Plants, Volume 11, Issue 21
November-1 2022 - 204 articles
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Cover Story: Certain plant growth-promoting rhizobacteria (PGPR) help plants withstand higher temperatures. While PGPR effects on shoots have been studied, the morphological responses of plant roots, particularly their spatial and temporal dynamics, are still unknown. We present a new non-invasive high-resolution plant phenotyping and imaging platform—GrowScreen-Agar II—that relies on custom-made agar plates. While roots grow in the dark, shoots are open to the environment. Consecutive imaging captures time-resolved root and shoot development. Arabidopsis thaliana, co-cultivated with Paraburkholderia phytofirmans PsJN at elevated and ambient temperatures, showed increased lengths, growth rates, and number of roots, with specific responses based on root type, temperature, and time from inoculation. View this paper 
