Ann. Apl. Biol
Experiments were carried out to determine what degree of intervarietal cross-pollination occurs when two radish varieties are grown at varying distances apart. The varieties chosen were Icicle and Scarlet Globe. Hybrids are distinctive; thus crossing is readily determined.
Crane, M. B. and Mather, K., "The natural cross-pollination of crop plants with particular reference to the radish" (1943). Co. Paper 159.
Available for download on Friday, January 01, 4500