玉米新品种河玉719的选育经过及高产栽培技术

Breeding Process and High Yield Cultivation Techniques of New Maize Variety Heyu 719

河玉719是河池市农业科学研究所(广西农业科学院桂西分院)以自交系河自508为母本、河自206为父本杂交选育而成的玉米新品种,参加2015年广西春、秋2季区域试验以及2016年春、秋2季生产试验,均较对照正大619增产,同时表现出高产、稳产、多抗等特点。2017年通过广西壮族自治区审定,适宜在广西各地区种植。本文详细介绍了玉米品种河玉719的选育经过、特征特性、产量表现,总结了其高产栽培技术,以期为该品种的推广种植提供参考。

Heyu 719 is the new hybrid variety bred from female parent inbred line Hezi 508 and male parent Hezi 206 by Hechi Institute of Agricultural Sciences（Western Branch of Guangxi Academy of Agricultural Sciences）.In the regional test and production test of spring and autumn in Guangxi from 2015 to 2016,the yield of Heyu 719 increased compared to the control of the Zhengda 619,and showed characteristics of high yield,stable yield and multiple resistance,etc.Heyu 719 was registered by Guangxi Zhuang Autonomous Region in 2017,and suitable for planting in various areas of Guangxi.In this paper,the breeding process,characteristics and yield performance of Heyu 719 were introduced,and its high yield cultivation techniques were summarized,so as to provide references for the popularization and planting of this variety.