绿豆(Vigna radiata)R. Wilczek):育种进展和未来挑战

Adarsh Kumar, P. Yadav, .. Seema, R. Kumar, A. Kushwaha, M. Rashid, N. Tarannum, S. Chakraborty
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摘要

绿豆(Vigna radiata)R. Wilczek)是一种持续时间短的暖季脉冲作物。在世界范围内,特别是在发展中国家,这种作物呈现出均衡的增长。绿豆是蛋白质的重要来源,含有较高的叶酸和铁含量,在市场上吸引了很高的需求和价格,使农民感到高兴和满意。此外,它可以通过与固氮细菌的共生来固定大气中的氮,使其成为水稻种植系统和与其他作物间作的完美选择。尽管绿豆有这么多的好处,但与其他豆类相比,绿豆一直是一种被忽视的作物,针对其育种和开发的努力有限。提高产量、进行生物和非生物胁迫抗性育种以及改善营养品质是绿豆育种者未来面临的挑战。一些研究人员正朝着收集和保存绿豆遗传资源的方向努力。突变育种和基因工程在绿豆品种改良方面也得到了加强。与其他豆科植物相比,基因组信息有限。然而,最近绿豆基因组的成功测序为该作物的研发开辟了新的前景。它是一种自花授粉的脉冲,基因组大小很小,可以作为研究其他豆科植物的模型。绿豆育种者目前的目标是从不同的种质资源和与理想性状密切相关的标记中鉴定出有用的等位基因。高通量标记基因分型系统使得精确定位基因位置和突变对目标表型的影响成为可能。本文综述了该作物的常规育种和分子育种的研究现状,并对利用遗传信息和基因组资源进一步改良绿豆的工作进行了综述。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mungbean (Vigna radiata (L.) R. Wilczek): Progress in Breeding and Future Challenges
Mungbean (Vigna radiata (L.) R. Wilczek) is a short duration farmer preferred warm-season pulse crop. The crop has shown a balanced growth worldwide, especially in developing countries. Mungbean being a great source of protein with higher folate and iron levels attracts high demand and price on the market making the farmers happy and satisfied. Moreover, it can fix atmospheric nitrogen through symbiosis with nitrogen-fixing bacteria, making it perfect for rice based cropping systems and intercropping with other crops. Despite having so many benefits, mungbean has been a neglected crop compared to other pulses with limited efforts aiming at its breeding and development. Higher productivity, breeding for biotic and abiotic stresses resistance and nutritional quality improvement are future challenges for mungbean breeders. Several researchers are working in the direction of collecting and maintaining mungbean genetic resources. Mutation breeding and genetic engineering has also been enhanced in mungbean varietal improvement. Genomic information is limited compared to other legume species. However, the recent successful sequencing of mungbean genome has opened new vistas into the crop’s R&D. It is a self-pollinated pulse with small genome size, which could be used as a model for studying other legumes. Mungbean breeders at present times aim to identify useful alleles from diverse germplasm and markers closely associated with desirable traits. The high-throughput marker genotyping system has now made it feasible to pinpoint the exact gene locations and mutations contributing target phenotypes. In this review we present the current status of conventional and molecular breeding of  the crop and summary of efforts in the utilization of genetic information and genomic resources for further mungbean improvement.
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