CN104782364A - Sweet potato branch pressing seedling cultivating method - Google Patents

Sweet potato branch pressing seedling cultivating method Download PDF

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Publication number
CN104782364A
CN104782364A CN201510165696.8A CN201510165696A CN104782364A CN 104782364 A CN104782364 A CN 104782364A CN 201510165696 A CN201510165696 A CN 201510165696A CN 104782364 A CN104782364 A CN 104782364A
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CN
China
Prior art keywords
sweet potato
furrow
rice shoot
seedling cultivating
tendril
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510165696.8A
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Chinese (zh)
Inventor
石江
吴崇书
严百元
孙军华
赵琳
骆乐谈
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Hangzhou Institute of Agricultural Sciences
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Hangzhou Institute of Agricultural Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Institute of Agricultural Sciences filed Critical Hangzhou Institute of Agricultural Sciences
Priority to CN201510165696.8A priority Critical patent/CN104782364A/en
Publication of CN104782364A publication Critical patent/CN104782364A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for

Abstract

The invention relates to the technical field of seedling cultivating, and discloses a sweet potato branch pressing seedling cultivating method. The method includes the step of seedbed preparation, the step of cirrus preparation, the step of branch pressing, the step of covering preparation and the step of seedling management. Branches of sweet potato cirri abandoned during sweet potato harvesting are pressed in a protected area so that seedling cultivating can be achieved, and therefore the waste can be reasonably utilized, the trouble of storing potato seeds is eliminated for farmers, and the potato seed cost is reduced; seedling cultivating is achieved through cirrus branch pressing; through covering heat preservation, double-layer film heat preservation and other treatment, stems can live through the winter, and sprouting and seedling cultivating are promoted in a next year; seedlings are obtained for the first time 6 days to 8 days earlier compared with a traditional potato seed seedling cultivating method, the number of the seedlings obtained for the first time is increased by 11.6% compared with a traditional method, the seedling cultivating efficiency can be greatly improved, and the sweet potato industry development is facilitated.

