Canio G. Vosa

• Acetic-orcein, a new stain for the detection of constitutive heterochromatin in plant and animal chromosomes
• Chromosome variation in Tulbaghia
• New chromosome types in Tradescantia virginiana
• Seed germination and B-chromosomes in the leek (Allium porrum)
• The transmission of B-chromosomes in Tradescantia virginiana
• Tulbaghia hybrids