Abstract:

The pear new cultivar‘Shannongsu’is derived from a cross between‘Xinli 7’and ‘Dangshansu’. The fruit is big，fusiform in shape，with the average fruit weight of 460 g，the maximum weight of 738 g. The fruit is yellow-green background colour with smooth surface. Fruit stem grows in oblique direction，with shallow fruit depression. Sepal is persistent in aggregate shape，with convex calyx. Flesh is white，crisp，richer juice and sweet，with a little aroma. The soluble solids content of fruit is 12.7%. It blooms in early April and ripens in late September in Guanxian of Shandong. The fruit development period is 175 days. It performs high resistance to pear scab，ring spot，leaf spot and brown blotch diseases，and has high and stable yield.‘Shannongsu’belongs to the new pear cultivar with big，high quality and late ripening characteristics.

Key words: pear, cultivar