Implications of High Temperature and Elevated CO2 on Flowering Time in Plants

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Show simple item record Jagadish, Krishna S.V. Bahuguna, R. N. Djanaguiraman, M. Gamuyao, R. Vara Prasad, P.V. Craufurd, P. Q. 2017-02-14T22:44:18Z 2017-02-14T22:44:18Z
dc.description Citation: Jagadish, S. V. K., Bahuguna, R. N., Djanaguiraman, M., Gamuyao, R., Prasad, P. V. V., & Craufurd, P. Q. (2016). Implications of High Temperature and Elevated CO2 on Flowering Time in Plants. Frontiers in Plant Science, 7, 11. doi:10.3389/fpls.2016.00913
dc.description.abstract Flowering is a crucial determinant for plant reproductive success and seed-set. Increasing temperature and elevated carbon-dioxide (e[CO2]) are key climate change factors that could affect plant fitness and flowering related events. Addressing the effect of these environmental factors on flowering events such as time of day of anthesis (TOA) and flowering time (duration from germination till flowering) is critical to understand the adaptation of plants/crops to changing climate and is the major aim of this review. Increasing ambient temperature is the major climatic factor that advances flowering time in crops and other plants, with a modest effect of e[CO2] Integrated environmental stimuli such as photoperiod, temperature and e[CO2] regulating flowering time is discussed. The critical role of plant tissue temperature influencing TOA is highlighted and crop models need to substitute ambient air temperature with canopy or floral tissue temperature to improve predictions. A complex signaling network of flowering regulation with change in ambient temperature involving different transcription factors (PIF4, PIF5), flowering suppressors (HvODDSOC2, SVP, FLC) and autonomous pathway (FGA, FVE) genes, mainly from Arabidopsis, provides a promising avenue to improve our understanding of the dynamics of flowering time under changing climate. Elevated CO2 mediated changes in tissue sugar status and a direct [CO2]-driven regulatory pathway involving a key flowering gene, MOTHER OF FT AND TFL1 (MET), are emerging evidence for the role of e[CO2] in flowering time regulation.
dc.rights Attribution 4.0 International (CC BY 4.0)
dc.subject Climate Change
dc.subject Flowering Time
dc.subject Flowering Regulation
dc.subject High Temperature
dc.subject Elevated Co2
dc.subject Tissue Temperature
dc.title Implications of High Temperature and Elevated CO2 on Flowering Time in Plants
dc.type Article 2016
dc.citation.doi 10.3389/fpls.2016.00913
dc.citation.issn 1664-462X
dc.citation.jtitle Frontiers in Plant Science
dc.citation.spage 11
dc.citation.volume 7
dc.contributor.authoreid kjagadish
dc.contributor.authoreid vara
dc.contributor.kstate Jagadish, Krishna S.V.
dc.contributor.kstate Vara Prasad, P.V.

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