Abstract:
In order to promote the popularization of the new waxy maize variety Hanuo 2022, the breeding process, variety characteristics, yield performance and cultivation techniques of the variety were introduced. In 2016,the Maize Laboratory of Harbin Academy of Agricultural Sciences hybridised Hanuo 2022 with female waxy corn inbred line B103 and male waxy corn inbred line HA1303. In 2020, the average yield of regional trials was 17 148.9 kg·ha
-1, an average increase of 6.5% compared with that of the control variety Jinuo 262.In 2021, the average yield of regional trials was 18 520.7 kg·ha
-1, an average increase of 8.1% compared with Jinuo 262. The average yield of the 2-year regional experiment was 17 834.8 kg·ha
-1, which was 7.3% higher than Jinnuo 262. In 2022, it was approved by Heilongjiang Provincial Variety Certification Committee with the approval number of Heishenyu 20220032. The appearance of Hanuo 2022 is white, the stick length is about 20 cm, and the quality is good, And it is suitable for sweet and glutinous taste, and has a taste quality of 88 points. This variety needs to be planted at in the area with ≥10 ℃ accumulated temperature of 2 250 ℃ in the adaptation zone, and the green feeding period is about 91 days.