New Zealand Journal of Crop and Horticultural Science abstracts
Fungi associated with fruit rots of Actinidia chinensis ‘Hort16A’
in New Zealand
M. A. Manning
X. Meier
T. L. Olsen
The Horticulture and Food Research
Institute of New Zealand Ltd
Mt Albert Research Centre
Private Bag 92 169
Auckland, New Zealand
email: mmanning@hortresearch.co.nz
P. R. Johnston
Landcare Research
Private Bag 92 170
Auckland, New Zealand
Abstract A new yellow fleshed kiwifruit Actinidia
chinensis var. chinensis ‘Hort16A’grown commercially in New Zealand
is susceptible to infection by several fungi. The symptoms are mainly apparent
after a period in coolstorage although preharvest symptoms do occur. Botryosphaeria
dothidea, Cryptosporiopsis sp., Diaporthe spp., Cylindrocarpon
cf. candidum, Phoma exigua, and Botrytis cinerea have
most commonly been isolated from a range of symptoms on fruit including side,
distal end and stem end rots, and fungal pitting. In addition, wounds caused
by postharvest fruit handling can become infected. During trials to establish
the best methods of postharvest handling and storage, identifications of
fungi associated with fruit rots were made. This paper outlines the observations
of several years of study on diseases of ‘Hort16A’ kiwifruit and describes
the symptoms and the fungi associated with them.
Keywords Actinidia chinensis var. chinensis
‘Hort16A’; kiwifruit; fungal diseases; Botrytis; Botryosphaeria;
Cryptosporiopsis; Diaporthe; Phoma; Cylindrocarpon
H03077 Received 13 August 2003; accepted 29 August 2003; Online publication
date 3 November 2003
New Zealand Journal of Crop and Horticultural Science, 2003, Vol. 31:
315-324
0014-0671/03/3104-0315 $7.00 © The Royal Society of New Zealand
2003
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