A new soybean variety 'Yukihomare R' introduced resistance for soybean cyst nematode race1 into 'Yukihomare' by marker assisted selection
2017
Suzuki, C. (Hokkaido Research Organization Tokachi Agricultural Experiment Station (Japan)) | Miyoshi, T. | Shirai, S. | Yumoto, S. | Tanaka, Y. | Hagihara, S. | Yamaguchi, N. | Kurosaki, H. | Yamazaki, H. | Ohnishi, S.
A soybean (Glycine max (L.) Merr.) var. 'Yukihomare R' was developed by Hokkaido Research Organization Tokachi Agricultural Experiment Station. It was adopted as one of the recommended soybean varieties by Hokkaido in 2010, and was registered as 'Yukihomare R' by the Ministry of Agriculture, Forestry and Fisheries of Japan in 2011. 'Yukihomare R' was developed by backcrosses recurrently three times between the donor parent 'Tokei-871', a variety with resistance to soybean cyst nematode (SCN) race1 and race3, and the recurrent parent 'Yukihomare', a major cultivar in Hokkaido. Resistance to SCN race1 in each breeding material was evaluated by marker assisted selection for the SCN resistant loci, Rhg1 and Rhg4. Except for resistance to SCN race1, 'Yukihomare R' has agricultural and food processing characteristics similar to those of its recurrent parent 'Yukihomare'. In the area where the damage of SCN race1 has occurred, the use of 'Yukihomare R' instead of 'Yukihomare' is expected to contribute to the stable soybean production in Hokkaido.
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