107玉米自交系夏直播产量较低,一般亩产100～150kg左右。究其原因,主要是种性降低、雄穗不发达、雌雄脱节、整个生育期即怕旱又怕涝的生理特点,经过近两年的摸索,从防杂保纯、生产原种、选地、提高播种质量和科学的田间管理等关键措施人手,使107玉米自交系单产大幅度提高,取得了满意的效果。 107 maize inbred lines summer direct seeding low, generally about 100 ~ 150kg per mu. The reason is mainly the reduction of sexual descent, tassel underdevelopment, male and female out of touch, the whole growth period that is afraid of drought and fear of waterlogging physiological characteristics, after nearly two years of exploration, from hybrid protection, production of original species, selection , Improving sowing quality and scientific management of field measures and other key measures to 107 maize inbred line yield increased substantially and achieved satisfactory results.