, Volume 20, Issue 3, pp 209-215
Date: 16 Sep 2009

Ectomycorrhizal species associated with Pinus radiata in New Zealand including novel associations determined by molecular analysis

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Ectomycorrhizal (ECM) associates of the exotic plantation species Pinus radiata were investigated above and below ground over two years in the North Island of New Zealand. ECM species were identified using morphological and molecular (restriction fragment length polymorphism and DNA sequencing) analysis. Eighteen ECM species were observed fruiting above ground; 19 ECM species were identified below ground. In the above ground study, Wilcoxina mikolae, Rhizopogon pseudoroseolus and Inocybe sindonia were noted for the first time as ECM associates of P. radiata in New Zealand. Below ground, the species W. mikolae, R. pseudoroseolus, Rhizopogon luteorubescens, Pseudotomentella sp., Pseudotomentella tristis and Tomentella sp. were found as new associates of P. radiata in New Zealand. Additionally, six ECM types were found that could not be identified with molecular analysis. The putative ECM taxa Tricholoma pessundatum, Laccaria laccata and Hebeloma crustuliniforme were examined by molecular analysis, and species identifications were proposed to be changed to Tricholoma sp., L. laccata and Hebeloma sp. for specimens associated with P. radiata in New Zealand. The species identity of I. sindonia, previously unidentified to species level, was determined with direct sequencing.

Scion is the trading name of the New Zealand Forest Research Institute Ltd.