Heat stress in wheat crop. Physiological, biochemical and agronomic implications
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Abstract
affect phenology, physiology, metabolism, and in some cases
modify genetic expression, causing variations on agronomic
and industrial yield in crops such as wheat. Although not
all species and varieties show similar responses to heat
stress, monitoring the response of the available germplasm
through physiological, biochemical and molecular indicators
will allow to identify possible progenitors for genetic
improvement, and to recommend tolerant genotypes to
regionalize varieties. Given the imminence of climate
change that includes significant increases of temperature
in several regions where wheat is grown, it is necessary to
assess its effects. An important step in this direction is to
know the actual state of current research related to the heat
stress response. In the present article some heat stress effects
on wheat are described due to its importance for human
and animal food, and its contributions to the international
economy.
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