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The influence of blue light on dark-germinating seeds ofNemophila insignis

✍ Scribed by R. Malcoste; H. Tzanni; R. Jacques; P. Rollin

Book ID
104754424
Publisher
Springer-Verlag
Year
1972
Tongue
English
Weight
554 KB
Volume
103
Category
Article
ISSN
0032-0935

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✦ Synopsis

After inhibition of Nemophila insignis seeds by far-red (FR) light, a short exposure to blue (B1) will not induce germination again but stimulation by red (R), with reversion by FR, can be observed. Germination is inhibited by long exposures to B1 (maxima at 455 and 475 nm). These radiations are absorbed either directly by phytochrome or through intermediary pigments such as flavoproteins.

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Day length, temperature, light quality and hormone treatments given to plants during the ripening of their seeds have been shown to influence the subsequent germination of these seeds. The present work demonstrates that the light conditions, SD, LD or continuous dark, red or far-red light, during st