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Agronomy
Special Issues
Light Environment Regulation of Crop Growth
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Light Environment Regulation of Crop Growth

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Horticultural and Floricultural Crops".

Deadline for manuscript submissions: 31 January 2025 | Viewed by 1335

Special Issue Editors

Prof. Dr. Anna Kapczyńska

E-Mail Website
Guest Editor
Department of Ornamental Plants and Garden Art, University of Agriculture in Krakow, 29-Listopada 54, 31-425 Kraków, Poland
Interests: horticulture; ornamentals; geophytes; grasses; perennials; plant production
Special Issues, Collections and Topics in MDPI journals
Dr. Jadwiga Treder

E-Mail Website
Guest Editor
The National Institute of Horticultural Research, Ul. Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland
Interests: horticulture; plant physiology; supplemental lighting; fertilization; vegetables; ornamentals; LED lighting; soilless culture; growing media; nutrient uptake; irrigation; NFT cultivation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Light and its quality strongly influence plant growth and photosynthesis, and thus affect productivity, plant shape, the colour of the leaves, and even the production of secondary metabolites. The high year-round demand for high-quality agricultural and horticultural products means that the volume of crops cultivated with supplemental lighting is constantly rising. Traditional farming is extremely climate- and location-dependent, which makes it difficult to grow food without relying on costly shipments from other regions. Lighting provided by electric lamps, especially LEDs, is increasingly being employed in the production of agricultural crops grown in controlled environments. LED technologies have opened up many new opportunities in efficient and effective spectral and intensity control that have never been seen before. The construction of modern lamps and control systems has enabled vertical farming technologies to be developed and the testing of new plant varieties in climate-controlled conditions to be undertaken. Achieving high-quantity, daylight-like, and high-quality light is among the most significant objectives in agricultural research when aiming to match plant requirements with cost-effective yields.

The main aim of this Special Issue is to gather the most recent research results related to intensive horticultural production under an optimal light environment.

Prof. Dr. Anna Kapczyńska
Dr. Jadwiga Treder
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agronomy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • supplemental lighting
  • light-emitting diodes
  • photoperiod
  • light spectra
  • DLI
  • light efficiency
  • horticultural production
  • yield quality
  • physiological light response
  • year-round cultivation
  • laser light
  • LED

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Related Special Issue

Published Papers (2 papers)

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Research

19 pages, 1811 KiB  
Article
Postharvest LED Treatment of Tomatoes Harvested at an Early Stage of Coloration
by Maria Grzegorzewska, Justyna Szwejda-Grzybowska, Monika Mieszczakowska-Frąc and Bożena Matysiak
Agronomy 2024, 14(11), 2727; https://doi.org/10.3390/agronomy14112727 - 19 Nov 2024
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Abstract
The tomato plant is one of the most important vegetable crops, with a global production of around 188 million tones. The greatest losses in quantity and quality occur during storage, transport, and sale. The aim of the study was to determine the effect [...] Read more.
The tomato plant is one of the most important vegetable crops, with a global production of around 188 million tones. The greatest losses in quantity and quality occur during storage, transport, and sale. The aim of the study was to determine the effect of irradiation on the quality and storability of the tomato ‘Tomimaru Muchoo’. Fruit harvested at the turning ripening stage were illuminated for the first two weeks at 15 °C with four visible LED light spectra, with different percentages of blue, green, and red light (BGR). The illumination times were 4 and 8 h per day (hpd). After illumination, the tomatoes were stored at 20 °C in the dark for 4 weeks. Immediately after 14 d of illumination, all tomatoes were fully ripe, although they showed varying red color intensity. In addition, all fruit retained very good quality and freshness. During further storage at 20 °C, there was a gradual decrease in tomato quality. However, LED lighting helped delay softening, reduce rotting, and thus maintain better tomato quality. Longer daily irradiation (8 h) delayed tomato senescence to a greater extent than shorter irradiation (4 hpd). Comparing the spectra, the greatest reduction in softening and rotting occurred in tomatoes illuminated with the spectrum containing the highest amount of blue light (56%). These tomatoes also maintained the lowest color index (a*/b*) throughout storage at 20 °C, which was especially evident in tomatoes that had been illuminated for 8 hpd. The light treatment influenced the maintenance of higher levels of ascorbic acid and antioxidant activity in tomatoes. However, irradiation did not increase the polyphenol content of tomatoes or reduce the lycopene levels in the fruit. Overall, the results showed that LED irradiation during storage improves storability and affects the health-promoting components of tomato fruit. It is a promising tool for reducing losses of horticultural produce. Full article
(This article belongs to the Special Issue Light Environment Regulation of Crop Growth)
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12 pages, 2831 KiB  
Article
Light Conditions and Auxin Influence the In Vitro Efficiency of Rooting and Acclimatization of Pennisetum ‘Vertigo®’
by Barbara Prokopiuk, Anna Kapczyńska and Bożena Pawłowska
Agronomy 2024, 14(10), 2203; https://doi.org/10.3390/agronomy14102203 - 25 Sep 2024
Viewed by 720
Abstract
This paper reports an efficient in vitro rooting and acclimatization method for Pennisetum ‘Vertigo®’. For that purpose, the influence of the IAA (indole-3-acetic acid) in MS (Murashige and Skoog) media, and different types of LED light (100% blue, 100% red, a [...] Read more.
This paper reports an efficient in vitro rooting and acclimatization method for Pennisetum ‘Vertigo®’. For that purpose, the influence of the IAA (indole-3-acetic acid) in MS (Murashige and Skoog) media, and different types of LED light (100% blue, 100% red, a combination of red and blue (70% + 30%), a combination of red, blue with yellow, green, or far-red (35% + 15% + 50%), and white LED) were investigated. A fluorescent lamp and a medium without auxin were used as controls. Subsequently, the plants were transferred ex vitro in trays to the greenhouse and later transplanted into pots. In all tested combinations, the shoots rooted at a high rate of 70–100% (except under blue light). The best results were obtained under white LED or the fluorescent lamp, where the highest number of roots was formed; however, IAA did not increase the rooting rate, the number, or the weight of roots. Shoots rooted under LEDs and on media containing IAA generally exhibited higher soluble sugar content compared to those rooted on auxin-free media. Consistent with the rooting results, the best acclimatization was observed in plants rooted under white LED or fluorescent light on auxin-free media. Full article
(This article belongs to the Special Issue Light Environment Regulation of Crop Growth)
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