1 “... generation time, their ease of culture under laboratory conditions, and the possibil­ ity of identifying...”

2 Table of Contents: “... in in vitro spike cultures as a powerful Diagnostic Tool in Studies on Cereal Grain Development -- Physiology...”

3 Table of Contents: “... -- Genetically transformed root cultures — generation, properties and application in plant sciences -- Molecular...”

4 Table of Contents: “... Populations -- E. Special Topics -- I. Phloem in Plant Tissue Cultures -- IL Floral Ecology -- Report...”