The effect of phosphorus nutrition upon the growth and morphology of young plants of Lolium perenne L
1977
Troughton, A.
Genotypes of Lolium perenne were grown in soil of low phosphorus status, with and without additional phosphorus. Lack of phosphorus resulted in a great reduction in the number of main roots and in an increase in the length of each individual root. The number of tillers was also reduced, but to a lesser extent than the number of main roots. The dry weight of the root and shoot system was reduced to a lesser extent than the numbers of roots and tillers. The effect on root relative to shoot growth varied with the genotype.
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