Abstract Chemical control is still a mainstay for some farmers in shallot center areas such as Brebes, Central Java. Applications of fungicides that are carried out these very intensive and periodically every 3-5 days. The application too can certainly have negative impact on functional microbes including biological disease agents. purpose this study was to evaluate the several brands efficacy ...

ABSTRACT Since 1991, dramatic changes have occurred in the genetic composition of populations of Phytophthora infestans in the United States. Clonal lineages recently introduced into the United States (US-7 and US-8) are more common now than the previously dominant lineage (US-1). To help determine why these changes occurred, four clonal lineages of P. in-festans common during the early 1990s i...

La actividad agrícola bananera en la región del Urabá- Antioquia, ocupa el primer lugar país producción y exportación de fruta banano, esta genera importantes ingresos para sostenibilidad, así como progreso subregión; que, a su vez, conllevan problemáticas ambientales significativas. En investigación se analizaron potenciales afectaciones río Carepa, generadas por las actividades bananeras; sie...