Abstract

Abstract This study was carried out to investigate the pesticide efficacy and crop safety among differentleafy vegetables applied with foliar spraying under greenhouse and to check extrapolating from some trialdata to other minor crops. Leafy vegetables used in this study were: lettuce (Lactuca sativar), leaf broccoli(Brassica oleracea.), chicory (Cichorium intybus.), chinese cabbage (Brassica campestris subsp. napus var.pekinensis), radish (Raphanus sativus), rape (Brassica napus), crown daisy (Chrysanthemum coronarium),edible burdock (Arctium lappa), endive (Cichorium endivia) and mustard greens (Brassica jumcea). Based onthe result of control efficacy, all crops were classified into the groups. The results showed the probabilities ofextrapolating the control value data of minor crop within the same group. It would be possible to use thepesticides which are already been registered for similar crops to those crops have no registered pesticides.Key words Pesticide, Crop protection product, Minor use, Minor crop, Major crop

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