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Management of Aonla Rust Incited by Ravenalia emblicae Var. fructicolae Syd
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Indian gooseberry (Emblica officinalis Gaertn) commonly known as aonla is one of the important fruit crop in arid and semi arid growing regions. To see the effect of different bioagents alone and alongwith effective fungicide against aonla rust, a field experiment was conducted. Pooled data revealed that chlorothalonil (0.2 %) reduced the maximum disease intensity significantly in comparison to control and other treatments. Minimum disease severity (5.80%) was obtained in chlorothalonil (0.2 %) followed by 1% Trichoderma viride +0.1% chlorothalonil (8.82 PDI). Maximum per cent disease control (71.80) was obtained in chlorothalonil (0.2 %) followed by 1% Trichoderma viride + 0.1% chlorothalonil (57.12) and also increased fruit yield significantly in comparison to other treatments. Maximum B: C ratio was obtained with chlorothalonil 0.2% (1:1.38) followed by 1% Trichoderma viride + 0.1% chlorothalonil (1: 1.29).
Keywords
Emblica Officinalis, Ravenalia Emblicae, Trichoderma Viride, Pseudomonas Fluorescens, Chlorothalonil, Aonla Rust
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