Table 1.

Characteristics of 8 potato genotypes harboring different resistance levles against common scab.

Cultivers/line	Abbreviation	Resistance levels against common scab	Cross parent		Maturity	Usage
			female	male
Yukirasha	R1	Highly resistant	Early Gem	86002-100	medium-early	table use
02005-10	R2	Highly resistant	Yukirahsa	Pike	medium	table use
Snow March	R3	resistant	Atlantic	Cherokee	medium	table use
Star Ruby	M1	moderately resistant	Hokkai No. 77	87028-6	medium	table use
Snowden	M2	moderately resistant	B5141-6	Wischip	medium-late	chips
Irish Cobbler	S1	susceptible	unknown	unknown	early	table use
Toyoshiro	S2	susceptible	Hokkai No. 19	Eniwa	medium-early	chips
Piruka	S3	susceptible	Meihou	Tokachikogane	medium-early	table use