Breeding of a new rice variety 'Ginganoshizuku'
2017
Kodate, T. | Sugawara, H. | Sasaki, T. | Ohta, Y. | Abe, A. | Takakusagi, M. | Abe-Kawadai, S. | Kiuchi, Y.
A new paddy rice variety 'Ginganoshizuku' was developed by Iwate Agricultural Research Center in 2014. This variety was selected from a cross between 'Ouu 400' and 'Hokuriku 208' conducted in 2006. This variety was intended as a good eating quality variety with cold tolerance at the booting stage, panicle blast resistance. 'Ginganoshizuku' has been tested as a local line number 'Iwate 107' since 2012. It was adopted as a recommended rice variety of Iwate Prefecture in 2015.Characteristics of 'Ginganoshizuku' are as follows: (1)It belongs to the medium-maturity group at Iwate, maturing concurrent with 'Donpishari' and slightly later than 'Akitakomachi' (2)The plants are a partial panicle-weight type. The culm length is shorter than both 'Akitakomachi' and 'Donpishari', and panicle number is slightly less than 'Akitakomachi' and equal to 'Donpishari'. (3) It has high tolerance to sterility caused by low temperatures at the booting stage, superior to 'Akitakomachi'. (4) It has a true blast resistance gene 'Pia,Pii,Pik'. Field resistance to leaf blast is slightly strong and medium, and panicle blast is slightly strong. It has quantitative evaluation of protective effect of 'Pb1' Gene. (5)The grain yield is higher than that of 'Akitakomachi'. (6)The quality of brown rice is equal to that of 'Akitakomachi' and 'Donpishari' (7)The eating quality is excellent and equal to that of 'Akitakomachi' and 'Hitomebore'
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