Toxicity of some fungicides against the greenhouse whitefly ( Trialeurodes vaporariorum Wets.) and its parasite Encarsia formosa Gah.): I. Toxicity of zineb (Perocin 75-B)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith