ACETO-ORCEIN squash preparations of a culture of Pythium debaryanum Hesse were found to have nuclei in division in the oogonia and the antheridia (Figs. 1 and 2). The stage of division was usually ...

DATA on the comparative effectiveness of gibberellins have recently been published by some authors1–5. A further very sensitive reaction caused by these plant hormones has been found in our ...