长根茎玉米品种旱玉5号的选育及栽培技术要点

旱玉5号是山西省农科院作物遗传研究所于1999年以自选系太160-2为母本,耐深播长根茎玉米自选系LR1921为父本组配成的玉米单交种。该品种从出苗到适宜采收期(蜡熟期)需有效积温2550℃,在太原地区春播生育期大约115d。旱玉5号增产潜力大,生物产量高,活秆成熟。在各级示范试验中该品种表现为优质、高产、稳产,并且抗多种病害,抗倒伏,抗旱力强,适应性广等特点。该品种适宜种植密度为46500株/hm2。平均产量为9276.5kg/hm2。

Breeding of long-rhizomes maize variety HanYu No.5 and It's main points of cultivation

Corn single-cross variety HanYu No.5 was bred by inbred-line "Tai160-2"(female parent) and "LR1921"(male parent) in crop genetics institute of Shanxi academy of agricultural science in 2001,Both of the parents are ourselves breeding inbred line.This variety requires effective accumulated temperature about 2500℃ from emergence of seeding to stage of wax ripeness,It′s growth period is about 115d in taiyuan.It has good yield poteninal,great biomass.Grain can be harvested when plant is till green.In the different experiment this variety expressed good quality,high yield,stable yield,multi-resistance to disease and loding,wide adaptability,drought resistance and so on.Planting density about 46500plants/ha is suitable for this variety.The yield had 9276.5kg/hm2.