Pests and diseases: non-chemical measures in the source
Cutworms: summer ploughing, light traps (7–10 pm), pheromone traps (8/acre), hand-collecting larvae, NSKE 5% or Bacillus thuringiensis 2 g/l. Tuber moth: healthy tubers planted 15 cm deep, pheromone traps (5/acre), earthing up, and covering stored seed tubers with lantana or eucalyptus branches. Nematodes: do not grow potato year after year in the same field. Late blight and brown rot: use disease-free seed, good drainage, and remove affected plants. Viruses: use virus-free seed and pull out affected plants.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Potato – Plant protection (non-chemical measures), pp. 135–137
Region
Tamil Nadu
Last updated
2026-11-04
Pests and diseases: ask before you spray
The source lists chemical treatments for cutworms, tuber moth, aphids, jassids, thrips, late blight, early blight and the aphids that spread viruses. 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)), Potato – Plant protection, pp. 135–137
