Wheat Crop under Waterlogging: Potential Soil and Plant Effects

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Abstract

Inundation, excessive precipitation, or inadequate field drainage can cause waterlogging of cultivated land. It is anticipated that climate change will increase the frequency, intensity, and unpredictability of flooding events. This stress affects 10–15 million hectares of wheat every year, resulting in 20–50% yield losses. Since this crop greatly sustains a population’s food demands, providing ca. 20% of the world’s energy and protein diets requirements, it is crucial to understand changes in soil and plant physiology under excess water conditions. Variations in redox potential, pH, nutrient availability, and electrical conductivity of waterlogged soil will be addressed, as well as their impacts in major plant responses, such as root system and plant development. Waterlogging effects at the leaf level will also be addressed, with a particular focus on gas exchanges, photosynthetic pigments, soluble sugars, membrane integrity, lipids, and oxidative stress.

Original languageEnglish
Article number149
Number of pages15
JournalPlants
Volume12
Issue number1
DOIs
Publication statusPublished - 28 Dec 2022

Keywords

  • flooding
  • gas exchanges
  • oxidative stress
  • roots
  • Triticum

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