Pests and diseases: non-chemical measures in the source
Tea mosquito bug: monitor regularly and remove alternate hosts such as neem, cashew and guava. Mealybug: monitor, remove weed hosts like Parthenium, destroy infested parts, use neem oil 2% for light attacks, and release Cryptolaemus beetles (10 per tree). Stem canker and pink disease: remove or prune affected parts and apply Bordeaux paste. Chemical sprays and rodent baits are also listed — ask your officer.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Cocoa – Plant protection, pp. 206–207
