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Description Two hypothesis, explaining the light - induced phytochrome conversions (PR - red form, PIR - far red from). The left, more advanced hypothesis summarises the scientific article Britz SJ, Galston AW.. Physiology of Movements in the Stems of Seedling Pisum sativum L. cv Alaska : III. Phototropism in Relation to Gravitropism, Nutation, and Growth, Plant Physiol. 1983 Feb;71(2):313-318. The right hypothesis is much older and was first proposed in Walker TS, Bailey JL. Two spectrally different forms of the phytochrome chromophore extracted from etiolated oat seedlings. Biochem J. 1968 Apr;107(4):603–605. The uploaded figure was manually drawn by me, Audrius Meskauskas, summarising scientific material from these two articles, during the time of preparation of my doctoral thesis. I have a PhD in plant physiology.
Date Audriusa 17:48, 14 May 2008 (UTC)
Source Own work
Author Audriusa
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Date/TimeThumbnailDimensionsUserComment
current17:51, 14 May 2008Thumbnail for version as of 17:51, 14 May 2008505 × 472 (15 KB)Audriusa{{Information |Description=Two hypothesis, explaining the light - induced phytochrome conversions (PR - red form, PIR - far red from). The left, more advanced hypothesis summarises the scientific article ''Britz SJ, Galston AW.. Physiology of Movements in
17:48, 14 May 2008Thumbnail for version as of 17:48, 14 May 2008506 × 490 (18 KB)Audriusa{{Information |Description=Two hypothesis, explaining the light - induced phytochrome conversions (PR - red form, PIR - far red from). The left, more advanced hypothesis summarises the scientific article ''Britz SJ, Galston AW.. Physiology of Movements in

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