Cultivation of sweet sorghum for the production of bioenergy is an attractive option to
cope with the challenges of climate change and variability. In fact, on one hand it represents
an interesting strategy of mitigation and, on the other, the use of drought
resistant species could be considered as an opportunity of adaptation to the change of
precipitation patterns. Anyway, when considering the production of agricultural feed
stocks, particular attention should be addressed to the environmental sustainability of
field production in order to avoid trade-offs in relation to food production, land use and
pressure on the water resources. In this context, the cultivation of drought-tolerant
energy crops as sweet sorghum (Sorghum vulgare (L.) var. Saccharatum) could be an
interesting option. On the bases of these considerations, the current study had the aims
i) to monitor the sweet sorghum growth and productive responses to different water
treatments, in order to assess the extent of tolerance to constant water stress and ii) to
assess the potential for first and second-generation bioethanol production obtainable
from soluble sugars and residual biomass at two different development stages, flowering
and physiological maturity.
Cultivation of sweet sorghum for the production of bioenergy is an attractive option to
cope with the challenges of climate change and variability. In fact, on one hand it represents
an interesting strategy of mitigation and, on the other, the use of drought
resistant species could be considered as an opportunity of adaptation to the change of
precipitation patterns. Anyway, when considering the production of agricultural feed
stocks, particular attention should be addressed to the environmental sustainability of
field production in order to avoid trade-offs in relation to food production, land use and
pressure on the water resources. In this context, the cultivation of drought-tolerant
energy crops as sweet sorghum (Sorghum vulgare (L.) var. Saccharatum) could be an
interesting option. On the bases of these considerations, the current study had the aims
i) to monitor the sweet sorghum growth and productive responses to different water
treatments, in order to assess the extent of tolerance to constant water stress and ii) to
assess the potential for first and second-generation bioethanol production obtainable
from soluble sugars and residual biomass at two different development stages, flowering
and physiological maturity.
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