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 lines developed under an organic system possessed longer roots with narrow root angle, larger surface area, increased root mass density, and a thinner root diameter with an increased number of metaxylem vessels. In contrast, lines adapted to the conventional system tend to have a shor

SUBMITTER: Siddiqui MN 

PROVIDER: S-EPMC9684413 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature