ArticleScientific reports2018
Ovary abortion is prevalent in diverse maize inbred lines and is under genetic control.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Photosynthetic capacity and assimilate transport of the lower canopy influence maize yield under high planting density.Plant physiology · 2024Article
- Pre-silking water deficit in maize induced kernel loss through impaired silk growth and ovary carbohydrate dynamics.Plant-environment interactions (Hoboken, N.J.) · 2024Article
- Heat Stress After Pollination Reduces Kernel Number in Maize by Insufficient Assimilates.Frontiers in genetics · 2021Article
- Combating Dual Challenges in Maize Under High Planting Density: Stem Lodging and Kernel Abortion.Frontiers in plant science · 2021Review
- Genetic Screens to Target Embryo and Endosperm Pathways in Arabidopsis and Maize.Methods in molecular biology (Clifton, N.J.) · 2020Article
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Authors and funding
8 authors.
Funding
Abstract
Crop improvement programs focus on characteristics that are important for plant productivity. Typically genes underlying these traits are identified and stacked to create improved cultivars. Hence, identification of valuable traits for plant productivity is critical for plant improvement. Here we describe an important characteristic for maize productivity. Despite the fact mature maize ears are typically covered with kernels, we find that only a fraction of ovaries give rise to mature kernels. Non-developed ovaries degenerate while neighboring fertilized ovaries produce kernels that fill the ear. Abortion occurs throughout the ear, not just at the tip. We show that the fraction of aborted ovaries/kernels is genetically controlled and varies widely among maize lines, and low abortion genotypes are rare. Reducing or eliminating ovary abortion could substantially increase yield, making this characteristic a new target for selection in maize improvement programs.
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