Guidelines for the use of GYPCHEK [insecticide prepared from larvae killed by the nucleopolyhedrosis virus] to control the gypsy moth [Porthetria dispar].
1979
Lewis F.B. | McManus M.L. | Schneeberger N.F.
书目信息
USDA Forest Service Research Paper NE (USA). no. 441.
语言
英语
注释
ill. AVAILABILITY: NAL, USDA, Beltsville, Md. 20705 - USA
类型
Journal Article; Non Conventional
2012-11-15
AGRIS AP