意大利黑麦草（Lolium multiflorum Lam.）的夏季存活品种可能含有羊茅基因组片段

IF 1.1 4区农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY

Grassland Science Pub Date : 2022-08-09 DOI:10.1111/grs.12380

Akito Kubota, Masahiro Fujimori

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引用次数: 1

摘要

意大利黑麦草(Lolium multiflorum Lam.)品种在它们的持久性上差别很大;有一年生早穗型，也有晚穗型，夏季存活型，能存活2 - 3年。在夏季温度下存活的杂交品种是利用类似物种(羊茅属)的基因与Lolium结合培育的。据推测，夏季存活的意大利黑麦草商业品种含有羊茅基因组片段。在本报告中，我们利用基因组原位杂交技术研究了5个夏季存活品种的基因组构成。5个品种中有2个含有羊茅属的基因组片段，证实夏季存活品种可能含有羊茅属的基因组片段。

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Summer-survival cultivars of Italian ryegrass (Lolium multiflorum Lam.) potentially contain Festuca genome fragments

Italian ryegrass (Lolium multiflorum Lam.) cultivars vary widely in their persistence; there are very early heading annual types as well as very late heading, summer-survival types that survive for 2 or 3 years. Hybrid cultivars that survive in summer temperatures are bred using genes of a similar species (Festuca) in combination with Lolium. It is hypothesized that commercial summer-survival cultivars of Italian ryegrass include Festuca genome fragments. In this report, we investigated the genomic constitution of five summer-survival cultivars using the genomic in situ hybridization technique. Two out of the five cultivars contained Festuca genome fragments, confirming that summer-survival cultivars may include Festuca genome fragments.

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来源期刊

Grassland Science Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

2.70

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： Grassland Science is the official English language journal of the Japanese Society of Grassland Science. It publishes original research papers, review articles and short reports in all aspects of grassland science, with an aim of presenting and sharing knowledge, ideas and philosophies on better management and use of grasslands, forage crops and turf plants for both agricultural and non-agricultural purposes across the world. Contributions from anyone, non-members as well as members, are welcome in any of the following fields: grassland environment, landscape, ecology and systems analysis; pasture and lawn establishment, management and cultivation; grassland utilization, animal management, behavior, nutrition and production; forage conservation, processing, storage, utilization and nutritive value; physiology, morphology, pathology and entomology of plants; breeding and genetics; physicochemical property of soil, soil animals and microorganisms and plant nutrition; economics in grassland systems.