论文部分内容阅读
矮粳23是浙江省农业科学院以(矮粳22×桂花黄)F_6的优良株系与晚粳农红73复式杂交育成的晚粳新品种(原代号74—23)。1974年定型后参加多点试种鉴定。1976年参加省区域试验。三年来试种试验结果表明,矮粳23具有穗大粒多、结实率高、产量高;较耐穗颈稻瘟病、白叶枯病、耐寒力强;秧龄弹性大、较耐迟栽以及米。
Dwarf Japonica 23 is a late japonica variety (formerly 74-23) which is a good late-season japonica hybrid cultivar developed by Zhejiang Academy of Agricultural Sciences (Dwarf Japonica 22 × Osmanthus fragrans) F_6 and late japonica Nonghong 73. 1974, after more than stereotypes to participate in the identification test. In 1976 to participate in the provincial regional test. Three years of trial planting test results showed that the short japonica 23 with large grains, high seed setting rate, high yield; more resistant to panicle blast, bacterial blight, cold hard; seedling age elastic, more resistant to delay planting and rice.