Zhefu No. 9, a new indica rice variety in central and eastern China
1994
Xia Yinwu | Shu Qingyao (Zhejiang Agricultural Univ., Hangzhou 310029 (China). Inst. of Nuclear Agricultural Sciences)
Zhefu No. 9, derived from cross 44-1086/IR50, was released in Apr 1993 for use as an early season (April to July) indica variety in the double-cropped area of central and eastern China. Zhefu No. 9 is a short-duration, semidwarf indica rice. It is 80-85 cm tall and has 105-110 d growth duration. Average yield is about 6.6 t/ha under normal cultivation and maximum yield is 8.8 t/ha under high fertilization and good management, which was 8.1-18.7 percent and 4.3-20.1 percent more than the checks, respectively. It is highly resistant to rice blast under field conditions. It has medium grain and good cooking quality, with an amylose content of 23.1 percent
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