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. 1961 Jul 7;134(3471):56-7.
doi: 10.1126/science.134.3471.56.

Diageotropism in Vanilla Roots

J E Irvine, R H Freyre

Diageotropism in Vanilla Roots

J E Irvine et al. Science. .

Abstract

Diageotropic growth in the dark and geotropic growth in the light occurred in the roots of cuttings of three Vanilla species. The diageotropic response also occurred in far-red, red, orange, and green light, while positive geotropism resulted only if blue light was present.

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