CN101702967B - Method for storing seed in winter and cultivating ottelia acuminata in spring capable of improving germination rate - Google Patents

Method for storing seed in winter and cultivating ottelia acuminata in spring capable of improving germination rate Download PDF

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Publication number
CN101702967B
CN101702967B CN2009101959518A CN200910195951A CN101702967B CN 101702967 B CN101702967 B CN 101702967B CN 2009101959518 A CN2009101959518 A CN 2009101959518A CN 200910195951 A CN200910195951 A CN 200910195951A CN 101702967 B CN101702967 B CN 101702967B
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China
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water
basin
seed
edible seaweed
winter
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CN2009101959518A
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Chinese (zh)
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CN101702967A (en
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崔心红
王斌
张群
朱义
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Jiangsu Hongci Garden Technology Co., Ltd.
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SHANGHAI INST OF GARDEN SCIENCE
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Abstract

The invention relates to a method for storing seed in winter and cultivating ottelia acuminata in spring capable of improving germination rate, belonging to the field of reproduction and cultivation of living creature. The method comprises the following steps: maintaining the humid state of seed, embedding to a basin in which the substrate is loose and ventilated soil sand, soaking the basin in the water not lower than 5 DEG C for storage in winter; soaking the seed of ottelia acuminata in the water of 20-25 DEG C in the spring of the second year for about half a month; after the linear leaves and root come out in turn and the root is 3 cm in length, transplanting the seedling to a fixed planting basin and putting the basin to the water, and then transferring the seedling to a pool of 1-1.5 m in depth. The invention provides a method for transplanting the ottelia acuminata originally growing in the warm areas such as Guangdong and Yunnan to the middle and lower reaches of Changjiang River to make the same smoothly grow over the winter; the method can also maintain the fine activity of ottelia acuminata. The germination rate and the survival rate of seed of ottelia acuminate storedby the method are high; the method expands the growth area of ottelia acuminata and provides the condition for large-scale effective production and use of the ottelia acuminata.

Description

Improve the seed storage in winter of edible seaweed flower seed germination rate and the method for spring cultivation
Technical field
Belong to the biological self reproducing cultivation field, relate to seed storage, sowing, seedling growing process, exactly relate to the seed storage in winter of high water plants edible seaweed flower and the method for spring cultivation.
Background technology
Edible seaweed flower Ottelia acuminata (Gagnep.) Dandy is the perennial submerged plant of Hydrocharctaceae, is the peculiar kind of China, has been put into special-protection-by-the-State plant register (secondary), and provinces and regions such as Guangdong, Guangxi, Guizhou, Sichuan, Yunnan mainly distribute.The phyllopodium of edible seaweed flower gives birth to, and blade is roomy, and Ye Changke reaches 20cm, and petiole length can change 4-300cm with the depth of water.Petal white and pistil yellow, perpetual bloom, the florescence is long, the general florescence 5-10 month, but as seen bloom the whole year in warm area.The flower delicate fragrance of edible seaweed flower is pleasant, as white as polished jade, and the emerald green desire of leaf is dripped, and has ornamental value.It is edible that the petiole of edible seaweed flower and flower can be done vegetables, and its delicious refreshing sweet perfume (or spice) is again a kind of aquatic vegetable that exploitation is worth that has.Because water pollution in recent years and artificial excessive harvesting, the wild natural distribution area of edible seaweed flower dwindles just day by day.
In view of the edible seaweed flower is a kind of water plants wild resource of preciousness, and all have good exploitation value on the gardening and on the agricultural, it is very necessary therefore scientific research being carried out in its artificial cultivation, breeding.Edible seaweed flower is dioecian plant, and female flower is less, and fruit, the seed maturity time interval are long, are unfavorable for gathering.Therefore the collection and the storage of seed are survived the winter, and preserve the vigor of seed, and the germination rate that improves seed is very crucial.
Edible seaweed is spent and can be used seminal propagation.Need after the fruit picking fruit is preserved in running water, prevent dry anoxia asphyxia, sow in spring next year kind, but the relatively more bothersome trouble of this method, germination rate is lower, and key is to be unfavorable for that winter time is long, temperature is lower area stores to survive the winter; Also available rhizome breeding, but, be unfavorable for the protection of precious wild resource with the existing resource that the rhizome breeding must utilize edible seaweed to spend, be not suitable for extensive cultivation.
Summary of the invention
The invention provides and a kind ofly be suitable for winter time is long, temperature is lower area and store and survive the winter, and do not bother and without difficulty a kind of seed that improves edible seaweed flower seed germination rate stores winter and the method for spring cultivation.
The technical scheme that the present invention takes:
1, maintenance is as the ripening fruits moisture state of seed;
2, imbed in the basin of adorning the loose ventilative silt of matrix;
3, basin is immersed the storage of surviving the winter in the water that is not less than 5 ℃, in the plastic covering film insulation of water surface upper end;
4,1 year spring is when ambient temperature is opened plastic foil during at 10-15 ℃;
5, when the environment water temperature is 20-25 ℃, edible seaweed flower seed surface earth is cleaned and is immersed in the water about two weeks;
6, successively grow short and small linear leaf and root,, seedling is transplanted in the field planting basin, put into water when the length of root is about 3 centimetres;
7, when the cauline leaf total length reaches the 10-20 centimetre of left and right sides, to be transplanted to have at the bottom of the pond and to be no less than 20 centimetres of pond sludge, the degree of depth is in the pond of 1-1.5 rice.
Good effect behind enforcement the present invention is:
Proposed a handle and be grown in the extra large Lay flower of passing the winter in warm Guangdong, area, Yunnan, be transplanted to area, the middle and lower reach of Yangtze River and can survive the winter smoothly, and kept the method for better activity.With the edible seaweed flower seed germination rate height that this method stores, survival rate height, this method has been extended edible seaweed flower species vegetatively, for effectively producing on a large scale and utilizing the edible seaweed flower to create condition.
Embodiment
It is existing that the invention will be further described
1, the ripe edible seaweed flowers fruit of gathering, gather and transportation in to keep the edible seaweed flowers fruit be moistening situation, avoid fruit dry and cracked;
2, the edible seaweed flowers fruit is put into the 10cm that mesh is 1mm * 10cm Nylon Bag, and imbedded in the basin, the degree of depth is about 10 centimetres.Matrix in the basin is the mixture of pond sludge and yellow sand, makes matrix loose ventilative, is mixed into suitable through test pond sludge and yellow sand with 1: 1 ratio;
3, the basin that will be embedded with the edible seaweed flowers fruit is put into 30-50 centimetre of dark water, and this degree of depth water environment is more stable, and detects the temperature in the water in good time.When being lower than 5 ℃, the ambient water environmental temperature in time be incubated at water surface upper end plastic covering film.Show the long term storage of edible seaweed flower seed in being lower than 4 ℃ environment through this experiment, seed vitality, germination rate will reduce greatly;
4,1 year spring is when ambient temperature is opened plastic foil during at 10-15 ℃;
5, be that edible seaweed is spent suitable sprouting temperature when ambient temperature is 20-25 ℃, take out the matrix of Nylon Bag from the field planting basin this moment, puts into flowing water flushing 20-30 minute, and earth and other foreign material of the surface of the seed are rinsed well;
6, the edible seaweed flower seed is taken out from Nylon Bag, be immersed in the water, be placed in 20-25 ℃ the environment, can grow short and small linear leaf in 2-10 days, germination rate can reach more than 90%;
7, expand into sword type leaf after 2-5 days linear leafs, and have root to grow, length is about 3 centimetres; Seedling can be transplanted in the field planting basin with 5-10 centimetre of pond sludge, put into water; Water surface distance edible seaweed seeds of flowering plants seedling should be about 20 centimetres, and the nurturing an environment temperature should be at 20-25 ℃; In time clear up foreign material, water silk floss and snail etc. in the pond.
8, spend stem, the leaf growth of seedling along with edible seaweed, when reaching the 10-20 centimetre of left and right sides, the cauline leaf total length chooses healthy and strong seedling, and it is transplanted in the pond that the degree of depth is a 1-1.5 rice, have at the bottom of the pond and be no less than 20 centimetres pond sludge, to help the root growth of edible seaweed flower; Density between seedling is advisable for 0.5 meter with 0.5 meter * through experiment, can spend sufficient growing space to edible seaweed like this, also helps making full use of the space in pond; Note in the management keeping water cleaning, in time clear up foreign material, water silk floss and snail etc. in the pond.

