Abstract: ‘Chuhong 1’is a new extremely early-ripening red-flesh nectarine cultivar which is derived the cross of‘Zaoyoutao’（female parent）and‘Zaoxianhong’（male parent）. The fruit shape is roundwith red flesh，and the average fruit weight is 71 g at the maximum single fruit weight is 105 g. The flesh is crisp and sweet，with 8%–10% soluble solids content and 0.27% titratable acid content. The stone is cling. The ripening date of‘Chuhong 1’is Middle-late May in Wuhan area，the fruit development period is 60 to 73 days. This cultivar appeared high and steady yield，the average yield is 18 000 kg · hm-2. 

Key words: nectarine, extremely early-maturing, red-flesh, cultivar ,