Post on 13-Jan-2017
For what apple and peach traits do we have markers available?
Andrea Patocchi (Agroscope)Maria-José Aranzana (IRTA)
Apple resistances
Resistances (available) Examples of genes/loci for which MAB is already applied (Agroscope, PFR, WSU)
Apple scab Rvi2, 4, 5, 6, 11, 12, 15
Mildew Pl1, Pl2, Pl-mis
Fire blight FB_F7, FB_MR5, FB_EWoolly apple aphid Er2, Er3, Er4 (rootstocks)Resistances (coming soon) MAB planned but not yet applied or markers soon
available(more) Apple scab Rvi3, Rvi14, Rvi16 (MIS), Vdv, Vwp
(more) Woolly apple aphid Er1, Er-dv(more) Fire blight FB_E13Rosy apple aphid Dp-FlEuropean canker (Nectria)
Apple (fruit quality) traits
Trait (available) Examples of genes/loci for which MAB is already applied (Agroscope, PFR, WSU) or could be applied
Texture / Firmness PG, ACO, ACS, Ma
Acidity Ma (LG16) and LG8
Sweetness (fructose) LG1Red flesh type2 (MdMYB110), type 1 (MdMYB10)Polyphenols LAR1Bitter pit LG16Aroma_Ester production AAT (acyl CoA alcohol transferase)Internal browning PPO (polyphenol oxidase)Vitamin C GGP1, GGP3Dwarfing (apple rootstocks) Dw1, Dw2
Apple traits in the pipelilne
Trait
Skin russeting
CrackingMaturity timeFruit ground and overcolorFruit size
List for sure not complete!
Peach resistances
Resistances (available) Examples of genes/loci for which MAB is already applied (INRA)
Resistance to the green peach aphid
Rm1/Rm2
Resistance to powdery mildew
Vr1/Vr2
Peach fruit quality traits
Trait (available) Examples of genes/loci for which MAB is already applied or could be applied (IRTA)
Flesh color (yellow/white) YPubescence (peach/nectarine) GSub-acid DFlat shape Shmelting/non-melting Fm
Peach traits
Trait (coming soon) Markers soon available (IRTA)Slow ripening SRL
Pollen sterility PE
List for sure not complete!