Impact of end-of-day red and far-red light on plant morphology and hormone physiology of poinsettia

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F14%3A33152681" target="_blank" >RIV/61989592:15310/14:33152681 - isvavai.cz</a>
Alternative codes found
RIV/61389030:_____/14:00432724
Result on the web
<a href="http://www.sciencedirect.com/science/article/pii/S0304423814002672" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0304423814002672</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.scienta.2014.05.013" target="_blank" >10.1016/j.scienta.2014.05.013</a>

Result language
angličtina
Original language name
Impact of end-of-day red and far-red light on plant morphology and hormone physiology of poinsettia
Original language description
Control of morphology is essential in greenhouse production of poinsettia, which is among the largest and economically most important ornamental pot plant cultures worldwide. Plant growth regulators are used to reduce shoot elongation but due to their potentially negative impacts on human health and the environment, it is highly desirable to replace these. Exploiting responses to light quality as an alternative has been investigated to a limited extent only in poinsettia and information about elongation-controlling hormones is scarce. In natural light an increased far-red (FR) proportion at the end of the day (EOD) is known to enhance shoot elongation in several species through action of phytochrome on hormone metabolism. The aim of this study was to assess the effect of manipulation of the phytochrome system at the EOD on elongation growth and hormone metabolism in poinsettia. Depending on cultivar, shoot elongation and internode lengths were reduced 34-54% by exposure to 30 min EOD-R
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
ED - Physiology
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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