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RESEARCH ARTICLE

Mating types of Phytophthora colocasiae from the Pacific region, India and South-east Asia

J. L. Tyson A C and R. A. Fullerton B
+ Author Affiliations
- Author Affiliations

A Biosecurity New Zealand, Ministry of Agriculture and Forestry, PO Box 2526, Wellington, New Zealand.

B HortResearch, Private Bag 92-169, Auckland, New Zealand.

C Corresponding author. Email: tysonj@maf.govt.nz

Australasian Plant Disease Notes 2(1) 111-112 https://doi.org/10.1071/DN07046
Submitted: 28 March 2007  Accepted: 13 July 2007   Published: 26 July 2007

Abstract

Mating type interactions were examined between 54 Phytophthora colocasiae isolates from the Pacific region, India and South-east Asia. Forty isolates were found to be A2 mating type and 14 did not form oospores with either mating type. No A1 or self-fertile isolates were found.


Acknowledgements

The authors thank L.W. Timmer for the P. nicotianae A1 and A2 tester isolates; J. Uchida for Hawaiian isolates and advice on methods; K. Engelberger, T. Gunua, D. Hunter, G. Wall, Y. R. Sharma, V. Lebot and M. Duchamp for P. colocasiae isolates from various countries. Additional isolates were collected by R.A. Fullerton. This research was funded by the New Zealand Ministry of Foreign Affairs and Trade.


References


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