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Abstract: The wild relatives of modern wheat represent an underutilized source of genetic and phenotypic diversity and are of interest in breeding owing to their wide adaptation to diverse environments. Leaf photosynthetic traits underpin the rate of production of biomass and yield and have not been systematically explored in the wheat relatives. This paper identifies and quantifies the phenotypic variation in photosynthetic, stomatal, and morphological traits in up to 88 wheat wild relative accessions across five gener… Show more

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Cited by 18 publications
(27 citation statements)
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References 100 publications
(27 reference statements)
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“…rufipogon or O . nivara accessions (Figure 9 ), which resulted in higher iWUE and greater water conservation when the plant re‐entered low‐light conditions (Figure 4 )—similar to what has been shown previously in wheat (McAusland et al, 2020 ). Accessions with a slower stomatal closure response saw tradeoffs with intrinsic water‐use efficiency (Figure 4 ), which can result in lower drought resistance (Qu et al, 2016 ; McAusland et al, 2020 ).…”
Section: Discussionsupporting
confidence: 85%
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“…rufipogon or O . nivara accessions (Figure 9 ), which resulted in higher iWUE and greater water conservation when the plant re‐entered low‐light conditions (Figure 4 )—similar to what has been shown previously in wheat (McAusland et al, 2020 ). Accessions with a slower stomatal closure response saw tradeoffs with intrinsic water‐use efficiency (Figure 4 ), which can result in lower drought resistance (Qu et al, 2016 ; McAusland et al, 2020 ).…”
Section: Discussionsupporting
confidence: 85%
“…The coordination between A and g s can decrease in response to changes in light intensity, resulting in greater water loss through transpiration (McAusland et al, 2016 ; Qu et al, 2016 ; McAusland et al, 2020 ). In rice, A and g s are strongly coupled during induction (McAusland et al, 2016 ; Zhang et al, 2019 ), but can become less coordinated during the transition from high‐to‐low light (McAusland et al, 2016 ).…”
Section: Discussionmentioning
confidence: 99%
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“…McAusland et al [69] report significant differences in photosynthetic rates and potential in wild relatives of modern wheat and suggested that this represents an underutilized source of genetic and phenotypic diversity, while the same is also true for landraces and older elite varieties [38,67] that have yet to be evaluated. The greater QE observed in Dea and Hatif (Figure 5) suggests a greater efficiency in use of absorbed light in CO 2 fixation, as well as enhanced carboxylation capacity of Rubisco.…”
Section: Discussionmentioning
confidence: 99%