Characterisation, Protection and Development of Minor Crops Adapted to Challenging New Climatic Conditions

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

Deadline for manuscript submissions: closed (30 September 2024) | Viewed by 1336

Special Issue Editors


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Guest Editor
Mediterranean Agroforestry Institute, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
Interests: plant ecology; abiotic stress responses; ecology of seed germination; halophytes; stress-tolerant crops
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Guest Editor
Institute for Conservation and Improvement of Valencian Agrodiversity, Universitat Politècnica de València, Camí de Vera 14, 46022 Valencia, Spain
Interests: breeding for quality; abiotic stress breeding; genetic diversity; phenomics; introgression breeding
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Institute for the Conservation and Improvement of Valencian Agrodiversity (COMAV), Universitat Politècnica de València, Camino de Vera 14, 46022 Valencia, Spain
Interests: climate change; plant biotechnology; plant reproduction; abiotic stress; plant stress physiology; halophytes; drought; salinity; stress tolerance; biostimulants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Current agriculture and food production worldwide is based on the commercial cultivation of a relatively low number of cultivars of a few plant species, which have been bred for improved yields under optimal growing conditions. Therefore, achieving high productivity also requires high inputs (chemical fertilisers, herbicides, pesticides) and, in many cases, irrigation. These cultivars are generally sensitive to abiotic stress factors, such as high temperatures, drought or salinity. Current environmental conditions, driven by climate change—or, rather, the climate emergency—demand urgent action, as yields of our major crops are declining in many parts of the world.

Despite some promising results, the biotechnological improvement of the abiotic stress tolerance of major commercial crops through classical breeding, genetic transformation and/or genome editing will take time. However, many other “minor” crops or cultivars, which have been neglected for producing lower yields, may be better adapted to more stressful local conditions and could be cultivated on a larger scale, helping to increase global crop yields under present and foreseeable climatic conditions. 

This Special Issue welcomes original research papers, review and mini-review articles or opinion papers on the characterisation of minor crops, their responses to environmental stress factors, using breeding to improve agronomic traits, protection, in situ and ex situ conservation and related topics.

“Minor crops” are considered in a broad sense: food and non-food crops cultivated on a small scale, landraces, varieties/cultivars of major crops grown locally or stored in seed banks, crops introduced in new areas but cultivated on a large scale elsewhere and wild species candidates for cultivation as cash crops are all considered in this Special Issue.

Prof. Dr. Monica Boscaiu
Prof. Dr. Mariola Plazas
Prof. Dr. Oscar Vicente
Guest Editors

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Keywords

  • minor crops
  • abiotic stress tolerance
  • seedbanks
  • genetic characterization
  • breeding
  • germplasm resources

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Published Papers (1 paper)

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Research

15 pages, 2293 KiB  
Article
Tuber Development and Tuber Yield Potential of Winged Bean (Psophocarpus tetragonolobus (L.) DC.), an Alternative Crop for Animal Feed
by Teppratan Rakvong, Tidarat Monkham, Jirawat Sanitchon and Sompong Chankaew
Agronomy 2024, 14(7), 1433; https://doi.org/10.3390/agronomy14071433 - 30 Jun 2024
Viewed by 864
Abstract
The winged bean is only one of the members of the leguminous species that has the potential for duo-purpose for its pod and tuber yields. The protein and nutritional content in the tuber can be used as alternative crops for animal feed. Previous [...] Read more.
The winged bean is only one of the members of the leguminous species that has the potential for duo-purpose for its pod and tuber yields. The protein and nutritional content in the tuber can be used as alternative crops for animal feed. Previous studies identified the winged bean varieties as having high potential for tuber production, although their tuber development remains unclear. This study aims to elucidate the development of winged bean tubers based on their size and weight during eight months of growth. Tuber yields of high-potential winged bean varieties (W018 and W099) were compared to commercial varieties (Ratchaburi) under field conditions over two years. The experiments were laid out in randomized complete block design with three replications in the 2021–2022 and 2022–2023 growing seasons. The tuber formation of winged bean exhibited a significant increase in tuber weight and size in the fourth month of growth in all varieties, with a gradual change from fibrous roots to tubers. Particularly in the W018 and W099 varieties, tuber development persisted up to eight months after transplanting. On the other hand, the Ratchaburi variety had small tuber size, resulting in the tubers weighing less than in the W018 and W099 varieties. The results indicated that winged bean varieties had different tuber development, with the W018 and W099 varieties being suitable for tuber harvesting at eight months. The large tuber size can be an appropriate alternative to animal feed materials. At the same time, the Ratchaburi variety requires only five months since it is cultivated primarily for tuber consumption, which is concerned with size and shape. Moreover, the yields of the W018 and W099 varieties were significantly higher compared to Ratchaburi at 22.4, 19.3, and 7.423 T/ha in the 2021–2022 growing season and 8.4, 7.9, and 5.6 T/ha in the growing season of 2022–2023, respectively. The protein content in the winged bean tubers increased to 13.00% at eight months. The years (Y) and genotypes (G) differed considerably for tuber formation. The variation in both Y and G and the shoot/root ratio are also discussed in this study. Full article
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