Effectiveness of seed treatment with seven plant extracts against phytophthora stem blight (PSB) on pigeon pea, variety UPAS-120 was studied in the present investigation. PSB incidence was recorded at 30 and 45 DAS (days after sowing). Seed treatment with neem oil, onion extract and turmeric extract were found most effective. Finally, at later infection stage (45 DAS), neem soap treatment was found most effective in controlling pathogen followed by onion extract and garlic extract
