CN101720621B - Method for rejuvenating and culturing seedlings of sianchau - Google Patents

Method for rejuvenating and culturing seedlings of sianchau Download PDF

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CN101720621B
CN101720621B CN2010103000607A CN201010300060A CN101720621B CN 101720621 B CN101720621 B CN 101720621B CN 2010103000607 A CN2010103000607 A CN 2010103000607A CN 201010300060 A CN201010300060 A CN 201010300060A CN 101720621 B CN101720621 B CN 101720621B
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cuttage
celestial
seedlings
seedling
celestial grass
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CN101720621A (en
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陈菁瑛
苏海兰
黄颖桢
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Institute of Agricultural Biological Resources of Fujian Academy of Agricultural Sciences
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Institute of Agricultural Biological Resources of Fujian Academy of Agricultural Sciences
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Abstract

The invention relates to a method for rejuvenating and culturing seedlings of sianchau, which comprises the following steps: 1, culturing a mother plant of the sianchau, namely culturing a sinachau plant which is robust without insect disease in a vigorous growth period of the sianchau; and 2, culturing the seedlings by cutting, namely from February to April of the next year, selecting good mother plants, shearing cutting wood, performing slurry dipping treatment on base parts of the cutting wood, arranging the cutting wood in a dug channel on a sianchau culturing field, covering soil to make the length of the cutting wood exposed out of the ground half to one fourth of the total length, watering rooting water thoroughly, covering a thin film and a sunshade net to keep the soil moist, after 9 to 12 days, removing the thin film and the sunshade net, thinly watering 0.1 to 0.5 percent aqueous solution of ammonium carbonate to strengthen the seedlings, and after 15 to 25 days, digging the seedlings with the soil and transplanting the seedlings to a planting field. The method ensures that the seedlings of the sianchau have high survival rate, good quality, consistent growth in the field at a later stage, low disease rate, high yield and convenient to manage, and can greatly reduce cost, labor force investment and consumption of agricultural chemicals, and improve product quality.

Description

The rejuvenation seedling-cultivating method of celestial grass
Technical field
The present invention relates to a kind of breeding method of celestial grass, particularly a kind of rejuvenation seedling-cultivating method of celestial grass.
Background technology
Celestial grass be the celestial careless genus annual herb plant of Labiatae, is a kind of important medicine food dual purpose plant resource, and celestial careless herb dry sample contains 70% carbohydrate, about 10% general flavone, is rich in the coffee pigment, also contains more mineral element, the medical value height." Chinese medicine voluminous dictionary " record: celestial careless nature and flavor are puckery, sweet, cold, and the clear heat of tool quenches one's thirst, the effect of cool blood relieving summer-heat and diuresis.Cure mainly heatstroke, children's's jealous woman blister, erysipelas are gone into abdomen, are quenched one's thirst, flu, hypertension, jaundice, kidney trouble, diabetes and pain of joint muscle etc.As " guangdong herbal tea particle ", popular in the market Guangdong " Wang Laoji ", Fujian " with its just ", Taiwan " the celestial grass honey in Mount Taishan " and products such as " Guiling Jellies " all be to be primary raw material with celestial grass, along with the mainstream demand of human back to nature with to favor green, organic food, add unique drug effect of celestial grass and the purposes that can be processed into numerous food product, beverage and commodity, celestial grass is worth significantly and promotes, therefore, celestial careless market prospects are very wide.
Because a large amount of purchases of more and more in recent years pharmacy and cold tea enterprise, the open-air resource of celestial grass has been on the brink of exhaustion, the output breach is bigger, the celestial grass planting area in the whole nation over nearly 3 years the speed with annual 30% enlarging, therefore, the high-quality and efficient kind method for planting of the celestial grass of research, the output and the quality of the celestial grass of raising, the economic benefit that increases peasant planting is significant.Both at home and abroad celestial careless research is focused mostly on aspect constituent analysis and utilizing at present, the research of relevant specification planting technology is less.Mainly there is the deficiency of following several respects in the careless seedling-cultivating method of existing celestial being: one, do not grow seedlings, the celestial careless old man that the field was stayed last one year is used as the seedling in 1 year, continues as the continuous cropping of production field, does not turn over and plants.The shortcoming that exists is as follows: field, the back piece of gathering does not carry out the winter and teds white, remove foreign material such as field plant invalid body and weeds, to increase field wintering bacterium source and worm source amount, secondly the old man of last one year itself may be in spite of illness, and the soil is not suitable for continuous plantation, therefore celestial grass planting yields poorly, and morbidity is serious.Two, the celestial careless old man that the field was stayed last one year is used as the cuttage maternal plant clip plugged ear in 1 year, has following shortcoming: growing way is weak, poor, the sick worm harm of resistance is serious, yield poorly; Three, the cuttage and the operation of growing seedlings rigorous and scientific not causes seedling to carry bacterium source and worm sources such as disease worm.Four, do not carry out the management and the cultivation of science, so survival rate is low, growing way is weak, resistance is poor, damage by disease and insect is serious, yield poorly.
