Black gram — 2Seed selection & treatment

• Seed treatment

  Treat seed with talc formulation of Trichoderma viride at 4 g/kg or Pseudomonas fluorescens at 10 g/kg, then with Rhizobium. For one hectare of seed, use 200 g each of Rhizobium, phosphobacteria and PGPR with rice gruel, and shade-dry before sowing. Seed treatment protects seedlings from seed-borne pathogens, root rot and seedling diseases.

  Pending expert review

  Source

  Crop Production Guide – Agriculture 2020 (Directorate of Agriculture, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Blackgram – Seed treatment, p. 137

  Region

  Tamil Nadu

  Last updated

  2026-11-04

• Seed treatment with fungicide

  Alternatively, treat the seeds with carbendazim or thiram at 2 g per kg of seed, 24 hours before sowing. Fungicides and bio-control agents are not compatible.

  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)), Blackgram – Seed treatment, p. 137

  Region

  Tamil Nadu

  Last updated

  2026-11-04