Physiology and Seedling Production of Plants

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Physiology and Metabolism".

Deadline for manuscript submissions: 15 May 2025 | Viewed by 1699

Special Issue Editors


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Guest Editor
Faculty of Agrarian Science, Federal University of Grande Dourados, Dourados 7984970, Brazil
Interests: plant physiology; ecophysiology
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Guest Editor
Federal Institute of Mato Grosso do Sul, Nova Andradina 79750-000, Brazil
Interests: agronomic biofortification; phosphorus use efficiency; nutritional quality of edible crops; toxic elements into the food chain
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Special Issue Information

Dear Colleagues,

Climate change has caused changes in the frequency and severity of rainfall, leading to prolonged periods of drought, extreme rainfall, and temperature rises, and, associated with human actions, has aggravated soil salinization in some regions. Furthermore, it is also important to be aware of the occurrence of constant fire, which destroys forests and agricultural areas. Considering this scenario, this Special Issue, "Physiology and Seedling Production of Plants", aims to disseminate information, in the form of articles or reviews, on the physiological and nutritional management of the production of seedlings from cultivated plants, fruit trees, and trees, as well as their survival and growth responses with regards to adverse environmental factors. In this context, we hope to present plant responses to physiological and nutritional management that contribute to the tolerance or adjustment of seedlings cultivated in different environmental conditions, in addition to antioxidant protection responses or adjustments to different environments that can be induced by antioxidant agents, bioregulators, and biofortification, among other strategies. Finally, we hope to present perspectives on the use of bioregulators and biofortification in relation to seedling survival, growth, and establishment. We hope that the articles published on this topic can contribute to the conservation of biodiversity and natural resources, ensuring the sustainable exploration, development, and productivity of plants.

- Physiological and growth responses of plants to different environments;

- Water and thermal stress, heavy metals, and soil salinity, on crops and tree species, among others;

- The use of bioregulators, biofortification, elicitors, and beneficial elements;

- Protected cultivation;

- Antioxidant metabolism;

- Mineral and photosynthetic metabolism;

- Protective responses, adjustments, and resilience to adverse environments;

- Productivity.

Dr. Silvana de Paula Quintão Scalon
Prof. Dr. Elcio Ferreira Dos Santos
Guest Editors

Manuscript Submission Information

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Keywords

  • adverse environmental effects
  • antioxidant metabolism
  • bioregulators
  • biofortification
  • elicitors
  • silicon
  • seaweed extract

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Published Papers (2 papers)

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Research

12 pages, 2216 KiB  
Article
Plant Density and Location: Optimization of Growth and Quality of Cut Sunflower in Tropical and Subtropical Environments
by Tuane Carlesso Tomasi, Lucas Coutinho Reis, Tiago Ledesma Taira, Jackeline Schultz Soares, Regina Tomiozzo, Lilian Osmari Uhlmann, Nereu Augusto Streck and José Carlos Sorgato
Plants 2024, 13(19), 2810; https://doi.org/10.3390/plants13192810 - 8 Oct 2024
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Abstract
The cultivation of sunflower (Helianthus annuus L.) as a cut flower stands out in floriculture due to its aesthetic beauty and commercial value. Understanding how cut sunflower genotypes adapt to different edaphoclimatic regions and management practices is essential to optimize flower quality [...] Read more.
The cultivation of sunflower (Helianthus annuus L.) as a cut flower stands out in floriculture due to its aesthetic beauty and commercial value. Understanding how cut sunflower genotypes adapt to different edaphoclimatic regions and management practices is essential to optimize flower quality and productivity. This study aimed to evaluate the effect of plant density and location on the development, growth, and quality of cut sunflower in tropical and subtropical environments. Plant densities of 10, 20, 30, 40, and 50 plants/m2 were evaluated in tropical climate and subtropical climate using a randomized block design in a factorial scheme. Results showed significant differences between locations for plant height, capitulum and stem diameter, final number of leaves, leaf area, leaf area index, phyllochron, and the developmental cycle. Plant density significantly influenced these variables except for plant height and developmental cycle. The interaction between location and plant density was significant only for capitulum diameter and final leaf number. The findings indicate that both planting density and location significantly influence the developmental cycle of cut sunflowers, with lower densities favoring more robust plants at harvest. A density of 30 plants/m2 is recommended for efficient space use without significantly compromising floral stem quality. All produced stems are marketable, suggesting that adjusting planting density can optimize production without compromising quality, adapting to specific regional conditions. Full article
(This article belongs to the Special Issue Physiology and Seedling Production of Plants)
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16 pages, 1741 KiB  
Article
Water-Light Interaction and Its Effect on the Morphophysiology of Cedrela fissilis Vell. Seedlings
by Juliana Milene Silverio, Silvana de Paula Quintão Scalon, Cleberton Correia Santos, Jéssica Aline Linné, Anderson dos Santos Dias, Rodrigo da Silva Bernardes and Thaise Dantas
Plants 2024, 13(18), 2654; https://doi.org/10.3390/plants13182654 - 22 Sep 2024
Viewed by 607
Abstract
Plant responses to different light and water availability are variable among species and their respective phenotypic plasticity, and the combination between these two abiotic factors can alleviate or intensify stressful effects. This study aimed to evaluate the impacts of exposure time of Cedrela [...] Read more.
Plant responses to different light and water availability are variable among species and their respective phenotypic plasticity, and the combination between these two abiotic factors can alleviate or intensify stressful effects. This study aimed to evaluate the impacts of exposure time of Cedrela fissilis Vell. seedlings to different water and light availability considering natural radiation variations and the interaction of these factors. Seedlings were submitted to combinations of three shading levels—SH (0, 30 and 70%) and three water regimes based on the water holding capacity (WHC) in the substrate, constituting nine cultivation conditions: T1—0% SH + 40% WHC; T2—0% SH + 70% WHC; T3—0% SH + 100% WHC; T4—30% SH + 40% WHC; T5—30% SH + 70% WHC; T6—30% SH + 100% WHC; T7—70% SH + 40% WHC; T8—70% SH + 70% WHC; T9—70% SH + 100% WHC. C. fissilis seedlings are sensitive to water deficit, here represented by 40% WHC, regardless of exposure time, and when cultivated in full sun even though there are variations in radiation, the stressful effects were enhanced, acting in a synergistic manner. The condition that provided better gas exchange performance and greater total dry mass accumulation for C. fissilis seedlings was 30% shading combined with 100% WHC. C. fissilis seedlings have physiological plasticity and resilience to survive under different water and light conditions. Full article
(This article belongs to the Special Issue Physiology and Seedling Production of Plants)
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