Summary of the invention
The object of the present invention is to provide a kind of rejuvenation seedling-cultivating method of celestial grass, adopt the rejuvenation seedling-cultivating method of celestial grass of the present invention, celestial grass seeds shoot survival percent height, the quality not only cultivated are good, later stage field growing unanimity, the incidence of disease be low, be convenient to management, output height, and can significantly reduce cost and labour's input, reduce the use of agricultural chemicals, improve the quality of products.
Technical solution of the present invention is to constitute like this: the rejuvenation seedling-cultivating method of celestial grass is characterized in that it may further comprise the steps:
(1) cultivate celestial careless maternal plant: grow at celestial grass and choose the celestial careless plant of healthy and strong and anosis worm harm vigorous period, the plugged ear of clip 7-15cm, cuttage is watered normal root water afterwards in the female parent of putting in order is grown seedlings ground, cover the sunshade net, carries out conventional water and fertilizer management subsequently; At the beginning of 11 months then, remove the sunshade net, above female parent is grown seedlings ground, cover insulation film made, strengthen liquid manure and weeding management;
(2) cuttage and seedling culture:
1. during February-April of next year, in growing seedlings ground, female parent selects the anosis worm harm that cultivates and the good maternal plant of robust growth, and the cuttage fringe that clip 5-12cm is long inserts cuttage fringe base portion and is stained with slurry in the mud of becoming reconciled in advance and handles;
2. in the celestial grass of putting in order the in advance ditching on the ground of growing seedlings, the cuttage fringe of handling well is emitted in the ditch that digs, the biology upper end that makes the cuttage fringe during discharging up, the biology lower end is down; Earthing afterwards, the length that is basseted in the biology upper end of cuttage fringe is the 1/2-1/4 of cuttage fringe length overall; In time irrigate normal root water afterwards, cover film and sunshade net, make soil conservation moistening; After cuttage and seedling culture to the 9-12 days, throw off film and sunshade net, rare watering the carbonic acid ammonia spirit strong sprout that concentration is 0.1%-0.5%; After cuttage and seedling culture to the 15-25 days, be with native lifting to be transplanted to the plantation field.
Technique scheme of the present invention has also been done following improvement:
For the further effectively sick worm harm such as stem rot of the celestial grass of control, in step (1) and the step (2), require described female parent all to select away from celestial being careless eqpidemic disease district with celestial grass and the soil is porous, previous crops is that the water field piece of tilling land is as seedling ground with growing seedlings with growing seedlings.
In order further effectively to control the stem rot of celestial grass, step (1) with the plugged ear cuttage of clip before the female parent of putting in order is grown seedlings ground, earlier the agricultural streptomycin of plugged ear with 800-1000 times of volume soaked 7-15 minute, perhaps the Thiodiazole-copper with 500-800 times of volume soaked 6-10 minute.
In order further to control seedling problem in spite of illness,, should adopt the clip instrument of sterilization in advance when clip plugged ear or cuttage fringe so that cultivate anosis, healthy and strong seedling.Described clip instrument can be with 75% alcohol repeatedly wiping scissors or soak scissors behind 20~30min with 1% potassium permanganate.
Equally, in order further effectively to control the stem rot of celestial grass, step (2) 1. in, cuttage fringe base portion inserted be stained with in the mud become reconciled in advance before slurry handles, elder generation is immersed in the cuttage fringe agricultural streptomycin 7-15 minute of 800-1000 times of volume, perhaps the Thiodiazole-copper with 500-800 times of volume soaked 6-10 minute, was stained with slurry again behind the taking-up drip-dry moisture and handled.
For the ease of carrying out cuttage and seedling culture, 2. the of step (2) is put the described celestial grass ground of growing seedlings and is preferably in time put in order in advance when ground temperature gos up in spring next year of cultivating celestial careless maternal plant.
