Growth status of carrots from five different developmental stages.

<p>A: Stage 1, 25-day-old. B: Stage 2, 40-day-old. C: Stage 3, 60-day-old. D: Stage 4, 75-day-old. E: Stage 5, 90-day-old. Black lines in the lower left corner of each plant represent 5 cm in that pixel.</p>