high-density-planting

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The GATA5-GhFBA1_At-KNAT7 module regulates fruit branch angle and high-density yield by controlling cell expansion and cell wall thickness in cotton.

PubMed · 2026-06-08

Scientists discovered a gene in cotton that controls how wide the branches spread outward from the plant. By editing this gene with CRISPR, they created more compact cotton plants that produce higher yields when grown in dense plantings.

A major genetic region (qFBA-A11) controlling fruit branch angle was mapped in cotton, and the responsible gene GhFBA1_At was identified through positional cloning

GhFBA1_At promotes wide branch angles by inhibiting a protein called KNAT7, which reduces cell wall thickness and weakens mechanical support in branch tissue

CRISPR-Cas9 knockout of GhFBA1_At produced compact plant architecture and measurably higher cotton yield under high-density planting conditions

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Cotton

high-density-planting

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