Abstract
With global climate change, waterlogging stress is becoming more frequent. Waterlogging stress inhibits root growth and physiological metabolism, which ultimately leads to yield loss in wheat. Waterlogging priming has been proven to effectively enhance waterlogging tolerance in wheat. However, it is not known whether waterlogging priming can improve the offspring's waterlogging resistance. Here, wheat seeds that applied waterlogging priming for one generation, two generations and three generations are separately used to test the hypoxia stress tolerance in wheat, and the physiological mechanisms are evaluated. Results found that progeny of primed plants showed higher plant biomass by enhancing the net photosynthetic rate and antioxidant enzyme activity. Consequently, more sugars are transported to roots, providing a metabolic substrate for anaerobic respiration and producing more ATP to maintain the root growth in the progeny of primed plants compared with non-primed plants. Furthermore, primed plants' offspring promote ethylene biosynthesis and further induce the formation of a higher rate of aerenchyma in roots. This study provides a theoretical basis for improving the waterlogging tolerance of wheat.
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Claims 4
Claim · model-written summary
Primed progeny had higher biomass than non-primed plants.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- primed plantse0
- Outcome
- plant biomasse0
- Direction
- highere0
- Comparator
- non-primed plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“progeny of primed plants showed higher plant biomass by enhancing the net photosynthetic rate and antioxidant enzyme activity”
t0“Wheat”
e1“compared with non-primed plants”
Claim · model-written summary
Primed progeny showed enhanced net photosynthetic rate and antioxidant enzyme activity.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- primed plantse0
- Outcome
- net photosynthetic rate and antioxidant enzyme activitye0
- Direction
- enhancinge0
- Comparator
- non-primed plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“progeny of primed plants showed higher plant biomass by enhancing the net photosynthetic rate and antioxidant enzyme activity”
t0“Wheat”
e1“compared with non-primed plants”
Claim · model-written summary
Primed progeny transported more sugars to roots and produced more ATP for root growth.
- Taxon
- WheatTriticum aestivumt0
- Organ / stage
- rootse0
- Outcome
- more ATPe0
- Qualifier
- providing a metabolic substrate for anaerobic respiratione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“more sugars are transported to roots, providing a metabolic substrate for anaerobic respiration and producing more ATP to maintain the root growth in the progeny of primed plants compared with non-primed plants”
t0“Wheat”
Claim · model-written summary
Offspring of primed plants promoted ethylene biosynthesis and had a higher rate of root aerenchyma formation.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- primed plants' offspringe0
- Outcome
- formation of a higher rate of aerenchyma in rootse0
- Direction
- highere0
- Comparator
- non-primed plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“primed plants' offspring promote ethylene biosynthesis and further induce the formation of a higher rate of aerenchyma in roots”
t0“Wheat”
e1“compared with non-primed plants”
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