TY - JOUR T1 - Individual and Combined Effects of Pratylenchus Vulnus and Xiphinema Index on Potassium and Zinc Levels in Vitis Vinifera `Thompson Seedless' JF - American Journal of Enology and Viticulture JO - Am J Enol Vitic. SP - 186 LP - 189 DO - 10.5344/ajev.1976.27.4.186 VL - 27 IS - 4 AU - J. B. Pinochet AU - J. A. Cook Y1 - 1976/01/01 UR - http://www.ajevonline.org/content/27/4/186.abstract N2 - Inoculation of the grape cultivar Thompson Seedless with populations of Pratylenchus vulnus and Xiphinema index alone and in combination resulted in reduced potassium uptake, which was measured in both leaf blades and petioles of plants in a greenhouse test. Zinc uptake was also reduced in the petioles but not in the blades. Differences in the potassium and zinc levels in tissues between inoculated and control plants increased as time elapsed from 135 to 362 days after nematode inoculation. ER -