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September 19, 2025PeerJOpen Access

Salinity tolerance and growth response of redroot pigweed (Amaranthus retroflexus L.): a comprehensive evaluation

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Authors

GMGohar MargaryanASAbhishek SinghVRVishnu D. Rajput

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Overview

This study demonstrates salinity tolerance in Amaranthus retroflexus, showing growth impacts across varying salinity levels.

Key Points

  • Amaranthus retroflexus showed reduced growth at high salinity, revealing its salinity tolerance limits.
  • The study indicated that slight to moderate salinity levels did not significantly affect growth parameters like photosynthesis rate.
  • Growth factors such as water use efficiency and salt tolerance index varied notably across differing salinity treatments.
  • Increased salinity levels adversely impacted the photosynthesis rate and other growth parameters over 30 days.

Cite This Study

Margaryan et al. (2025) studied this question.

synapsesocial.com/papers/68d46fc631b076d99fa699e5https://doi.org/10.7717/peerj.19717
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Salt hyperaccumulation in Amaranthaceae: understanding the physiology behind salinity adaptation in nature2024
  2. 2Effect of Naturally Occurring Soil Salinity on Chlorophyll Content in Amaranthus Viridis L.2025
  3. 3Physiological and Biochemical Responses of Salt-tolerant Cultivated <i>Amaranthus ultra</i> to Salinity Stress2025
  4. 4Competitive ability of drought-tolerant corn hybrids in the presence of redroot pigweed (<i>Amaranthus retroflexus</i>) under optimal and reduced irrigation levels2025
  5. 5Relative Expression of a Salinity Stress‐Responsive Na<sup>+</sup>/H<sup>+</sup> Exchanger (<scp>NHX</scp>) in Root and Leaf Tissues of the African Leafy Vegetable, <i>Amaranthus dubius</i>2024 · 1 citations