What does a strong watermelon seedling look like? The morphological standards are easy to understand at a glance

(Nongye Zhifu Wang) A strong watermelon seedling in terms of morphology shows steady growth, thick and sturdy stems and leaves, a short and thick hypocotyl, flat and expanded, thick cotyledons, short petioles, dark green leaves, well-spread roots, moderate development, and a white and tender surface.