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Advances in Summer Squash (Cucurbita pepo L.) Molecular Breeding Strategies

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Smart Plant Breeding for Vegetable Crops in Post-genomics Era

Abstract

Summer squash (Cucurbita pepo L.) is a self-pollinated crop belonging to Cucurbitaceae. It is an annual crop that is grownup in tropical and subtropical areas. It is one of the most vital and economical vegetables in cultivation. Globally, squash is used as food and medicine for the presence of vitamins and antioxidants. C. pepo plants vary in shape, color and size, with several varieties and landraces. There are many types of Cucurbita species with diverse genomes and chromosome numbers. The number of summer squash chromosomes (2n) ranges from 40 to 48. Squash harbors a great diversity dependent on ploidy, regional and morphological characteristics. The introduction of new alleles through the crossing of different genetic resources for the C. pepo, for example, crossing common genotypes with locally developed genotypes with those developed locally increases genetic diversity and the preselection of characteristics of interest. A fair natural variability in the degree of phenotypes must be ensured. The main targets of squash breeders and geneticists are to enhance various desirable morphological characteristics, including tolerance to biotic and abiotic stress and crop characteristics. Achieving these targets can be comforted by using modern genomics methods to enhance the traditional breeding program. This chapter provides an outline of the shortcomings of the summer squash origin and historical background, botanical description, economic and health importance, photochemistry, cultivation requirements, biodiversity and conservation of germplasm, cytogenetics, aims and stages of squash breeding programs and traditional approaches of breeding. Additionally, it discusses new plant breeding methods involving marker-assisted breeding and genetic engineering.

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Authors and Affiliations

  1. Plant Protection and Biomolecular Diagnosis Department, Arid Lands Cultivation Research Institute, Alexandria, Egypt

    Amira A. Ibrahim

  2. Department of Plant Biotechnology, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City, Sadat City, Egypt

    Khaled F. M. Salem

  3. Department of Biology, College of Science and Humanitarian Studies, Shaqra University, Qwaieah, Saudi Arabia

    Khaled F. M. Salem

  4. Biology Department, Faculty of Arts and Science, Northern Border University, Rafha, Saudi Arabia

    Mohamed A. Abdein

  5. Vegetables Breeding Department, Horticulture Research Institute, (HRI), Agricultural Research Center (ARC), Ministry of Agriculture and Land Reclamation, Giza, Egypt

    Mohamed A. Abdein

  6. Botany Department, Faculty of Science, Mansoura University, Mansoura, Egypt

    Samah M. Ramadan

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  1. Amira A. Ibrahim
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  2. Khaled F. M. Salem
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  3. Mohamed A. Abdein
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  4. Samah M. Ramadan
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Corresponding author

Correspondence to Khaled F. M. Salem .

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Editors and Affiliations

  1. Department of Vegetable Science, Rani Lakshmi Bai Central Agricultural University, Jhansi, India

    Saurabh Singh

  2. Crop Improvement Division, Vivekananda Parvatiya Krishi Anusandhan Sansthan, Almora, Uttarakhand, India

    Devender Sharma

  3. Plant Pathology, ICAR Research Complex for NEH Region, Imphal, India

    Susheel Kumar Sharma

  4. Division of Crop Improvement and Seed Technology, ICAR-Central Potato Research Institute, Shimla, India

    Rajender Singh

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Ibrahim, A.A., Salem, K.F.M., Abdein, M.A., Ramadan, S.M. (2023). Advances in Summer Squash (Cucurbita pepo L.) Molecular Breeding Strategies. In: Singh, S., Sharma, D., Sharma, S.K., Singh, R. (eds) Smart Plant Breeding for Vegetable Crops in Post-genomics Era . Springer, Singapore. https://doi.org/10.1007/978-981-19-5367-5_8

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