the rural area soil of 0.5 centimetre of screen cloth, after paving, cover the fine sand soil of the sterile-processed mistake of one deck 100 mesh sieves thereon, in seedbed, surrounding plays furrow, furrow scrape out dark 25 centimetres outward, the drain ditch of wide 30 centimetres, in case ponding, on seedbed, build the shed of high 80 centimetres, the shady net of the outer covering of shed shelters from heat or light, the outer covered with plastic film moisturizing of shady net,
(3) processing of seed: soak seed in the carbendazim solution that is 0.5 ‰ in concentration by Senecio cineraria seed 25 minutes, filter, with distilled water, wash away how clever bacterium, in concentration, be under room temperature, to soak seed 12 hours in the Gibberellins solution of 2 mg/litre again, filter, with distilled water, seed is rinsed more than 3 times, to remove surperficial Gibberellins solution, then be placed on the blotting paper through disinfection by ultraviolet light and suck moisture, prepare fine sand soil simultaneously, the fine sand soil of disinfecting through aestivate Exposure to Sunlight is crossed to 100 mesh sieves standby;
(4) sowing: the sowing time is mid-August, mean temperature of air is 25～28 ℃, first adopt spray pattern that seedbed is watered permeable, Senecio cineraria seed and the fine sand soil processed are fully mixed thoroughly, the weight ratio of seed and fine sand soil is 1:300, then evenly be sprinkling upon on seedbed, then on seedbed, cover the fine sand soil of 1 millimeter;
(5) emerge: by Senecio cineraria after planting in air themperature, be that 25～29 ℃, air humidity are 60～65%, soil pH value is 7.2, soil moisture is 82～85%, intensity of illumination is to cultivate under 2500～2900lux condition, be cultured to the 6th day existing seed and expose plumule, the 8th day prominent the breaking in the seed coat of most of radicle, in the time of the 9th day, neatly sprout, bud ratio is 90.21%;
(6) seedling management: sprout after neat a week, adopt spray-on process to spray the potassium dihydrogen phosphate that concentration is 0.1%, interval sprays once for 6～7 days, when just seeing 4 true leaves, fill with and execute the cake fertilizer water that becomes thoroughly decomposed that once dilutes 100 times, the rich water watering because of carelessness on blade rinses with clear water in time, within 40 days after emerging, gets final product nutritive cube and cultivates seedling.
The cake fertilizer water that becomes thoroughly decomposed in described step (6) is to be immersed in the closed container that fills 10 times of water gagings after the cake fertilizer pulverizing of drying, and becomes thoroughly decomposed 30 days at 30～33 ℃, adds the ferrous sulfate that accounts for the cake fertilizer water 0.5% that becomes thoroughly decomposed to mix after becoming thoroughly decomposed.
Embodiment 3
Senecio cineraria open country seedling-cultivating method in the present embodiment, comprises the following steps:
(1) selection of seed: select substantial, full, without the Senecio cineraria seed of mildew, musty, 0.442 gram of thousand grain weigth, thickness of sowing is 3000/square metre;
(2) selection in place: sowing seedbed selectively gesture high, be difficult for ponding, sun-drenched place, place soil was the sandy loam of 0.5 centimetre of sieve, after paving, cover the fine sand soil of the sterile-processed mistake of one deck 100 mesh sieves thereon, in seedbed, surrounding plays furrow, furrow scrape out the drain ditch of dark 25 centimetres, wide 30 centimetres outward, in case ponding is built the shed of high 80 centimetres on seedbed, the shady net of the outer covering of shed shelters from heat or light, the outer covered with plastic film moisturizing of shady net;
(3) processing of seed: soak seed in the carbendazim solution that is 0.5 ‰ in concentration by Senecio cineraria seed 20 minutes, filter, with distilled water, wash away how clever bacterium, in concentration, be under room temperature, to soak seed 12 hours in the Gibberellins solution of 2 mg/litre again, filter, with distilled water, seed is rinsed more than 3 times, to remove surperficial Gibberellins solution, then be placed on the blotting paper through disinfection by ultraviolet light and suck moisture, prepare fine sand soil simultaneously, the fine sand soil of disinfecting through aestivate Exposure to Sunlight is crossed to 100 mesh sieves standby;
(4) sowing: the sowing time is early September, mean temperature of air is 23～27 ℃, first adopt spray pattern that seedbed is watered permeable, Senecio cineraria seed and the fine sand soil processed are fully mixed thoroughly, the weight ratio of seed and fine sand soil is 1:300, then evenly be sprinkling upon on seedbed, then on seedbed, cover the fine sand soil of 2 millimeters;
(5) emerge: by Senecio cineraria after planting in air themperature, be that 23～27 ℃, air humidity are 65～70%, soil pH value is 6.8, soil moisture is 85～88%, intensity of illumination is to cultivate under 2200～2500lux condition, be cultured to the 6th day existing seed and expose plumule, the 8th day prominent the breaking in the seed coat of most of radicle, in the time of the 9th day, neatly sprout, bud ratio is 91.68%;
(6) seedling management: sprout after neat a week, adopt spray-on process to spray the potassium dihydrogen phosphate that concentration is 0.1%, interval sprays once for 6～7 days, when just seeing 4 true leaves, fill with and execute the cake fertilizer water that becomes thoroughly decomposed that once dilutes 100 times, the rich water watering because of carelessness on blade rinses with clear water in time, within 40 days after emerging, gets final product nutritive cube and cultivates seedling.
