Q.114
Which of the following is an antagonistic biocontrol agent?
- Forest Biocontrol Agent Peniophora gigantea:
- Biology: Peniophora gigantea (now Phlebiopsis gigantea) is a saprotrophic wood-decay basidiomycete formulated commercially (e.g., PG Suspension / Rotstop).
- Application: It is applied to freshly cut pine and conifer tree stumps immediately after felling to competitively colonize stump surfaces, preventing spore infection and root spread of the devastating root and butt rot pathogen Heterobasidion annosum (Fomes annosus).
- Conclusion: Peniophora gigantea is an antagonistic biocontrol agent (Option 1).
Correct option: (1) Peniophora gigantea
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