玉米新品种乾育520的选育与栽培技术

乾育520(试验名称乾鼎178)是由河北乾鼎种业有限公司以TH34为母本,TH36为父本通过多年试验选育而成的玉米新品种。乾育520的区域试验与生产试验结果表明：2017年与2018年区域试验,平均产量分别为9521.5kg/hm²和9285.2kg/hm²,其分别比郑单958(对照)增产5.7%与4.2%；2018年生产试验,其平均产量为9280.7 kg/hm²,比郑单958增产5.2%；同时其品质、抗病性、抗倒伏性等均良好。2019年申请河北省夏播4500株/亩组玉米品种审定,并通过了审定,审定编号为冀审玉20198041。该品种适宜种植地区为河北省唐山、廊坊市及其以南的夏播玉米区夏播种植。

Breeding and Cultivation Techniques of New Maize Variety Qianyu 520

Qianyu 520 (experimental Name: Qianding 178) is a new maize variety bred by Hebei QianDing Seed Industry Co., Ltd. through years of experiments with TH34 as female parent and TH36 as male parent. The results of regional test and production test of Qianyu 520 showed that the average yield of Qianyu 520 in 2017 and 2018 were 9521.5kg/hm² and 9285.2kg/hm² respectively, which were 5.7% and 4.2% higher than that of Zhengdan 958 (control); In 2018, the average yield was 9280.7 kg / hm², 5.2% higher than that of Zhengdan 958; At the same time, it has good quality, disease resistance and lodging resistance. In 2019, it applied for the approval of 4500 plants / mu maize varieties in Hebei Province, and passed the approval, with the approval number of jishenyu 20198041. The suitable planting areas of this variety are Tangshan, Langfang city and the south of them.