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Fig. 2 | BMC Plant Biology

Fig. 2

From: Evidence of epistatic suppression of repeat fruiting in cultivated strawberry

Fig. 2

Progression of annual activities for the USDA-ARS strawberry breeding program for once-fruiting (O) and repeat-fruiting (R) strawberry genotypes. Activities from seed germination to plant evaluation are expressed on horizontal time lines associated with temperatures and daylength for the repeat-fruiting seedling evaluation year (2016). A vertical bar marks the starting date for an activity that occurred the same year (black) or years prior (grey) to the evaluation year (2016). A black dashed-line box represents 2016 flower/fruit-evaluation periods. Seeds were germinated and transplanted to 72-well trays in a greenhouse. Seedlings were planted on the Henry A. Wallace Beltsville Agricultural Research Center Linkage Farm (39°01′22.43″N, 76°54′59.26″W, 43.6 m elevation). Observation plots and replicated evaluation plots were on the North Farm (39°01′48.42″N, 76°56′07.99″W, 49.4 m elevation). Daylength was recorded at Greenbelt, Maryland. Air temperatures (2016) were recorded at 1.5 m high at the Linkage Farm

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