In order to help growing after the cuttage of cuttage fringe, 2. the of step (2) puts described ditch preferably dark 4-8cm, wide 5-10cm.Step (2) the 2. in, in ditch, preferably make cuttage fringe spacing 5-8cm * 6-10cm during discharging cuttage fringe.
In order further to promote growing after the cuttage of cuttage fringe, step (2) the 2. in, the angles of preferably spending angles with oblique cutting 45 degree-60 when being emitted on the cuttage fringe in the ditch are discharged.
The rejuvenation seedling-cultivating method of celestial grass provided by the present invention is to draw according to a large amount of development test and practical experiences, by cultivating steps such as maternal plant, whole ground, clip cuttage fringe, the processing of cuttage fringe, cuttage, the field management of growing seedlings, celestial grass seeds shoot survival percent height, the quality not only cultivated are good, later stage field growing unanimity, the incidence of disease be low, be convenient to management, output height, Russia's day and can significantly reduce cost and the labour drops into, reduce the use of agricultural chemicals, improve the quality of products.
Compared to prior art, the present invention has following remarkable advantage:
(1) the present invention has improved maternal quality greatly by cultivating celestial careless maternal plant.When celestial grass growth is vigorous during August-September, choose the celestial careless plant of no damage by disease and insect, stalwartness, cuttage is in female parent is grown seedlings ground, and unified management is selected and rejuvenation maternal plant, can reduce the generation of damage by disease and insect; Concentrate the management of carrying out field strictnesses such as liquid manure grass, can ensure the seedling safe overwintering, cultivate anosis strong female parent, reduce management cost.
(2) the present invention's first cuttage and seedling culture before plantation, select to eliminate sick worm plant once more, and the scissors clip cuttage fringe with sterilization can better solve seedling band poison problem, help cultivating seedling anosis, high-quality, can also increase the breeding radix, strengthen sapling multiplication quantity, alleviate the present situation of seedling quantity anxiety; In addition, help shortening the seeding stage, emerge ahead of time, guarantee that seedling is neat, seedling strong, be convenient to field management, help improving output, reduce the use of cost and agricultural chemicals, improve the quality of products by unified once more the growing seedlings of cuttage and seedling culture.
(3) the present invention is by the processing before the cuttage of cuttage fringe, be about to the cuttage fringe with agricultural streptomycin or Thiodiazole-copper soak, the plugged ear base portion is stained with mud processing such as slurry, experimental result and facts have proved: the cuttage fringe is immersed in agricultural streptomycin 7-15 minute of 800-1000 times of volume or soaks the stem rot that can effectively control celestial grass in 6-10 minute with the Thiodiazole-copper of 500-800 times of volume, base portion is stained with mud to starch and can promotes that celestial grass roots is to grow, improve the survival rate and the seedling quality of celestial grass, this method can be applied to growing seedlings of other crop.
Embodiment
Below in conjunction with embodiment and specific embodiment content of the present invention is elaborated:
(1) embodiment: the specific embodiment of the invention provides a kind of rejuvenation seedling-cultivating method of celestial grass, it is characterized in that it may further comprise the steps:
(1) cultivates celestial careless maternal plant: choose healthy and strong and anosis worm harm in celestial grass growth vigorous period (generally during August-September), the celestial careless plant of germplasm purity unanimity, the plugged ear of clip 7-15cm, agricultural streptomycin through 800-1000 times of volume soaked 7-15 minute, perhaps the Thiodiazole-copper with 500-800 times of volume soaked 6-10 minute, afterwards, (described female parent selects away from celestial being careless eqpidemic disease district with growing seedlings and the soil is porous in the female parent of putting in order is grown seedlings ground in cuttage, previous crops is that the water field piece of tilling land is as seedling ground, the described female parent of putting in order refers to turn over with growing seedlings, executed fertilizer and the good field of whole furrow), water normal root water afterwards, cover the sunshade net, (water and fertilizer management refers to conventional watering to carry out conventional water and fertilizer management subsequently, fertilising); At the beginning of 11 months then, remove the sunshade net, above female parent is grown seedlings ground, cover insulation film made, strengthen liquid manure and weeding management;
