PMID: 16536032Mar 16, 2006Paper

Growth, development and genetic status of pea plants cultivated in space greenhouse "LADA"

Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine
M A LevinskikhG E Bingham

Abstract

In the period between March 2003 and April 2005 five crops of genetically marked dwarf pea were cultivated in greenhouse LADA on the ISS Russian segment to study morphology and genetics in consecutive generations. Results of the first space experiment were analyzed and characteristics of ground plants grown from space seeds were studied. It was shown that parameters of growth, development and genetic status of pea plants that completed the ontogenetic cycle in LADA did not differ substantially from the laboratory control and that plants cultivated in space flight do not incur losses in the reproductive function and form viable seeds. Genetic analysis of plants from the first generation of space and ground seeds using the methods of RAPD-primers (10 markers) and chromosomal aberration analysis failed to reveal genetic polymorphism which means that the spaceflight factors had no effect on the genetic apparatus of the first generation of space-grown plants.

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