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Application of ImageJ Software in the assessment of flowering Intensity and growth Vigor of Pear Trees Cover

Application of ImageJ Software in the assessment of flowering Intensity and growth Vigor of Pear Trees

Journal of Horticultural Research
Volume 29 (2021): Issue 2 (December 2021)
By:
Open Access
|Dec 2021

Figures & Tables

Figure 1

Flow chart of the image processing procedure for measuring the total surface area of flowers
Flow chart of the image processing procedure for measuring the total surface area of flowers

Figure 2

Flow chart of the image processing procedure for measuring the total length of tree shoots
Flow chart of the image processing procedure for measuring the total length of tree shoots

Figure 3

Example of image processing for the assessment of flowering intensity (a – original image, b – image after thresholding)
Example of image processing for the assessment of flowering intensity (a – original image, b – image after thresholding)

Figure 4

Processing steps for skeletonizing the photographic image of a tree (a – original, b – binary, c – skeleton)
Processing steps for skeletonizing the photographic image of a tree (a – original, b – binary, c – skeleton)

Figure 5

Calibration model for estimating the flowering of trees in 2015 (n = 11)
Calibration model for estimating the flowering of trees in 2015 (n = 11)

Figure 6

Correlation between the estimated number of inflorescences and the actual number of inflorescences in 2015 (n = 27)
Correlation between the estimated number of inflorescences and the actual number of inflorescences in 2015 (n = 27)

Figure 7

Calibration models for estimating the flowering of trees in 2016 (n = 10)
Calibration models for estimating the flowering of trees in 2016 (n = 10)

Figure 8

Calibration model for estimating tree growth vigor in 2015 (n = 10)
Calibration model for estimating tree growth vigor in 2015 (n = 10)

Figure 9

Correlation between the estimated tree growth vigor and the measured values (n = 26)
Correlation between the estimated tree growth vigor and the measured values (n = 26)

Values of absolute error in estimating the flowering intensity of pear trees based on image analysis (2015 and 2016)

Sampling dateMAEMAPE
20156.1121.8%
First measurement 20168.1014.0%
Second measurement 201611.9619.1%
DOI: https://doi.org/10.2478/johr-2021-0017 | Journal eISSN: 2353-3978 | Journal ISSN: 2300-5009
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Language: English
Page range: 85 - 94
Submitted on: Jul 1, 2021
Accepted on: Oct 1, 2021
Published on: Dec 13, 2021
Published by: National Institute of Horticultural Research
In partnership with: Paradigm Publishing Services
Publication frequency: 2 times per year
Keywords:
image analysis,
plant morphology
Related subjects:
Life sciences,
Biotechnology,
Plant science,
Ecology,
Life sciences, other

© 2021 Waldemar Treder, Krzysztof Klamkowski, Anna Tryngiel-Gać, Katarzyna Wójcik, published by National Institute of Horticultural Research
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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