(2) cuttage and seedling culture:
1. in (main low altitude area in China East China and south China during February-April of next year, other area is with reference to implementing), the anosis worm harm that selection cultivates in female parent is grown seedlings ground and the good maternal plant of robust growth, with 75% alcohol repeatedly the wiping scissors or soak scissors 20~30min with 1% potassium permanganate after, the cuttage fringe that clip 5-12cm is long, the cuttage fringe is immersed in agricultural streptomycin 7-15 minute of 800-1000 times of volume, perhaps the Thiodiazole-copper with 500-800 times of volume soaked 6-10 minute, take out drip-dry moisture, cuttage fringe base portion (being Lower Half) is inserted be stained with the slurry processing in the mud of becoming reconciled in advance again;
2. (can when ging up, ground temperature in time put the celestial grass ground of growing seedlings in advance in order on the celestial grass of putting in order the in advance ground of growing seedlings in spring next year of cultivating celestial careless maternal plant, promptly celestial grass is turned over with growing seedlings, organic fertilizer, whole furrow, described celestial grass selects away from celestial being careless eqpidemic disease district with growing seedlings and the soil is porous, previous crops is that the water field piece of tilling land is as seedling ground) go up ditching, ditch depth 4-8cm, wide 5-10cm, the angle that the cuttage fringe of handling well is spent angles with oblique cutting 45 degree-60 is emitted in the ditch that digs, the biology upper end that makes the cuttage fringe during discharging up, the biology lower end down, note distinguishing the biology upper end and the lower end of cuttage fringe, do not put upside down discharging; Cuttage fringe spacing 5-8cm * 6-10cm; Earthing afterwards, the length that is basseted in the biology upper end of cuttage fringe is the 1/2-1/4 of cuttage fringe length overall; In time irrigate normal root water afterwards, cover film and sunshade net, make soil conservation moistening; After cuttage to the 9-12 days, seedling is taken root basically and is survived, and throws off film and sunshade net, rare watering the carbonic acid ammonia spirit strong sprout that concentration is 0.1%-0.5%; After cuttage to the 15-25 days, the about 18-25cm of height of seedling this moment can be with native lifting to be transplanted to the plantation field.
(2) specific embodiment:
Embodiment 1
Adopting following steps that the careless plant of celestial being is carried out rejuvenation grows seedlings:
(1) cultivates celestial careless maternal plant: the celestial careless plant of choosing healthy and strong and anosis worm harm in late August, plugged ear about clip 10cm, after the agricultural streptomycin of 900 times of volumes soaks 10 minutes, cuttage is in the female parent of putting in order is grown seedlings ground, water normal root water afterwards, cover the sunshade net, carry out conventional water and fertilizer management subsequently; At the beginning of 11 months then, remove the sunshade net, above female parent is grown seedlings ground, cover insulation film made, strengthen liquid manure and weeding management;
(2) cuttage and seedling culture:
1. March of next year, the anosis worm harm that selection cultivates in female parent is grown seedlings ground and the good maternal plant of robust growth, with 75% alcohol repeatedly the wiping scissors or soak scissors 25min with 1% potassium permanganate after, the cuttage fringe that clip 8cm is long, the cuttage fringe is immersed in the agricultural streptomycin 10 minutes of 900 times of volumes, take out drip-dry moisture, cuttage fringe base portion is inserted be stained with the slurry processing in the mud of becoming reconciled in advance again;
2. grow seedlings at the celestial grass of putting in order in advance on the ground dig about dark 6cm, the ditch about wide 8cm, the cuttage fringe handled well the angle about with oblique cutting 50 degree angles is emitted in the ditch that digs, the biology upper end that makes the cuttage fringe during discharging up, the biology lower end is down; About 6cm * the 8cm of cuttage fringe spacing; Earthing afterwards, the length that is basseted in the biology upper end of cuttage fringe is about 1/3 of cuttage fringe length overall; In time irrigate normal root water afterwards, cover film and sunshade net, make soil conservation moistening; When cuttage to the after 10 days, seedling is taken root basically and is survived, and throws off film and sunshade net, and rare concentration of watering is carbonic acid ammonia spirit strong sprout of 0.3%; When cuttage to the after 20 days, about the about 20cm of height of seedling this moment, can be with native lifting to be transplanted to and plant the field.
