https://doi.org/10.2307/2435474 • https://www.jstor.org/stable/2435474 1. Aster yellows is a serious disease of the China aster, Callistephus chinensis Nees. It is ...
In addition to a range of abiotic disorders (typical to most ornamentals) and diseases, including the much-despised aster yellows, botrytis, and powdery mildew, they suffer at the mandibles of a ...
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