Anthracnose of Anthurium andreanum Andre.
1994
Natural M.P. | Balmaceda F. | Estrada M.J.C.M.
The causal fungus of Anthracnose or spadix rot of Anthurium was isolated and studied. Based on morphological and cultural studies and the characteristic symptoms produced on anthuriums, the fungus was identified as Colletotrichum gloeosporioides (Perrz.) Sacc. Symptoms varied from small dots to blackening of the tip of the spadix, thus termed black nose in other countries. The fungus showed varied growth characteristics and conidial production in various media. Widest mycelial colony diameter and maximum conidial production was obtained when C. gloeosporioides was grown on PDA adjusted to pH 5.5 and incubated at room temperature. Corn meal agar, carrot decoction agar and tomato fruit decoction agar also supported the growth of C. gloeosporioides but the number of conidia produced was much less.
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