The cake fertilizer water that becomes thoroughly decomposed in described step (6) is to be immersed in the closed container that fills 8 times of water gagings after the cake fertilizer pulverizing of drying, and becomes thoroughly decomposed 42 days at 27～30 ℃, adds the ferrous sulfate that accounts for the cake fertilizer water 0.2% that becomes thoroughly decomposed to mix after becoming thoroughly decomposed.
Comparative example 1
Senecio cineraria open country seedling-cultivating method in this comparative example, comprises the following steps:
(1) selection of seed: select substantial, full, without the Senecio cineraria seed of mildew, musty, 0.442 gram of thousand grain weigth, thickness of sowing is 3000/square metre;
(2) selection in place: sowing seedbed selectively gesture high, be difficult for ponding, sun-drenched place, place soil was the sandy loam of 0.5 centimetre of sieve, after paving, cover the fine sand soil of the sterile-processed mistake of one deck 100 mesh sieves thereon, in seedbed, surrounding plays furrow, furrow scrape out the drain ditch of dark 25 centimetres, wide 30 centimetres outward, in case ponding is built the shed of high 80 centimetres on seedbed, the shady net of the outer covering of shed shelters from heat or light, the outer covered with plastic film moisturizing of shady net;
(3) processing of seed: Senecio cineraria seed is soaked seed 20 minutes in pure water, filter, be then placed on the blotting paper through disinfection by ultraviolet light and suck moisture, prepare fine sand soil simultaneously, the fine sand soil of disinfecting through aestivate Exposure to Sunlight is crossed to 100 mesh sieves standby;
(4) sowing: the sowing time is early September, mean temperature of air is 23～27 ℃, first adopt spray pattern that seedbed is watered permeable, Senecio cineraria seed and the fine sand soil processed are fully mixed thoroughly, the weight ratio of seed and fine sand soil is 1:300, then evenly be sprinkling upon on seedbed, then on seedbed, cover the fine sand soil of 2 millimeters;
(5) emerge: by Senecio cineraria after planting in air themperature, be that 23～27 ℃, air humidity are 65～70%, soil pH value is 6.8, soil moisture is 85～88%, intensity of illumination is to cultivate under 2200～2500lux condition, be cultured to the 10th day existing seed and expose plumule, the 15th day prominent the breaking in the seed coat of most of radicle, in the time of the 18th day, neatly sprout, bud ratio is 26.15%;
(6) seedling management: adopt whole seedling stage through the Exposure to Sunlight clear water of two days, the dry water that sprays is seen in seedbed, and keeping soil moisture is 85～88%, and 65 nutritive cubes in the sky are cultivated seedling after emerging.
