For caterpillars (Spodoptera, Helicoverpa, semilooper and others), Bacillus thuringiensis var. kurstaki at 500–750 g per hectare is listed as a biological option. For yellow mosaic virus (spread by whitefly), rogue out infected plants up to 30 days after sowing.
Pending expert review
Source
Crop Production Guide – Agriculture 2020 (Directorate of Agriculture, Tamil Nadu & Tamil Nadu Agricultural University (TNAU)), Soyabean – Crop protection, p. 177
Region
Tamil Nadu
Last updated
2026-11-04
Chemical pesticides: ask before you spray
The source lists insecticides for caterpillars, girdle beetle, leaf weevil and virus vectors, and fungicides for rust. Many are hazardous, and some may be restricted. Choose a product only with your local Agriculture Officer.
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)), Soyabean – Crop protection, p. 177
