A new early-mid ripening flat peach cultivar ‘Hupan 1'

Abstract: ‘Hupan 1'is an early-mid ripening flat peach with excellent appearance. The seeding was derived from a cross between‘Datuanmilu'and‘Yulupantao'in 1999 at experimental field. It was initiallyselected in 2005 for its large size and good taste. After regional adaptability testing at three sites(includ-ing Lvxiang of Jinshan, Chongming, Fengjing of Jinshan) over seven years from 2009 to 2015, it was final-ly selected in 2015. This species is a tall tree, attaining a height of 3 m, the tree is vigorous with ramosecrown and open tree gesture. Leaf is elliptic, acuminate and sharply serrated, with size of 17.93 cm lengthand 4.40 cm width. Flower is pink, pedicel villous and sterility. Fruit is mainly flat, has whitish-red peel.Its flesh is white, rich juice, fine texture and aroma. The average fruit weight is 128-146 g, and maximumfruit weight is 263 g. Fruit shape index is about 0.54-0.60. The content of soluble solid is 12.8%-14.3%,hardness is 5.58 kg·cm-2, and fruit quality is excellent. The fruit development period is 93-103 d and itmatures at the beginning July in Shanghai area. The number of inflorescence, proportion of fruit branches,germination rate and branching ability of this cultivar are generally high. It is resistant to drought and an-thracnose. The fruit has short storage-life, cold storage life is 20 days and shelf life is 5 days, after storagethe fruit aroma is quite strong. Suitable cultivation area is around Shanghai, this cultivar can bear fruitsthree years after planted, has a high yield potential. Orchard should choose neutral sandy soil which is flatand has ability of moisture and fertilizer retention. Spacing in the rows and spacing between rows are 4 m×5 m. The configuration of pollinizer is pollen from fertility peach or nectarine. Pruning includes pinching,bending and back spune, aiming at controlling tree size and maintaining tree vigor.