... onPhytophthoradiseases such as quick and lowdeath of black pepper, quick death of durian,bud root of pineapple, wilt death of litchi,downy mildew of tomato and potato, stemcanker of citrus, ... the study on quick death of black pepper, quick death of duriantrees, tip rot of pineapple, yellow wilt of litchi, downy mildew of tomato, stem canker of citrus and black strip of rubber. These ... from infested parts of plants,specially infested roots and soil. Using trapbait to determine the samples containedPhytophthora and those trap bait will beisolated in media (Table 1).The...