中熟晚粳“矮粳23”是浙江农科院以矮粳22×桂花黄F_6的优良株系与农红73复式杂交育成。79年从浙江金华地区农科所引进试种,82年本场已扩种近70亩,平均亩产达760斤,比嘉农762增产14％。“矮粳23”在我场种植,全生育期146天,年度间差异不大,较嘉农762早熟2～3天。该品种较耐迟栽,82年推迟至6月24日移栽,仍能在10月底成熟。在一般肥料水平和一般管理水平下,亩产均能达720斤以上。分蘖率中等,高峰苗约31万,但 The late maturing japonica “Dwarf Japonica 23” was bred by the Zhejiang Academy of Agricultural Sciences with the fine lines of Dwarf Japonica 22 × Osmanthus fragrans F_6 and Nonghong 73 double crosses. 79 years from Jinhua, Zhejiang Province, the introduction of agricultural science trials, 82 this field has been expanded nearly 70 acres, the average per-mu yield of 760 pounds, an increase of 14% than the Jiaonong 762. “Dwarf japonica 23” planted in my field, the whole growth period of 146 days, little difference between the year, premature than Jiaonong 762 2 to 3 days. The variety is more resistant to planting, delayed postponed to June 24, June 24, still mature at the end of October. In the general level of fertilizer and general management level, per mu can reach more than 720 pounds. Tilting rate is medium, about 310,000 peak seedlings, however