New buckwheat cultivar "Sachi-izumi" was developed at NARO Kyusyu Okinawa Agricultural Research Center. It was derived from a crossing between Asahimura-zairai, a mediummaturing variety with lodging resistance, and SOBA (86258 : JP number of NIAS Gene bank), an early-maturing variety collected in Tsushima Nagasaki with good outward appearance of seeds. Flowering time of Sachi-izumi is the same as that of Hitachi-akisoba and slightly earlier than that of Kanoya-zairai. Maturing time of Sachi-izumi is almost the same time as that of Hitachi-akisoba and 10 days earlier than that of Kanoya-zairai. The plant height of Sachiizumi is relatively low, and lodging resistance is almost the same as that of Kanoya-zairai. The yield ability of Sachi-izumi was as high as that of Kanoya-zairai in a yield trial conducted in Kagoshima prefecture. The taste of noodles made from Sachi-izumi is as good as those made from Hitachi-akisoba and Kanoya-zairai. It grows well in autumn and in western Japan.
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暖地・西南暖地向け秋ソバ品種「さちいずみ」の育成
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