Abstract

A pod rot disease caused by Phytophthora is one of serious treat on cacao farming system. This infection was reduced annual bean production remarkably (up to 30%). So far, there are seven species of this fungi were identified from the cacao farm over the world. However, we still lack of information on phytophthora properties from Sulawesi farm, which supplied more than 60% Indonesian cacao bean production annually. Here we report our result on isolation, identification, and characterization of these fungi from Sigi-Biromaru area (one of main farming area in Central Sulawesi). We showed that P. nicotianae could isolate from local infected pot. Bioassay on it infection rate was shown depend on the recictency of cacao clones/cultivars. This data suggesting that various species of Phytophthora exist in Sulawesi cacao farm, and its pathogenity was depend on the susceptibility of its clone of cacao.

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