'Jikenuo 20'is a new fresh waxy corn F1 hybrid developed by crossing inbred line'JN111'as female parent and inbred line'JN203'as male parent.It is of medium-early maturity.Its growth period is about 87 days in spring.Its plant type is semi-compact,with strong growth vigor.The average plant height is 238 cm,and ear position height is 109 cm.Its ear is long tube type,with 22.1 cm in length and 14-16 rows per ear.The grain is white and waxy.The weight of 100 grains is 41.9 g.The amylose accounted takes up 2.84%of the crude starch content,and the skin residue rate is 5.97%(FW).It is medium resistant to leaf bligh,head smut,and stem rot.Its fresh ear yield is about 13.5 t·hm-2.It is suitable to be cultivated in the middle to late maturing areas of fresh waxy corn in Jilin Province.
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