Table 2. Description of the progeny used for establishing the PRP collection.

Trait abbreviations are as follows: BR, brown rot; FD, flowering date; FW, fruit weight; GPA, green peach aphid; MD, maturity date; PM, powdery mildew; PPV, Plum pox virus; SH, stony hard texture; SSC, soluble solid content; SwS, slow-softening texture; TA, titratable acidity.

Cross (Parents)	Acronym	Institution	Type of Progeny	Seedling No.	Trait(s)
‘Bolero’ × ‘Oro A’	B × O	UMIL, Milan	F1	9	MD, SSC, FW, skin overcolor, aroma
‘Contender’ × ‘Elegant Lady’	C × EL	UMIL, Milan	F1	14	BR, MD
‘Max 10’ × ‘Rebus 028’	M × R	UMIL, Milan	F1	9	MD, TA, SSC, FW, SwS
‘Sweetfire’ × ‘Garcica’	Sf × G	UMIL, Milan	F1	15	MD, TA, SSC, FW, SwS
‘Belbinette’ × ‘Nectalady’	Bb × Nl	IRTA, Lleida	F1	20	FD, MD, TA, SSC, FW
‘Big Top’ × ‘Nectaross’	Bt × Nr	IRTA, Lleida	F1	19	FD, MD, TA, SSC, FW
‘Big Top’ × ‘Armking’	Bt × Ak	IRTA, Lleida	F1	18	FD, MD, TA, SSC, FW
‘Subirana’ × ‘Feraude’	PN643	IRTA, Lleida	F1	7	Fruit shape
‘Summergrand’ × P. davidiana P1908	SD	INRA, Avignon	F1	6	PM, PPV
‘Zephyr’ × [((‘Summergrand’ (S) × P. davidiana P1908)) × S]	BC2	INRA, Avignon	BC2	13	FD, PM, PPV, TA, SSC, FW
‘Pamirskij 5’ × ‘Rubira’	P × R	INRA, Avignon	F2	13	PM, GPA, foliage color
FRF 1495 × FRF 1148 (Ma 16-03-059)	POP1376	CREA, Forli	F1	17	PM, fruit pubescence
IFF 983 × Ma 25-01-042	POP1115	CREA, Forli	F1	17	TA, SwS, aroma
FRF 1695 × FRF 1681	POP1095	CREA, Forli	F1	19	SH
FRF 813 × FRF 691	POP1039	CREA, Forli	F1	18	Skin overcolor