Progress and Innovations in Breeding Objectives and Technologies for Solanaceae Crops Production—2nd Edition

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Crop Breeding and Genetics".

Deadline for manuscript submissions: 16 November 2026 | Viewed by 1019

Special Issue Editors


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Guest Editor
Center for Agricultural Sciences, Federal University of Paraíba (UFPB), Areia, PB 58397-000, Brazil
Interests: pepper breeding; quantitative genetics; ornamental plants
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Guest Editor
Center for Agricultural Sciences, Federal University of Viçosa, Viçosa, MG 36570-900, Brazil
Interests: post-harvest; vegetable breeding; molecular biology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

During the growth of Solanaceae crops, environmental stress and the invasion of pests and diseases seriously threaten fruit yield and quality. At the same time, restrictions on crop varieties such as potatoes, tomatoes, petunias, eggplants, and peppers, as well as excessive pesticide spraying, have further hindered the development of Solanaceous crops.

Thus, it is crucial to propose new breeding targets and select high-quality varieties of Solanaceae crops. The combination of “omics” technologies such as genomics and proteomics with modern sequencing technology has greatly helped in the discovery of high-quality genes of Solanaceae crops. In addition, as biotechnology and traditional breeding approaches are now being combined, new opportunities have opened up for the verification of gene function and the development of high-quality varieties.

This Special Issue aims to disseminate the latest advancements in breeding objectives and technologies for Solanaceae crops globally, encompassing a wide range of topics, including but not limited to Solanaceae crops, breeding objectives, breeding technology, fruit quality, high-quality genes, crop phenotype, and premium variety. Researchers are invited to submit original papers, communications and reviews highlighting their exploration of breeding targets in crops such as tomatoes and peppers, as well as the development of breeding technologies.

Dr. Elizanilda Ramalho do Rêgo
Dr. Fernando Finger
Guest Editors

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Keywords

  • Solanaceae crops
  • breeding objectives
  • breeding technology
  • fruit quality
  • high-quality genes
  • crop phenotype
  • premium variety

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Published Papers (1 paper)

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Research

16 pages, 8738 KB  
Article
Genotype by Environment Interaction and Selection for Ethylene Insensitivity in Ornamental Pepper Elite Lines (Capsicum annuum L.)
by Elizanilda Ramalho do Rêgo, Ruan dos Santos Silva, Angela Maria dos Santos Pessoa, Eliane Cristina Arcelino, Adriele Carlos Diniz, Fernando Luiz Finger and Mailson Monteiro do Rêgo
Agronomy 2026, 16(4), 421; https://doi.org/10.3390/agronomy16040421 - 9 Feb 2026
Viewed by 522
Abstract
Capsicum species are important ornamental plants used as potted plants. Exposure to ethylene causes chlorophyll degradation and leaf and fruit abscission in ornamental peppers, resulting in a loss of their commercial value. The aim of this study was to evaluate pepper elite lines [...] Read more.
Capsicum species are important ornamental plants used as potted plants. Exposure to ethylene causes chlorophyll degradation and leaf and fruit abscission in ornamental peppers, resulting in a loss of their commercial value. The aim of this study was to evaluate pepper elite lines (C. annuum L.) to select ethylene-insensitive individuals with phenotypic stability. The experimental design used was entirely randomized, with 40 treatments × 3 days and ×2 years, following a split-split plot arrangement. The evaluated variables were leaves and fruit abscission, and chlorophyll a and b loss, expressed in percentages. The data were subjected to analysis of variance. The means were grouped by Scott–Knott criteria (p ≤ 0.01). Correlation and heritability were also estimated. The treatments were grouped using the Tocher method based on Mahalanobis-D2 distance. A selection index was applied on lower genetic values for all evaluated variables. Through two-year replicated experiments, 12 ethylene-insensitive and phenotypically stable elite lines were identified and can be registered as new ethylene-insensitive cultivars. This fact confirms the efficiency of the selection applied along the years of breeding ethylene-insensitive lines using the pedigree method. Consequently, these elite lines are key genetic resources and suitable crossing material for breeding to improve the vase life of ornamental peppers. Full article
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