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. 2021 Jul 23;16(7):e0254908. doi: 10.1371/journal.pone.0254908

Table 1. Safflower traits estimated and measured by destructive and digital methods.

Trait Description
Dry biomass (DB) Whole plant above ground biomass measured at the time of physiological maturity (g)
Seed yield (SY) Total seed yield obtained per plant (g)
Branches (B) Manual count of total number of branches per plant
Plant height (PH) Measured from the bottom of the plant to the tip (cm)
Seed number (SN) Number of seeds obtained per plant
Estimated shoot biomass (ESB) Number of pixels estimated from identified plant area combined from three side views and a top view (000 pixels)
Water loss (WL) Measured by weighing pot before and after watering (g day-1)
Bounding box (BB) The rectangular box enclosing the identified plant (pixels)
Convex hull area (CHA) Area of the convex hull that encloses the identified plant (pixels)
Caliper length (CL) Maximum distance from top of the plant to the bottom (pixels)
Minimum area rectangle (MAR) Minimum rectangular area that encloses the identified plant (pixels)