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.

Chi-square Analysis

Chi-square Analysis

The chi-square test is a statistical hypothesis test. It is used to check whether there is a significant difference between an expected value and an observed value. In the context of genetics, it enables us to either accept or reject a hypothesis, based on how much the observed values deviate from the expected values.
The chi-square test was developed by Pearson in 1990.
The first step of performing a Chi-square analysis is to establish a null hypothesis, which assumes that there is no real...

You might also read

Related Articles

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

Sort by

Same author

Wind-driven seed dispersal differentially promotes seed trapping and retention across alpine plants.

American journal of botany·2026

Same author

Spatial Insurance of Distinct Ecological Functions.

Ecology letters·2025

Same author

Allometry and phylogeny of within-diaspore biomass allocation: A global analysis.

Biology letters·2025

Same author

Plant traits and associated ecological data from Afromontane grasslands of Maloti-Drakensberg, South Africa.

Scientific data·2025

Same author

General laws of biodiversity: Climatic niches predict plant range size and ecological dominance globally.

Proceedings of the National Academy of Sciences of the United States of America·2025

Same author

High-temperature acclimation of photosystem II in land plants.

The New phytologist·2025

Search research articles

Related Experiment Video

Updated: Jul 10, 2026

Relating Stomatal Conductance to Leaf Functional Traits

Relating Stomatal Conductance to Leaf Functional Traits

Published on: October 12, 2015

Ploidy level predicts differences in minimum leaf conductance in quaking aspen, Populus tremuloides.

Jocelyn Navarro^1,2, Roxanne M Cruz-de Hoyos^2,3, John M Powers^2,4

¹Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, 85721, Arizona, USA.

American Journal of Botany

|July 9, 2026

Summary

Triploid Populus tremuloides (aspen) exhibit higher minimum leaf conductance (g_min) than diploids, indicating greater water loss. This difference persists regardless of leaf traits or microclimate, suggesting ploidy impacts drought vulnerability.

Keywords:

Populus tremuloides Salicaceae drought tolerance gmin leaf traits minimum leaf conductance ploidy variation polyploidy quaking aspen tree ecophysiology

More Related Videos

In Vivo Leaf Inoculation: An Alternative Method to Assess the Disease Resistance of Hybrid Clones in Poplar Breeding of Stem Canker Disease

In Vivo Leaf Inoculation: An Alternative Method to Assess the Disease Resistance of Hybrid Clones in Poplar Breeding of Stem Canker Disease

Published on: September 20, 2024

High-Throughput Analysis of Non-Photochemical Quenching in Crops Using Pulse Amplitude Modulated Chlorophyll Fluorometry

High-Throughput Analysis of Non-Photochemical Quenching in Crops Using Pulse Amplitude Modulated Chlorophyll Fluorometry

Published on: July 6, 2022

Related Experiment Videos

Last Updated: Jul 10, 2026

Relating Stomatal Conductance to Leaf Functional Traits

Relating Stomatal Conductance to Leaf Functional Traits

Published on: October 12, 2015

In Vivo Leaf Inoculation: An Alternative Method to Assess the Disease Resistance of Hybrid Clones in Poplar Breeding of Stem Canker Disease

In Vivo Leaf Inoculation: An Alternative Method to Assess the Disease Resistance of Hybrid Clones in Poplar Breeding of Stem Canker Disease

Published on: September 20, 2024

High-Throughput Analysis of Non-Photochemical Quenching in Crops Using Pulse Amplitude Modulated Chlorophyll Fluorometry

High-Throughput Analysis of Non-Photochemical Quenching in Crops Using Pulse Amplitude Modulated Chlorophyll Fluorometry

Published on: July 6, 2022

Area of Science:

Plant physiology
Ecology
Genetics

Background:

Plants regulate water loss through stomata and cuticle.
Minimum leaf conductance (g_min) quantifies water loss via these pathways.
Ploidy level can influence plant traits and water relations.

Purpose of the Study:

To compare g_min in diploid and triploid Populus tremuloides.
To determine if ploidy, leaf traits, or microclimate explain variation in g_min.
To test the hypothesis that higher ploidy leads to increased water loss.

Main Methods:

Measured g_min in 32 aspen genets in Colorado.
Assessed plant water-use and structural traits.
Analyzed predictors of g_min variation, including ploidy level and microclimate.

Main Results:

Triploid aspen showed significantly higher g_min than diploids.
Leaf area and surface-area-to-volume ratio predicted g_min but did not explain the ploidy difference.
Microclimate factors (slope, aspect) influenced g_min, yet ploidy remained a robust predictor.

Conclusions:

Ploidy level is a significant, independent predictor of g_min in Populus tremuloides.
Higher g_min in triploids suggests increased drought vulnerability due to genetic or physical effects.
Findings highlight the role of ploidy in plant water loss regulation and ecological adaptation.