论文部分内容阅读
一、品种来源:新黄单85—1是原新乡地区农科所1984年用京7作母本,U_8作父本杂交育成的特紧凑型中早熟玉米单交种.一般亩产500公斤左右,最高可达767.4公斤。二、特征特性:该杂交种根高250厘米左右,上部叶片挺直,株型特紧凑,穗长18厘米,出籽率87%,千粒重320克左右,粒色纯黄,品质优良,夏播生育期39天。具有高产,耐密、抗病、抗倒,适应性广等特点。三、栽培要点:麦后直播或麦垄套种均
First, the source of the variety: the new Huangdan 85-1 is the original Xinxiang Agricultural Science Institute in 1984 with Beijing 7 as the female parent, U_8 for the male parent cross bred early maturity maize hybrids. General mu produce about 500 kg , Up to 767.4 kg. Second, the characteristics and characteristics: The hybrids root height of about 250 cm, the upper leaves upright, plant type is extremely compact, spike length 18 cm, 87% of seed yield, weight of about 320 grams of grain, pure yellow color, good quality, summer Growth period of 39 days. With high yield, tight tolerance, disease resistance, lodging, wide adaptability and so on. Third, the main points of cultivation: after wheat broadcast or wheat Ridge intercropping are