TY - BOOK AU - Bernal,Grace A. TI - Pestalotiopsis leaf spot: a first record of infectious disease on sago (metroxylon sagu Rottb.) PY - 2003/// KW - Undergraduate Thesis KW - BIO200, KW - BSB N1 - Thesis (BS Biology) -- University of the Philippines Mindanao, 2003 N2 - Survey of sago stands in Bunawan, Agusan del Sur revealed occurrence of an infectious leaf spot disease caused by a fungus. Isolation to pure culture, morphological examination, and pathogenicity test revealed the casual organism to be Pestalotiopsis sp. (Fungi Imperfecti: Melanconiales). Under laboratory conditions and in in vitro culture, the pathogen sporulated best with continuous illumination and when incubated under an ambient temperature of 25oC, and at pH6.0 ER -