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一、来源和产量表现玉米单交种“160”是临洮农校玉米育种组用自选良交系“高44—14”做母本,引进自交系“罗引”做父本,1979年组配而成。1980年小区观察试验折合亩产753.35公斤。1982、1983两年小区品比试验折合亩产666.45公斤和733.5公斤,比1982年对照张单488和1983年对照酒单2号分别增产27,2％和5.6％。1984年参加定西地区玉米区试,临洮县点、临洮农校点、会宁点、靖远点折亩产分别为616.7公斤、656公斤、600公斤和650.5公斤。1984年临洮农校大田种植1.3亩,每亩实产
First, the source and yield performance Maize single cross-breeding “160” is Linqu agricultural school corn breeding group with the optional good cross “44-14” as the female parent, the introduction of inbred line “Luo cited” as the father, 1979 group Made of. In 1980, the district observation test was equivalent to 753.35 kilograms per mu. In 1982 and 1983, plot ratio test of 666.45 kilograms and 733.5 kilograms per mu, respectively, increased by 27.2% and 5.6% respectively over those of control list Zhangqie 488 in 1982 and control list 2 of 1983 respectively. In 1984, he took part in the trial of corn in Dingxi District, Linqu County, Linqu Agricultural School, Ningning Point and Jingyuan Point-fold yield were 616.7 kilograms, 656 kilograms, 600 kilograms and 650.5 kilograms respectively. In 1984 Linqu agricultural school field planting 1.3 acres per mu