CN106665347A - Detoxification and rapid propagation method of sweet potatoes of Yizi 138 - Google Patents

Detoxification and rapid propagation method of sweet potatoes of Yizi 138 Download PDF

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Publication number
CN106665347A
CN106665347A CN201610632415.XA CN201610632415A CN106665347A CN 106665347 A CN106665347 A CN 106665347A CN 201610632415 A CN201610632415 A CN 201610632415A CN 106665347 A CN106665347 A CN 106665347A
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China
Prior art keywords
sweet potato
detoxification
word
stem
seedling
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CN201610632415.XA
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Chinese (zh)
Inventor
王立国
郭子江
张嘉
李建军
朱永伶
芮淑会
王鸿鸣
李彦阳
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Tianjin Fenghua Yulong Agricultural Development Co Ltd
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Tianjin Fenghua Yulong Agricultural Development Co Ltd
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Priority to CN201610632415.XA priority Critical patent/CN106665347A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H4/00Plant reproduction by tissue culture techniques ; Tissue culture techniques therefor
    • A01H4/008Methods for regeneration to complete plants

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  • Life Sciences & Earth Sciences (AREA)
  • Developmental Biology & Embryology (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Cell Biology (AREA)
  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

The invention discloses a detoxification and rapid propagation method of sweet potatoes of Yizi 138. The detoxification and rapid propagation method comprises the following specific steps: treating stem tips at the top of the sweet potato of Yizi 138 to obtain a stem tip meristematic tissue; inoculating the stem tip meristematic tissue to a stem tip induction medium for culture to obtain a stem tip test-tube plantlet; firstly weeding out weak seedlings and symptomatic appearance seedlings through a visual observation method, then authenticating sweet potato viruses by a serological method, and weeding out non-detoxified sweet potato seedlings of Yizi 138; under a germ-free condition, cutting the high-quality sweet potato seedling stem tips subjected to stem tip meristematic tissue culture and detoxification authentication into single sections, inoculating the single sections into a common culture medium for continuous switching culture, and carrying out rapid propagation on the detoxified sweet potato seedlings of Yizi 138. According to the simple and feasible detoxification and rapid propagation method of the sweet potatoes of Yizi 138, an extremely good detoxification effect can be achieved; a large quantity of high-quality seedlings are provided; the high-quality seedlings and healthy seedlings are used for rapid propagation, so that the planting benefit can be increased, and most farmers and development enterprises are benefited.

