A generic model for individual leaf size in maize, sorghum and pearl millet
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View abstract on PubMed
Summary
This summary is machine-generated.A new leaf area model improves crop growth models (CGM) by predicting individual leaf size for sorghum, maize, and pearl millet. This enhances simulations of crop performance and genotypic interactions for better breeding and management strategies.
Area Of Science
- Agricultural Science
- Plant Physiology
- Computational Biology
Background
- Crop growth models (CGMs) are essential for predicting crop performance under varying conditions.
- Accurate simulation of leaf area dynamics is crucial, especially in early growth stages.
- Current models often use empirical functions for leaf area, limiting simulation of genotypic and environmental interactions.
Purpose Of The Study
- To develop a less empirical approach for modeling leaf area dynamics in crop growth models.
- To create a generic individual leaf size model for sorghum, maize, and pearl millet.
- To improve the simulation of genotypic and genotype × environment interactions.
Main Methods
- Developed a generic model for individual leaf area based on leaf position.
- Utilized data on individual blade length and width from experiments spanning 1990-2022.
- Compiled data from a wide range of sorghum, maize, and pearl millet genotypes.
Main Results
- A generic individual leaf size model was developed and tested for maize, sorghum, and pearl millet.
- The model accurately predicted blade length, width, and leaf area profiles using an expolinear-logistic model.
- Incorporating genotypic-specific parameters further enhanced the model's predictive accuracy.
Conclusions
- Improved parameterization of canopy development in CGMs enhances predictions of Genotype × Environment × Management (G×E×M) interactions.
- This approach supports the identification of breeding targets for increased yield.
- It also aids in developing sustainable crop management strategies.
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Related Concept Videos
In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
Overview
In the 1850s and 1860s, Gregor Mendel investigated inheritance by performing monohybrid crosses in pea plants. He crossed two plants that were true-breeding for different traits. Based on his observations, Mendel proposed that organisms inherit two copies of each trait, one from each parent, and that dominant traits can hide recessive traits. These results formed the basis of two fundamental principles in genetics: the Principle of Uniformity and the Law of Segregation.
Monohybrid...