The quest for optimal plant architecture

Review Plant Sciences

Advances in optical phenotyping of cereal crops

Dawei Sun et al.

Summary: Optical sensors and sensing-based phenotyping techniques are widely used in crop breeding to improve trait selection and genetic gains. This article reviews the recent progress and applications of optical sensing-based phenotyping in cereal crops, focusing on the principles and specifications of optical sensing. The phenotypic traits determined by optical sensing are categorized into four groups, and appropriate sensors are suggested for each category. The challenges and possible solutions of optical sensing-based phenotyping are discussed, and the need for further exploration of this technology and establishing standardization and collaboration in phenotyping research is proposed.

TRENDS IN PLANT SCIENCE (2022)

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Article Multidisciplinary Sciences

TaCol-B5 modifies spike architecture and enhances grain yield in wheat

Xiaoyu Zhang et al.

Summary: This study reports the influence of spike architecture on grain yield in wheat and successfully cloned the gene TaCOL-B5 that determines the number of spikelet nodes per spike in common wheat. The overexpression of TaCol-B5 increases the spikelet nodes, tillers, and spikes, thereby enhancing grain yield. The allelic variation in TaCOL-B5 affects protein phosphorylation by TaK4.

SCIENCE (2022)

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Article Plant Sciences

Overcoming the trade-off between grain weight and number in wheat by the ectopic expression of expansin in developing seeds leads to increased yield potential

Daniel F. Calderini et al.

Summary: By targeted overexpression of an alpha-expansin in early developing wheat seeds, grain size can be significantly increased without a negative effect on grain number, resulting in a yield boost under field conditions.

NEW PHYTOLOGIST (2021)

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Article Plant Sciences

Enhancing grain-yield-related traits by CRISPR-Cas9 promoter editing of maize CLE genes

Lei Liu et al.

Summary: By using CRISPR-Cas9 genome editing, weak promoter alleles of CLE genes and a null allele of a partially redundant compensating CLE gene were engineered in maize to increase multiple maize grain-yield-related traits, demonstrating the potential of genomic editing in crop improvement.

NATURE PLANTS (2021)

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Review Plant Sciences