Conference proceedings article
Understanding Trichoderma bio-inoculants in the root ecosystem of Pinus radiata

Publication Details
Hohmann, P.; Jones, E.; Hill, R.; Stewart, A.
Guest, David
Australasian Plant Pathology Society
Newcastle, Australia
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Proceedings of the 17th Biennial Conference of the Australasian Plant Pathology Society

The genus Trichoderma are beneficial soil‐borne fungi and a wellknown source of biological control agent active against a widerange of crop diseases, including those of pine trees (1). Severalisolates of Trichoderma have been shown to improveestablishment and reduce pathogen infection of Pinus radiata inthe nursery and in forestry plantations (2). Three isolates ofdifferent Trichoderma species were selected for this study. T.hamatum (LU592) and T. harzianum (LU686), known to stimulategrowth and improve establishment of P. radiata seedlings, and T.atroviride (LU132) which had no stimulatory activity. To enablemore predictable and effective use of Trichoderma bioinoculants,their establishment and population dynamics wasdetermined. In addition, the effect of each isolate on P. radiataseedling vitality and growth was assessed.


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