COMPARATIVE GROWTH OF 2 PEACH SEEDLING ROOTSTOCKS UNDER ALKALINE SOIL-CONDITIONS
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An almond X peach seed line, Titan X Nemaguard (T X NG), which is tolerant to lime-induced chlorosis, was compared to a susceptible seedling rootstock, Nemared, under alkaline conditions. The tolerant rootstock's growth was not affected by Fe stress, whereas the susceptible rootstock showed chlorosis which corresponded to approximately a 20% chlorophyll loss in the new foliage during the 18-week stress period, a 62% decrease in shoot dry weight and a 22% decrease in plant height. Copyright 1988 by Marcel Dekker, Inc.