Q: Last year I learned I had rust on my serviceberry and hawthorn trees. What do I look for this year to prevent that? A: It’s hard to prevent rust infections on vulnerable plants unless you are ...

Question: You recommended a fungicide for an orange rust control on plumeria. The rust fungus seems like a natural occurrence, especially as the leaves decline in the fall. I have developed the ...

AMES, Iowa – Iowa State University scientists are piecing together clues about how a global pest hacks the immune systems of soybeans. Soybean rust fungus poses one of the biggest threats to soybean ...

Teliospores of the Puccinia punctiformis fungus are on Canada thistle plants in the late summer and fall. Teliospores of the Puccinia punctiformis fungus are on Canada thistle plants in the late ...