negative regulation of naphtho-gamma-pyrone biosynthetic process
Known as: down regulation of naphtho-gamma-pyrone biosynthetic process, down-regulation of naphtho-gamma-pyrone biosynthetic process, downregulation of naphtho-gamma-pyrone biosynthetic process
Any process that stops, prevents or reduces the frequency, rate or extent of naphtho-gamma-pyrone biosynthetic process. [GOC:di, GOC:TermGenie]