Seedlings of sweet clover were treated with colchicine. Plants that responded to treatment either were tetraploid in all new root tissues, or had sectors, or islands of tetraploid tissue in the root tips. Cutting made from the plants in the latter category were tetraploid throughout.
Proceedings of the Iowa Academy of Science
© Copyright 1942 by the Iowa Academy of Science, Inc.
Johnson, I. J. and Sass, J. E.
"Tetraploidy in Melilotus alba induced by colchicine,"
Proceedings of the Iowa Academy of Science, 49(1), 254-254.
Available at: https://scholarworks.uni.edu/pias/vol49/iss1/112