Genetics 58: 51-54 (1982)
Inheritance of B chromosomes in garden roses*
P. Lata
Department of Plant Biology and Microbiology, Queen Mary College, London, England

Self pollinations in 1B cultivars Aunty Dora and Dearest (Figs. 2, 3 and 5) resulted in a high (17%) proportion of seedlings with more than 28 chromosomes (Table 1).

[Dearest has 28 chromosomes plus one "fragment".]