COTTON Physiological Interventions Spray PPFM (Pink Pigmented Facultative Methylotroph) @ 200 ml/ac mixed in 200 litres of water on 30, 45, 60, and 90 days after sowing. Spray cotton plus @ 2.5 kg /ac mixed in 200 litres of water twice during flowering and boll formation stage. Nip the terminal portion of the main stem beyond the 15thnode from 75th to 80th days after sowing Updated on Apr 2023