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E-GRO Alert: dealing with rust on Aster
September 23, 2014 By Dr. Kristin Getter Michigan State University
Sept. 23, 2014 — Rust appears on Aster as orange or brown pustules on
the underside of leaves and as chlorotic spots on the topside of the
leaves.
Sept. 23, 2014 — Rust appears on Aster as orange or brown pustules on the underside of leaves and as chlorotic spots on the topside of the leaves.
Aster (Aster species) is a common fall crop for growers and is used by consumers as an outdoor garden ornamental and herbaceous perennial.
Aster can also be grown for use as a potted flowering ornamental or for cut flower production. The cultural requirements of Aster are similar to those of mums.
One major foliar disease of Aster is rust, which is a generic name for a group of fungal pathogens (including Coleosporium campanulae and several Puccinia species).
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