Works (40)

Updated: November 7th, 2024 05:01

2024 journal article

Improve<i> Cannabis</i><i> sativa</i> micropropagation through increasing air change rate in photoautotrophic and traditional tissue culture

SCIENTIA HORTICULTURAE, 372.

By: X. Shi n, C. Collado n & R. Hernandez n

author keywords: Natural ventilation; Root development; Explant Growth; In Vitro
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: June 11, 2024

2024 article

Improved Land Use Efficiency Through Spectral Beam Splitting in Agrivoltaic Farms

AGRIVOLTAICS WORLD CONFERENCE 2023, Vol. 2.

By: E. Ravishankar*, S. Esh, O. Rozenstein, H. Vitoshkin, A. Kribus, G. Mittelman, S. Jakhar, R. Hernandez*

author keywords: Agrivoltaics; Spectral Beam-Splitting; Computational Model
Sources: Web Of Science, NC State University Libraries
Added: November 4, 2024

2024 journal article

Supplemental greenhouse lighting increased the water use efficiency, crop growth, and cutting production in <i>Cannabis sativa</i>

FRONTIERS IN PLANT SCIENCE, 15.

By: C. Collado n, S. Hwang* & R. Hernandez n

author keywords: HEMP; stock plant; propagation; water management; water reduction; crop yield; PPFD; DLI
Sources: Web Of Science, NC State University Libraries
Added: July 1, 2024

2023 journal article

Flowering Response of Cannabis sativa L. 'Suver Haze' under Varying Daylength-Extension Light Intensities and Durations

HORTICULTURAE, 9(5).

By: J. Park*, C. Collado n, V. Lam* & R. Hernandez n

author keywords: hemp; photoperiod; cannabis flower; day-extension; cannabis cuttings
Sources: Web Of Science, NC State University Libraries
Added: July 3, 2023

2022 journal article

Generation of Adventitious Roots and Characteristics of Gas Exchange according to Leaf Number of Hemp (Cannabis sativa L.) Cuttings

HORTICULTURAL SCIENCE & TECHNOLOGY, 40(1), 30–38.

By: V. Lam*, R. Hernandez n, J. Lee*, S. Kim* & J. Park*

author keywords: fresh weight; light intensity; net photosynthetic rate; root quality; well-rooted hemp plant
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: March 7, 2022

2021 journal article

Effects of Light Intensity, Spectral Composition, and Paclobutrazol on the Morphology, Physiology, and Growth of Petunia, Geranium, Pansy, and Dianthus Ornamental Transplants

JOURNAL OF PLANT GROWTH REGULATION, 41(2), 461–478.

By: C. Collado n & R. Hernandez n

author keywords: Light-emitting diode; Plant growth regulators; PBZ; HPS; Supplemental light; Daily light integral; PPFD; Blue light; Green light; Red light
TL;DR: The synergistic effects of the combination of PBZ and supplemental lighting resulted in the most compact plants, caused by a reduction in plant height byPBZ and an increase in dry mass by SL, but PBZ reduced shoot dry mass of most plant species and light combinations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 23, 2021

2021 journal article

Impact of Different Daily Light Integrals and Carbon Dioxide Concentrations on the Growth, Morphology, and Production Efficiency of Tomato Seedlings

FRONTIERS IN PLANT SCIENCE, 12.

By: B. Huber n, F. Louws n & R. Hernandez n

Contributors: B. Huber n, F. Louws n & R. Hernandez n

author keywords: carbon dioxide; PPFD; controlled environment agriculture; vertical farm; light-emitting diodes; energy consumption; production cost
TL;DR: The results showed increases in growth rate with increases in the DLI and CO2 concentration and the net photosynthetic rate obtained was 31 and 68% higher than those obtained with 1000 and 400 μmol mol–1, respectively. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 12, 2021

2021 journal article

Impact of Nitrate and Ammonium Ratios on Flowering and Asexual Reproduction in the Everbearing Strawberry Cultivar Fragaria x ananassa Albion

HORTICULTURAE, 7(12).