Comparative example 2
Senecio cineraria open country seedling-cultivating method in this comparative example, comprises the following steps:
(1) selection of seed: select substantial, full, without the Senecio cineraria seed of mildew, musty, 0.442 gram of thousand grain weigth, thickness of sowing is 3000/square metre;
(2) selection in place: sowing seedbed selectively gesture high, be difficult for ponding, sun-drenched place, place soil was the sandy loam of 0.5 centimetre of sieve, after paving, cover the fine sand soil of the sterile-processed mistake of one deck 100 mesh sieves thereon, in seedbed, surrounding plays furrow, furrow scrape out the drain ditch of dark 25 centimetres, wide 30 centimetres outward, in case ponding is built the shed of high 80 centimetres on seedbed, the shady net of the outer covering of shed shelters from heat or light, the outer covered with plastic film moisturizing of shady net;
(3) processing of seed: soak seed in the carbendazim solution that is 0.5 ‰ in concentration by Senecio cineraria seed 20 minutes, filter, with distilled water, wash away how clever bacterium, in concentration, be under room temperature, to soak seed 12 hours in the Gibberellins solution of 1 mg/litre again, filter, with distilled water, seed is rinsed more than 3 times, to remove surperficial Gibberellins solution, then be placed on the blotting paper through disinfection by ultraviolet light and suck moisture, prepare fine sand soil simultaneously, the fine sand soil of disinfecting through aestivate Exposure to Sunlight is crossed to 100 mesh sieves standby;
(4) sowing: the sowing time is early September, mean temperature of air is 23～27 ℃, first adopt spray pattern that seedbed is watered permeable, Senecio cineraria seed and the fine sand soil processed are fully mixed thoroughly, the weight ratio of seed and fine sand soil is 1:300, then evenly be sprinkling upon on seedbed, then on seedbed, cover the fine sand soil of 2 millimeters;
(5) emerge: by Senecio cineraria after planting in air themperature, be that 23～27 ℃, air humidity are 65～70%, soil pH value is 6.8, soil moisture is 85～88%, intensity of illumination is to cultivate under 2200～2500lux condition, be cultured to the 8th day existing seed and expose plumule, the 10th day prominent the breaking in the seed coat of most of radicle, in the time of the 12nd day, neatly sprout, bud ratio is 66.21%;
(6) seedling management: the urea that whole seedling spraying concentration is 0.8 ‰ 2 times, between to execute ampoule be that (composite fertilizer's name is called little Hong Ma board composite fertilizer for the composite fertilizer of 30 grams/m, N-P-K:45-15-15, purchased from Henan Zhumadian chemical fertilizer factory), within 60 days after emerging, get final product nutritive cube and cultivate seedling.
Comparative example 3
Senecio cineraria open country seedling-cultivating method in this comparative example, comprises the following steps:
(1) selection of seed: select substantial, full, without the Senecio cineraria seed of mildew, musty, 0.442 gram of thousand grain weigth, thickness of sowing is 3000/square metre;
(2) selection in place: sowing seedbed selectively gesture high, be difficult for ponding, sun-drenched place, place soil was the sandy loam of 0.5 centimetre of sieve, after paving, cover the fine sand soil of the sterile-processed mistake of one deck 100 mesh sieves thereon, in seedbed, surrounding plays furrow, furrow scrape out the drain ditch of dark 25 centimetres, wide 30 centimetres outward, in case ponding is built the shed of high 80 centimetres on seedbed, the shady net of the outer covering of shed shelters from heat or light, the outer covered with plastic film moisturizing of shady net;
(3) processing of seed: soak seed in the carbendazim solution that is 0.5 ‰ in concentration by Senecio cineraria seed 20 minutes, filter, with distilled water, wash away how clever bacterium, in concentration, be under room temperature, to soak seed 12 hours in the Gibberellins solution of 2 mg/litre again, filter, with distilled water, seed is rinsed more than 3 times, to remove surperficial Gibberellins solution, then be placed on the blotting paper through disinfection by ultraviolet light and suck moisture, prepare fine sand soil simultaneously, the fine sand soil of disinfecting through aestivate Exposure to Sunlight is crossed to 100 mesh sieves standby;
(4) sowing: the sowing time is early September, mean temperature of air is 23～27 ℃, first adopt spray pattern that seedbed is watered permeable, Senecio cineraria seed and the fine sand soil processed are fully mixed thoroughly, the weight ratio of seed and fine sand soil is 1:300, then evenly be sprinkling upon on seedbed, then on seedbed, cover the fine sand soil of 2 millimeters;
(5) emerge: by Senecio cineraria after planting in air themperature, be that 23～27 ℃, air humidity are 65～70%, soil pH value is 6.8, soil moisture is 85～88%, intensity of illumination is to cultivate under 2200～2500lux condition, be cultured to the 6th day existing seed and expose plumule, the 8th day prominent the breaking in the seed coat of most of radicle, in the time of the 9th day, neatly sprout, bud ratio is 91.68%;
(6) seedling management: the urea that whole seedling spraying concentration is 0.8 ‰ 2 times, execute the cake fertilizer water that becomes thoroughly decomposed that once dilutes 200 times, the rich water watering because of carelessness on blade rinses with clear water in time, after emerging 55 days can on nutritive cube cultivate seedling.
