Ganoderma Boninense: An Existential Threat to Indonesian Oil Palm Sustainability - A Review of Pathogenicity, Economic Impact, and Integrated Management Strategies
DOI:
https://doi.org/10.65150/EP-jnsrr/V2E2/2026-04Keywords:
Ganoderma boninense, basal stem rot, oil palm sustainability, integrated disease management, biological control, Indonesia, climate change, resistant varieties, economic impact, qualitative literature reviewAbstract
Basal stem rot (BSR) caused by Ganoderma boninense represents the most devastating disease threatening the sustainability of Indonesia's oil palm industry, the world's largest palm oil producer. This qualitative literature review synthesizes current knowledge on the pathogenicity mechanisms, economic impacts, and management strategies for Ganoderma disease in the Indonesian context. Through a thematic analysis of 60+ peer-reviewed publications from 2010 to 2026, this study reveals that BSR incidence is increasing across all plantation ages and soil types, with projected infection rates reaching 100% in Sumatra under climate change scenarios by 2100. Economic losses are estimated at USD 500 million annually, with individual infected palms experiencing 43% yield reduction within six months. Current management approaches demonstrate that no single control method provides complete protection; however, integrated disease management combining cultural practices (clean clearing with one-year fallowing reducing incidence to 3-6%), biological control agents (Trichoderma spp. achieving 83-89% disease suppression), moderate resistant varieties, and early detection technologies (UAV multispectral imaging with >90% accuracy) offers the most promising pathway. Critical gaps include the absence of completely resistant varieties, limited smallholder access to advanced technologies, and inadequate national biosecurity frameworks. This review provides evidence-based policy recommendations, including establishing a national Ganoderma biosecurity program, dedicated research funding, mandatory integration into the Indonesian Sustainable Palm Oil (ISPO) certification system, and technology democratization mechanisms to safeguard the sustainability of Indonesia's palm oil industry.
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