By: X. Shi n, R. Hernandez n & M. Hoffmann n

author keywords: strawberry propagation; ever-bearing; fertilizer
Sources: Web Of Science, NC State University Libraries
Added: January 10, 2022

2021 article

Optimizing production of 'Fascination' and 'Carnivor' transplants for grafting using lower daily light integral and higher CO2

II INTERNATIONAL SYMPOSIUM ON VEGETABLE GRAFTING, Vol. 1302, pp. 103–109.

By: B. Huber* & R. Hernandez*

author keywords: controlled environments; vegetable grafting; carbon dioxide; dli; watermelon; squash
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: November 23, 2021

2021 article

The influence of stolon harvest frequency and nitrate: ammonium ratio on asexual reproduction of day-neutral strawberries (Fragaria xananassa 'Albion')

IX INTERNATIONAL STRAWBERRY SYMPOSIUM, Vol. 1309, pp. 283–288.

By: X. Shi*, R. Hernandez* & M. Hoffmann*

author keywords: everbearing; asexual reproduction; strawberry; stolon; nitrogen
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: November 23, 2021

2021 journal article

Timing of Stolon Removal Alters Daughter Plant Production and Quality in the Ever-bearing Strawberry 'Albion'

HORTSCIENCE, 56(6), 650–656.

By: X. Shi n, R. Hernandez n & M. Hoffmann n

author keywords: precise indoor propagation; PIP; controlled environments; strawberry nurseries; strawberry stolons; strawberry tip production
TL;DR: The results of this study show daughter plant production of strawberry plants declines significantly with shorter stolon removal intervals, indicating the need to adjustStolon removal in strawberry nurseries for optimal daughter plant development. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: July 6, 2021

2020 journal article

Impact of sun-simulated white light and varied blue:red spectrums on the growth, morphology, development, and phytochemical content of green-and red-leaf lettuce at different growth stages

SCIENTIA HORTICULTURAE, 264.

By: H. Spalholz n, P. Perkins-Veazie* & R. Hernandez n

author keywords: Light-emitting diode; Plant factory; Indoor farming; Bolting; Solar spectrum; Transplant; Baby-leaf lettuce; Head lettuce
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 6, 2020

2020 journal article

Patterns in the spectral composition of sunlight and biologically meaningful spectral photon ratios as affected by atmospheric factors

AGRICULTURAL AND FOREST METEOROLOGY, 291.

author keywords: Spectral photon ratios; Water-vapour column; Total ozone; Aerosol optical depth; Radiative transfer; Plant photobiology
TL;DR: The development of proxy models, utilising available data from weather and climate models, for relevant photon ratios as a function of solar elevation angle and atmospheric factors would facilitate the interpretation of results from past, present and future field studies of plants and vegetation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 24, 2020

2020 journal article

Plasma agriculture: Review from the perspective of the plant and its ecosystem

Plasma Processes and Polymers.

author keywords: plant fertilizer; nonthermal plasma; plant development; seed germination; soil microbiome
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: ORCID
Added: October 1, 2020

2020 article

The Effect of Light Intensity on Vegetative Propagation Efficacy, Growth, and Morphology of "Albion" Strawberry Plants in a Precision Indoor Propagation System

Xu, X., & Hernandez, R. (2020, February). APPLIED SCIENCES-BASEL, Vol. 10.

By: X. Xu n & R. Hernandez n

author keywords: day-neutral strawberry; light intensity; daily light integral; precision indoor propagation; daughter plant production
TL;DR: This study demonstrates the feasibility of using PIP systems for the production of strawberry daughter plants under three light intensities and Optimizing the light intensity in a PIP system improves plant growth and reduce propagation cost. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: May 8, 2020

2019 journal article

Controlled Environment Food Production for Urban Agriculture

HORTSCIENCE, 54(9), 1448–1458.

