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Horticulturae
Special Issues
Light Management for Ornamental Plants
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Light Management for Ornamental Plants

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Protected Culture".

Deadline for manuscript submissions: closed (15 July 2019) | Viewed by 9774

Special Issue Editor

Dr. Amir Rezazadeh

E-Mail Website
Guest Editor
Mississippi State University, Coastal Research and Extension Center, Poplarville, MS 39470, USA
Interests: plant physiology; ornamental plants; greenhouse management; abiotic stresses; light management

Special Issue Information

Dear Colleagues,

Light is probably the most complex and variable environmental factor that influences plants. It plays an important role in supplying energy for photosynthesis and in stimulating growth, development, and phytochemical biosynthesis. A good lighting system will provide plants with the proper quantity and quality of light in a most cost-effective way. Plants display diverse responses to light by sensing and detecting its quantity, quality, direction, and duration. The manipulation of light could trigger potential benefits by enhancing plant growth and development. In recent years, interest has increased for the use of new light sources in greenhouses to regulate physiological, developmental, and morphological characteristics of ornamental plants.

This Special Issue on “Light Management for Ornamental Plants” intends to bring together academic researchers working worldwide in the broad areas of ornamental plants, promoting the discussion of ideas that will influence and encourage continuous research in light management for ornamental plants.

Dr. Amir Rezazadeh
Guest Editor

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. Horticulturae 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 2200 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

  • irradiance
  • photoperiod
  • plant flowering
  • photosynthesis

Published Papers (2 papers)

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Research

7 pages, 640 KiB  
Communication
Serianthes nelsonii Seed Germination and Seedling Behavior are Minimally Influenced by Chemical and Light Treatment
by Thomas E. Marler
Horticulturae 2019, 5(2), 31; https://doi.org/10.3390/horticulturae5020031 - 16 Apr 2019
Cited by 3 | Viewed by 3322
Abstract
The role of seed imbibition and light during germination are not known for the critically endangered Serianthes nelsonii Merr. Scarified seeds were pre-soaked in gibberellic acid (GA3) up to 300 mg/L and nitrate solutions of 3000 mg/L to determine if germination [...] Read more.
The role of seed imbibition and light during germination are not known for the critically endangered Serianthes nelsonii Merr. Scarified seeds were pre-soaked in gibberellic acid (GA3) up to 300 mg/L and nitrate solutions of 3000 mg/L to determine if germination was influenced by these treatments. Scarified and imbibed seeds were incubated in high red:far red and low red:far red light to determine the influence of light quality on germination traits. The GA3 and nitrate treatments did not influence germination percentage or timing, but did increase the height of newly emerged seedlings. Moreover, GA3 extended the longevity of cotyledons and shortened the window of time that seedlings required to resume height growth. These growth responses were not sustained, and all seedlings reached heights of 30 cm at a similar number of weeks. The light treatments did not influence any of the germination response traits. The results indicate that imbibing seeds with chemical solutions and providing light in a range of light quality treatments exerted a minimal influence on S. nelsonii seed germination behaviors. Imbibing seeds with water and germinating in darkness is sufficient for achieving the germination of this endangered tree species. Full article
(This article belongs to the Special Issue Light Management for Ornamental Plants)
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7 pages, 206 KiB  
Article
The Effect of Light Intensity and Temperature on Flowering and Morphology of Potted Red Firespike
by Amir Rezazadeh, Richard L. Harkess and Telmah Telmadarrehei
Horticulturae 2018, 4(4), 36; https://doi.org/10.3390/horticulturae4040036 - 25 Oct 2018
Cited by 25 | Viewed by 6087
Abstract
Red firespike (Odontonema strictum) is a tropical flowering plant that was selected as a potential flowering potted plant for its attractive red floral spikes. The objective of this study was to evaluate how light intensity, photoperiod, and temperature affect the growth [...] Read more.
Red firespike (Odontonema strictum) is a tropical flowering plant that was selected as a potential flowering potted plant for its attractive red floral spikes. The objective of this study was to evaluate how light intensity, photoperiod, and temperature affect the growth and flowering of firespike. In Experiment 1, plants were grown under 0%, 45%, or 65% shade and two photoperiod conditions; long-day (LD = ≥14 h) and short-day (SD = 9 h), for 16 weeks. Plants grown under 45% shade + LD were tallest at 35.9 cm, while plants grown under 65% shade + SD were shortest at 22.8 cm. During the finishing stage, the number of inflorescences increased when plants were grown under 45% shade + SD, 45% shade + LD, and no shade, with 6, 7, and 9 inflorescences, respectively. In addition, the first open flower was observed in the 0% shade group (control) 92 days after starting the experiment. The time to first open flower increased when the plants were grown under 65% shade, either under SD or LD. In Experiment 2, plants were grown in controlled environment growth chambers with average daily temperatures of 15, 25, or 35 °C and an irradiance of 200 µmol·m−2·s−1 for 9 h per day. Plants grown at 25 °C were the tallest and had the largest leaf area. Plants grown at 15 and 35 °C had 28% and 22% less leaf area, respectively. The average number of inflorescences in plants grown at 25 °C was 1.6, while no inflorescence development was observed in plants grown at 15 or 35 °C by the termination of the experiment. There were no differences between plant growth index or branch number in response to temperature. Under the experimental conditions tested, the most rapid and uniform flowering of firespike occurred when plants were grown under no shade or at 25 °C. Full article
(This article belongs to the Special Issue Light Management for Ornamental Plants)
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