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Decoding the Double Stress Puzzle: Investigating Nutrient Uptake Efficiency and Root Architecture in Soybean under Heat- and Water- Stresses
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  • Corentin Maslard,
  • Mustapha ARKOUN,
  • Fanny Leroy,
  • Sylvie Girodet,
  • Christophe Salon,
  • Marion Prudent
Corentin Maslard
Agroecologie
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Mustapha ARKOUN
Groupe Roullier
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Fanny Leroy
Universite de Caen Normandie
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Sylvie Girodet
Agroecologie
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Christophe Salon
Agroecologie
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Marion Prudent
Agroecologie

Corresponding Author:[email protected]

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Abstract

not-yet-known not-yet-known not-yet-known unknown In the context of climate change, associated with increasingly frequent water deficit and heat waves, there is an urgent need to maintain the performance of soybean the most extensively grown legume before it declines. The objective of this study was to explore which plant traits improve soybean resilience to heat and/or water stress, with a focus on traits involved in plant architecture and nutrient uptake. For this purpose, two soybean genotypes, already shown to have contrasted root architecture were grown under controlled conditions in the high-throughput phenotyping platform 4PMI where either optimal condition, heat waves, water stress or both heat waves and water stresses were applied during the vegetative stage. Under stress conditions the two genotypes displayed contrasted architectural features traits such as root width, root angle branching or number of roots. By correlating architectural to functional traits, related to water, carbon allocation and nutrient absorption, we were able to explain the stress susceptibility level of the two genotypes. This cross analysis of plant ecophysiology and architectural traits under different stresses provides new information on the adaptation of soybean and can inform future crop design, particularly under changing climatic conditions.
18 Apr 2024Submitted to Plant, Cell & Environment
18 Apr 2024Review(s) Completed, Editorial Evaluation Pending
01 May 2024Reviewer(s) Assigned
19 Aug 20241st Revision Received
22 Aug 2024Submission Checks Completed
22 Aug 2024Assigned to Editor
22 Aug 2024Review(s) Completed, Editorial Evaluation Pending
23 Aug 2024Reviewer(s) Assigned
08 Sep 2024Editorial Decision: Revise Minor
13 Sep 20242nd Revision Received
16 Sep 2024Submission Checks Completed
16 Sep 2024Assigned to Editor
17 Sep 2024Review(s) Completed, Editorial Evaluation Pending
19 Sep 2024Reviewer(s) Assigned
24 Oct 2024Editorial Decision: Revise Minor
25 Oct 20243rd Revision Received
26 Oct 2024Submission Checks Completed
26 Oct 2024Assigned to Editor
26 Oct 2024Editorial Decision: Accept