RT Journal Article SR Electronic T1 A Comparison of Normal Girdles and Knife-Line Girdles on Thompson Seedless and Cardinal Grapes JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 206 OP 207 DO 10.5344/ajev.1981.32.3.206 VO 32 IS 3 A1 Fred Jensen A1 Harry Andris A1 Robert Beede YR 1981 UL http://www.ajevonline.org/content/32/3/206.abstract AB In two of five trials, knife-line girdles were significantly less effective than normal 4.8-mm wide girdles; in the remaining trials differences were not significant. Knife-line girdles were generally intermediate in their response between no girdle and a normal 4.8-mm wide girdle.