Powdery Mildew on Phlox and Monarda

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University of Vermont

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Powdery Mildew on Phlox and Monarda

Powdery Mildew-- The Problem

Phlox-- Connecticut Ratings White Flower Farm, Aug. 1986 23 cultivars, rated with Sinclair Adam, Jr.

Phlox-- Chicago Ratings Chicago Botanic Garden, Aug. 1996 12 cultivars, Richard Hawke

Phlox-- Chicago Ratings Chicago Botanic Garden, Aug. 1996 12 cultivars, Richard Hawke

Phlox-- Cultivar Comparisons Vermont and Long Island (M. Daughtrey) 1991-92, 24 cultivars, 6 replicates

Phlox-- Cultivar Comparisons Conclusions

“Organic” Controls Research University of Vermont, 1991-93, 6 replicates Phlox paniculata ‘White Admiral’

“Organic” Controls Research University of Vermont, 1991-93, 6 replicates Phlox paniculata ‘White Admiral’

Antidessicants (Antitranspirants)

Forceful Water (not investigated)

Forceful Water--more

Monarda-- Chicago Ratings Chicago Botanic Garden, Aug. 1996 19 cultivars, Richard Hawke

Monarda Cultivar Comparisons University of Vermont, 1994-97 17 cultivars, 6 replicates

Future Perennials Disease Research at the University of Vermont

Author: Dr. Leonard P. Perry
Extension Professor

Email: lpperry@zoo.uvm.edu

Home Page: http://www.uvm.edu/~pass/perry/

Other information:
A brief look at 10 years of northern research on powdery mildew on phlox and monarda. Created 2/6/98.