Mark Braithwaite

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Pellet and solid substrate formulations combined with a soil drench formulation of Trichoderma atroviride were evaluated under varying disease pressures in field trials to determine which formulation(s) provided the best control of the soil-borne disease onion white rot. Under low (11.8%) (average Area Under the Disease Progress Curve (AUDPC): 5.94%),(More)
Trichoderma species form endophytic associations with plant roots and may provide a range of benefits to their hosts. However, few studies have systematically examined the diversity of Trichoderma species associated with plant roots in tropical regions. During the evaluation of Trichoderma isolates for use as biocontrol agents, root samples were collected(More)
This is the first comprehensive survey of the species diversity of Trichoderma for a region within the temperate Southern Hemisphere. New Zealand makes an ideal target for such a survey because of the extensive historical collections of this genus from both native and human-modified ecosystems. From the 320 Trichoderma strains sequenced for the translation(More)
Trichoderma strains were tested for their ability to reduce the severity of root-knot nematode (RKN), Meloidogyne hapla galling on tomato roots. In initial glasshouse trials, under low levels of RKN infestation (1.1 eggs mL soil−1), Trichoderma strains applied as a conidial suspension reduced RKN-induced root galling by 42–88 %. When the nematode(More)
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