By: C. Gomez, C. Currey, R. Dickson, H. Kim, R. Hernandez*, N. Sabeh, R. Raudales, R. Brumfield ...

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: November 4, 2019

2019 journal article

Optimizing Plant Spacing and Harvest Time for Yield and Glucosinolate Accumulation in Watercress (Nasturtium officinale L.) Grown in a Hydroponic System

HORTICULTURAL SCIENCE & TECHNOLOGY, 37(6), 733–743.

By: V. Lam, J. Choi*, S. Kim*, J. Park* & R. Hernandez n

author keywords: days after transplanting; deep flow technique; greenhouse; shoot fresh and dry weight; unit area
TL;DR: It is suggested that watercress yield could be optimized by growing plants under 14-cm spacing and harvesting at 35 DAT, whereasgrowing plants under 20-cm spaced and harvested at 56 DAT would be an optimal method for increasing glucosinolate content without negatively affecting the growth of plants grown under a hydroponic culture system in a greenhouse. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 30, 2019

2018 journal article

Light quality characterization under climate screens and shade nets for controlled-environment agriculture

PLOS ONE.

Ricardo Hernandez

MeSH headings : Agriculture / instrumentation; Agriculture / methods; Environment, Controlled; Light; Spectrum Analysis
TL;DR: It is suggested that the type of spectral characterization that is performed is required to fully interpret the results of research examining plant responses to different types of screen and net, and would benefit material manufacturers, researchers, growers, and horticultural consultants, enabling material selection to better match the solutions sought by growers and their desired outcomes regarding plant performance. (via Semantic Scholar)
Source: ORCID
Added: July 28, 2020

2018 journal article

Morphology and growth of ornamental seedlings grown under supplemental light-emitting diode lighting and chemical plant-growth regulators

Acta Horticulturae.

Ricardo Hernandez

Source: ORCID
Added: July 28, 2020

2018 journal article

Transplant lettuce response to different blue:red photon flux ratios in indoor LED sole-source lighting production

Acta Horticulturae.

Ricardo Hernandez

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: July 28, 2020

2017 chapter

Light quality and photomorphogenesis

In Light management in controlled environments.

Ricardo Hernandez

Source: ORCID
Added: July 28, 2020

2016 article

End-of-day far-red lighting combined with blue-rich light environment to mitigate intumescence injury of two interspecific tomato rootstocks

VIII INTERNATIONAL SYMPOSIUM ON LIGHT IN HORTICULTURE, Vol. 1134, pp. 163–170.

By: T. Eguchi*, R. Hernandez n & C. Kubota*

author keywords: edema; LED; light quality; oedema; Solanum lycopersicum; transplants
TL;DR: It is demonstrated that blue-rich light quality combined with a small dose of EOD-FR lighting could be applied to mitigate the problematic intumescence injury of tomato seedlings grown under LEDs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Far-red and Blue Light Synergistically Mitigate Intumescence Injury of Tomato Plants Grown Under Ultraviolet-deficit Light Environment

HORTSCIENCE, 51(6), 712–719.

By: T. Eguchi*, R. Hernandez* & C. Kubota*

author keywords: blue light; edema; end-of-day; far-red light; LED; light quality; oedema; Solanum lycopersicum; Solanum habrochaitas; transplants
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2016 article

Growth and morphology of vegetable seedlings under different blue and red photon flux ratios using light-emitting diodes as sole-source lighting

VIII INTERNATIONAL SYMPOSIUM ON LIGHT IN HORTICULTURE, Vol. 1134, pp. 195–200.

By: R. Hernandez n, T. Eguchi* & C. Kubota*

author keywords: blue light; Solanum lycopersicum; Cucumis sativus; vertical farming; LEDs
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Tomato seedling physiological responses under different percentages of blue and red photon flux ratios using LEDs and cool white fluorescent lamps

SCIENTIA HORTICULTURAE, 213, 270–280.

