Data for: Precision, quantitative measurement of sunflower capitulum inclination: a trigonometry-based approach

This repository contains data and supplementary materials for the paper "Precision, quantitative measurement of sunflower capitulum inclination: a trigonometry-based approach" (Agronomy Journal).

Contents

headinclination_allmodels.xlsx:

Excel file containing the raw data and calculated angles for sunflower head inclination measurements. This dataset includes:

Plot identifiers and location information

Plant measurements (flower height, maturity height, stem length, head height)

Calculated values (height difference, incline length)

Angle measurements using different methods (trigonometry-based, linear model)

supplementarymaterial_angle 20240619.stl:

STL file containing a 3D model related to the angle measurement apparatus used in the study.

supplementarymaterial_mount 20240619.stl:

STL file containing a 3D model of the mounting mechanism used for the measurement apparatus.

Study Overview

This research introduces novel approaches to mathematically measure sunflower head inclination angle, a crucial trait influencing crop performance. The study was conducted over the 2022 and 2023 growing seasons, utilizing an aluminum rod equipped with a ruler and a digital protractor for precise measurements.

The data and models provided here support the development of a trigonometry-based approach and a linear model for calculating head inclination angles. These methods offer improved precision over existing estimation techniques and have potential applications in high-throughput phenotyping.