Description

A kind of detoxifying fast breeding method for losing the sweet potato of word 138
Technical field
The present invention relates to Sweetpotato Viruses Elimination field, more particularly to a kind of detoxifying fast breeding method for losing the sweet potato of word 138.
Background technology
Lose the sweet potato food flavor of word 138 good, sugar content is high, glue that softness is good, be that the both urban and rural residents likes one of edible kind.It is fitted Preferably cultivate as spring, summer potato, preferably, block number is more, and potato wedges size is more uniform moderate for resistance to fertilizer, waterlogging tolerance.The sweet potato of word 138 is lost with potato The nutrition organs such as block and vines carries out vegetative propagation, introducing a fine variety, breed and production process in easily cause the accumulation of Virus Diseases of Sweet Potato With spread, so as to cause yield reduction, quality decline, plant sexual involution the problems such as.Hence with health seedling carry out it is fast it is numerous just into For inevitable choice, but general poison-removing method detoxification efficiency is not it is obvious that not only expend raw material, to have an effect on income.
The content of the invention
Present invention seek to address that the deficiencies in the prior art, and a kind of detoxifying fast breeding method for losing the sweet potato of word 138 is provided.
The present invention for achieving the above object, is employed the following technical solutions:
A kind of detoxifying fast breeding method for losing the sweet potato of word 138, concretely comprises the following steps:
(1) acquisition of aseptic explant:
Choose the stem apex for losing word 138 sweet potato seedling top 1.5cm length, first with 70% alcohol-pickled 10-15s, then with 0.1% Mercury chloride sterilization 6-8min, then used aseptic water washing 6-8 time, on superclean bench, entered using dissection sem observation The stripping of row stem apex, obtains the shoot apical meristem of 0.3-0.4mm;
(2) stem-apex Meristem culture detoxification:
The shoot apical meristem for peeling off acquisition is seeded on Stem tip induction culture medium, temperature is statically placed in for 30 DEG C, illumination Intensity is under conditions of 3000lx, 18h illumination cultivations to be carried out daily, and incubation time is 18-25 days, is proceeded to ordinary culture medium On, 15h illumination cultivations are carried out daily, incubation time is 55-60 days, obtains stem apex test tube seedling;
(3) detoxification identification:
Ocular estimate is taken first, weak seedling and aobvious disease seedling is eliminated, and is then eliminated not using serological method identification sweet potato viruses again There is the sweet potato seedling of something lost word 138 of detoxification;
(4) Virus-free Sweetpotato seedling is numerous soon:
Aseptically, the high-quality after stem-apex Meristem culture and detoxification identification is lost into the sweet potato seedling stem of word 138 Point, is cut into single-unit and is inoculated on ordinary culture medium, is statically placed in temperature for 30 DEG C, and intensity of illumination is under conditions of 3000lx, daily Carry out 15h illumination cultivations, incubation time is 20-23 days, constantly transfer culture by this program, carry out the detoxification something lost sweet potato of word 138 Seedling it is fast numerous.
The Stem tip induction culture medium consists of the agar+1mg/L6-BA of MS+3% sucrose+0.7%.
The ordinary culture medium consists of the agar of MS+3% sucrose+0.7%.
The serological method identifies that the concrete operation method for losing the sweet potato viruses of word 138 is:Base portion 2-3 piece leaves are taken per test tube seedling In being fitted into polybag, 1mlTBS-DIECA Extraction buffers are added, gently rolled, sample is mixed with tissue fluid, stood at 4 DEG C 70-80min, takes supernatant liquid spotting on ready celluloid sample film, carries out dot enzyme-linked immuno adsorption experiment, then Rinse, colour developing, if present bluish violet be without detoxification, it is colourless to slough virus.
The invention has the beneficial effects as follows:The invention provides a kind of simple fast numerous side of something lost word 138 Sweetpotato Viruses Elimination Method, can reach good detoxification efficiency, there is provided substantial amounts of high quality seedling, carried out using this high-quality health seedling it is fast numerous, Plantation income can be improved, vast Planting household and exploitation enterprise is benefited.
Specific embodiment
With reference to embodiment, the invention will be further described:
Embodiment 1:
A kind of detoxifying fast breeding method for losing the sweet potato of word 138, concretely comprises the following steps:
(1) acquisition of aseptic explant:
Choose the stem apex for losing word 138 sweet potato seedling top 1.5cm length, first with 70% alcohol-pickled 10s, then with 0.1% Mercury chloride is sterilized 8min, is then used aseptic water washing 8 times, on superclean bench, using sem observation is dissected stem apex is carried out Stripping, obtain 0.3mm shoot apical meristem;
(2) stem-apex Meristem culture detoxification:
The shoot apical meristem for peeling off acquisition is seeded on Stem tip induction culture medium, temperature is statically placed in for 30 DEG C, illumination Intensity is under conditions of 3000lx, 18h illumination cultivations to be carried out daily, and incubation time is 18 days, is proceeded on ordinary culture medium, 15h illumination cultivations are carried out daily, and incubation time is 60 days, obtains stem apex test tube seedling;
(3) detoxification identification:
Ocular estimate is taken first, weak seedling and aobvious disease seedling is eliminated, and is then eliminated not using serological method identification sweet potato viruses again There is the sweet potato seedling of something lost word 138 of detoxification;
(4) Virus-free Sweetpotato seedling is numerous soon:
Aseptically, the high-quality after stem-apex Meristem culture and detoxification identification is lost into the sweet potato seedling stem of word 138 Point, is cut into single-unit and is inoculated on ordinary culture medium, is statically placed in temperature for 30 DEG C, and intensity of illumination is under conditions of 3000lx, daily Carry out 15h illumination cultivations, incubation time is 23 days, constantly transfer culture by this program, carry out the detoxification something lost sweet potato seedling of word 138 It is fast numerous.
The Stem tip induction culture medium consists of the agar+1mg/L6-BA of MS+3% sucrose+0.7%.
The ordinary culture medium consists of the agar of MS+3% sucrose+0.7%.
The serological method identifies that the concrete operation method for losing the sweet potato viruses of word 138 is:2 leaf dresses of base portion are taken per test tube seedling In entering polybag, 1mlTBS-DIECA Extraction buffers are added, gently rolled, sample is mixed with tissue fluid, stood at 4 DEG C 70min, takes supernatant liquid spotting on ready celluloid sample film, carries out dot enzyme-linked immuno adsorption experiment, Ran Houchong Wash, develop the color, if present bluish violet be without detoxification, it is colourless to slough virus.
