Rapid Determination of Bud and Leaf Water Content Using Hyperspectral Sensors to Monitor Cold Hardiness in Grapevine

Visna Weerarathne; Asmita Paudel; Akanksha Sehgal; Richard Tegtmeier; Ugochukwu Ikeogu; Ezekiel Ahn; Lance Cadle-Davidson; Silvas Kirubakaran

doi:10.5344/ajev.2025.25019

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Rapid Determination of Bud and Leaf Water Content Using Hyperspectral Sensors to Monitor Cold Hardiness in Grapevine

View ORCID ProfileVisna Weerarathne, View ORCID ProfileAsmita Paudel, View ORCID ProfileAkanksha Sehgal, View ORCID ProfileRichard Tegtmeier, View ORCID ProfileUgochukwu Ikeogu, View ORCID ProfileEzekiel Ahn, View ORCID ProfileLance Cadle-Davidson, View ORCID ProfileSilvas Kirubakaran

Am J Enol Vitic. 2025 76: 0760027 ; DOI: 10.5344/ajev.2025.25019

Visna Weerarathne

1USDA-ARS, Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456;

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ORCID record for Visna Weerarathne

Asmita Paudel

2College of Agricultural Sciences and Natural Resources, East Texas A&M University, Commerce, TX 75428;

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Akanksha Sehgal

3Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29634;

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Richard Tegtmeier

4School of Integrative Plant Science, Plant Pathology and Plant-Microbe Biology Section, Cornell AgriTech, Geneva, NY 14456;

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Ugochukwu Ikeogu

5School of Integrative Plant Science, Horticulture Section, Cornell AgriTech, Geneva, NY 14456; and

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Ezekiel Ahn

6USDA-ARS, Sustainable Perennial Crops Laboratory, Beltsville, MD 20705.

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Lance Cadle-Davidson

1USDA-ARS, Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456;

3Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29634;

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Silvas Kirubakaran

1USDA-ARS, Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456;

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ORCID record for Silvas Kirubakaran
For correspondence: silvas.kirubakaran{at}usda.gov

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vol. 76, article 0760027

DOI

https://doi.org/10.5344/ajev.2025.25019

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American Journal of Enology and Viticulture

History

Received April 2025
Accepted September 2025
Published online November 2025.

This is an open access article distributed under the CC BY 4.0 license.

Author Information

Visna Weerarathne1,
Asmita Paudel2,
Akanksha Sehgal3,
Richard Tegtmeier4,
Ugochukwu Ikeogu5,
Ezekiel Ahn6,
Lance Cadle-Davidson1,3 and
Silvas Kirubakaran1,*

¹USDA-ARS, Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456;
²College of Agricultural Sciences and Natural Resources, East Texas A&M University, Commerce, TX 75428;
³Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29634;
⁴School of Integrative Plant Science, Plant Pathology and Plant-Microbe Biology Section, Cornell AgriTech, Geneva, NY 14456;
⁵School of Integrative Plant Science, Horticulture Section, Cornell AgriTech, Geneva, NY 14456; and
⁶USDA-ARS, Sustainable Perennial Crops Laboratory, Beltsville, MD 20705.

↵*Corresponding author (silvas.kirubakaran{at}usda.gov)

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Rapid Determination of Bud and Leaf Water Content Using Hyperspectral Sensors to Monitor Cold Hardiness in Grapevine

Am J Enol Vitic. 2025 76: 0760027 ; DOI: 10.5344/ajev.2025.25019

Visna Weerarathne

1USDA-ARS, Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456;

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ORCID record for Visna Weerarathne

Asmita Paudel

2College of Agricultural Sciences and Natural Resources, East Texas A&M University, Commerce, TX 75428;

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Akanksha Sehgal

3Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29634;

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Richard Tegtmeier

4School of Integrative Plant Science, Plant Pathology and Plant-Microbe Biology Section, Cornell AgriTech, Geneva, NY 14456;

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Ugochukwu Ikeogu

5School of Integrative Plant Science, Horticulture Section, Cornell AgriTech, Geneva, NY 14456; and

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Ezekiel Ahn

6USDA-ARS, Sustainable Perennial Crops Laboratory, Beltsville, MD 20705.

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Lance Cadle-Davidson

1USDA-ARS, Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456;

3Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29634;

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Silvas Kirubakaran

1USDA-ARS, Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456;

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ORCID record for Silvas Kirubakaran
For correspondence: silvas.kirubakaran{at}usda.gov

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Open Access

Rapid Determination of Bud and Leaf Water Content Using Hyperspectral Sensors to Monitor Cold Hardiness in Grapevine

Am J Enol Vitic. 2025 76: 0760027 ; DOI: 10.5344/ajev.2025.25019

Visna Weerarathne

1USDA-ARS, Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456;

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ORCID record for Visna Weerarathne

Asmita Paudel

2College of Agricultural Sciences and Natural Resources, East Texas A&M University, Commerce, TX 75428;

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Akanksha Sehgal

3Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29634;

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Richard Tegtmeier

4School of Integrative Plant Science, Plant Pathology and Plant-Microbe Biology Section, Cornell AgriTech, Geneva, NY 14456;

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Ugochukwu Ikeogu

5School of Integrative Plant Science, Horticulture Section, Cornell AgriTech, Geneva, NY 14456; and

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Ezekiel Ahn

6USDA-ARS, Sustainable Perennial Crops Laboratory, Beltsville, MD 20705.

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Lance Cadle-Davidson

1USDA-ARS, Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456;

3Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29634;

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Silvas Kirubakaran

1USDA-ARS, Grape Genetics Research Unit, 630 West North Street, Geneva, NY 14456;

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ORCID record for Silvas Kirubakaran
For correspondence: silvas.kirubakaran{at}usda.gov

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Rapid Determination of Bud and Leaf Water Content Using Hyperspectral Sensors to Monitor Cold Hardiness in Grapevine

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