Abstract

                                A fungicidal trial for the control of coconut wilt was conducted at Thambikottai (Thanjavur district) during the year 1965-69 with the following treatments: Bordeaux mixture, wet ceresan, wettable sulphur, Pentachloro-nitro-benzene, copper oxychloride + BHC and tar. The chemicals were applied at quarterly intervals for a period of three years on healthy and diseased trees to study its curative and Prophylactic action. The data collected over a period of four years has indicated the superiority of Bordeaux mixture both for its curative and prophylactic action while copper oxychloride + BHC and tar were promising for their prophylactic effect Further, Bordeaux mixture had the effect of arresting the bleeding Patches. The treatments did not exert any influence on the yield behaviour.

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