本試驗於3個時期進行3種程度疏果，分析其對桶柑、海梨柑及茂谷柑果實重量、高度、直徑、可溶性固形物、可滴定酸及產量之影響。試驗結果在果實品質方面，三種柑橘皆顯示相同之趨勢，於盛花後16週疏果30％時果實顯著較大且重；而隨疏果時間延後，不同疏果程度間之差異愈小，顯示愈早疏果能增加果實體積及重量，可溶性固形物及可滴定酸則處理間差異不顯著。對產量影響方面，三種柑橘愈晚疏果對產量影響愈大，盛花後24週始進行疏果者，當疏果量30％時顯著降低產量。
Effect of timing and intensity of fruit thinning on fruit weight, height, diameter, total soluble solids, titratable acidity, and yield of tankan (Citrus tankan Hayata), hai-li (C. tankan Hay. cv. Hai-Li) and murcott tangor (C. reticulate Blanco × C. sinensis Osbeck) were studied. Removing 30% of fruit 16 weeks after full bloomed significantly increased fruit size and weight. Late thinning resulted in little effects on fruit size. There were no significantly different among thinning intensities or timing on total soluble solids and titratable acidity. The yield decreased when 30% fruit were thinned 24 weeks after full bloomed in tankan, hai-li and murcott tangor.
