Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Light Acquisition

Light Acquisition

In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.

Adaptations that Reduce Water Loss

Adaptations that Reduce Water Loss

Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.

Primary and Secondary Growth in Roots and Shoots

Primary and Secondary Growth in Roots and Shoots

Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.

Methods of Medium Optimization

Methods of Medium Optimization

Optimizing growth media enhances microbial proliferation and maximizes product yield. Statistical experimental design methodologies provide structured and reproducible approaches, offering progressively higher levels of robustness and efficiency.The One-Factor-at-a-Time (OFAT) MethodThe One-Factor-at-a-Time (OFAT) method involves adjusting a single variable while keeping all others constant. However, it cannot detect interactions between variables, often leading to suboptimal outcomes when...

Regulation of Transpiration by Stomata

Regulation of Transpiration by Stomata

During photosynthesis, plants acquire the necessary carbon dioxide and release the produced oxygen back into the atmosphere. Openings in the epidermis of plant leaves is the site of this exchange of gasses. A single opening is called a stoma—derived from the Greek word for “mouth.” Stomata open and close in response to a variety of environmental cues.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

cAMP-Activated EPAC Signaling Is an Integral Component of Cardiac Pacemaker Cell Automaticity.

Circulation. Arrhythmia and electrophysiology·2026

Same author

Functional screening of TCR-like antibodies using STAR-T cell library for cancer immunotherapy.

EMBO molecular medicine·2026

Same author

Multi-omics analysis reveals flavor biosynthesis in Camellia seed oil: phenylpropanoid pathway activation and antioxidant modulation of lipoxygenase (LOX).

Food chemistry: X·2026

Same author

Inflammatory Cytokines as Potential Inducements of Early Gastric Mucosal Lesions in <i>Helicobacter pylori</i>-Infected Patients.

Gastroenterology research and practice·2026

Same author

A new Fight-or-Flight Pacemaker Mechanism via Ryanodine Receptor abundance and superclustering.

PLoS computational biology·2026

Same author

Concurrent therapy-related acute myeloid leukemia and lymph node tuberculosis following treatment for lung squamous cell carcinoma: a case report and literature review.

Frontiers in oncology·2026

Search research articles

Related Experiment Video

Updated: Jun 19, 2026

LeafJ: An ImageJ Plugin for Semi-automated Leaf Shape Measurement

LeafJ: An ImageJ Plugin for Semi-automated Leaf Shape Measurement

Published on: January 21, 2013

Size-dependent leaf area ratio in plant twigs: implication for leaf size optimization.

Dongmei Yang¹, Karl J Niklas, Shuang Xiang

¹Chengdu Institute of Biology, Chengdu 610041, China.

Annals of Botany

|October 30, 2009

Summary

Leaf size variation is linked to twig size, with larger leaves on larger twigs offering diminishing returns. This relationship is influenced by photosynthetic capacity and longevity, explaining patterns across habitats.

More Related Videos

Leaf Area Index Estimation Using Three Distinct Methods in Pure Deciduous Stands

Leaf Area Index Estimation Using Three Distinct Methods in Pure Deciduous Stands

Published on: August 29, 2019

Field Measurement of Effective Leaf Area Index using Optical Device in Vegetation Canopy

Field Measurement of Effective Leaf Area Index using Optical Device in Vegetation Canopy

Published on: July 29, 2021

Related Experiment Videos

Last Updated: Jun 19, 2026

LeafJ: An ImageJ Plugin for Semi-automated Leaf Shape Measurement

LeafJ: An ImageJ Plugin for Semi-automated Leaf Shape Measurement

Published on: January 21, 2013

Leaf Area Index Estimation Using Three Distinct Methods in Pure Deciduous Stands

Leaf Area Index Estimation Using Three Distinct Methods in Pure Deciduous Stands

Published on: August 29, 2019

Field Measurement of Effective Leaf Area Index using Optical Device in Vegetation Canopy

Field Measurement of Effective Leaf Area Index using Optical Device in Vegetation Canopy

Published on: July 29, 2021

Area of Science:

Plant ecology
Functional morphology
Allometry

Background:

Leaf size variation is a key trait in plant ecology, but the underlying mechanisms remain unclear.
Corner's rule suggests twig size correlates with appendage size, implying a link to leaf size.

Purpose of the Study:

To analyze the cost/benefit of twig size in relation to leaf size variation.
To understand the scaling relationship between twig mass and leaf area.

Main Methods:

Conducted an extensive survey of twig and leaf traits for 234 broadleaved forest species.
Utilized standardized major axis regression and phylogenetic independent comparative analyses to determine scaling relationships.

Main Results:

Leaf area scales positively and allometrically with twig mass (slope < 1.0), indicating decreasing leaf area ratio with increasing twig size.
Leaf area ratio negatively correlates with individual leaf mass.
A model suggests large leaf-twig size is favored by high photosynthetic capacity and/or longevity.

Conclusions:

The diminishing returns in leaf area scaling with twig size are explained by a simple twig size optimization model.
Model predictions align with observed leaf size variations across and within habitats, influenced by productivity and longevity.