@article{fdi:010086911, title = {{I}s a seasonally reduced growth potential a convergent strategy to survive drought and frost in plants ?}, author = {{V}olaire, {F}. and {B}arkaoui, {K}. and {G}r{\'e}millet, {D}. and {C}harrier, {G}. and {D}angles, {O}livier and {L}amarque, {L}. {J}. and {M}artin-{S}t{P}aul, {N}. and {C}huine, {I}.}, editor = {}, language = {{ENG}}, abstract = {{B}ackground {P}lants have adapted to survive seasonal life-threatening frost and drought. {H}owever, the timing and frequency of such events are impacted by climate change, jeopardizing plant survival. {U}nderstanding better the strategies of survival to dehydration stress is therefore timely and can be enhanced by the cross-fertilization of research between disciplines (ecology, physiology), models (woody, herbaceous species) and types of stress (drought, frost). {S}cope {W}e build upon the 'growth-stress survival' trade-off, which underpins the identification of global plant strategies across environments along a 'fast-slow' economics spectrum. {A}lthough phenological adaptations such as dormancy are crucial to survive stress, plant global strategies along the fast-slow economic spectrum rarely integrate growth variations across seasons. {W}e argue that the growth-stress survival trade-off can be a useful framework to identify convergent plant ecophysiological strategies to survive both frost and drought. {W}e review evidence that reduced physiological activity, embolism resistance and dehydration tolerance of meristematic tissues are interdependent strategies that determine thresholds of mortality among plants under severe frost and drought. {W}e show that complete dormancy, i.e. programmed growth cessation, before stress occurrence, minimizes water flows and maximizes dehydration tolerance during seasonal life-threatening stresses. {W}e propose that incomplete dormancy, i.e. the programmed reduction of growth potential during the harshest seasons, could be an overlooked but major adaptation across plants. {Q}uantifying stress survival in a range of non-dormant versus winter- or summer-dormant plants, should reveal to what extent incomplete to complete dormancy could represent a proxy for dehydration tolerance and stress survival. {C}onclusions {O}ur review of the strategies involved in dehydration stress survival suggests that winter and summer dormancy are insufficiently acknowledged as plant ecological strategies. {I}ncorporating a seasonal fast-slow economics spectrum into global plant strategies improves our understanding of plant resilience to seasonal stress and refines our prevision of plant adaptation to extreme climatic events.}, keywords = {{D}ehydration tolerance ; dormancy ; growth-stress survival trade-off ; embolism resistance ; mortality threshold ; phenology ; fast-slow economics ; spectrum ; seasonality ; strategy ; drought survival ; frost survival}, booktitle = {}, journal = {{A}nnals of {B}otany}, volume = {[{E}arly access]}, numero = {}, pages = {[10 p.]}, ISSN = {0305-7364}, year = {2023}, DOI = {10.1093/aob/mcac153}, URL = {https://www.documentation.ird.fr/hor/fdi:010086911}, }