Mature Citrus Leaves Undergo Coordinated Photosynthetic Downregulation to Support Flush-Driven Carbon and Nitrogen Sink Demand
Syed Bilal Hussain, Qingyan Meng, Sheng‐yang Li, Yu Wang, Christopher Vincent
This study shows mature citrus leaves reduce photosynthesis to supply carbon and nitrogen to new shoots, challenging the source-sink attenuation hypothesis.
bioRxiv · Mar 11, 2026 · PreprintPlant Biology