Diplocarpon rosae

Names

Diplocarpon rosae in different languages.

Actinonema rosae
Fabraea rosae
Marsonina rosae
Marssonia rosae
Marssonina rosae

Resources

2 resources available. Click on the image to preview, click on the publisher link to download.

Black spot disease in roses


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FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Suriname
,
June
2012
Black Spot disease in Roses
Recognize the problem
The disease is caused by a fungus and can initially be recognized by small dark
brown to black spots on leaves and stems (a few mm to 1.5.cm). The more or
less round spots have wavy margins. In an advanced stage the spots enlarge
to form dark patches surrounded by yellow rings (see picture). Symptoms are
seen on...

plantwise.org

Controlling Diseases and Aphids on Your Roses


ec1520.jpg

RosesC O N T R O L L I N G D I S E A S E S A N D A P H I D S O N Y O U R
EC 1520
$2.00
AUGUST 2000
http://extension.oregonstate.edu/catalog/orderinfo.php
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2
C O N T R O L L I N G D I S E A S E S A N D A P H I D S O N Y O U R
oses
M. Hoffer, J. Pscheidt, and J. DeAngelis
Roses are the most popular perennial flowering plant in the United States, and they grow well inthe Pacific Northwest (PNW). Our...

catalog.extension.oregonstate.edu

Natural enemy

Q&A