A new Tohoku-district soybean [Glycine max] cultivar "Suzusayaka" with three lipoxygenase isozyme deletions
2006
Yumoto, S.(National Agricultural Research Center for Tohoku Region, Morioka (Japan)) | Shimada, S. | Takada, Y. | Sakai, T. | Kono, Y. | Shimada, H. | Takahashi, K. | Adachi, T. | Tabuchi, K.
A new soybean [Glycine max (L.) Merr.] cultivar "Suzusayaka" was developed by the National Agricultural Research Center for the Tohoku Region (NARCT). Released in 2003, its most noteworthy feature is the deletion of three lipoxygenase isozymes (L-1, L-2, L-3). "Suzusayaka" was registered as "Soybean Norin 125" by the Ministry of Agriculture, Forestry and Fisheries, Japan, and adopted as a recommended variety by Akita Prefeture. "Suzusayaka" was derived from the cross "Suzuyutaka" x "Kyuko355F2 (gamma)-M4" made in 1990. "Suzuyutaka" Is one of the leading cultivars in Tohoku district, and has resistance to soybean mosaic virus (SMV) and soybean cyst nematode (SCN). "Kyuko355F2 (gamma)-M4" is a breeding line with three lipoxygenase isozyme deletions. "Suzusayaka" has a determinate growth habit, purple flowers, gray pubescence, brown pods and yellow seeds with a yellow hilum. Its averaged 13th October in maturing date, 78 cm in plant height, 272 kg/10a in seed yield, 24.5g in 100-seed weight, 39.4% in protein content, and 21.1% in oil content at Kariwano Branch (39 deg N Lat.), NARCT. "Suzusayaka" has resistance to SMV and SCN, and has three lipoxygenase isozymes deletions. The processing suitability of "Suzusayaka" for soy milk and tofu is high; products made from it have a less prominent "bean" flavor.
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