New Zealand Journal of Botany abstract
New reports of chromosome numbers in Actinidia (Actinidiaceae)
G. YAN
School of Biological Sciences
The University of Auckland
Private Bag 92 019
Auckland, New Zealand
J. YAO
A. R. FERGUSON
M. A. MCNEILAGE
A. G. SEAL
Horticulture and Food Research Institute of New Zealand
Private Bag 92 169
Auckland, New Zealand
B. G. MURRAY
School of Biological Sciences
The University of Auckland
Private Bag 92 019
Auckland, New Zealand
Author for correspondence
Abstract Chromosome numbers are reported for the first time
for seven taxa of Actinidia: A. arguta var. purpurea,
2n = 8x = c. 232; A. deliciosa var.
chlorocarpa, 2n = 6x = 174; A. deliciosa var.
coloris, 2n = 6x = 174; A. glaucophylla, 2n
= 2x = 58; A. guilinensis, 2n = 2x = 58; A.
indochinensis, 2n = 2x = 58 and A. setosa 2n =
2x = 58. Ploidy variation has also been observed in A. melanandra
and confirmed in A. chinensis var. chinensis: 2n =
2x = 58 and 2n = 4x = 116. Chromosome numbers for another
11 Actinidia taxa were found to be in agreement with those previously
reported. Chromosome numbers were the same for male and female plants of the
same taxon. Detailed studies of chromosome morphology was not possible under
the light microscope because of the small size of Actinidia
chromosomes.
Keywords Actinidia; chromosome numbers; polyploidy;
kiwifruit
B96060
Received 30 September 1996; accepted 10 March 1997
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