New Zealand Journal of Botany abstract

New plant disease records in New Zealand: miscellaneous fungal pathogens III

E. H. C. McKENZIE

Herbarium PDD
Manaaki Whenua - Landcare Research
Private Bag 92170
Auckland, New Zealand

J. M. DINGLEY

16 Victoria Avenue
Remuera
Auckland, New Zealand

Abstract  Eleven fungi are recorded in New Zealand for the first time: Cercospora nasturtii Pass. on Rorippa nasturtium-aquaticum (L.) Hayek; Frommeella tormentillae (Fuckel) Y.Hirats. on Potentilla anglica Laichard. x P. nepalensis Hook.; Microsphaera sp. on Magnolia quinquepeta (Buc'hoz) Dandy; Peronospora candida Fuckel on Anagallis arvensis L.; P. digitalidis Gäum. on Digitalis purpurea L.; P. mesembryanthemi Verwoerd on Dorotheanthus bellidiformis (Burm.f.) N.E.Br.; Pseudocercospora nandinae (Nagat.) X.J.Liu et L.Y.Guo on Nandina domestica Thunb.; Puccinia conii Lagerh. on Conium maculatum L.; P. nakanishikii Dietel on Cymbopogon citratus (DC. ex Nees) Stapf.; Ramularia ajugae (Niessl) Sacc. on Ajuga reptans L.; and Stagonospora atriplicis (Westend.) Lind on Chenopodium album L. and C. murale L. A total of 125 new host/pathogen records are given for 65 other species. Included amongst these combinations are 28 rusts, 12 downy mildews, 5 powdery mildews, 5 smuts, 5 white rusts, rots caused by Botrytis and Sclerotinia, and many leaf spots and blotches. The hosts include introduced weeds, cultivated crop and horticultural plants, and indigenous plants.

Keywords  new records; plant diseases; fungi; New Zealand

B95031

Received 21 July 1995; accepted 4 December 1995

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