Breeding Report on A New Fresh Waxy Maize Variety Jinnuo 005
It is an urgent requirement for the development of special maize industry in Gansu Province to breed high-quality sweet and waxy maize varieties suitable for different regions and applications.Jinnuo 005,a new fresh waxy maize variety,was bred by Zhangye Academy of Agricultural Sciences of Gansu Province and Zhangye Hualong Seed Industry Co.,Ltd.,with maize inbred line N51 as female parent and N11 as male parent.During 2020-2021,it participated in the regional experiment of fresh waxy maize group varieties in Gansu Province.The average yield of the two years was 18 669.8 kg/ha,which was 7.4%higher than that of the control variety Baiyunuo 909 and 7.1%higher than that of the control variety Jingkenuo 569.The average growth period of this variety using plastic film planting in the sweet waxy corn producing areas of Gansu Province is about 104 d,and it is susceptible to head smut and corn smut disease.Contents of crude protein,crude fat,crude starch and the amylopectin(dry grain)are 8.7 g/kg,43.3 g/kg,718.4 g/kg and 100%,respectively.It is suitable for plastic film mulching planting in fresh corn production areas with≥10℃accumulated temperature above 2 240℃in Gansu Province or in northern fresh corn production areas with the same climatic ecological type for spring sowing.
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