University of Illinois Urbana-Champaign

Onion (Allium cepa L.) seed aging and plant regeneration in vitro

Mohamed-Yasseen, Yasseen

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https://hdl.handle.net/2142/23838

Description

Title
Onion (Allium cepa L.) seed aging and plant regeneration in vitro
Author(s)
Mohamed-Yasseen, Yasseen
Issue Date
1991
Doctoral Committee Chair(s)
Splittstoesser, Walter E.
Department of Study
Agriculture, Plant Culture
Discipline
Agriculture, Plant Culture
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Agriculture, Plant Culture
Language
eng
Abstract
  • Onion seeds had cracks, and fungal infection was found over and inside the hilum and seed cracks. During storage dehydration and fungal infection may lead to membrane damage. Aged seeds had a high electrolyte leakage and encountered hydration stress which reduced seed germination and seedling vigor.
  • Tissue culture may be a useful tool to contribute to seed aging problems. Multiple shoots were obtained from seedling shoots, onion-set shoot tips, onion bulb shoot tips, and inflorescence. Shoots produced can be induced to form bulbs and can be transferred to the soil without acclimatization.
  • Artificial sets were obtained from regenerated shoots or directly from inflorescence in a medium with high sugar concentration. The production of artificial sets may overcome the problem of cost in regenerating in vitro plants; facilitate selection, handling and storage; and be useful in the production of disease-free germplasm.
Type of Resource
text
Permalink
http://hdl.handle.net/2142/23838
Copyright and License Information
Copyright 1991 Mohamed-Yasseen, Yasseen

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Graduate Dissertations and Theses at Illinois PRIMARY
Graduate Theses and Dissertations at Illinois