Claims (4)
1. a Senecio cineraria open country seedling-cultivating method, is characterized in that: comprise the following steps:
(1) selection of seed: get Senecio cineraria seed, thousand grain weigth is 0.415～0.442 gram, and thickness of sowing is 3000/square metre;
(2) selection in place: place soil was sandy loam or the improvement yellow clay of 0.5 centimetre of sieve, after paving, cover the fine sand soil of the sterile-processed mistake of one deck 100 mesh sieves thereon, in seedbed, surrounding plays furrow, furrow scrape out the drain ditch of dark 25 centimetres, wide 20～30 centimetres outward, on seedbed, build the shed of high 80 centimetres, the shady net of the outer covering of shed shelters from heat or light, and the outer covered with plastic film moisturizing of shady net is standby;
(3) processing of seed: soak seed in the carbendazim solution that is 0.5 ‰ in concentration by Senecio cineraria seed 15～25 minutes, filter, with distilled water, wash away how clever bacterium, in concentration, be under room temperature, to soak seed 12 hours in the Gibberellins solution of 2 mg/litre again, filter, with distilled water, wash away gibberellin, be then placed on the blotting paper through disinfection by ultraviolet light and suck moisture;
(4) sowing: the sowing time be annual mid-August to early September, first adopt spray pattern that seedbed is watered permeable, the seed of processing and fine sand soil are fully mixed thoroughly, be then evenly sprinkling upon on seedbed, then on seedbed, cover the fine sand soil of 1～2 millimeter;
(5) emerge: by Senecio cineraria after planting in air themperature, be that 22～29 ℃, air humidity are 60～70%, soil pH value is 6.8～7.2, soil moisture is 82～88%, intensity of illumination is to cultivate under 2200～2900lux condition, while being cultured to 7～9 days, neatly sprout;
(6) seedling management: sprout after neat a week, adopt spray-on process to spray the potassium dihydrogen phosphate that concentration is 0.1%, interval sprays once for 6～7 days, when just seeing 4 true leaves, fills with and executes the cake fertilizer water that becomes thoroughly decomposed that once dilutes 100 times, within 40～45 days after emerging, gets final product nutritive cube and cultivates seedling.
2. Senecio cineraria open country seedling-cultivating method according to claim 1, is characterized in that: the improvement yellow clay in described step (2) for the seedbed topsoil of yellow clay is changed 20 centimeters thick, inserted the rural area soil of 0.5 centimetre of screen cloth.
3. Senecio cineraria open country seedling-cultivating method according to claim 1, is characterized in that: in described step (4), the weight ratio of Senecio cineraria seed and fine sand soil is 1:300.
4. according to the Senecio cineraria open country seedling-cultivating method described in claim 1-3 any one, it is characterized in that: the cake fertilizer water that becomes thoroughly decomposed in described step (6) is to be immersed in the closed container that fills 8～10 times of water gagings after the cake fertilizer pulverizing of drying, at 25～33 ℃, become thoroughly decomposed 30～45 days, after becoming thoroughly decomposed, add the ferrous sulfate that accounts for the cake fertilizer water 0.2～0.5% that becomes thoroughly decomposed to mix.
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| CN102144486A (en) * | 2011-01-18 | 2011-08-10 | 苏州大学 | High-efficiency rapid seedling breeding method of gazania |
| CN102835238A (en) * | 2012-08-29 | 2012-12-26 | 利川市金海生物科技有限公司 | Seedling raising method for pigment marigold |
| CN102835237A (en) * | 2012-08-29 | 2012-12-26 | 利川市金海生物科技有限公司 | Facility seedling method for pigment marigolds |
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2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102144486A (en) * | 2011-01-18 | 2011-08-10 | 苏州大学 | High-efficiency rapid seedling breeding method of gazania |
| CN102132657A (en) * | 2011-01-27 | 2011-07-27 | 赣州菊隆高科技实业有限公司 | Seedling raising technology for stevia rebaudiana |
| CN102835238A (en) * | 2012-08-29 | 2012-12-26 | 利川市金海生物科技有限公司 | Seedling raising method for pigment marigold |
| CN102835237A (en) * | 2012-08-29 | 2012-12-26 | 利川市金海生物科技有限公司 | Facility seedling method for pigment marigolds |
Non-Patent Citations (2)
| Title |
|---|
| 秦锦虎: "白叶植物―芙蓉菊与银叶菊", 《园林》, no. 03, 31 December 2008 (2008-12-31), pages 70 - 71 * |
| 陈传捷: "观叶良材―银叶菊", 《中国花卉盆景》, no. 02, 31 December 2001 (2001-12-31), pages 11 * |
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