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This study was carried out to investigate the pesticide residue pattern among different leafyvegetables applied with foliar spraying under greenhouse and to check extrapolating from some residue trialdata to other minor crops. Leafy vegetables used in this study were: Mustard greens (Brassica juncea L.),Kale (Brassica oleracea L.), Dacheongchae (a kind of pak-choi (Brassica rapa subsp. chinensis L.)), Leafbroccoli (Brassica oleracea var alboglabra), Perilla leaf (Perilla frutescens (L.) Britton var. Frutescens), Leaflettuce (Lactuca sativa L.), Swiss chard (Beta vulgaris L. subsp. vulgaris) and Red leaf chicory (Cichoriumintybus L. var. foliosum Hegi). These are cultivated all year under indoor or outdoor and cut the leaf fromplant continuously during harvest time. The amounts of pesticide deposit in/on the continuous harvestingleafy vegetables were affected by the ratios of leaf area to weight. Ratio of perilla leaf was the largest amongcrops as 58 cm 2 /g. The residue levels of 7 pesticides in/on perilla leaf were the highest than those of othercrops through the statistical analysis from zero day to fifth day after last application. The representative cropin 8 crops was perilla leaf selected based on the amounts of daily consumption and the high residues. This studysuggest that the continuous harvesting leafy greens should be separated from the one time harvesting leafyvegetables for the pesticide recommendations because of different harvesting habits and pre-harvest intervals.Key words Extrapolation, Perilla leaf, Leafy vegetables, Pesticide residue, Continuous harvesting

The Extrapolations to Reduce the Need for Pesticide Residues Trials on Continuous Harvesting Leafy Vegetables