Description

A kind of sweet potato layering seedling growth method
Technical field
The present invention relates to seedling growing process field, particularly relate to a kind of sweet potato layering seedling growth method.
Background technology
Sweet potato is annual herb plant, overgrows, be commonly called as pachyrhizus, Ipomoea batatas etc., containing rich in protein, starch, pectin, cellulose, amino acid, vitamin and several mineral materials, there is the reputation of " life prolonging food ", the breeding of sweet potato mainly relies on vegetative propagation, in In Middle And Lower Reaches of Changjiang River, peasant mainly relies on storage potato seed then, in green house, adopt mid-February next year mulch film to add Small plastic shed covering carry out seeding and seedling raising, mid or late March until potato seed germinate after tendril grow to 15 ~ 20 centimetres time, first time cuttage and seedling culture is carried out after clip tendril, to the tendril in clip seedbed during the last ten-days period in May, then cuttage carries out sweet potato Production of Large Fields to land for growing field crops.In recent years; along with the constantly progress of China's Sweet Potato Breeding technology; the yield and quality of sweet potato has increased significantly; adopt traditional seedling raising manners; peasant needs to store a large amount of potato seeds and uses in order to next year, but sweet potato soft rot, black spot usually can cause a large amount of potato seeds to be rotted in very long winter storage process, and the percent of loss of potato seed is up to 30 ~ 60%; cause a large amount of potato seed wastes, the sweet potato simultaneously also affecting next year produces.
Summary of the invention
The present invention is directed in prior art and adopt potato seed to survive the winter, in next year seedling raising process, because storage life disease causes the shortcomings such as potato seed loss and seeding and seedling raising are relatively late, provide a kind of utilization tendril (cane) press strip that 11 the middle ten days are discarded when sweet potato rewarding then, survive the winter in the booth allowing tendril cover at bilayer, the sweet potato layering seedling growth method of next year accelerating germination.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of sweet potato layering seedling growth method, comprises the steps:
A. seedbed prepares
Winter adopts sunny, and physical features is relatively high, and irrigates booth easily and, as nursery place, use sufficient base manure, does furrow, furrow facebow antiform wholely;
B. tendril prepares
The sweet potato vine of the health of the long 1 ~ 1.4m of clip mid-November, remove petiole and blade, retained gas is taken root;
C. press strip
2 ~ 4cm shallow ridges is opened at interval of 8 ~ 10cm in furrow face, water permeable after the tendril in step B is put into shallow ridges earthing, press-in two tendrils in every bar shallow ridges, 2 irrigate bands are laid in each furrow face;
D. covering prepares
The cladding material that furrow surface coverage 8 ~ 12cm is thick, then adopt the airtight covering of Small plastic shed, every 5 ~ 7 days drip irrigations, the drip irrigation time was 30 ~ 40 minutes; Wherein, cladding material is rice chaff, wood chip or straw;
E. rice shoot management
After rice shoot is emerged, keep temperature more than 18 degree in canopy, treat that rice shoot length reaches 15 ~ 20cm, clip first time rice shoot; The rice shoot of clip divides and is inserted in booth, seedbed adds Small plastic shed, nursery.
In booth, hunchbacked shape furrow face facilitates draining, and seedbed ventilation and penetrating light is convenient, is conducive to tendril and survives the winter; After press strip is taken root, covering insulation material, winter, minimum ground temperature can reach about 10 DEG C, can meet tendril and survive the winter in underground temperature required; After emerging, clip rice shoot, divides to be inserted in booth and cultivates, can ensure seedling growth, is conducive to cultivating high quality seedling.
As preferably, in steps A, base manure is according to farmyard manure and composite fertilizer's mass ratio (28 ~ 32): 1 mixes, and base manure amount of application is 1500 ~ 1600 kgs/acre.Seedbed uses sufficient base fertilizer, can ensure that tendril press strip is taken root, and ensures that tendril survives the winter desired nutritional.
As preferably, in steps A, furrow during whole ground, are adopted to connect 1.6 meters, ditch, wherein furrow face width 1.2 meters, furrow width 0.4 meter, trench depth 35cm.
As preferably, in step B, adopt the tendril of internode base portion closely.The tendril of sweet potato base portion, internode is comparatively tight, comparatively sturdy, is conducive to tendril and survives the winter.
The present invention adopts the sweet potato vine press strip in protecting field discarded during sweet potato rewarding to carry out seedling breeding, discarded object so both can have been made reasonably to be utilized, and deducted the trouble that peasant stores potato seed, reduce potato seed cost; Adopt the mode nursery of tendril press strip, adopt covering insulation simultaneously, the process such as duplicature insulation, stem is allowed to survive the winter, next year accelerating germination nursery, does sth. in advance within 6-8 days, to go out first time rice shoot than traditional potato seed seedling raising manners, and the mode that number ratio is traditional and first time emerges promotes 11.6%, greatly can improve the efficiency of nursery, be conducive to the development of Sweet Potato Industry.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
A kind of sweet potato layering seedling growth method, comprises the steps:
A. seedbed prepares
Winter adopts sunny, and physical features is relatively high, and irrigates easily that booth is as nursery place, and basal dressing, does furrow wholely, furrow facebow antiform; Wherein, base manure mixes with composite fertilizer mass ratio 30:1 according to farmyard manure, and base manure amount of application is 1550 kgs/acre; Furrow are adopted to connect 1.6 meters, ditch, wherein furrow face width 1.2 meters, furrow width 0.4 meter, trench depth 35cm during whole ground;
B. tendril prepares
The sweet potato vine of the health of the long 1.2m of clip mid-November, adopts internode base cloth tendril closely, and remove petiole and blade, retained gas is taken root;
C. press strip
3cm shallow ridges is opened at interval of 8cm in furrow face, water permeable after the tendril in step B is put into shallow ridges earthing, press-in two tendrils in every bar shallow ridges, 2 irrigate bands are laid in each furrow face;
D. covering prepares
The cladding material that furrow surface coverage 10cm is thick, cladding material is rice chaff, then adopts the airtight covering of Small plastic shed, the regular drip irrigation every 5 ~ 7 days, and each drip irrigation time is 35 minutes; Start observation mid-February to emerge situation, ventilation and penetrating light, measures liftoff surperficial 5cm respectively in December and January and goes out surface temperature, and December, minimum ground temperature was 13.8 DEG C, and January, minimum low temperature was 10.5 DEG C;
E. rice shoot management
After rice shoot is emerged, keep temperature more than 18 degree in canopy, treat that rice shoot length is greater than 15cm, clip first time rice shoot; The strain of every square metre of clip rice shoot 50, the rice shoot of clip divides and is inserted in booth, seedbed adds Small plastic shed, nursery, mid or late May, and the rice shoot that 8 squares of seedbeds produce is slotting by once dividing, and the seedling of production can meet needed for 1 mu of Production of Large Fields.
Adopt this method nursery, do sth. in advance to emerge for 6 ~ 8 days than traditional seedling raising manners, rice shoot quantity increases by 11.6%.
Embodiment 2
Embodiment 2 is identical with embodiment 1, and difference is: in steps A, and base manure mixes with composite fertilizer mass ratio 28:1 according to farmyard manure, and base manure amount of application is 1500 kgs/acre; In step B, the sweet potato vine of clip is about 1m; In step C, 4cm shallow ridges is opened at interval of 10cm in furrow face; In step D, each drip irrigation time is 30 minutes, the cladding material that furrow surface coverage 12cm is thick, cladding material is wood chip, start observation mid-February to emerge situation, ventilation and penetrating light, measures liftoff surperficial 5cm respectively in December and January and goes out surface temperature, December, minimum ground temperature was 11.2 DEG C, and January, minimum low temperature was 10.5 DEG C; In step e, treat rice shoot length 15 ~ 20cm, clip first time rice shoot; The strain of every square metre of clip rice shoot about 83.
Embodiment 3
Embodiment 3 is identical with embodiment 1, and difference is: in steps A, and base manure mixes with composite fertilizer mass ratio 32:1 according to farmyard manure, and base manure amount of application is 1600 kgs/acre; In step B, the sweet potato vine of clip is about 1.4m; In step C, 2cm shallow ridges is opened at interval of 9cm in furrow face; In step D, each drip irrigation time is 40 minutes, the cladding material that furrow surface coverage 8cm is thick, cladding material is straw, start observation mid-February to emerge situation, ventilation and penetrating light, measures liftoff surperficial 5cm respectively in December and January and goes out surface temperature, December, minimum ground temperature was 10.0 DEG C, and January, minimum low temperature was 9.6 DEG C; In step e, treat rice shoot length 15 ~ 20cm, clip first time rice shoot; The strain of every square metre of clip rice shoot about 75.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.

