Nature 183, 483 (14 February 1959); doi:10.1038/183483a0

Effect of Boron Supply on the Sugars, Soluble in 80 per cent Ethanol, in Flax Seedlings

T. F. NEALES

Botany School, University of Melbourne, Victoria, Australia. Nov. 21.

FLAX plants (Linum usitatissimum var. Ventnor) were grown in nutrient cultures supplied with increasing concentrations of boron. The methods were such that an addition of 0.001 p.p.m. boron to the basal medium produced a large growth response. After four weeks the plants were harvested and weighed (Fig. 1). The 0 p.p.m. boron plants grew very little throughout the four weeks; both these and the 0.001 p.p.m. boron plants showed typical deficiency symptoms in stems and roots.

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