Wheat yellow mosaic virus resistant line, 'Kitami-94', developed by introgression of two resistance genes from the cultivar 'Madsen'
文献类型： 外文期刊
作者： Suzuki, Takako 1 ; Yoshimura, Yasuhiro 2 ; Ohnishi, Shizen 2 ; Jinno, Hironobu 2 ; Sonoda, Tatsuya 2 ; Kasuya, Masashi 2 ; Souma, Chihiro 1 ; Inoue, Tetsuya 1 ; Kurushima, Masatomo 3 ; Sugawara, Akira 4 ; Maeno, Shinji 1 ; Komatsuda, Takao 5 ;
作者机构： 1.Hokkaido Res Org, Cent Agr Expt Stn AES, Naganuma, Hokkaido 0691395, Japan
2.Hokkaido Res Org Kitami AES, Kunneppu, Hokkaido 0991496, Japan
3.Hokkaido Res Org Kamikawa AES, Pippu, Hokkaido 0780311, Japan
4.Hokkaido Res Org Tokachi AES, Memuro, Hokkaido 0820081, Japan
5.Natl Agr & Food Res Org, Inst Crop Sci, Tsukuba, Ibaraki 3058602, Japan
6.Shandong Acad Agr Sci, Crop Res Inst, Jinan 250100, Shandong, Peoples R China
关键词： Triticum aestivum L; breeding; backcross; Wheat yellow mosaic virus; resistance genes
期刊名称：BREEDING SCIENCE （ 影响因子：2.014； 五年影响因子：2.716 ）
ISSN： 1344-7610
年卷期：
页码：
收录情况： SCI
摘要： 'Kitahonami' is a soft red winter wheat (Triticum aestivum L.) cultivar that has high yield, good agronomic performance and good quality characteristics. It currently accounts for 73% of the wheat cultivation area of Hokkaido the northern island in Japan and 42% of Japan's overall wheat cultivation. However, this cultivar is susceptible to Wheat yellow mosaic virus (WYMV). WYMV has become widespread recently, with serious virus damage reported in Tokachi and Ohotsuku districts, which are the main wheat production areas in Hokkaido. Here, we report a new wheat breeding line 'Kitami-94', which was developed over four years by repeated backcrossing with 'Kitahonami' using DNA markers for WYMV resistance linked to the Qym1 and Qym2 from 'Madsen'. Basic maps of Qym1 and Qym2 were created and used to confirm that 'Kitami-94' reliably carried the two resistance genes. 'Kitami-94' demonstrated WYMV resistance, and had agronomic traits and quality equivalent to 'Kitahonami' except for higher polyphenol oxidase activity and lower thousand grain weight. 'Kitami-94' may be useful for elucidating the mechanism of WYMV resistance in the background of 'Kitahonami', and for developing new cultivars.
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