玉米新品种五谷318是甘肃五谷种业股份有限公司以自选系WG3253为母本、自选系WG5603为父本组配的适宜机收的玉米杂交种。2013年参加内蒙古自治区玉米中熟组区域试验，五谷318平均折合产量13 192.5 kg/hm2，比对照品种金山33增产5.41%。2014年参加内蒙古自治区玉米中熟组生产试验，五谷318平均折合产量13 015.5 kg/hm2，比对照品种金山33增产1.16%。2015 — 2016年参加国家东北中熟春玉米机收组区域试验，五谷318 2 a平均折合产量10 069.5 kg/hm2，比对照品种先玉335增产8.50%。2016年参加国家东北中熟春玉米机收组生产试验，五谷318平均折合产量9 850.5 kg/hm2，比对照品种先玉335平均增产3.27%。五谷318抗逆性、抗倒性强，中抗茎腐病、灰斑病，抗穗腐病、丝黑穗病，春播出苗至收获127 d左右，株型半紧凑，茎秆韧性强，适宜机收籽粒，籽粒含粗蛋白87.7 g/kg、粗脂肪39.5 g/kg、粗淀粉749.2 g/kg、赖氨酸2.8 g/kg，容重755 g/L。2017年通过国家首批机收玉米品种审定，适宜西北、东北和华北中熟春玉米区种植。

Wugu 318 is a new corn cultivar， bred by Gansu Wugu Seed Industry Co.， Ltd.， with self-selected line WG3253 as female parent and self-selected line WG5603 as male parent. In 2013， the average yield of Wugu 318 was 13 192.5 kg/hm2， which was 5.41% higher than that of Jinshan 33 in the Regional Experiment of Corn in Mid-Maturity Group in Inner Mongolia Autonomous Region. In 2014， the average yield of Wugu 318 was 13 015.5 kg/hm2， 1.16% higher than that of Jinshan 33 in the Mid-Maturing Corn Production Experiment in Inner Mongolia Autonomous Region. In 2015 — 2016， the average yield of Wugu 318 in 2 a was 10 069.5 kg/hm2， 8.50% higher than the control Xianyu 335 in Regional Experiment of Machine-harvesting Mid-maturing Spring Corn in Northeast China. In 2016， the average yield of Wugu 318 was 9 850.5 kg/hm2， which was 3.27% higher than that of Xianyu 335 in the Experiment of Machine-harvesting Spring Corn in Northeast China. It has strong resistance to stress and lodging， moderate resistance to stem rot and gray spot， resistance to ear rot and head smut. Wugu 318 grew about 127 days from seedling to maturity when sown in spring， having a plant type of semi-compact， with strong stem toughness， suitable for grain harvesting by machine. The content of crude protein was 87.7 g/kg， crude fat was 39.5 g/kg， crude starch was 749.2 g/kg， lysine was 2.8 g/kg and bulk density was 755 g/L. Wugu 318， a new corn cultivar， is the one of the first machine-harvested corn cultivars approved by the state in 2017. It is suitable to be grown in the mid-maturing spring corn areas in Northwest， Northeast and North China.

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甘肃省科技计划项目(1604JLGA175)。