ArticleAnnals of botany2004
From individual leaf elongation to whole shoot leaf area expansion: a comparison of three Aegilops and two Triticum species.
Article in Annals of botany, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Scaling the leaf length-times-width equation to predict total leaf area of shoots.Annals of botany · 2022Article
- QTL mapping and KASP marker development for seed vigor related traits in common wheat.Frontiers in plant science · 2022Article
- Responses of Rice Growth to Day and Night Temperature and Relative Air Humidity-Leaf Elongation and Assimilation.Plants (Basel, Switzerland) · 2021Article
- Mapping QTLs for enhancing early biomass derived from Aegilops tauschii in synthetic hexaploid wheat.PloS one · 2020Article
- Review
- Correlation analysis of the transcriptome of growing leaves with mature leaf parameters in a maize RIL population.Genome biology · 2015Article
- LEAF-E: a tool to analyze grass leaf growth using function fitting.Plant methods · 2014Article
- Phenotypic plasticity as an index of drought tolerance in three Patagonian steppe grasses.Annals of botany · 2012Article
- Genetic and physiological architecture of early vigor in Aegilops tauschii, the D-genome donor of hexaploid wheat. A quantitative trait loci analysis.Plant physiology · 2005Article
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsRapid leaf area expansion is a desirable trait in the early growth stages of cereal crops grown in low-rainfall areas. In this study, the traits associated with inherent variation in early leaf area expansion rates have been investigated in two wheat species (Triticum aestivum and T. durum) and three of its wild relatives (Aegilops umbellulata, A. caudata and A. tauschii) to find out whether the Aegilops species have a faster leaf area expansion in their early developmental stage than some of the current wheat species.
methodsGrowth of individual leaves, biomass allocation, and gas exchange were measured on hydroponically grown plants for 4 weeks. KEY
resultsLeaf elongation rate (LER) was strongly and positively correlated with leaf width but not with leaf elongation duration (LED). The species with more rapidly elongating leaves showed a faster increase with leaf position in LER, leaf width and leaf area, higher relative leaf area expansion rates, and more biomass allocation to leaf sheaths and less to roots. No differences in leaf appearance rate were found amongst the species.
conclusionsAegilops tauschii was the only wild species with rapid leaf expansion rates similar to those of wheat, and it achieved the highest photosynthetic rates, making it an interesting species for further study.
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