优质香型晚籼新品种香禾优明月丝苗的选育与保优栽培技术OA

The high-quality aromatic late indica hybrid rice variety'Xiangheyoumingyuesimiao'was successfully bred by crossing the high-quality aromatic sterile line'Xianghe A'with the widely adaptable,lodging-resistant,heat-tolerant,and highly compatible restorer line'R Mingyuesimiao'.When being cultivated as late rice in Jiangxi and Hunan provinces,the variety had a whole growth period of 112.8 and 113.2 d,respectively,with average yields of 8 652 and 8 310 kg/hm2,which increased by 3.2%and 2.4%,respectively,compared to the control.This variety exhibited excellent plant architecture,good grain quality,strong yield potential,and broad adaptability,thus demonstrating promising application prospects.It was approved by the Crop Variety Approval Committees of Jiangxi and Hunan provinces in 2023.This article proposed the key points for its high-yield cultivation,including timely sowing,breeding vigorous seedlings,applying sufficient basal fertilizer,timely transplanting,appropriate close planting,ensuring sufficient seedlings,balanced fertilization,scientific water management,strengthened monitoring,timely prevention and control of pests and diseases,timely harvesting,and ensuring quality.