Observations onB. radigicola, Beijk

Abstract

1. Cultures ofB. radicicoladerived from eight different host plants have been studied and a description is given of the morphology and reproductive processes of the organisms.2. The growth forms described include rods, coccoids, branched forms, gonidangia, gonidia and dwarfed growth, and microcysts.3. The different cell types represent normal stages in the development of the organisms.4. The reproductive processes described are fission, budding, liberation of gonidia, formation of regenerative bodies, and germination.5. The formation of symplasm and the regeneration of cells is discussed.