Full text not available. This article's full text was not recovered in the archive. The citation and links above point to the published record. Related research The Production of Conidiophores and Conidia by Newly Germinated Conidia of Aspergillus niger (Microcycle Conidiation) Journal of General Microbiology · 1971 The Growth of Peronospora farinosa f. sp. betae and Sugar Beet Callus Tissues in Dual Culture Journal of General Microbiology · 1971 ← Previous article in this issueThe Production of Conidiophores and Conidia by Newly Germinated Conidia of Aspergillus niger (Microcycle Conidiation) Next article in this issue →The Growth of Peronospora farinosa f. sp. betae and Sugar Beet Callus Tissues in Dual Culture