Percorrer por autor "Rubiales, Diego"
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- Challenges in pea breeding for tolerance to drought: status and prospectsPublication . Bagheri, Maryam; Santos, Carla S.; Rubiales, Diego; Vasconcelos, Marta W.Drought is increasingly frequent in the context of climate change and is considered a major constraint for crop yield. Water scarcity can impair growth, disturb plant water relations, and reduce water use efficiency. Pea (Pisum sativum) is a temperate grain legume rich in protein, fiber, micronutrients, and bioactive compounds that can benefit human health. In reducing pea yield due to drought, the intensity and duration of stress are critical. This review describes several drought resistance mechanisms in pea based on morphology, physiology, and biochemical changes during/after the water deficit period. Drought tolerance of pea can be managed by adopting strategies such as screening, breeding, and marker-assisted selection. Therefore, various biotechnological approaches have led to the development of drought-tolerant pea cultivars. Finally, the main objective of the current research is to point out some useful traits for drought tolerance in peas and also, mention the methods that can be useful for future studies and breeding programmes.
- Establishing the effects of climate and soil on the nutritional composition of an array of faba bean varieties grown in two different zones of Andalusia, SpainPublication . Osorio, Jazmín; Fortunato, Gianuario; Barilli, Eleonora; Rubiales, Diego; Pinto, Elisabete; Vasconcelos, Marta W.Legumes contribute to sustainable agriculture by reducing fertilizer use, enhancing nitrogen fixation, and with high species diversity (~20,000 species). Spain is a leading EU producer, yielding up to 30,000 tons of different legume varieties annually. The Mediterranean climate, particularly in regions like Andalusia, is under increasing pressure from climate change, with extreme temperature variations and drought becoming more frequent. While these changes may jeopardize crop yields, limited information is available on their effects on the nutritional profile of legumes. From 2017 to 2019, six faba bean (Vicia faba) varieties were monitored in two climatically distinct areas of Andalusia to assess the impact of temperature (T) and rainfall (R) on key nutrients and bioactive compounds, including protein, minerals (K, Ca, Mg, Zn, P, Fe, Mn, B), total polyphenol content (TPC), tannins (TA), and saponins (S). Spearman correlations showed that higher T negatively impacted TPC (r = ?0.40) and Mg (r = ?0.33), while positively influencing Zn (r = 0.27) and Ca (r = 0.22). Rainfall increased TPC and Mg but reduced TA, Zn, and Ca. Canonical correspondence analysis (CCA) and PERMANOVA (p < 0.001) confirmed T, R, and yield as significant factors. These insights support breeding strategies for climate-adapted, nutrient-rich faba beans and the development of more resilient food systems.
- Genome-wide association studies of mineral content in peaPublication . Bagheri, Maryam; Santos, Carla S.; Rubiales, Diego; Wohor, Osman Zakaria; Vasconcelos, Marta W.Pea (Pisum sativum) is a nutrient-rich crop that provides essential minerals like phosphorus, calcium, magnesium, and iron, supporting human health. Improving its mineral content through genetics can boost its nutritional value and help combat micronutrient deficiencies. This study aimed to investigate the genetic basis of mineral accumulation in pea seeds using a genomewide association study (GWAS). The analysis was conducted on 324 diverse, previously genotyped Pisum accessions, including P. sativum, P. fulvum, P. abyssinicum, and several P. sativum subspecies.
- High-throughput phenotyping of pea physiological traits for drought stress tolerancePublication . Bagheri, Maryam; Temme, Andries; Zedde, Rick van de; Rubiales, Diego; Santos, Carla S.; Vasconcelos, Marta W.
- Influence of planting location and growing season on the nutritional quality of lupinPublication . Osorio Pérez, Jazmín; Silva, Marta Nunes da; Santos, Carla Sancho dos; Rubiales, Diego; Barilli, Eleonora; Vasconcelos, Marta WiltonLupin is a highly nutritious legume crop, particularly in terms of protein, and certain accessions can accumulate up to 40% of this macronutrient. They are also rich sources of zinc (Zn), magnesium (Mg), iron (Fe), potassium (K) and calcium (Ca) along with vitamin A, B and E (Bryant et al., 2022). Nutritional quality has often been studied in germplam accessions, but environmental effects has often been neglected. This research seeks toquantify the nutrient accumulation variations that could result in lupins when altering the crop location and over two different growing seasons.
- Influence of planting location and growing season on the nutritional quality of lupinPublication . Perez, Jazmin Osorio; Silva, Marta Nunes da; Santos, Carla S.; Rubiales, Diego; Barilli, Eleonora; Vasconcelos, Marta
- Optimizing pea biomass estimation: unveiling insights from multimodal image-based phenotyping under drought conditionsPublication . Bagheri, Maryam; Lertngim, Narawitch; Driever, Steven M.; Zedde, Rick van de; Rubiales, Diego; Santos, Carla S.; Vasconcelos, Marta W.
- The importance of phenotyping legumes at multiple levels in order to mitigate climate change scenarios and help address sustainable development goalsPublication . Santos, Carla; Gomes, Ana; Pinto, Elisabete; Pimenta, Ana; Ferreira, Helena; Rubiales, Diego; Vasconcelos, Marta
- Unraveling the impact of drought stress on nutritional parameters and defense response of pea genotypesPublication . Bagheri, Maryam; Rubiales, Diego; Santos, Carla S.; Vasconcelos, Marta W.Drought stress negatively affects plant growth, triggering morphological, physiological, and biochemical changes that reduce productivity. Identifying drought-tolerant cultivars is essential for enhancing agricultural resilience and ensuring food security. This study evaluated the drought tolerance of three pea genotypes: Pisum sativum var. humile, Pisum sativum var. arvense, and a wild relative, Pisum fulvum.