Genetics Genomics And Breeding Of Peppers And Eggplants
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Genetics, Genomics and Breeding of Peppers and Eggplants
Peppers and eggplants are two leading vegetable crops produced and consumed worldwide. To facilitate the breeding for agronomical traits such as disease resistance and quality, diverse molecular genetic studies have been carried out. Recent achievements on pepper genome sequencing and trait-linked marker development have enabled the cloning of genes involved in useful traits. This book explores the agronomical and evolutionary characteristics of peppers and eggplants and the results of molecular genetic studies. Topics include molecular linkage maps and candidate gene approaches in capsicum and the structure of the pepper genome.
Capsicum
Capsicum, more commonly as chili or chili pepper, is an important global vegetable and spice crop. Anthracnose disease, caused by a complex of Colletotrichum species, is the major biotic stress limiting chili production in tropical and subtropical countries. Anthracnose disease mainly manifests itself as a post-harvest disease, resulting in large necrotic lesions on the fruit. This disease is mainly controlled by the application of a "cocktail" of fungicides as commercial resistant cultivars are not available. In recent years, insights into the complexity of the pathogen and the genomics of the host have been accomplished using cutting-edge molecular technologies. The author has been at the forefront of this technology revolution in Capsicum breeding through her research to understand the host and pathogen which has led to the development of new anthracnose resistant genotypes. Capsicum: Breeding Strategies for Anthracnose Resistance is structured based on a review of the origin and evolution of Capsicum, Capsicum genetic diversity and germplasm resources, the latest research in the biology and taxonomy of Colletotrichum pathogens of Capsicum, and the classic and molecular breeding for resistance in Capsicum to the suite of Colletotrichum pathogens that infect Capsicum globally. This book brings together knowledge on both the pathogen and the host, which is often overlooked when reviewing the breeding and genetics of a crop plant. It informs the facts behind breeding for resistance from both the host and pathogen perspectives.
Advanced Crop Improvement, Volume 2
As per the reports of FAO, the human population will rise to 9 billion by the end of 2050 and 70% of more food must be produced over the next three decades to feed the additional population. The breeding approaches for crop improvement programs are dependent on the availability and accessibility of genetic variation, either spontaneous or induced by the mutagens. Plant breeders, agronomists, and geneticists are under constant pressure to expand food production by employing innovative breeding strategies to enhance yield, adaptability, nutrition, resistance to biotic and abiotic stresses. In conventional breeding approaches, introgression of genes in crop varieties is laborious and time-consuming. Nowadays, new innovative plant breeding techniques such as molecular breeding and plant biotechnology, supplement the traditional breeding approaches to achieve the desired goals of enhanced food production. With the advent of recent molecular tools like genomics, transgenics, molecular marker-assisted back-crossing, TILLING, Eco-TILLING, gene editing, CRISPR CAS, non-targeted protein abundant comparative proteomics, genome wide association studies have made possible mapping of important QTLs, insertion of transgenes, reduction of linkage drags, and manipulation of genome. In general, conventional and modern plant breeding approaches would be strategically ideal for developing new elite crop varieties to meet the feeding requirement of the increasing world population. This book highlights the latest progress in the field of plant breeding, and their applicability in crop improvement. The basic concept of this 2-volume work is to assess the use of modern breeding strategies in supplementing the conventional breeding toward the development of elite crop varieties, for obtaining desired goals of food production.