Effects of Biostimulants on the Growth and Development of Horticultural Crops

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Biotic and Abiotic Stress".

Deadline for manuscript submissions: 10 January 2025 | Viewed by 572

Special Issue Editors


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Guest Editor
1. Departamento de Ciencias Agropecuarias y Acuícolas, Facultad de Recursos Naturales, Universidad Católica de Temuco, P.O. Box 15-D, Temuco, Chile
2. Núcleo de Investigación en Producción Alimentaria, Facultad de Recursos Naturales, Universidad Católica de Temuco, P.O. Box 15-D, Temuco, Chile
Interests: plant physiology and molecular biology; mechanisms of resistance in plants to different abiotic stresses; plant hormones

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Guest Editor
Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus (BIOREN-UFRO), Universidad de La Frontera, Temuco P.O. Box 54-D, Chile
Interests: abiotic stress; ecophysiology; molecular biology; phytohormones; plant physiology
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Special Issue Information

Dear Colleagues,

One of the primary challenges faced by the agriculture sector is enhancing food production to feed more than 9 billion people by 2050, while reducing the negative impacts on agroecosystems and contributing to sustainable agriculture. Thus, bioestimulants have become a promising agronomic tool and are widely considered a sustainable agricultural practice, with the ability to enhance the growth, yield and stress tolerance of plants, and improve the quality of food. However, more studies focused on horticultural crops under field conditions are needed.

Thus, the aim of this Special Issue of Horticulturae, entitled “Effects of Biostimulants on the Growth and Development of Horticultural Crops”, is to present advances regarding biostimulants and their effects on horticultural crops, as well as their contribution to sustainable agriculture. Biostimulants include substances and microorganisms (plant hormones, nanoparticles, microbial bioinoculants, humic acids, amino acids, seaweed extracts, and new ones) that improve the production of horticultural crops by upgrading the physiology and/or metabolic routes of plants, improving their nutrient uptake, and enhancing their tolerance to biotic and abiotic stress.

Dr. Jorge González-Villagra
Dr. Marjorie Reyes-Díaz
Guest Editors

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Keywords

  • plant hormones
  • sustainable agriculture
  • plant physiology
  • tolerance to biotic and abiotic stresses

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Published Papers (1 paper)

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Research

18 pages, 6488 KiB  
Article
The Effect of Humic-Based Biostimulants on the Yield and Quality Parameters of Chili Peppers
by Ivana Mezeyová, Ivana Kollárová, Marcel Golian, Július Árvay, Ján Mezey, Miroslav Šlosár, Lucia Galovičová, Robert Rosa, Martin Bakalár and Tereza Horečná
Horticulturae 2024, 10(9), 998; https://doi.org/10.3390/horticulturae10090998 - 20 Sep 2024
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Abstract
Chili peppers are globally cultivated for their rich bioactive compound profile. This study investigates the impact of two biostimulants, Humix® and Energen, on Capsicum chinense ‘Habanero Orange’ and Capsicum annuum ‘Kristian’, focusing on quantitative and qualitative parameters. Conducted over two years with [...] Read more.
Chili peppers are globally cultivated for their rich bioactive compound profile. This study investigates the impact of two biostimulants, Humix® and Energen, on Capsicum chinense ‘Habanero Orange’ and Capsicum annuum ‘Kristian’, focusing on quantitative and qualitative parameters. Conducted over two years with three annual harvests, the research assesses the effects of biostimulant application on yield, fresh fruit number, fruit weight, drying ratio, capsaicin, dihydrocapsaicin, and ascorbic acid content (via HPLC-DAD analysis), as well as carotenoid levels (via spectrophotometric analysis). Biostimulant application significantly increased (p ≤ 0.05) total yields and capsaicin levels. Harvest timing also influenced dihydrocapsaicin and capsaicin levels, with the third harvest showing the highest values (p ≤ 0.001). The effects on ascorbic acid and carotenoids were variable and depended on genotype, harvest, and treatment. Thus, our study provides insights into the dynamic responses of Capsicum species to biostimulants under variable climatic conditions, contributing new knowledge to agricultural practices and the scientific understanding of biostimulant effects in Capsicum production. Full article
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