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Karyological Observations in Developing Root Seedlings (OSS-1.2)
Principal Investigator
Research Area:
Plant biology
Species Studied
Scientific Name: Avena sativa Species: Oat
Scientific Name: Vigna radiata Species: Mung Bean


Examination of plants grown under microgravity is still in its infancy. As more opportunities arise for making observations on space-grown material, it benefits investigators greatly to learn as much as possible, however fragmentary, from flight samples. As part of a larger investigation conducted in cooporation with the HEFLEX experiment flown on both STS-2 and STS-3, this study sought to utilize oat and mung bean root seedlings germinated in space for karyological examinations.

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Krikorian, A.D. and S.A. O'Conner: Some Karyological Observations on Plants Grown in Space. Physiologist, supl., vol. 25, no. 6, 1982, pp. S125-S126.

Krikorian, A.D. and S.A. O'Connor: Experiments on Plants Grown in Space: Karyological Observations. Annals of Botany, vol. 54, supl. 3, 1984, pp. 49-63.

Krikorian, A.D. et al.: Effects of Spaceflight on Growth and Cell Division in Higher Plants. Advances in Space Biology and Medicine, vol. 2, 1992, pp. 181-209.

Cell division
Plant roots
Plant shoots

Data Information
Data Availability
Archive is complete. No data sets are available for this experiment. Please Contact LSDA if you know of available data for this investigation.

Behavior, Root orientation, oat and mung bean root seedlings, Observation
Count, Cell divisions, mung bean, oat, plant, Microscopy (number/10,000 cells)
Size, length, Root, mung bean, oat, plant, Gross measurement

Mission/Study Information
Mission Launch/Start Date Landing/End Date Duration
STS-3 03/22/1982 03/30/1982 8 days

Additional Information
Managing NASA Center
Ames Research Center (ARC)
Responsible NASA Representative
Ames Research Center LSDA Level 3
Project Manager: Sylvain Costes
Institutional Support
National Aeronautics and Space Administration (NASA)
Protocol / Approach
Synchronous control
Hardware Items