Flowchart of the study design. An acorn is separated from its cupule and pericarp, and then artificially deprived of varying amounts of nutrient reserves. (IMAGE)

Chinese Academy of Sciences Headquarters

Flowchart of the study design. An acorn is separated from its cupule and pericarp, and then artificially deprived of varying amounts of nutrient reserves.

Caption

Flowchart of the study design: An acorn is separated from its cupule and pericarp, and then artificially deprived of varying amounts of nutrient reserves. The embryo and its remaining seed reserve are planted, and seed germination and seedling growth are monitored. Organs of the seedling are weighed or burned for measuring biomass allocation.

Credit

Image by CHEN Sichong

Usage Restrictions

Image usage restrictions: News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only.

License

Original content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.