1
The changes in growth substance composition of buds and scales of Wedgwood iris bulbs during flower formation were determined.
2
The scales contain several thermostable flower forming substances which, in the course of a low temperature treatment, are transported to the bud.
3
The flower forming substances have physiological and chemical properties of gibberellins.
4
Compounds with RF 0.3, 0.45-0.50 and 0.75 in 80% isopropanol successively accumulate in the bud and attain maximum concentrations at successive stages of differentiation of the floral primordium.
5
The significance and possible mode of action of the gibberellins in flower formation is discussed.

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Volume13, Issue2

July 1964

Pages 302-321

ENDOGENOUS GROWTH FACTORS AND FLOWER FORMATION IN WEDGWOOD IRIS BULBS

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ENDOGENOUS GROWTH FACTORS AND FLOWER FORMATION IN WEDGWOOD IRIS BULBS

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