Shanthanu (Shan) Krishna Kumar, Ph.D.

Shanthanu (Shan) Krishna Kumar, Ph.D.

  • Assistant Professor of Tree Fruit
Office: 203 Tyson
Lab: 210 Tyson

University Park, PA 16802

Areas of Expertise

  • Fruit Crop Physiology
  • Apple and Peach Production
  • Crop Load Management
  • Plant Growth Regulators
  • Post-harvest physiology

Education

  • Ph.D. Cornell University (2023)
  • M.Sc. University of Guelph (2018)
  • B.Tech. Dalhousie University (2015)
  • B.Tech. Tamil Nadu Agricultural University (2014)

Publications

2025 Pennsylvania Tree Fruit Maturity Report - October 21, Krishna Kumar, Shanthanu, Brown, Lindsay, Seifrit, D, Schupp, Melanie, Weber, D, 2025

Integrating computer vision and precision sprayers for targeted green fruit chemical thinning
Precision Agriculture, Kang, Chenchen, Kumar, Shanthanu Krishna, He, Long, 2025

The Kumar Lab at Penn State – Tree Fruit Physiology and Extension, Krishna Kumar, Shanthanu, 2025

2025 Pennsylvania Tree Fruit Maturity Report - September 23, Krishna Kumar, Shanthanu, Brown, Lindsay, Seifrit, D, Schupp, Melanie, Weber, D, 2025

2025 Pennsylvania Tree Fruit Maturity Report - August 19, Krishna Kumar, Shanthanu, Brown, Lindsay, Seifrit, D, Schupp, Melanie, Weber, D, 2025

2025 Pennsylvania Apple and Peach Phenology Report - May 12, Krishna Kumar, Shanthanu, Brown, Lindsay, Seifrit, D, Schupp, Melanie, Weber, Daniel, 2025

Freeze Damage in Peaches and Apples and Other Fruit, Krishna Kumar, Shanthanu, Gupta, Devansh, Evans, Michael, Schupp, J, Schupp, Melanie, Brown, Lindsay, Weber, D, 2025

2025 Pennsylvania Apple and Peach Phenology Report - April 28, Krishna Kumar, Shanthanu, Brown, Lindsay, Seifrit, D, Schupp, Melanie, Weber, Daniel, 2025

Low Temperature Damage to Peaches, Nectarines in Rock Springs, PA, Krishna Kumar, Shanthanu, Gupta, Devansh, 2025

Pennsylvania Apple Phenology and Maturity Updates, Krishna Kumar, Shanthanu, Seifrit, D, Weber, D, Schupp, Melanie, Evans, Michael, 2025

2024 Apple and Peach Rootstock Update, Krishna Kumar, Shanthanu, Brown, Lindsay, Schupp, J, Schupp, Melanie, Evans, Michael, 2025

2024 Blossom Thinning Trials on 'Gala' and 'Honeycrisp', Krishna Kumar, Shanthanu, Brown, Lindsay, Schupp, J, Schupp, Melanie, Evans, Michael, 2025

Reduced apple crop density enhances total polyphenol accumulation via upregulation of anthocyanidin reductase and other phenylpropanoid pathway genes
Frontiers in Plant Science, Krishna Kumar, Shanthanu, Tyagi, Kamal, Brown, Michael, Cheng, Lailiang, Fei, Zhangjun, Peck, Gregory, 2025

A Bittersweet Symphony: Genetic Insights into Cider Apple Fruit Quality
G3: Genes, Genomes, Genetics, Bouillon, Pierre, Zakalik, David, Brown, Michael, Krishna Kumar, Shanthanu, Peck, Gregory, 2025

2024 Apple Phenology Update and Chemical Thinning of Apples in Pennsylvania – April 30, Krishna Kumar, Shanthanu, 2024

2024 Apple Phenology Update and Chemical Thinning of Apples in Pennsylvania – May 13, Krishna Kumar, Shanthanu, 2024

2024 Apple Phenology Update – April 23, Krishna Kumar, Shanthanu, 2024

2024 Pennsylvania Apple Maturity Report – August 16
Penn State Extension, Krishna Kumar, Shanthanu, 2024

2024 Pennsylvania Apple Maturity Report – August 30
Penn State Extension, Krishna Kumar, Shanthanu, 2024

2024 Pennsylvania Apple Maturity Report – October 11
Penn State Extension, Krishna Kumar, Shanthanu, 2024

2024 Pennsylvania Apple Maturity Report – September 13
Penn State Extension, Krishna Kumar, Shanthanu, 2024

2024 Apple Phenology Update and Blossom Thinning of Apples in Pennsylvania – April 15, Krishna Kumar, Shanthanu, 2024

The biochemical and physiological basis for hard cider apple fruit quality
Plants People Planet, Karl, Adam Duerr, Zakalik, David Lior, Cook, Brittany Sarah, Krishna Kumar, Shanthanu, Peck, Gregory Michael, 2023

Classifying cider apple germplasm using genetic markers for fruit acidity
Journal of the American Society for Horticultural Science, Kumar, Shanthanu Krishna, Wojtyna, Nathan, Dougherty, Laura, Xu, Kenong, Peck, Gregory, 2021

Industrial Hemp (Cannabis sativa subsp. sativa) as an Emerging source for value-added functional food ingredients and nutraceuticals
Molecules, Vasantha Rupasinghe, H. P., Davis, Amy, Kumar, Shanthanu K., Murray, Beth, Zheljazkov, Valtcho D., 2020

Changes in the volatile profile of ‘Fantasia’ nectarines [Prunus persica (L.) Batsch, var. nectarina] treated with an enhanced freshness formulation (EFF) containing hexanal
Horticulture Environment and Biotechnology, Krishna Kumar, Shanthanu, Hern, Tom, Liscombe, David, Paliyath, Gopinadhan, Sullivan, J. Alan, Subramanian, Jayasankar, 2020

Pre-harvest application of hexanal formulation enhances shelf life and quality of ‘Fantasia’ nectarines by regulating membrane and cell wall catabolism-associated genes
Scientia Horticulturae, Kumar, Shanthanu Krishna, El Kayal, Walid, Sullivan, J. Alan, Paliyath, Gopinadhan, Jayasankar, Subramanian, 2018

Enhancement of post-harvest shelf life of nectarines (Prunus persica (L.) Batsch var. nectarina) using hexanal, Krishna Kumar, Shanthanu, 2018

Postharvest technologies in tender fruits: Peach, nectarine, plum, and apricot, Subramanian, Jayasankar, Krishnakumar, Shanthanu, Shinde, Ranjeet, El Kayal, Walid, 2018

Active and intelligent packaging for reducing postharvest losses of fruits and vegetables, Shinde, Ranjeet, Rodov, Victor, Krishnakumar, Shanthanu, Subramanian, Jayasankar, 2018

Morphological, yield and quality variability among Plumbago zeylanica germplasm
Electronic Journal of Plant Breeding, Nalina, L, Krishna Kumar, Shanthanu, Rajamani, K, John Joel, A, Dhanani, T, Singh, R, Kumar, S, 2017