Faba beans (Vicia faba L.) represent an essential source of food protein for many people in Sudan, especially those who cannot afford to buy animal meat. The demand for faba bean seeds is greatly increased in recent years, and consequently its production area was extended southward where the climate is marginally suitable. Therefore, this study was aimed to evaluate seed yield and nutritional quality of five faba bean inbred lines grown under marginal environmental conditions of Sudan. The inbred lines have considerable (P ≤ 0.05) variability in yield and yield components, and seed chemical composition. The mean carbohydrate content was very high (501.1 g kg−1) and negatively correlated with seed yield, whereas the average protein content was relatively high (253.1 g kg−1) and positively correlated with seed yield. Globulin was the significant fraction (613.5 g kg−1protein) followed by albumin (200.2 g kg−1protein). Biplot analysis indicates that inbred lines Hudeiba/93‐S5 and Ed‐damar‐S5 outscore other lines in terms of seed yield and nutritional quality. This study demonstrates that Hudeiba/93‐S5 and Ed‐damar‐S5 are useful candidates in faba bean breeding program to terminate the protein deficiency malnutrition and provide healthy and nutritious meal for people living in subtropical areas.
The regulatory mechanisms of drought and salt-associated miRNAs have not been fully understood in Sorghum bicolor. In this study, we investigated the effect of salinity stress (200 and 300 mM NaCl) and drought stress at pre-and post-flowering stages on the expression pattern of small regulatory RNAs in six Sorghum genotypes using semi-quantitative reverse transcriptase PCR (RTqPCR). The results indicated that both drought and salt stresses altered the expression pattern of miRNAs in a dose-dependent manner. However, each miRNA responded to drought and salt stress in a different pattern among the six sorghum genotypes. miR156, miR167, miR168 and miR399 give different expressions levels compared to other studied miRNAs which may attribute to the adaption of sorghum to drought and salt stress and are good candidates for improving sorghum by transgenic technology.
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