Testing and Modification of the Protocol for Accelerated Growth of Malting Barley under Speed Breeding Conditions

IF 0.8 Q3 Engineering
A. G. Marenkova, A. O. Blinkov, S. Radzeniece, A. A. Kocheshkova, G. I. Karlov, V. A. Lavygina, M. V. Patrushev, M. G. Divashuk
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引用次数: 0

Abstract

Speed breeding is a method that reduces the generation time of spring cereals to two months. The method has gained significant popularity for addressing challenges in breeding and genetics. It relies on the use of physiological factors that accelerate flowering onset, shorten the generative phase of development, and overcome post-harvest seed dormancy. Currently, the use of speed breeding is not widespread in the Russian Federation due to a lack of regarding its implementation with Russian cereal genotypes. In this study, we evaluated the feasibility of using speed breeding to accelerate the growth of malting barley and developed our own protocol that initiates heading on the 39th day after sowing. By drying immature spikes and overcoming post-harvest seed dormancy, we were able to begin the growing of the next generation on the 77th day; furthermore, the use of embryo culture enabled us to reduce this time to 60 days. The use of a tool such as speed breeding has allowed us to carry out mass hybridization of plants and the development of pure lines following crosses in a short timeframe. It is also convenient for the introgression of genes of interest and the rapid propagation of valuable barley genotypes.

Abstract Image

快速育种条件下麦芽加速生长方案的试验与修改
速成育种是一种将春粮的繁殖时间缩短到两个月的育种方法。该方法在解决育种和遗传学方面的挑战方面获得了显著的普及。它依赖于利用生理因素加速开花开始,缩短生殖发育阶段,克服收获后种子休眠。目前,由于缺乏对俄罗斯谷物基因型实施快速育种的了解,快速育种的使用在俄罗斯联邦并不普遍。在本研究中,我们评估了利用速成育种加速麦芽生长的可行性,并制定了我们自己的方案,即在播种后第39天开始抽穗。通过干燥未成熟穗和克服收获后的种子休眠,我们能够在第77天开始下一代的生长;此外,使用胚胎培养使我们能够将这一时间缩短到60天。快速育种等工具的使用使我们能够在短时间内进行植物的大量杂交和杂交后的纯种发展。这也方便了感兴趣基因的渗入和有价值的大麦基因型的快速繁殖。
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来源期刊
Nanotechnologies in Russia
Nanotechnologies in Russia NANOSCIENCE & NANOTECHNOLOGY-
CiteScore
1.20
自引率
0.00%
发文量
0
期刊介绍: Nanobiotechnology Reports publishes interdisciplinary research articles on fundamental aspects of the structure and properties of nanoscale objects and nanomaterials, polymeric and bioorganic molecules, and supramolecular and biohybrid complexes, as well as articles that discuss technologies for their preparation and processing, and practical implementation of products, devices, and nature-like systems based on them. The journal publishes original articles and reviews that meet the highest scientific quality standards in the following areas of science and technology studies: self-organizing structures and nanoassemblies; nanostructures, including nanotubes; functional and structural nanomaterials; polymeric, bioorganic, and hybrid nanomaterials; devices and products based on nanomaterials and nanotechnology; nanobiology and genetics, and omics technologies; nanobiomedicine and nanopharmaceutics; nanoelectronics and neuromorphic computing systems; neurocognitive systems and technologies; nanophotonics; natural science methods in a study of cultural heritage items; metrology, standardization, and monitoring in nanotechnology.
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