Floating seedling raising method for sweet potato true seeds

A seed seed, floating seedling raising technology, applied in the directions of seed and rhizome treatment, botanical equipment and method, planting substrate, etc., can solve problems such as unreported sweet potato seed seed, low transplant survival rate, uneven seedling growth, etc. , to achieve the effect of improving disease resistance, flexible and convenient construction, and less substrate

Active Publication Date: 2016-07-27
YUNNAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the common method of growing sweet potato seed seedlings is: set up a seedbed with peat soil, vermiculite powder or seedling substrate in the greenhouse or in the open air, and sow seeds on the seedbed, pour appropriate amount of water, and then build a small shed on the seedbed. This method is more labor-intensive and time-consuming, and the seedlings grow unevenly, the seedlings are weak, and the survival rate of transplanting is not high.
"Southern Agricultural Journal" No. 4, 2011 disclosed the technology of floating seedling raising and rapid propagation of sweet potato vines, but there is no report about the technology of floating seedling raising of sweet potato seedlings

Method used

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  • Floating seedling raising method for sweet potato true seeds
  • Floating seedling raising method for sweet potato true seeds
  • Floating seedling raising method for sweet potato true seeds

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Embodiment 1

[0034] A method for floating seedling raising of sweet potato seeds, the specific steps are:

[0035] 1) Build a nursery pool: build a pool with small red bricks, spread a layer of plastic film on the bottom of the pool, and set a shed welded with a steel frame on the movable cover above the pool. Both ends are provided with thick plastic films that can be opened freely. After the seedling pond is built, tap water is poured into the pond, and the water level does not overflow the pond;

[0036] 2) Floating seedling tray preparation: select 200-hole polystyrene foam tray and the seeder (such as Image 6 , Figure 7 As shown, the punching process can be completed at one time, saving manpower);

[0037] 3) Seedling-raising substrate: biogas residue (crop straw, cow dung, pig manure, etc. obtained after fermentation in a biogas tank, the main components are organic matter and humus, etc.) dried in the sun, crushed, and passed through a 20-mesh sieve for use; fertile garden soil,...

Embodiment 2

[0042] A method for floating seedling raising of sweet potato seeds, the specific steps are:

[0043] 1) Build a nursery pool: build a pool with small red bricks, spread a layer of plastic film on the bottom of the pool, and set a shed welded with a steel frame on the movable cover above the pool. Both ends are provided with thick plastic films that can be opened freely. After the seedling pond is built, tap water is poured into the pond, and the water level does not overflow the pond; the size of the pond is length×width×height=330cm×70cm×10cm, The specification of the shed is length × width × height = 370cm × 90cm × 80cm;

[0044] 2) Floating seedling-raising tray preparation: select the 200-hole polystyrene foam plastic dish that specification is long * wide * height=66cm * 33.5cm * 5.5cm as floating seedling-raising tray, and select supporting seeder (such as Image 6 , Figure 7 As shown, the punching process can be completed at one time, saving manpower);

[0045] 3) ...

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Abstract

The invention relates to a floating seedling raising method for sweet potato true seeds, and belongs to the technical field of sweet potato true seed seedling raising.The method specifically comprises the steps that 1, a floating seedling raising pond is built and filled with water; 2, 200-pore foam floating discs are selected and filled with a seedling raising matrix with the water content of 60%; 3, the germinated sweet potato true seeds which are treated through 98% concentrated sulfuric acid and subjected to hot water and agentia soaking treatment are selected to be seeded and covered with soil, the soil surface is leveled, and the seeds are put into the seedling raising pond to be cultured; 4, water is supplemented for once every about 15 days during culturing; 5, seeding raising fertilizer is applied for the first time 3-5 days after seedlings are neat, the application amount is 15 g/disc, the concentration of nitrogen is kept to be 300 mg/L, and top dressing is performed for once every 7 days; 6, the seedlings reach the strong seeding standard after the seeds are seeded for 30-40 days and can be transplanted together with the soil.According to the floating seedling raising technique, quick and neat seedling emergence of the seeds can be promoted, the seedling emergence rate can reach 100%, the seedlings can be neat after emerging for 3-4 days, growth of the true seedlings can be kept consistent, the seedlings are strong, the root systems are developed, the root-top ratio is high, the plant height is appropriate, and time and labor are saved in the whole process.

Description

technical field [0001] The invention belongs to the technical field of seedling raising of sweet potato seeds, and in particular relates to a method for raising seedlings of sweet potato seeds by floating. Background technique [0002] Sweet potato (IpomoeabatatasLam.), also known as sweet potato, sweet potato, sweet potato, sweet potato, etc., is a dicotyledonous plant, a kind of vine plant of the genus Ipornoea in the family Convolvulaceae, an annual or perennial plant that likes mild and short sunshine. Sweet potato is an important food, feed, energy and processing crop in China after rice, wheat and corn due to its advantages of high yield, wide range of uses and strong adaptability. [0003] Sweet potatoes can flower and set in tropical places, but usually cannot flower and set in temperate regions. For example, in the central and northern regions of my country, most sweet potato varieties cannot bloom under natural conditions. Even in the southern provinces of my coun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00A01G1/00A01G9/10
CPCA01C1/00A01G22/00A01G24/00
Inventor 郭华春李彩斌王琼周远平杨慧菊
Owner YUNNAN AGRICULTURAL UNIVERSITY
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