Photoresponses ofMatteuccia struthiopteris(L. ) Todaro

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Abstract
The germination of Malleucciu struthiopteris spores is light dependent. All wavelengths between 400 and 750 nm promote germination, but two major peaks of promotion occur at 550 and 625 nm, and a minor peak of 450nm. A small number of spores germinato whom incubated in the dark with IAA, kinetin, or gibberollie acid, but they do not undergo further development. In red or white light no promotion of germination over the control level is induced by the growth substances, only an inhibition at the higher concentrations.

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