The invention provides a kind of simple fast numerous method of something lost word 138 Sweetpotato Viruses Elimination, can reach de- well Toxic effect fruit, there is provided substantial amounts of high quality seedling, is carried out fast numerous, it is possible to increase plantation income, favour using this high-quality health seedling And vast Planting household and exploitation enterprise.
Embodiment 2:
A kind of detoxifying fast breeding method for losing the sweet potato of word 138, concretely comprises the following steps:
(1) acquisition of aseptic explant:
Choose the stem apex for losing word 138 sweet potato seedling top 1.5cm length, first with 70% alcohol-pickled 15s, then with 0.1% Mercury chloride is sterilized 6min, is then used aseptic water washing 6 times, on superclean bench, using sem observation is dissected stem apex is carried out Stripping, obtain 0.4mm shoot apical meristem;
(2) stem-apex Meristem culture detoxification:
The shoot apical meristem for peeling off acquisition is seeded on Stem tip induction culture medium, temperature is statically placed in for 30 DEG C, illumination Intensity is under conditions of 3000lx, 18h illumination cultivations to be carried out daily, and incubation time is 25 days, is proceeded on ordinary culture medium, 15h illumination cultivations are carried out daily, and incubation time is 55 days, obtains stem apex test tube seedling;
(3) detoxification identification:
Ocular estimate is taken first, weak seedling and aobvious disease seedling is eliminated, and is then eliminated not using serological method identification sweet potato viruses again There is the sweet potato seedling of something lost word 138 of detoxification;
(4) Virus-free Sweetpotato seedling is numerous soon:
Aseptically, the high-quality after stem-apex Meristem culture and detoxification identification is lost into the sweet potato seedling stem of word 138 Point, is cut into single-unit and is inoculated on ordinary culture medium, is statically placed in temperature for 30 DEG C, and intensity of illumination is under conditions of 3000lx, daily Carry out 15h illumination cultivations, incubation time is 20 days, constantly transfer culture by this program, carry out the detoxification something lost sweet potato seedling of word 138 It is fast numerous.
The Stem tip induction culture medium consists of the agar+1mg/L6-BA of MS+3% sucrose+0.7%.
The ordinary culture medium consists of the agar of MS+3% sucrose+0.7%.
The serological method identifies that the concrete operation method for losing the sweet potato viruses of word 138 is:3 leaf dresses of base portion are taken per test tube seedling In entering polybag, 1mlTBS-DIECA Extraction buffers are added, gently rolled, sample is mixed with tissue fluid, stood at 4 DEG C 80min, takes supernatant liquid spotting on ready celluloid sample film, carries out dot enzyme-linked immuno adsorption experiment, Ran Houchong Wash, develop the color, if present bluish violet be without detoxification, it is colourless to slough virus.
The invention provides a kind of simple fast numerous method of something lost word 138 Sweetpotato Viruses Elimination, can reach de- well Toxic effect fruit, there is provided substantial amounts of high quality seedling, is carried out fast numerous, it is possible to increase plantation income, favour using this high-quality health seedling And vast Planting household and exploitation enterprise.
Embodiment 3:
A kind of detoxifying fast breeding method for losing the sweet potato of word 138, concretely comprises the following steps:
(1) acquisition of aseptic explant:
Choose the stem apex for losing word 138 sweet potato seedling top 1.5cm length, first with 70% alcohol-pickled 13s, then with 0.1% Mercury chloride is sterilized 7min, is then used aseptic water washing 7 times, on superclean bench, using sem observation is dissected stem apex is carried out Stripping, obtain 0.3mm shoot apical meristem;
(2) stem-apex Meristem culture detoxification:
The shoot apical meristem for peeling off acquisition is seeded on Stem tip induction culture medium, temperature is statically placed in for 30 DEG C, illumination Intensity is under conditions of 3000lx, 18h illumination cultivations to be carried out daily, and incubation time is 22 days, is proceeded on ordinary culture medium, 15h illumination cultivations are carried out daily, and incubation time is 57 days, obtains stem apex test tube seedling;
(3) detoxification identification:
Ocular estimate is taken first, weak seedling and aobvious disease seedling is eliminated, and is then eliminated not using serological method identification sweet potato viruses again There is the sweet potato seedling of something lost word 138 of detoxification;
(4) Virus-free Sweetpotato seedling is numerous soon:
Aseptically, the high-quality after stem-apex Meristem culture and detoxification identification is lost into the sweet potato seedling stem of word 138 Point, is cut into single-unit and is inoculated on ordinary culture medium, is statically placed in temperature for 30 DEG C, and intensity of illumination is under conditions of 3000lx, daily Carry out 15h illumination cultivations, incubation time is 21 days, constantly transfer culture by this program, carry out the detoxification something lost sweet potato seedling of word 138 It is fast numerous.
The Stem tip induction culture medium consists of the agar+1mg/L6-BA of MS+3% sucrose+0.7%.
The ordinary culture medium consists of the agar of MS+3% sucrose+0.7%.
The serological method identifies that the concrete operation method for losing the sweet potato viruses of word 138 is:3 leaf dresses of base portion are taken per test tube seedling In entering polybag, 1mlTBS-DIECA Extraction buffers are added, gently rolled, sample is mixed with tissue fluid, stood at 4 DEG C 75min, takes supernatant liquid spotting on ready celluloid sample film, carries out dot enzyme-linked immuno adsorption experiment, Ran Houchong Wash, develop the color, if present bluish violet be without detoxification, it is colourless to slough virus.
The invention provides a kind of simple fast numerous method of something lost word 138 Sweetpotato Viruses Elimination, can reach de- well Toxic effect fruit, there is provided substantial amounts of high quality seedling, is carried out fast numerous, it is possible to increase plantation income, favour using this high-quality health seedling And vast Planting household and exploitation enterprise.
The present invention is exemplarily described above, it is clear that the present invention is implemented and is not subject to the restrictions described above, As long as employing method of the present invention design and the various improvement that carry out of technical scheme, or not improved directly apply to other fields Close, within protection scope of the present invention.

