Use disease-free, well-sprouted seed tubers of 40–50 g. Seed rate: 3,000–3,500 kg/ha. The source also gives a chemical fumigant treatment to break tuber dormancy — use it only with guidance from your Horticulture Officer.
Pending expert review
Source
Crop Production Guide – Horticulture Crops 2020 (Directorate of Horticulture and Plantation Crops, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Potato – Season and planting; seed rate, p. 134
