Enhancing Disease Resistance and Crop Quality through Innovative Breeding Approaches

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Genetics, Genomics, Breeding, and Biotechnology (G2B2)".

Deadline for manuscript submissions: closed (30 June 2024) | Viewed by 3474

Special Issue Editors


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Guest Editor
Department of Plant Pathology, Washington State University, Pullman, WA 99164, USA
Interests: potato-nematode interactions; nematode resistance; plant breeding

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Guest Editor
Department of Botany, University of Delhi, Delhi 110007, India
Interests: cytogenetics; ploidy; ITS (internal transcribed spacer) and nrDNA and RFLP studies; nuclear rDNA probe; plant genomics

Special Issue Information

Dear Colleagues,

Horticulturae is launching a Special Issue that calls for manuscript submissions covering topics related to “Enhancing Disease Resistance and Crop Quality through Innovative Breeding Approaches”.

With the increase in the global population, breeders are challenged to develop improved crop varieties that could combat the growing food demand. One of the major hurdles in achieving food security is the extensive crop losses due to plant diseases caused by pests and pathogens. With the growing concern of environmental and human health risks posed by the extensive use of chemicals to control plant pests and pathogens, breeding crop varieties with natural resistance has gained much attention. Although conventional breeding is the backbone of crop domestication and improvement, it is a very long and tedious process. The advancements and affordability of sequencing technology and bioinformatic approaches warrant enhancements in applying breeding strategies for crop improvement. 

This Special Issue invites research articles, short communications, novel protocols/methods, data analysis pipelines or packages and review articles addressing the utilization and advancement of Breeding Strategies and Bioinformatic Tools for Improving Disease Resistance and Crop Quality in all the major crops of the world.

Dr. Sapinder Bali
Dr. Shailendra Goel
Guest Editors

Manuscript Submission Information

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Keywords

  • plant breeding
  • bioinformatic tools
  • disease resistance
  • food security

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Published Papers (2 papers)

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Research

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15 pages, 1739 KiB  
Article
Assessing Elemental Diversity in Edible-Podded Peas: A Comparative Study of Pisum sativum L. var. macrocarpon and var. saccharatum through Principal Component Analysis, Correlation, and Cluster Analysis
by Saurabh Yadav, Rajinder Kumar Dhall, Hira Singh, Parteek Kumar, Dharminder Bhatia, Priyanka Kumari and Neha Rana
Horticulturae 2024, 10(8), 890; https://doi.org/10.3390/horticulturae10080890 - 22 Aug 2024
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Abstract
This study assessed eleven elements in 24 edible-podded peas, including sugar snap pea and snow pea genotypes aiming to identify promising parents for nutraceutical breeding. Elemental concentrations of pods (dry weight basis) were estimated through inductively coupled plasma-optical emission spectroscopy (ICP-OES). The ranges [...] Read more.
This study assessed eleven elements in 24 edible-podded peas, including sugar snap pea and snow pea genotypes aiming to identify promising parents for nutraceutical breeding. Elemental concentrations of pods (dry weight basis) were estimated through inductively coupled plasma-optical emission spectroscopy (ICP-OES). The ranges for these elements varied significantly, highlighting the diverse elemental profiles within the edible-podded pea genotypes. All the elements exhibited a high genotypic and phenotypic coefficient of variation along with considerable heritability and hereditary progress. Positive and significant correlations were recorded among all elements, suggesting the potential for simultaneous selection for these traits. Principal component analysis (PCA) revealed that the first two components accounted for 80.56% of the variation. Further, cluster analysis, based on Euclidean distance, grouped the 24 cultivars into two major clusters. Cluster I exhibited higher means for all estimated concentrations compared to Cluster II. Notably, Dwarf Grey Sugar and Arka Sampoorna from the snap pea group and PED-21-5 and Sugar Snappy from the sugar snap pea in Cluster II demonstrated superior elemental concentration in whole pods. The selected edible-podded pea genotypes serve as valuable genetic resources for new cultivar development, particularly in biofortification efforts targeting whole pod nutrient composition. Full article
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Review

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17 pages, 2928 KiB  
Review
Powdery Mildew of Bigleaf Hydrangea: Biology, Control, and Breeding Strategies for Resistance
by Christina Jennings, Fulya Baysal-Gurel and Lisa W. Alexander
Horticulturae 2024, 10(3), 216; https://doi.org/10.3390/horticulturae10030216 - 24 Feb 2024
Cited by 1 | Viewed by 1899
Abstract
Hydrangea macrophylla, commonly known as bigleaf, garden, French, or florist hydrangea, is the most economically important member of the Hydrangea genus, with a breeding history spanning hundreds of years. Bigleaf hydrangea breeding improvement has largely focused on aesthetic traits and there are [...] Read more.
Hydrangea macrophylla, commonly known as bigleaf, garden, French, or florist hydrangea, is the most economically important member of the Hydrangea genus, with a breeding history spanning hundreds of years. Bigleaf hydrangea breeding improvement has largely focused on aesthetic traits and there are few varieties tolerant or resistant to major diseases such as powdery mildew. Powdery mildew is an obligate biotrophic Ascomycete in the order Erysiphales represented by approximately 900 species worldwide. The disease-causing agent in hydrangeas is Golovinomyces orontii (formerly Erysiphe polygoni DC), which tarnishes the beauty, growth, and salability of bigleaf hydrangea plants, especially those packed closely in production environments. Chemical or biological control is commonly used in production. A recently published haplotype-resolved genome of bigleaf hydrangea enables targeted analyses and breeding techniques for powdery mildew resistance. Analyzing transcriptomes of tolerant and susceptible hydrangeas through RNA sequencing will lead to the identification of differentially expressed genes and/or pathways. Concurrent application of marker-assisted selection, genetic transformation, and gene editing will contribute to the development of powdery-mildew-resistant varieties of bigleaf hydrangea. The aim of this review is to give a general overview of powdery mildew, its impact on bigleaf hydrangea, current control methods, molecular mechanisms, and breeding prospects for powdery mildew resistance in bigleaf hydrangea. Full article
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