Cashew — 6Pests & diseases

• Pests and diseases: non-chemical measures in the source

  Stem borer: collect and destroy affected shoots; remove grubs early; swab the trunk with neem oil 5% three times a year (January–February, May–June, September–October). Die-back (pink disease): prune affected shoots just below the affected part and apply Bordeaux paste.

  Pending expert review

  Source

  Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Cashew – Plant protection (non-chemical measures), pp. 202–203

  Region

  Tamil Nadu

  Last updated

  2026-11-04

• Pests and diseases: ask before you spray

  The source lists chemical treatments for stem borer, root borer, tea mosquito bug and die-back. Choose any product only with your local Horticulture or Agriculture Officer.

  Follow the instructions on the product label. Consult your local Agriculture Officer before use.

  Pending expert review

  Source

  Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Cashew – Plant protection, pp. 202–203

  Region

  Tamil Nadu

  Last updated

  2026-11-04