හවුල් ශ්‍රව්‍ය

National Mapping, Incidence, and Severity Assessment of Pestalotiopsis Leaf Fall Disease in Rubber Plantations in the Philippines EXECUTIVE SUMMARY Pestalotiopsis Leaf Fall Disease (PLFD) has been reported in several rubber-growing areas in the Philippines over the past five years; however, its actual geographic distribution, extent, and severity remain undocumented at the national level. At present, PRRI lacks a comprehensive field-based database on where the disease occurs, how severe it is in