Sandalwood Spike Disease (SSD)

CA Concepts, CA Science

Posted Date October 26, 2022

Relevance:

Recently, a study showed that Sandalwood Spike Disease (SSD) is posing a severe threat on the Commercial Cultivation of Sandalwood.

About Sandalwood Spike Disease:

  • Infectious disease caused by phytoplasma.
    • Phytoplasmas are bacterial parasites of plant tissues which are transmitted by insect vectors and involved in plant-to-plant transmission.
  • Treatment: No cure (Cut down and remove the infected tree)
  • 1st reported – Karnataka (1899)
  • Reason – Restrictions on green felling (Silviculture felling)
    • Silviculture is the method of regulating the growth, health, composition, and quality of forests to meet diverse needs and values.

About Indian Sandalwood:

  • A dry deciduous forest species
  • Native – China, India, Indonesia, Australia, Philippines.
  • Varieties – Red wood, Dark brown and dark grey
  • IUCN Red – Vulnerable
  • Other NamesChandan and Srigandha.
  • Uses:
    • Sandalwood heartwood (close-grained) – furniture and carving.
    • Heartwood and roots (contains sandal oil) – Aromatics, cosmetics and medicines.
    • Bark (contains tannin) – Dye
    • Sandalwood essential oil – Antiseptic, Anti-inflammatory, Antispasmodic, Astringent
  • Major Growing Areas – Andhra Pradesh, Telangana, Bihar, Gujarat, Karnataka, Madhya Pradesh, Maharashtra, and Tamil Nadu.

About Red Sandalwood:

  • Endemic – South India
  • Areas – Tropical Dry Deciduous forest (Palakonda), Seshachalamhill ranges (Andhra Pradesh), Kerala, Tamil Nadu and Karnataka.
  • Conservation Status:
  • IUCN Red List – Near threatened
  • CITES – Appendix II

Reference: The Hindu


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