By: R. Hernandez n, T. Eguchi*, M. Deveci* & C. Kubota*

author keywords: Blue light; Intumescences; Lycopersicum Growing efficacy; Light emitting diodes
TL;DR: 30B:70R, 50B:50R were the best spectrums to produce tomato seedlings under LEDs tested here; however, plant quality under CWF, 10B:90R, 20B:28G:52R, and 75B:25R was also acceptable. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2015 chapter

Light-Emitting Diodes in Horticulture

In Horticultural Reviews: Volume 43.

Ricardo Hernandez

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: ORCID
Added: July 28, 2020

2015 journal article

Physiological responses of cucumber seedlings under different blue and red photon flux ratios using LEDs

Environmental and Experimental Botany, 121, 66–74.

By: R. Hernández* & C. Kubota*

author keywords: Blue light; Dose-response; Cucumis sativus; Light emitting diode; Dry mass
TL;DR: For cucumber seedlings, morphological responses influenced plant growth since B PF responses in growth parameters closely matched those in morphological parameter (i.e., dry mass) and more research is needed to find the optimal spectrum for the growth and development of horticultural crops under sole source electrical lighting such as LEDs. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: July 28, 2019

2015 journal article

Physiological, Morphological, and Energy-use Efficiency Comparisons of LED and HPS Supplemental Lighting for Cucumber Transplant Production

HortScience, 50(3), 351–357.

By: R. Hernández* & C. Kubota*

author keywords: daily light integral; light emitting diodes; Cucumis sativus; seedlings; blue:red photon flux ratio; high-pressure sodium; fixture growing efficiency
TL;DR: Comparing supplemental LED lighting with supplemental HPS lighting in terms of plant growth and morphology as well as the energy use efficiencies of the fixtures found that supplemental red LED produced desirable plant compactness and HPS had greater fixture growing efficiency than LEDs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: July 28, 2019

2014 journal article

Growth and morphological response of cucumber seedlings to supplemental red and blue photon flux ratios under varied solar daily light integrals

Scientia Horticulturae, 173, 92–99.

By: R. Hernández* & C. Kubota*

author keywords: DLI; Greenhouse; Light-emitting diode; Cucumis sativus; Spectral quality; B:R ratio
Sources: Crossref, NC State University Libraries
Added: July 28, 2019

2014 journal article

LEDS SUPPLEMENTAL LIGHTING FOR VEGETABLE TRANSPLANT PRODUCTION: SPECTRAL EVALUATION AND COMPARISONS WITH HID TECHNOLOGY

Acta Horticulturae.

Ricardo Hernandez

author keywords: greenhouse; light-emitting diode; Solanum lycopersicum; Cucumis sativus; spectral quality; high pressure sodium
Source: ORCID
Added: July 28, 2020

2014 journal article

PULSING EFFECTS OF SUPPLEMENTAL LED LIGHTING ON CUCUMBER SEEDLINGS GROWTH AND MORPHOLOGY IN GREENHOUSE

Acta Horticulturae.

Ricardo Hernandez

Source: ORCID
Added: July 28, 2020

2012 journal article

Tomato seedling growth and morphological responses to supplemental led lighting red: blue ratios under varied daily solar light integrals.

Acta Horticulturae, 956, 187–194.

By: R. Hernández* & C. Kubota*

Sources: Crossref, NC State University Libraries, ORCID
Added: December 16, 2019

2011 journal article

Effects of selected insecticides on adults of two parasitoid species of Liriomyza trifolii: Ganaspidium nigrimanus (Figitidae) and Neochrysocharis formosa (Eulophidae)

Insect Science, 18(5), 512–520.

By: R. Hernández*, K. Guo*, M. Harris* & T. Liu*

author keywords: biological control; insecticides; leafminers; parasitoids
TL;DR: Adult parasitoid response to novaluron exhibited the least lethal effects among the bioassays and insecticides tested, and potential tolerance of N. formosa to λ‐cyhalothrin is discussed. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: July 28, 2019

2011 chapter

Hymenopteran Parasitoids and Their Role in Biological Control of Vegetable Liriomyza Leafminers

In Recent Advances in Entomological Research.

