Breeding of a new rice variety 'Tsubuminori'
2010
Sugawara, H., Iwate-ken. Agricultural Research Center, Kitakami (Japan) | Abe, A. | Takakusagi, M. | Sasaki, T. | Nakajo, S. | Kiuchi, Y. | Nakano, H. | Tamura, K. | Ogi, Y. | Ogata, S. | Odanaka, H. | Kamiyama, Y.
A new paddy rice variety 'Tsubuminori' was developed by Iwate Agricultural Research Center in 2009.The variety was selected from the cross between 'Hokuriku 188' and 'Iwanan 20' conducted in 1996 at the ex-Quality Rice Breeding and Cultivation Research Section of Iwate Agricultural Research Center (Esashi-ku, Oshu City), and was intended as a middle-maturing variety with cold weather tolerance and high yield. Since 2003, it was given a performance test and other specific tests. 'Tsubuminori' has been tested as local line number 'Iwate 85' since 2006. Registration as a new rice variety of Iwate Prefecture was applied for in 2009. Characteristics of 'Tsubuminori' are as follows: (1) Belongs to the middle-early maturity group, maturing at the same time as 'Akitakomachi' and slightly later than 'Iwatekko'. (2) High tolerance to sterility caused by low temperatures at booting stage, superior to 'Akitakomachi'. (3) The yields of all brown grains are clearly superior to 'Akitakomachi'. 'Tsubuminori' would be planted in the same areas as 'Iwatekko' and 'Akitakomachi'.
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