Dynamic transcriptome analysis unravels key regulatory genes of maize root growth and development in response to potassium deficiency.

ABSTRACT:

Main conclusion

Integrated root phenotypes and transcriptome analysis have revealed key candidate genes responsible for maize root growth and development in potassium deficiency. Potassium (K) is a vital macronutrient for plant growth, but our understanding of its regulatory mechanisms in maize root system architecture (RSA) and K⁺ uptake remains limited. To address this, we conducted hydroponic and field trials at different growth stages. K⁺ deficiency significantly inhibited maize root growth, with metrics like total root length, primary root length, width and maximum root number reduced by 50% to 80% during early seedling stages. In the field, RSA traits exhibited maximum values at the silking stage but continued to decline thereafter. Furthermore, K depriv

SUBMITTER: Guo S 

PROVIDER: S-EPMC10576708 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature