You are here

Plant Doctor - Greenhouse Basil Downy Mildew

Filed Under:
Publication Number: P2936
View as PDF: P2936.pdf

Greenhouse Basil Downy Mildew

Most common seasons

Late fall, winter and early spring.


A number of days with rains and high humidity, especially originating from the Gulf of Mexico. Temperatures between 53°F and 77°F.

Basil types affected

Especially bad on sweet basil.  Colored types and other species are not so susceptible.

Quick symptoms

Chlorotic (yellow) area in center (mid-rib) of leaf. May develop fuzzy gray growth on underside of leaves. In very conducive situations, fuzzy growth may be on upper leaf surface, as well.

Download the PDF above to read more.

Print Friendly, PDF & Email

The Mississippi State University Extension Service is working to ensure all web content is accessible to all users. If you need assistance accessing any of our content, please email the webteam or call 662-325-2262.

Select Your County Office


Portrait of Dr. Alan Henn
Extension Professor
Extension Plant Pathologist, Disease management of ornamentals,peanut, turf,fruits, nematode program

Related Publications

Publication Number: F1178
Publication Number: P3717
Publication Number: P3302
Publication Number: P3665
Publication Number: F0448