Integrated management of Pythium rot cum Ralstonia wilt complex in selected of ginger grown areas of Uttara Kannada and Shimoga district of Karnataka.

Disease survey in selected ginger growing areas of malnad Karnataka revealed seriousness of Pythium rot cum Ralstonia wilt complex in different areas of Sirsi taluk of Uttara Kannada (25–50%)followed by Soraba taluk (0–42%) of Shimoga districts. The variety, Riodijaneira showed high incidence (38–50%) followed by Sirsi local (25–50%) and Himachal (25–30%). In the integrated management trial, two year (2009–10 and 2010–11). Pre-sowing of rhizome with 0.05% streptocycline + 0.2% copper oxy-chloride for 20min. and post sowing soil drench with 0.2% bleaching powder and (T8) 0.1% Metalaxyl MZ thrice at 20 days intervals from disease inception found very effective in reducing the disease to the maximum extent (PDI- 2.79) compared PDI of 51.63% in control. The same treatment showed the highest rhizome yield (172.75q/ha.) compared to 58.75q/ha. in control. In terms of monitory benefit, it fetched higher profit of Rs. 2.85 lakh over control. The treatment recorded low C: B ratio (1:11.72) compare to (1:30.52, The net returns was 3 times more than T1 (Rs. 2,62610=00). T8 stands as the best from the point of not only reducing Pythium rot cum Rlastonia wilt complex, but also in generating high economic return from ginger crop.