Fig. 1.

Chromosome numbers from pollen mother cells and root tips of diploid Actinidia chinensis ‘Hort16A’ and its colchicine-induced autotetraploids: (A) meiotic anaphase I in a diploid showing the segregation of 29 chromosomes to each pole; (B) meiotic anaphase I in an autotetraploid showing the segregation of 58 chromosomes to each pole; (C) mitotic metaphase chromosomes of a diploid with 2n = 2x = 58; (D) mitotic metaphase chromosomes of an autotetraploid with 2n = 4x = 116. Scale bar = 10 µm.