Embodiment 2
Adopting following steps that the careless plant of celestial being is carried out rejuvenation grows seedlings:
(1) cultivates celestial careless maternal plant: the celestial careless plant of at the beginning of 8 months, choosing healthy and strong and anosis worm harm, plugged ear about clip 7cm, after the agricultural streptomycin of 800 times of volumes soaks 7 minutes, cuttage is in the female parent of putting in order is grown seedlings ground, water normal root water afterwards, cover the sunshade net, carry out conventional water and fertilizer management subsequently; At the beginning of 11 months then, remove the sunshade net, above female parent is grown seedlings ground, cover insulation film made, strengthen liquid manure and weeding management;
(2) cuttage and seedling culture:
1. February of next year, the anosis worm harm that selection cultivates in female parent is grown seedlings ground and the good maternal plant of robust growth, with 75% alcohol repeatedly the wiping scissors or soak scissors 20min with 1% potassium permanganate after, the long cuttage fringe of the about 5cm of clip, the cuttage fringe is immersed in the agricultural streptomycin 7 minutes of 800 times of volumes, take out drip-dry moisture, cuttage fringe base portion is inserted be stained with the slurry processing in the mud of becoming reconciled in advance again;
2. grow seedlings at the celestial grass of putting in order in advance and dig on the ground the ditch of dark about 4cm, wide about 10cm, the cuttage fringe handled well the angle about with the oblique cutting miter angle is emitted in the ditch that digs, make during discharging on the biology of cuttage fringe up, the biology lower end down; About 5cm * the 10cm of cuttage fringe spacing; Earthing afterwards, the length that is basseted in the biology upper end of cuttage fringe is about 1/2 of cuttage fringe length overall; In time irrigate normal root water afterwards, cover film and sunshade net, make soil conservation moistening; When cuttage and seedling culture to the after 9 days, seedling is taken root basically and is survived, and throws off film and sunshade net, and rare concentration of watering is carbonic acid ammonia spirit strong sprout of 0.1%; When cuttage and seedling culture to the after 15 days, the about 18cm of height of seedling this moment can be with native lifting to be transplanted to and plant the field.
Embodiment 3
Adopting following steps that the careless plant of celestial being is carried out rejuvenation grows seedlings:
(1) cultivates celestial careless maternal plant: the celestial careless plant of choosing healthy and strong and anosis worm harm in mid or late September, plugged ear about clip 15cm, after the agricultural streptomycin of 1000 times of volumes soaks 15 minutes, cuttage is in the female parent of putting in order is grown seedlings ground, water normal root water afterwards, cover the sunshade net, carry out conventional water and fertilizer management subsequently; At the beginning of 11 months then, remove the sunshade net, above female parent is grown seedlings ground, cover insulation film made, strengthen liquid manure and weeding management;
(2) cuttage and seedling culture:
1. mid or late April of next year, the anosis worm harm that selection cultivates in female parent is grown seedlings ground and the good maternal plant of robust growth, with 75% alcohol repeatedly the wiping scissors or soak scissors 30min with 1% potassium permanganate after, the long cuttage fringe of the about 12cm of clip, the cuttage fringe is immersed in the agricultural streptomycin 15 minutes of 1000 times of volumes, takes out drip-dry moisture and again cuttage fringe base portion is inserted and is stained with slurry in the mud of becoming reconciled in advance and handles;
2. grow seedlings at the celestial grass of putting in order in advance and dig on the ground the ditch of dark about 8cm, wide about 5cm, the angle that the cuttage fringe of handling well is spent about angles with oblique cutting 60 is emitted in the ditch that digs, and makes during discharging on the biology of cuttage fringe up, and the biology lower end down; About 8cm * the 6cm of cuttage fringe spacing; Earthing afterwards, the length that is basseted in the biology upper end of cuttage fringe is about 1/4 of cuttage fringe length overall; In time irrigate normal root water afterwards, cover film and sunshade net, make soil conservation moistening; When cuttage and seedling culture to the after 12 days, seedling is taken root basically and is survived, and throws off film and sunshade net, and rare concentration of watering is carbonic acid ammonia spirit strong sprout of 0.5%; When cuttage and seedling culture to the after 25 days, the about 25cm of height of seedling this moment can be with native lifting to be transplanted to and plant the field.
In addition, the step of embodiment 4-6 is identical with embodiment 1-3 respectively basically, and difference is: in the step of embodiment 4 (1) and the step (2), described plugged ear and cuttage fringe are to soak 6 minutes with the Thiodiazole-copper of 500 times of volumes; In the step of embodiment 5 (1) and the step (2), described plugged ear and cuttage fringe are to soak 8 minutes with the Thiodiazole-copper of 650 times of volumes, and in the step of embodiment 6 (1) and the step (2), described plugged ear and cuttage fringe are with the Thiodiazole-copper immersion of 800 times of volumes 10 minutes.