Claims (1)

1. improve the seed storage in winter of edible seaweed flower seed germination rate and the method for spring cultivation, it is characterized in that: operate according to the following steps, implement:
(1) the ripe edible seaweed flowers fruit of gathering, gather and transportation in to keep the edible seaweed flowers fruit be moisture state, avoid fruit dry and cracked;
(2) the edible seaweed flowers fruit is put into the 10cm that mesh is 1mm * 10cm Nylon Bag, and imbedded in the basin that pond sludge and 1: 1 mixing formation of yellow sand matrix thing are housed, the degree of depth is about 10 centimetres;
(3) basin that will be embedded with the edible seaweed flowers fruit is put into 30-50 centimetre of dark water, detects the temperature in the water in good time, when the ambient water environmental temperature is lower than 5 ℃, in the plastic covering film insulation of water surface upper end;
In (4) second year spring, ambient temperature is opened plastic foil in the time of 10-15 ℃;
(5) when ambient temperature is 20-25 ℃, Nylon Bag is taken out from the matrix of field planting basin, put into flowing water and rinse well;
(6) the edible seaweed flower seed is immersed in the water of 20-25 ℃ of environment, about two weeks linear leaf expands into sword type leaf, and has root to grow;
(7) be about 3 centimetres when root grows length, seedling is transplanted in the thick field planting basin of 5-10 centimetre of pond sludge; And the field planting basin put into water, about 20 centimetres of water surface distance edible seaweed seeds of flowering plants seedling;
(8) reach 10-20 centimetre when the cauline leaf total length, choose healthy and strong seedling, it is transplanted in the pond that the degree of depth is a 1-1.5 rice, the pond sludge that is no less than 20 cm thicks is arranged at the bottom of the pond.
CN2009101959518A 2009-09-21 2009-09-21 Method for storing seed in winter and cultivating ottelia acuminata in spring capable of improving germination rate Expired - Fee Related CN101702967B (en)

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Application Number Priority Date Filing Date Title
CN2009101959518A CN101702967B (en) 2009-09-21 2009-09-21 Method for storing seed in winter and cultivating ottelia acuminata in spring capable of improving germination rate

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CN101702967B true CN101702967B (en) 2011-06-08

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102487807B (en) * 2011-11-25 2013-04-10 中国环境科学研究院 Method for restoring ottelia acuminate colonies in lakeside zone
CN105638028B (en) * 2016-02-02 2018-05-15 广西壮族自治区农业科学院生物技术研究所 A kind of method for promoting edible seaweed flower seed maturation
CN105850266B (en) * 2016-04-08 2018-09-14 武汉德翊环境科技有限公司 A kind of effective method for preserving frogbit seed

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