Leaf Nectary Scoring

Leaf nectary scoring is a standardized method for documenting and comparing nectar-producing structures on plant leaves, providing a measurable phenotype for genetic analysis. Researchers examine features such as nectary presence, position, number, size, or visible nectar production and assign consistent scores or categories under defined observation conditions. These data can reveal variation among individuals, support inheritance studies, and help identify genetic factors associated with nectary development and function. In genetics, leaf nectary scoring is especially useful for linking observable plant traits with genotype, comparing mutant and wild-type plants, and evaluating how developmental pathways influence traits involved in plant defense and ecological interactions.

Leaf Nectary Scoring - Related Videos

Research

JoVE Journal - Biology

Collection and Long-Term Maintenance of Leaf-Cutting Ants (Atta) in Laboratory Conditions

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Cited by 6 •

2022

Here, a protocol is described to successfully collect and maintain healthy Atta (Hymenoptera: Formicidae) ant colonies in laboratory conditions. Additionally, different nest types and configurations are detailed together with possible experimental procedures.

Research

JoVE Journal - Environment
Free Sample

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area

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Cited by 3 •

2024

The protocol presented shows digital measurement and analysis of continuous leaf physiognomic traits on fossil leaves to reconstruct paleoclimate and paleoecology using the digital leaf physiognomy and leaf mass per area reconstruction methods.

Establishment of Rice Plant Leaf Infection through Fungal Inoculation via Wounding

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2025

This video demonstrates the establishment of rice plant leaf infection through wounding inoculation with Magnaporthe grisea mycelium. The fungal spore-derived germ tube penetrates the epidermal layer, resulting in tissue infection and lesions on the leaves. This method aids pathotype screening and improves plant resistance understanding for molecular breeding.

Research

JoVE Journal - Biology
Free Sample

Relating Stomatal Conductance to Leaf Functional Traits

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Cited by 38 •

2015

Unraveling how physiology and morphology are linked allows a deeper understanding of mechanistic functioning of plant leaves. We present both a procedure to derive parameters of stomatal regulation from stomatal conductance measurements and correlations with traditional functional leaf traits.

Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana

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Cited by 1 •

2021

Many plant species change the positioning of chloroplasts to optimize light absorption. This protocol describes how to use a straightforward, home-built instrument to investigate chloroplast movement in Arabidopsis thaliana leaves using changes in the transmission of light through a leaf as a proxy.

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