Aster yellows is a disease that can affect a wide variety of flowers and vegetables, including vegetables in the carrot ...

Aster yellows is a viral disease caused by phytoplasma pathogens and transmitted to marigolds by leafhoppers. When the bugs feed on the leaves of an infected plant, they become lifetime carriers of ...

Unless you also count the mutants, in which case there are more flowers. This year, bizarre, malformed flowers are growing right out of some seed heads. Flowers growing out of flowers.

Most species in the Asteraceae family are at risk from aster yellows, including cosmos. This disease is caused by microscopic parasites called phytoplasma. These parasites are spread by insects like ...

They protect the entire food supply of our state. Welcome to one of the nation's unique agricultural labs, where plant ...