In the current market and lodgepole pine seedlings, seedlings and some individual traders commonly used carrier as healthy seedlings for sale, the lack of seedling disease recognition ability are easily deceived. At the base of flowers and trees to teach you how to distinguish green pine seedling disease and healthy seedling:
Strong green seedlings leaves, compact plant type appearance, uniform distribution of branches, plant root exposure. The vigorous tall and straight, no root, trunk, thick and dense natural bent, internode. And the sick leaves or needles yellow seedlings, the lack of a splash, pine needle thin, loose, like scattered hair, much less fibrous roots, soil.