2022
DOI: 10.1038/s41598-022-23298-3
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Natural selection under conventional and organic cropping systems affect root architecture in spring barley

Abstract: A beneficial root system is crucial for efficient nutrient uptake and stress tolerance. Therefore, evaluating the root system variation for breeding crop plants towards stress adaptation is critically important. Here, we phenotyped root architectural traits of naturally adapted populations from organic and conventional cropping systems under hydroponic and field trails. Long-term natural selection under these two cropping systems resulted in a microevolution of root morphological and anatomical traits. Barley … Show more

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Cited by 6 publications
(4 citation statements)
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“…These root traits could be categorized together as “root growth” traits and maybe controlled by conserved genomic regions. Positive significant associations were observed between most of the root traits, including root area, RV, and root length (Reddy et al., 2020; Siddiqui et al., 2022), which may lead to multi‐trait affecting genetic association. Pleiotropic loci for grain yield components were also identified under drought stress in winter wheat in previous studies (Koua et al., 2022).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…These root traits could be categorized together as “root growth” traits and maybe controlled by conserved genomic regions. Positive significant associations were observed between most of the root traits, including root area, RV, and root length (Reddy et al., 2020; Siddiqui et al., 2022), which may lead to multi‐trait affecting genetic association. Pleiotropic loci for grain yield components were also identified under drought stress in winter wheat in previous studies (Koua et al., 2022).…”
Section: Discussionmentioning
confidence: 99%
“…Customizing RSA by classical breeding approaches necessitates thorough investigation and understanding of roots, which are highly complex plant components and usually hidden below ground (Siddiqui et al., 2022). More importantly, RSA is a complex phenomenon, influenced by multiple intrinsic and extrinsic factors and regulated by multiple genetic components (Lynch & Brown, 2012).…”
Section: Introductionmentioning
confidence: 99%
“…The wheat root system was phenotyped by the “Shovelomics” protocol, i.e. digging out the upper part of the wheat root and determining the root architectural traits [ 23 , 57 , 58 ]. The root systems from three individual plants per plot were excavated at BBCH65 using a shovel to maintain a distinct depth of 27 cm (distance from the cutting edge to the shoulder of a shovel) at a distance of ~ 0.2 m away from the plant base to avoid root destruction from both the control and drought-stressed plants [ 21 ].…”
Section: Methodsmentioning
confidence: 99%
“…The clean and fresh roots were preserved with 50% alcohol in a plastic pot. Then, the preserved roots were scanned using an Epson scanner (Perfection LA24000) with a resolution of 600 dots per inch and root images were analyzed using the WinRhizo software (Regent Instruments Inc., Quebec, Canada) to record the root architectural traits [ 17 , 57 ].…”
Section: Methodsmentioning
confidence: 99%