Studies in the nutrition of apple rootstocks. V. The development of magnesium deficiency symptoms in relation to magnesium supply

Ford, E.M.

Ann. Bot., Lond 32: 45-56


Accession: 014685622

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One-year-old rooted shoots of M.VII apple rootstocks growing in pots of washed sand received either < 3 p.p.m. Mg (Mgo) or a high level of 135 p.p.m. Mg (Mg3) in the nutrient solution. During the season reciprocal changes in treatment were made. The development of necrosis, typical of Mg deficiency, could thereby be studied in relation to age and previous history of the leaf and to Mg nutrition and uptake.