AbstractThree french laboratories have participated in the Free Flyer Biostack experiment. Artemia cysts, tobacco seeds and rice caryopsis and embryos were used. Biological objects in monolayers were dead. In opposite, a large fraction of samples used in bulk survived. A stimulatory effect occurred in the first steps of development in Artemia cysts. In fact, the larval survival was unchanged or slightly reduced. In tobacco a drastic decrease in germination and survival rate was observed. Space flight did not induce genetic changes. In rice, results depend on the variety which was investigated; the growth rate stimulation in flight samples is discussed with respect to controls.


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    Title :

    Influence of a long duration exposure, 69 months, to the space flight factors in Artemia cysts, tobacco and rice seeds


    Contributors:
    Planel, H. (author) / Gaubin, Y. (author) / Pianezzi, B. (author) / Delpoux, M. (author) / Bayonove, J. (author) / Bès, J.C. (author) / Heilmann, C. (author) / Gasset, G. (author)

    Published in:

    Publication date :

    1994-01-01


    Size :

    12 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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