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Effect of foliar application of phosphorus on aluminium toxicity in tomato plants


, : Effect of foliar application of phosphorus on aluminium toxicity in tomato plants. Revista Brasileira de Fisiologia Vegetal 2(2): 57-61

Tomato plants of the cultivar Rio Grande growing in a nutrient solution without P, received Al at 0, 2, 4 or 6 p.p.m. and then P was applied to the foliage. In another experiment, plants receiving Al at 0, 2, 4 or 6 p.p.m. received P via the nutrient solution. Foliar P application decreased Al toxicity in all cases; these plants had more P in the roots and shoots, and the shoots showed no symptoms of Al toxicity, compared with the latter treatment.

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