Ricardo Hernandez

TL;DR: Conservation biological control promoting natural control and using biorational management strategies should be harmoniously integrated in leafminer management programs. (via Semantic Scholar)
Source: ORCID
Added: July 28, 2020

2011 journal article

Impact of Insecticides on Parasitoids of the Leafminer,Liriomyza trifolii,in Pepper in South Texas

Journal of Insect Science, 11(61), 1–14.

By: R. Hernández*, M. Harris* & T. Liu*

MeSH headings : Animals; Biodiversity; Capsicum / parasitology; Diptera / parasitology; Food Chain; Insecticides; Larva / parasitology; Texas
TL;DR: Novaluron was the most effective insecticide and lambda-cyhalothrin showed resurgence in leafminer density in fall 2007 and no reduction in spring 2008, and other compounds varied in efficacy. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: July 28, 2019

2010 chapter

Hymenopteran Parasitoids and Their Role in Biological Control of Vegetable Liriomyza Leafminers

In Recent advances in entomological research (pp. 228–243). Higher Education Press.

By: T. Liu, L. Kang, Z. Lei & R. Hernández

Source: NC State University Libraries
Added: July 28, 2019

2010 journal article

Liriomyza(Diptera: Agromyzidae) and Parasitoid Species on Pepper in the Lower Rio Grande Valley of Texas

Southwestern Entomologist, 35(1), 33–43.

By: R. Hernández*, M. Harris*, K. Crosby* & T. Liu*

TL;DR: Liriomyza trifolii (Burgess) was the dominant species in peppers in the Lower Rio Grande Valley, accounting for 99% of the specimens identified, and 20 species of parasitoids from four families were found to be associated with L. tr ifolii. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: July 28, 2019

2007 journal article

Comparative transcript profiling in roots of Phaseolus acutifolius and P. vulgaris under water deficit stress

Plant Science.

Ricardo Hernandez

author keywords: common bean; drought; macroarrays; microarrays; tepary bean
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Source: ORCID
Added: July 28, 2020

2007 journal article

Comparative transcript profiling in roots of Phaseolus acutifolius and P. vulgaris under water deficit stress

Plant Science, 179(5).

By: S. Micheletto, L. Rodriguez-Uribe, R. Hernández, D. Richins, J. Curry & M. O'Connell

Source: NC State University Libraries
Added: July 11, 2019

2006 journal article

Transcripts in drought stressed tepary bean roots

GenBank DbEST.

By: R. Hernández, L. Rodriguez & M. O'Connell

Source: NC State University Libraries
Added: July 28, 2019

Employment

Updated: July 27th, 2020 13:48

2015 - present

North Carolina State University North Carolina Agricultural Research Service Raleigh, NC, US
Assistant Professor Horticultural Sciences

2013 - 2015

The University of Arizona Tucson, AZ, US
Postdoctoral Research Associate School of Plant Sciences

2010 - 2013

The University of Arizona Tucson, AZ, US
Graduate Student School Plant Sciences

2006 - 2009

Texas A&M University College Station, Texas, US
Graduate Student Entomology

2002 - 2006

New Mexico State University Las Cruces, New Mexico, US
Research Assistant Plant and Environmental Sciences

Education

Updated: July 27th, 2020 21:48

2010 - 2013

The University of Arizona Tucson, AZ, US
PhD/Plant Sciences School of Plant Sciences

2010 - 2013

The University of Arizona Tucson, AZ, US
Minor/Biosystems Engineering Agricultural and Biosystems Engineering

2012 - 2013

The University of Arizona Tucson, AZ, US
Doctoral Minor/Entrepreneurship Eller college of management

2006 - 2009

Texas A&M University College Station, Texas, US
MS/Entomology Entomology

2002 - 2006

New Mexico State University Las Cruces, New Mexico, US
BS/Agronomy Plant Environmental Sciences

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