2009•Biocontrol Science and TechnologyRequires access

Colonization ofSclerotinia sclerotiorumsclerotia by a biocontrol isolate ofTrichoderma harzianum, and effects on myceliogenic germination

Tae Gwan Kim, Guy R. Knudsen

Abstract

Sclerotia of Sclerotinia sclerotiorum were incubated on cultures of Trichoderma harzianum. Myceliogenic germination decreased by 50% within 1 day and continued to decrease over time. Quantitative PCR showed a decrease in Sclerotinia DNA for older sclerotia, but not fresh sclerotia. Trichoderma DNA increased and persisted inside older sclerotia but not fresh sclerotia.

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Key concepts: Sclerotinia sclerotiorum, Trichoderma harzianum, Biology, Germination, Sclerotinia, Trichoderma, Biological pest control, Colonization