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Transplanting seedling bed for producing original potato seeds

A potato and original seed technology, applied in the field of transplanting seedbeds, can solve the problems of damage to soil structure, unfavorable development and use, limited land, etc., and achieve the effects of improving the water content of substrates, saving post-processing costs, and reducing production costs.

Inactive Publication Date: 2018-02-02
固原天启薯业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, soil burial is often used to treat the discarded medium after tissue culture. However, soil burial will destroy the soil structure on the one hand, and the enrichment and culture of microorganisms brought about by it will also have great uncertainty. It is conducive to subsequent development and use. On the other hand, land is limited, and the method of soil burial is not a long-term solution

Method used

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  • Transplanting seedling bed for producing original potato seeds

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The cultivation of a kind of potato tissue culture seedling of embodiment 1

[0026] (1) Cultivation of shoot tip seedlings

[0027] Choose healthy potatoes, treat the terminal buds or side buds together with some petioles and stems in 70% alcohol for 30s, then soak in 10% bleach solution for 5-10min, and then rinse with sterile water two or three times;

[0028] After disinfection, put it under a binocular dissecting microscope of 10-40 times to peel off, press the stem bud with tweezers in one hand, and peel off the young leaves and large leaf primordia with a dissecting needle in the other hand until the round and bright growth points are exposed. Use a scalpel to cut off the small shoot tip with one or two leaf primordia, and quickly inoculate it on the shoot tip seedling medium for cultivation. The cultivation temperature is (25±2)°C, and the light intensity is 1000 lx for the first 4 weeks, and increases after 4 weeks. To 2000-3000lx, 16h of light per day, grow i...

Embodiment 2

[0037] Embodiment 2 A kind of transplanting seedbed for producing the original seed of potato

[0038] (1) Seedbed preparation

[0039] The transplanting seedbed is divided into three layers: the bottom layer is 8 cm thick nutrient soil, the middle layer is 1 cm thick solid medium particles, and the upper layer is 3 cm thick vermiculite;

[0040] After the nutrient soil is laid, every 667m 2 Treat the soil with 50% phoxim EC 250ml, 72% agricultural streptomycin SPX 250ml, 50% carbendazim WP 250g, and then perform rotary tillage, compaction and leveling;

[0041] Lay a 40-mesh nylon sieve on the leveled soil, and then lay solid medium particles on the sieve;

[0042] Lay 20-mesh nylon screen on the solid medium particles, and then spread vermiculite on the screen, every 667m 2 Apply 10kg of nitrogen, phosphorus, and potassium compound fertilizers to the vermiculite, and stir well to mix evenly;

[0043] (2) Nutrient soil

[0044] Nutrient soil consists of 60 parts of soil ...

Embodiment 3

[0058] Embodiment 3 A kind of transplanting seedbed for producing the original seed of potato

[0059] (1) Seedbed preparation

[0060] The transplanting seedbed is divided into three layers: the bottom layer is 12cm thick nutrient soil, the middle layer is 2cm thick solid medium particles, and the upper layer is 5cm thick vermiculite;

[0061] After the nutrient soil is laid, every 667m 2 Treat the soil with 50% phoxim EC 250ml, 72% agricultural streptomycin SPX 250ml, 75% chlorothalonil WP 250g, and then perform rotary tillage, compaction and leveling;

[0062] Lay a 40-mesh nylon sieve on the leveled soil, and then lay solid medium particles on the sieve;

[0063] Lay 20-mesh nylon screen on the solid medium particles, and then spread vermiculite on the screen, every 667m 2 Apply 10kg of nitrogen, phosphorus, and potassium compound fertilizers to the vermiculite, and stir well to mix evenly;

[0064] (2) Nutrient soil

[0065] Nutrient soil consists of 80 parts of soil...

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Abstract

The invention belongs to the technical field of potato breeding, and particularly relates to a transplanting seedling bed for producing original potato seeds. The transplanting seedling bed is dividedinto three layers, wherein the bottom layer is nutrient soil, the middle layer is solid culture medium particles, and the upper layer is vermiculite. The solid culture medium particles of the middlelayer are formed by cutting waste solid culture mediums without residual seedlings after potato seedlings are cut in the tissue culture process, after the partial solid culture medium particles replace the vermiculite, the cost of the seeding bed is reduced by 10-20%, and meanwhile the yield of the original seeds can be increased to a certain extent; on the one hand, the production cost of the original seeds unit yield is reduced; on the other hand, the post treatment problem of the waste culture mediums is solved.

Description

Technical field: [0001] The invention belongs to the technical field of potato breeding, in particular to a transplanting seedbed for producing original potato seeds. Background technique: [0002] The original potato seed is the preferred potato seed for modern potato planting. It selects high-quality potato seed potatoes, detoxifies the stem tip, and starts tissue culture and rapid propagation after virus detection. After 10-15 days, the tall and strong potato seedlings with a length of 10-15 cm are cut and obtained for colonization. At present, most of the virus-free seedling cuttings are cultivated on a special substrate in the greenhouse to obtain the original seed. Because the virus-free seedlings are planted directly using soil, it is generally difficult to survive or the survival rate is extremely low. Therefore, at present, a composite matrix composed of vermiculite, organic fertilizer and soil is generally used to plant the virus-free seedlings to produce original...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G24/27C05F17/00C05G1/00
CPCC05D1/00C05F17/00C05F3/00C05F5/00C05F5/002C05F11/00C05F11/08Y02W30/40
Inventor 马玉龙顾占杰马磊赵连喜黄广龙朱玉斌
Owner 固原天启薯业有限公司
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