Mustard Seed Growing — Best

Primary root (radicle) breaks through testa → anchors seed.

First true leaves appear (serrated, rough texture). Plant shifts to autotrophic growth. mustard seed growing

Stem elongates, multiple true leaves form. Root system expands. Primary root (radicle) breaks through testa → anchors seed

Hypocotyl elongates, pulling cotyledons (seed leaves) above soil. Cotyledons turn green → photosynthesis begins. mustard seed growing