“Ganoderma lucidum” infects a wide range of tropical and sub-tropical species as well as perennial horticultural crops, leading to various symptoms such as basal end rot, pink root disease, root rot, leaf and twig blight, and heart rot in perennial crops. Ganoderma sp. belong to the order Aphyllophorales and are morphologically characterized by large, perennial, woody basidiocarps that are bracket-shaped and exhibit significant variation in coloration. These Ganoderma species are globally distributed wood-decaying fungi of importance. Their mycelium forms an expansive network within the host plant, gradually degrading wood through enzymatic processes. Symptoms often remain latent until fruiting bodies develop. By that stage, the entire internal tissues are thoroughly destroyed. Ganoderma species are identified by their basidiospores, which are consistently truncated at the apex and typically ovoid or ellipsoid in shape. The basidiospore wall is notably thick at the apex and thinner towards the base, featuring a distinct double-wall structure comprising a hyaline outer layer and a colored inner layer. Basal stem rot (BSR), induced by Ganoderma species, stands as a significant constraint on the productivity of palm and forest tree plantations, often resulting in the demise of palm trees. The continuous monoculture of perennial plantation crops presents a significant management challenge, as it facilitates the buildup of substantial inoculum and increases disease pressure. Disease management strategies involve several cultural practices such as sanitation, efficient water management, planting disease-free materials, preventing root and basal damage, and utilizing various biological agents and fungicides.

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Ganoderma

  • J. Raju,
  • Priti Sonavane,
  • Amurtha Lakshmi,
  • Andrea Susan Baby

摘要

“Ganoderma lucidum” infects a wide range of tropical and sub-tropical species as well as perennial horticultural crops, leading to various symptoms such as basal end rot, pink root disease, root rot, leaf and twig blight, and heart rot in perennial crops. Ganoderma sp. belong to the order Aphyllophorales and are morphologically characterized by large, perennial, woody basidiocarps that are bracket-shaped and exhibit significant variation in coloration. These Ganoderma species are globally distributed wood-decaying fungi of importance. Their mycelium forms an expansive network within the host plant, gradually degrading wood through enzymatic processes. Symptoms often remain latent until fruiting bodies develop. By that stage, the entire internal tissues are thoroughly destroyed. Ganoderma species are identified by their basidiospores, which are consistently truncated at the apex and typically ovoid or ellipsoid in shape. The basidiospore wall is notably thick at the apex and thinner towards the base, featuring a distinct double-wall structure comprising a hyaline outer layer and a colored inner layer. Basal stem rot (BSR), induced by Ganoderma species, stands as a significant constraint on the productivity of palm and forest tree plantations, often resulting in the demise of palm trees. The continuous monoculture of perennial plantation crops presents a significant management challenge, as it facilitates the buildup of substantial inoculum and increases disease pressure. Disease management strategies involve several cultural practices such as sanitation, efficient water management, planting disease-free materials, preventing root and basal damage, and utilizing various biological agents and fungicides.