Possible mechanisms of pollination failure in hybrid carrot seed and implications for industry in a changing climate
Fig 3
Number of days between seed sowing and flowering between the three carrot varieties.
Variety: E = excellent, M = medium, P = poor. Line: male sterile (♀) and male fertile (♂) lines broken out for each variety. Data ceased being collected at 365 days. Boxes represent the middle 50% of the data, lines within boxes are the median.