The Hindu Insecticides like Dimethoate 30 EC (0.05 per cent) or Chloropyriphos 20EC (o.05 per cent) or Fipronil 0.3G (75gm/hectare) are recommended. (M.T. Ranjith, Phd scholar and Dr. Mani Chellappan, Associate Professor, Department of Agricultural Entomology, ...
Irish Independent This could include a half to two-thirds rate strobilurin, a half-rate triazole and a full-rate chlorothalonil . While aphid counts have been low, many crops are now showing significant levels in the head. Spraying with 0.8 l of dimethoate when there is ...