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Genetic Control of Root Fluorescence in Soybeans 1
Author(s) -
Fehr W. R.,
Giese J. H.
Publication year - 1971
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1971.0011183x001100050054x
Subject(s) - fluorescence , biology , botany , fluorescent light , optics , physics
We studied the genetic control of root fluorescence in soybeans [ Glycine max (L.) Merr.]. Fluorescent roots emit a soft blue glow when exposed to ultraviolet light, while nonfluorescent roots exhibit the dark violet color of the light source. Two soybean varieties with fluorescent roots, 'Blackhawk' and 'Hawkeye,' and one variety with nonfluorescent roots, 'Minsoy,' were used. Evaluation of F 1 plants, F 2 populations, and F 3 families from the crosses Blackhawk ✕ Hawkeye, Blackhawk ✕ Minsoy, and Hawkeye ✕ Minsoy indicated that root fluorescence was controlled by a single gene. Fluorescence is completely dominant to nonfluorescence. The same allele for fluorescence is present in Blackhawk and Hawkeye. The symbol Fr will be used to designate the fluorescent gene.