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Field integration of various fungicides, phytoextracts and essential oils (alone and in combination) as seed treatments and foliar sprays significantly reduced mustard white rust disease caused by Albugo candida (Pers.) Kuntze, over untreated control, along with enhanced seed and straw yields and better ICBR. Based on performance merit, the best treatments were Metalaxyl 35%SD- ST @ 6g/kg + Metalaxyl 4%+ Mancozeb 68%WP- FS @ 0.25%>Metalaxyl 4%+ Mancozeb 68%WP -FS @ 0.25% + Azadirachta indica @ 20%>Metalaxyl 4%+ Mancozeb 68%WP- FS @ 0.25%>Metalaxyl 35% SD- ST @ 6g/kg + Chlorothalonil 75% WP- FS @ 0.15%. Based on ICBR, the most economical treatment found were Metalaxyl 35%SD- ST @ 6g/kg + Metalaxyl 4%+ Mancozeb 68%WP-FS @ 0.25% (ICBR: 3.02), Metalaxyl 35% SD- ST @ 6g/kg + Chlorothalonil 75% WP- FS @ 0.15% (ICBR: 2.71), Metalaxyl 35% SD- ST @ 6g/kg (ICBR: 2.64), Thus, from the present field study, it is inferred that seed treatment of Metalaxyl 35% SD + three foliar sprayings of Metalaxyl 4%+ Mancozeb 68%WP @ 0.25% could be employed to manage effectively and economically the mustard white rust disease. | In vivo efficacy of integrated fungicides and organics against mustard white rust in Konkan region, India
