Long history of strawberry breeding…

‘Earliglow’‘Allstar’‘Ovation’ ‘Flavorfest’ Disease-resistant USDA-ARS varieties

‘Flavorfest’

‘Flavorfest’ Disease resistance Disease resistance Great flavor Great flavor High yield –up to 20 Tons/Acre High yield –up to 20 Tons/Acre Large firm berries – up to 49g Large firm berries – up to 49g Repeat Fruiting? Repeat Fruiting?

Repeat-fruiting seedling field

Repeat fruiting in octoploid strawberry mapped as a qualitative trait in five states.

a) LG IV-T-1 LOD c) LOD b) Repeat fruiting in octoploid strawberry mapped as a quantitative trait in two states.

Allele sizes (bp) Marker ‘Tribute’ ‘Honeoye’ ‘Selva’ ‘Delmarvel’ EMFv b, 202, 204 a, b, 203, 204 a 197, 200 a, 202 a, 205 a 200 a, 202 a, 220, 228 CX661047a104, 108 a, 113 a, a, 113 a 104, 113 a, a, 118 F.v.D3244, 271 a, 274 b, 277 a 271 a, 274 b, 277 a, a, 271 a, 277 a 244 a, 271 a, 274, 277 a, 295 ChFaM011163, , 176 Repeat-fruitingYesNoYesNo ChFaM148175, 177 a, 182 b, a, 182 b 178, 183, 185, , 180, 183, 185, 188 CX , 338 b, 342, 349 a, 351 a 335 a, 339, 348 a, 351 a 339, 343 a, 345, 348 a, 351 a a did not fit an expected segregation ratio b unlinked, not grouped with other markers SSR markers linked to repeat fruiting in octoploid strawberry in Homoeologous Group IV Patricia Castro, J.M. Bushakra, P. Stewart, C.K. Weebadde, D. Wang, J.F. Hancock, C.E. Finn, J.J. Luby, K.S. Lewers

First, let’s talk about yield.

UV (10-400nm) Infrared (700-1,000 nm) Photosynthetically Active Radiation (PAR) ( nm) Standard “clear” plastic TES plastic (IR diffusing) TempCool plastic (IR blocking) Dr. Craig Daughtry, USDA-ARS Beltsville MD

IR diffusing Standard IR blocking

Fruit from tunnels. And NO FUNGICIDES! This is Botrytis fruit rot. We did NOT see Botrytis in the tunnel fruit, even after storage.

UV (10-400nm) Infrared (700-1,000 nm) Photosynthetically Active Radiation (PAR) ( nm) Standard “clear” plastic TES plastic (IR diffusing) TempCool plastic (IR blocking) Dr. Craig Daughtry, USDA-ARS Beltsville MD

NO powdery mildew!

Slugs Slugs Ants Ants Too much N Too much N Irrigation Irrigation

Year-round strawberries Strawberry breeding Strawberry breeding Traditional genetics Traditional genetics Modern molecular genetics Modern molecular genetics Novel production system Novel production system More strawberry breeding… and time More strawberry breeding… and time