Through experimental results show that: the celestial grass seeds seedling incidence of disease that adopts embodiment 1-embodiment 6 to cultivate all is lower than 0.5%, carries out follow-up cultivation, and its survival rate all is higher than 98%.

Claims (8)

1. the rejuvenation seedling-cultivating method of a celestial grass is characterized in that it may further comprise the steps:
(1) cultivation celestial careless maternal plant: Yu Xiancao grows and chooses the celestial careless plant of healthy and strong and anosis worm harm vigorous period, the plugged ear of clip 7-15cm, earlier the agricultural streptomycin of plugged ear with 800-1000 times of volume soaked 7-15 minute, after perhaps soaking 6-10 minute with the Thiodiazole-copper of 500-800 times of volume, cuttage is in the female parent of putting in order is grown seedlings ground again, water normal root water afterwards, cover the sunshade net, carry out conventional water and fertilizer management subsequently; At the beginning of 11 months then, remove the sunshade net, above female parent is grown seedlings ground, cover insulation film made, strengthen liquid manure and weeding management;
(2) cuttage and seedling culture:
1. during February-April of next year, the anosis worm harm that selection cultivates in female parent is grown seedlings ground and the good maternal plant of robust growth, the cuttage fringe that clip 5-12cm is long, elder generation is immersed in the cuttage fringe agricultural streptomycin 7-15 minute of 800-1000 times of volume, after perhaps soaking 6-10 minute with the Thiodiazole-copper of 500-800 times of volume, take out drip-dry moisture, cuttage fringe base portion is inserted be stained with the slurry processing in the mud of becoming reconciled in advance again;
2. in the celestial grass of putting in order the in advance ditching on the ground of growing seedlings, the cuttage fringe of handling well is emitted in the ditch that digs, the biology upper end that makes the cuttage fringe during discharging up, the biology lower end is down; Earthing afterwards, the length that is basseted in the biology upper end of cuttage fringe is the 1/2-1/4 of cuttage fringe length overall; In time irrigate normal root water afterwards, cover film and sunshade net, make soil conservation moistening; After cuttage to the 9-12 days, throw off film and sunshade net, rare watering the carbonic acid ammonia spirit strong sprout that concentration is 0.1%-0.5%; After 15-25 days, be with native lifting to be transplanted to the plantation field.
2. the rejuvenation seedling-cultivating method of celestial grass according to claim 1 is characterized in that: in step (1) and the step (2), should adopt the clip instrument of sterilization in advance when clip plugged ear or cuttage fringe.
3. the rejuvenation seedling-cultivating method of celestial grass according to claim 1 is characterized in that: described clip instrument for 75% alcohol repeatedly wiping scissors or with the scissors behind 1% potassium permanganate immersion, 20~30min.
4. the rejuvenation seedling-cultivating method of celestial grass according to claim 1 is characterized in that: 2. the of step (2) puts described celestial grass is in time to put in order in advance when ground temperature gos up in spring next year of cultivating celestial careless maternal plant with growing seedlings.
5. the rejuvenation seedling-cultivating method of celestial grass according to claim 1 is characterized in that: 2. the of step (2) puts described ditch depth 4-8cm, wide 5-10cm.
6. the rejuvenation seedling-cultivating method of celestial grass according to claim 1 is characterized in that: step (2) the 2. in, make cuttage fringe spacing 5-8cm * 6-10cm when in ditch, discharging the cuttage fringe.
7. the rejuvenation seedling-cultivating method of celestial grass according to claim 1 is characterized in that: step (2) the 2. in, the angles of spending angles with oblique cutting 45 degree-60 when being emitted on the cuttage fringe in the ditch are discharged.
8. the rejuvenation seedling-cultivating method of celestial grass according to claim 1 is characterized in that: described female parent all selects away from celestial being careless eqpidemic disease district with celestial grass with growing seedlings with growing seedlings and the soil is porous, previous crops is that the water field piece of tilling land is as seedling ground.
CN2010103000607A 2010-01-06 2010-01-06 Method for rejuvenating and culturing seedlings of sianchau Expired - Fee Related CN101720621B (en)

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