New variety of winter rapeseed, [Brassica napus] "Nanamidori"
2006
Ishida, M.(National Agricultural Research Center for Tohoku Region, Morioka (Japan)) | Yamamori, M. | Kato, M. | Chiba, I.. | Okuyama, Y. | Tanosaki, S. | Sugawara, S. | Toyama, T. | Endo, T. | Shibata, M.
A new rapeseed cultivar "Nanamidori" was developed at the National Agricultural Research Center for Tohoku Region, NARO, and its variety registration was carried out by the Ministry of Agriculture, Forestry and Fisheries (MAFF) in 2004. "Nananaidori" was selected from the progenies of the cross of "Kizakino-natane/Kamikita-natane," with the aim of developing a new rapeseed cultivar with the following properties: adaptability to the northern Tohoku region of Japan, zero erucic acid content, tolerance to cold and snow damage and aptitude in vegetable uses. The major agronomic characteristics of "Nanamidori" as oilseed rape are as follows. Like "Kizakino-natane," the maturity is late to medium and the tolerance to cold and snow damage is strong. The plant height is about the same as "Kizakino-natane." The resistance to sclerotinial disease is strong. The yielding ability is high, about the same as "Kizakino-natana." The content of erucic acid in extracted oil is zero. The oil content is medium and slightly lower than that of "Kizakino-natane." The agronomic characteristics of "Nanamidori" as vegetable rapeseed are as follows. The harvesting time is earlier than "Kaburena" and the same as "Kamikita-natane," and the weight of its flower stalks is heavier than both "Kaburena" and "Kamikita-natane." The vegetable yield is slightly lower than "Kamikita-natane" but higher than "Kaburena." The resistance to clubroot disease is weak. "Nanamidori" is well adapted to the northern Tohoku region of Japan.
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