ArticlePloS one2019
Development of a model estimating root length density from root impacts on a soil profile in pearl millet (Pennisetum glaucum (L.) R. Br). Application to measure root system response to water stress in field conditions.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 2 of them syntheses that pooled it.
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Who cites it
7 citing papers in PubMed, 2 syntheses or guidelines pooled it, 38 citations in OpenAlex.
- Pearl millet response to drought: A review.Frontiers in plant science · 2023Pooled it
- Responses of root system architecture to water stress at multiple levels: A meta-analysis of trials under controlled conditions.Frontiers in plant science · 2022Pooled it
- Automatic segmentation of cotton roots in high-resolution minirhizotron images based on improved OCRNet.Frontiers in plant science · 2023Article
- Genetic Improvement of Wheat for Drought Tolerance: Progress, Challenges and Opportunities.Plants (Basel, Switzerland) · 2022Review
- RACINE2.2: A Software Application for Processing and Mapping Spatial Distribution of Root Length Density and Potential Root Extraction Ratio from Root Counts on Trench Profiles.Methods in molecular biology (Clifton, N.J.) · 2022Article
- Proline-Mediated Drought Tolerance in the Barley (Plants (Basel, Switzerland) · 2021Article
- A Deep Learning-Based Phenotypic Analysis of Rice Root Distribution from Field Images.Plant phenomics (Washington, D.C.) · 2020Article
Corrections and comments
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Authors and funding
12 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pearl millet is able to withstand dry and hot conditions and plays an important role for food security in arid and semi-arid areas of Africa and India. However, low soil fertility and drought constrain pearl millet yield. One target to address these constraints through agricultural practices or breeding is root system architecture. In this study, in order to easily phenotype the root system in field conditions, we developed a model to predict root length density (RLD) of pearl millet plants from root intersection densities (RID) counted on a trench profile in field conditions. We identified root orientation as an important parameter to improve the relationship between RID and RLD. Root orientation was notably found to depend on soil depth and to differ between thick roots (more anisotropic with depth) and fine roots (isotropic at all depths). We used our model to study pearl millet root system response to drought and showed that pearl millet reorients its root growth toward deeper soil layers that retain more water in these conditions. Overall, this model opens ways for the characterization of the impact of environmental factors and management practices on pearl millet root system development.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.