Treat the niger seed with carbendazim or thiram at 4 g per kg of seed in a polythene bag for an even coating, 24 hours before sowing. This protects young seedlings from root rot.
Follow the instructions on the product label. Consult your local Agriculture Officer before use.
Pending expert review
Source
Crop Production Guide – Agriculture 2020 (Directorate of Agriculture, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Niger – Pre-treatment of seeds with fungicides, p. 250