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\begin{document}

\title{Digital phenotyping of Wheat (\emph{Triticum aestivum} L.) canopy
architectural and stomatal traits for drought and heat tolerance}



\author[1]{Kalhari Manawasinghe}%
\author[1]{Karen Tanino}%
\affil[1]{University of Saskatchewan}%


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  \date{May 27, 2024}


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\begin{abstract}
Wheat (\emph{Triticum aestivum} L.) is one of the key staple crops
worldwide. Even though future demand for wheat is estimated to increase
by 6\% by 2050, wheat production might drop by 30\% due to climate
change. The purpose of this research is to identify canopy architecture
(light capture) and anatomical (stomatal) traits that significantly
increase radiation use efficiency (RUE; dry weight biomass produced per
unit radiation intercepted) and improve yield under high temperature and
drought stress conditions due to the growing concern over food security.
This research was conducted with five contrasting wheat genotypes in a
new field-based high tunnel system with 4 treatments and three
replications (control, heat stress, drought stress and heat x drought
stress with 3 replications = 12 tunnels) in a randomized completed block
design with stress applied at the heading stage. Canopy architecture was
graded according to the visual scoring scale concerning UPOV and RUE was
calculated in three growth stages. New techniques of high throughput
imaging of stomatal number and size using a handheld digital microscope
will also be presented.%
\end{abstract}%



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