Exploration and Effectiveness of <i>Trichoderma</i> sp. from Jember and Trenggalek, East Java, Indonesia Cacao Plantation as A Biological Control of <i>Phytophthora palmivora</i>

Fruit rot disease is very damaging to cacao pods, which caused by Phytoptora palmivora . The attack rate of P. varies. In Java, losses due this reduce yields 90 %. a soil–borne pathogen. It currently included in the Kingdom Chromista. Control with fungicides not successful at time, alternatives biologis control Trichoderma sp. This research used Completely Randomized Design (CRD) was arranged factorial two factors. first factor second All treatment combinations were repeated three times. antagonist test analyzed using Analysis Variance (ANOVA) and then further tested 5 % BNJ. origin from Jember Trenggalek districts, East Indonesia able act as antagonists against highest inhibitory 78 comparison, lowest 70 isolates district, java, Indoe. Characteristics Regency Regency, inhibiting growth has same species, namely harzianum