Symptoms of aster yellows
Leaves are discolored pale green to yellow or white. In some plants, red to purple discoloration of leaves occurs. Leaves may be small and stunted. Flowers are small, malformed, and often remain green or fail to develop the proper color.
What plants can get aster yellows?
Aster yellows is a disease that affects over 300 species of plants, including ornamentals such as aster, coneflower, zinnia, marigold, chrysanthemum, petunia, and snapdragon. Edibles affected include lettuce, carrot, tomato, and celery. Grasses and grains also are hosts.
How does aster yellow affect plants?
Stunted plants with yellowing leaves. Distorted leaves, stems and flowers. Proliferation of shoots to produce witch's broom appearance Sometimes small bulb-like structure will form in the flowers instead of seed.