Claims (4)

1. a sweet potato layering seedling growth method, is characterized in that, comprises the steps:
A. seedbed prepares
Winter adopts sunny, and physical features is relatively high, and irrigates booth easily and, as nursery place, use sufficient base manure, does furrow, furrow facebow antiform wholely;
B. tendril prepares
The sweet potato vine of the health of the long 1 ~ 1.4m of clip mid-November, remove petiole and blade, retained gas is taken root;
C. press strip
2 ~ 4cm shallow ridges is opened at interval of 8 ~ 10cm in furrow face, water permeable after the tendril in step B is put into shallow ridges earthing, press-in two tendrils in every bar shallow ridges, 2 irrigate bands are laid in each furrow face;
D. covering prepares
The cladding material that furrow surface coverage 8 ~ 12cm is thick, then adopt the airtight covering of Small plastic shed, every 5 ~ 7 days drip irrigations, the drip irrigation time was 30 ~ 40 minutes; Wherein, cladding material is rice chaff, wood chip or straw;
E. rice shoot management
After rice shoot is emerged, keep temperature more than 18 degree in canopy, treat that rice shoot length reaches 15 ~ 20cm, clip first time rice shoot; The rice shoot of clip divides and is inserted in booth, seedbed adds Small plastic shed, nursery.
2. a kind of sweet potato layering seedling growth method according to claim 1, is characterized in that: in steps A, and base manure is according to farmyard manure and composite fertilizer's mass ratio (28 ~ 32): 1 mixes, and base manure amount of application is 1500 ~ 1600 kgs/acre.
3. a kind of sweet potato layering seedling growth method according to claim 1, is characterized in that: in steps A, adopts furrow to connect 1.6 meters, ditch, wherein furrow face width 1.2 meters, furrow width 0.4 meter, trench depth 35cm during whole ground.
4. a kind of sweet potato layering seedling growth method according to claim 1, is characterized in that: in step B, adopts the tendril of internode base portion closely.
CN201510165696.8A 2015-04-09 2015-04-09 Sweet potato branch pressing seedling cultivating method Pending CN104782364A (en)

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Application Number Priority Date Filing Date Title
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Publications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105103861A (en) * 2015-08-17 2015-12-02 陈胜民 Integrated comprehensive innovative technology for sweet potato sprout cultivation and planting
CN106900346A (en) * 2017-04-27 2017-06-30 江西省红壤研究所 Food sweet potato gently simplifies potato root rattan method for culturing seedlings
CN106961939A (en) * 2017-02-09 2017-07-21 贵州省施秉县云台山林农科技开发有限公司 A kind of implantation methods for promoting sweet potato precocious
CN108718974A (en) * 2018-06-07 2018-11-02 杭州市农业科学研究院 A kind of early method for culturing seedlings of sweet potato vine press strip rush

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CN103262728A (en) * 2013-05-06 2013-08-28 铜陵县香联生态农业科技园有限公司 Cultivating method of high-yield sweet potatoes
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105103861A (en) * 2015-08-17 2015-12-02 陈胜民 Integrated comprehensive innovative technology for sweet potato sprout cultivation and planting
CN106961939A (en) * 2017-02-09 2017-07-21 贵州省施秉县云台山林农科技开发有限公司 A kind of implantation methods for promoting sweet potato precocious
CN106900346A (en) * 2017-04-27 2017-06-30 江西省红壤研究所 Food sweet potato gently simplifies potato root rattan method for culturing seedlings
CN106900346B (en) * 2017-04-27 2019-12-10 江西省红壤研究所 Edible sweet potato simple root vine seedling raising method
CN108718974A (en) * 2018-06-07 2018-11-02 杭州市农业科学研究院 A kind of early method for culturing seedlings of sweet potato vine press strip rush

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Application publication date: 20150722