D. H. Chitwood

A high resolution model of the grapevine leaf morphospace predicts synthetic leaves

The paper develops a high-resolution morphospace model of grapevine leaves to predict synthetic leaves and improve classification accuracy.

Herbarium specimens reveal links between Capsella bursa-pastoris leaf shape and climate

This study uses geometric morphometric modeling to show that Capsella bursa-pastoris leaf shape variation is strongly linked to temperature, with no change in variation over 100 years.

Morphometrics and phylogenomics of coca (Erythroxylum spp.) illuminate its reticulate evolution, with implications for taxonomy

This study uses morphometrics and phylogenomics to analyze coca species and their relatives, revealing gene flow and taxonomic implications for coca classification.

The shape and volume of air, kernels, and cracks, in a nutshell

This paper uses X-ray CT to measure walnut morphology and identifies volume-based traits that predict commercial qualities like shell strength.

From buds to shoots: Insights into grapevine development from the Witch's Broom bud sport

The paper studies grapevine development using the Witch's Broom bud sport to identify genetic mutations associated with developmental defects and phenotypic differences.

Topological data analysis reveals a core heteroblastic program embedded in leaves of grapevine and maracuya

The paper uses topological data analysis to reveal a conserved core heteroblasty program in grapevine and maracuya leaves, despite species-specific shape differences.

Integrated PET and confocal imaging informs a functional timeline for the dynamic process of vascular reconnection during grafting.

This paper uses integrated PET and confocal imaging to establish a spatiotemporal timeline for vascular reconnection during grafting in tomato.

A critical analysis of plant science literature reveals ongoing inequities

This paper analyzes 300,000 plant science papers to reveal global, gender, and taxonomic disparities in research output and representation.

The topological shape of gene expression across the evolution of flowering plants

This paper uses topological data analysis to create a topological representation of gene expression across flowering plants, revealing conserved expression patterns linked to tissues and stress responses.

Grapevine leaf size influences vine canopy temperature

The paper examines the relationship between grapevine leaf size and canopy temperature, finding that larger leaves are associated with cooler canopy temperatures.

X-ray imaging of 30 year old wine grape wood reveals cumulative impacts of rootstocks on scion secondary growth and harvest index

The paper uses X-ray CT to analyze annual rings in 30-year-old wine grape vines, showing rootstocks affect secondary growth and harvest index over time.

The shape of aroma: measuring and modeling citrus oil gland distribution

The paper quantifies and models citrus fruit shape and oil gland distribution using 3D CT scans, revealing allometric relationships and diffusion dynamics in tissue growth.

Increases in vein length compensate for leaf area lost to lobing in grapevine

The paper examines how increased vein length compensates for leaf area lost to lobing in grapevines, showing that more lobed leaves maintain similar area through longer veins and higher vein-to-blade ratios.

A predicted developmental and evolutionary morphospace for grapevine leaves

The paper models grapevine leaf shape using a morphospace defined by vein-to-blade area ratios, predicting possible developmental and evolutionary leaf shapes that exist in nature.

Root system influence on high dimensional leaf phenotypes over the grapevine growing season

The paper examines how rootstock genotype affects leaf phenotypes in grafted grapevines across a growing season, finding subtle but widespread rootstock influence across multiple phenotyping modalities.

Measuring hidden phenotype: Quantifying the shape of barley seeds using the Euler Characteristic Transform

This paper uses the Euler Characteristic Transform to quantify barley seed shape, showing it captures hidden shape features better than traditional methods.

Grapevine rootstocks affect growth-related scion phenotypes

This study shows that selecting the optimal rootstock can increase grapevine yield, pruning weight, and Ravaz index by over 50%.

Quantitative dissection of color patterning in the foliar ornamental Coleus reveals underlying features driving aesthetic value

This study uses a new phenotyping approach to analyze color patterns in coleus plants and identifies features driving breeder and consumer preferences.

Directional phyllotactic bias in calatheas (Goeppertia, Marantaceae): a citizen science approach

The paper uses a citizen science approach to show that calatheas globally exhibit a directional bias towards counter-clockwise phyllotaxis, challenging assumptions of stochastic handedness.

Composite modeling of leaf shape across shoots discriminates Vitis species better than individual leaves

The paper models leaf shape changes across shoots in Vitis species and finds composite leaves better predict species identity than individual leaves.

Vein-to-blade ratio is an allometric indicator of climate-induced changes in grapevine leaf size and shape

The paper uses vein-to-blade area ratio as an allometric indicator to show climate impacts on grapevine leaf size and shape across multiple growing seasons.

The shapes of wine and table grape leaves: an ampelometric study inspired by the methods of Pierre Galet

This paper uses pseudo-landmarks to quantify grapevine leaf shapes, classifying them into two groups based on sinus depth, improving variety prediction compared to traditional methods.

Rapid leaf trait response to growing-season meteorology in Vitis: Implications for leaf physiognomic paleoclimate reconstructions

This study examines how meteorological conditions during the growing season affect leaf traits in Vitis species, showing significant variations across developmental stages and seasons, with implications for paleoclimate reconstructions.

Characterizing grapevine (Vitis spp.) inflorescence architecture using X-ray imaging: implications for understanding cluster density

The paper uses X-ray imaging and computational methods to analyze grapevine inflorescence architecture across species, identifying traits linked to cluster density and phylogenetic patterns.

Leaf shape is a predictor of fruit quality and cultivar performance in tomato

The paper investigates how leaf shape affects fruit quality and yield in tomato cultivars, finding that rounder leaves correlate with higher sugar content and yield.

Rootstock effects on scion phenotypes in a ‘Chambourcin’ experimental vineyard

This study examines how rootstock affects scion leaf morphology, ion concentrations, and gene expression in Chambourcin grapevines under different irrigation conditions.

Bundle sheath extensions affect leaf phenotypic plasticity in response to irradiance

This study shows that bundle sheath extensions (BSEs) in tomato leaves differentially affect physiological and anatomical traits under varying irradiance conditions, suggesting BSEs coordinate leaf plasticity.

Genetic Architecture and Molecular Networks Underlying Leaf Thickness in Desert-Adapted Tomato Solanum pennellii

The paper identifies genetic and molecular mechanisms underlying leaf thickness in Solanum pennellii by analyzing introgression lines and transcriptomes.

Persistent homology demarcates a leaf morphospace

This paper uses persistent homology to analyze leaf shapes from 182,707 leaves across 141 plant families, revealing phylogenetic and geographic differences in leaf morphology.

Morphometrics Reveals Complex And Heritable Apple Leaf Shapes

The paper uses morphometric techniques to analyze apple leaf shapes, finding heritable variation captured by complex methods like elliptical Fourier descriptors and persistent homology.