Nocturnal transpiration could become an important source of water losses in a climate change scenario for grapevines

Nocturnal transpiration could become an important source of water losses in a climate change scenario for grapevines

Nocturnal transpiration currently corresponds to 15-50% of total water loss compared to diurnal transpiration, depending on the environmental conditions, for grapevines. This phenomenon could be exacerbated in a climate change scenario, which predicts that nocturnal temperatures will increase at a higher rate compared to diurnal temperatures (IPCC 2010). Since nocturnal transpiration is not associated to … Read more

What Grapevines Do when Everybody Is Sleeping?

What Grapevines Do when Everybody Is Sleeping?

New study shows results of night-time water losses for grapevines. By Sigfredo Fuentes What Grapevines Do when Everybody Is Sleeping? Abstract: Night-time water uptake (Sn) mainly corresponds to stem and organ rehydration and transpiration, the latter through stomata and cuticle. Nocturnal transpiration is uncoupled from photosynthesis, therefore it contributes to reduce water use efficiency (WUE). Night-time … Read more