Claims (4)

1. it is a kind of lose the sweet potato of word 138 detoxifying fast breeding method, it is characterised in that concretely comprise the following steps:
(1) acquisition of aseptic explant:
Choose the stem apex for losing word 138 sweet potato seedling top 1.5cm length, first with 70% alcohol-pickled 10-15s, then with 0.1% chlorine Change mercury sterilization 6-8min, then used aseptic water washing 6-8 time, on superclean bench, stem is carried out using dissection sem observation The stripping of point, obtains the shoot apical meristem of 0.3-0.4mm;
(2) stem-apex Meristem culture detoxification:
The shoot apical meristem for peeling off acquisition is seeded on Stem tip induction culture medium, temperature is statically placed in for 30 DEG C, intensity of illumination Under conditions of for 3000lx, 18h illumination cultivations are carried out daily, incubation time is 18-25 days, is proceeded on ordinary culture medium, 15h illumination cultivations are carried out daily, and incubation time is 55-60 days, obtains stem apex test tube seedling;
(3) detoxification identification:
Ocular estimate is taken first, weak seedling and aobvious disease seedling is eliminated, and is then eliminated without de- using serological method identification sweet potato viruses again The sweet potato seedling of something lost word 138 of poison;
(4) Virus-free Sweetpotato seedling is numerous soon:
Aseptically, the high-quality after stem-apex Meristem culture and detoxification identification is lost into the sweet potato seedling stem apex of word 138, is cut It is inoculated on ordinary culture medium into single-unit, is statically placed in temperature for 30 DEG C, intensity of illumination is under conditions of 3000lx, to carry out daily 15h illumination cultivations, incubation time is 20-23 days, is constantly transferred culture by this program, carries out the detoxification something lost sweet potato seedling of word 138 It is fast numerous.
2. it is according to claim 1 it is a kind of lose the sweet potato of word 138 detoxifying fast breeding method, it is characterised in that the stem apex is lured That leads culture medium consists of the agar+1mg/L6-BA of MS+3% sucrose+0.7%.
3. it is according to claim 2 it is a kind of lose the sweet potato of word 138 detoxifying fast breeding method, it is characterised in that the common training Foster base consists of the agar of MS+3% sucrose+0.7%.
4. it is according to claim 3 it is a kind of lose the sweet potato of word 138 detoxifying fast breeding method, it is characterised in that the serology Method identifies that the concrete operation method for losing the sweet potato viruses of word 138 is:Base portion 2-3 piece leaves are taken per test tube seedling to be fitted into polybag, add 1mlTBS-DIECA Extraction buffers, gently roll, and sample is mixed with tissue fluid, and at 4 DEG C 70-80min is stood, and take supernatant Point sample carries out dot enzyme-linked immuno adsorption experiment on ready celluloid sample film, then rinses, develops the color, if being in Existing bluish violet be without detoxification, it is colourless to slough virus.
CN201610632415.XA 2016-08-03 2016-08-03 Detoxification and rapid propagation method of sweet potatoes of Yizi 138 Pending CN106665347A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110810247A (en) * 2019-12-05 2020-02-21 天津丰华裕隆农业发展股份有限公司 Sweet potato stem tip detoxification and breeding method
CN114051927A (en) * 2021-11-09 2022-02-18 延安市农业科学研究所 Simplified breeding method for virus-free sweet potato seedlings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110810247A (en) * 2019-12-05 2020-02-21 天津丰华裕隆农业发展股份有限公司 Sweet potato stem tip detoxification and breeding method
CN114051927A (en) * 2021-11-09 2022-02-18 延安市农业科学研究所 Simplified breeding method for virus-free sweet potato seedlings

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