stem spot

Listing 1 - 10 from 409 for stem spot

Diseases of Holiday Cacti
... stem spot Cercospora sp. Fusarium root and stem rot Fusarium oxysporum Schlechtend.:Fr. Fusarium moniliforme J. Sheld Phomopsis stem spot Phomopsis sp. Phytophthora stem rot Phytophthora parasitica Dastur Phytophthora spp. Pythium root and stem ...
www.apsnet.org

New Disease Reports - Volume 10: August 2004 - January 2005
... . Chang Fusarium wilt of Phoenix canariensis: first report in Greece K. Elena A leaf and stem spot of Alternanthera philoxeroides (alligatorweed) in Australia caused by Nimbya sp. R.L. Gilbert, B.A ... Murcia (Spain) L. Velasco, B. García, I. Hita & V. Padilla Occurrence of grapevine leaf spot caused by Pseudocercospora vitis in Argentina M. Sisterna & L. Ronco First outbreak and occurrence of ...
www.bspp.org.uk

Cork Spot And Bitter Pit Of Apples, HYG-1403-92
... time are described below for each specific disorder. Cork Spot Symptoms Cork spot generally appears in the outer portion of the fruit ... fruit. Rarely are pittings found on the shoulder toward the stem end of the apple. Symptoms of bitter pit are seldom ... not apply at temperatures above 85 degrees F. Symptoms of Jonathan Spot Jonathan spot lesions are typically deep brown to black, superficial, slightly ...
ohioline.osu.edu

Strawberry Leaf Spot Diseases, HYG-3015-95
... by causing new infections during moist, warm conditions. Leaf Spot Leaf spot is caused by the fungus, Mycosphaerella fragariae. Symptoms of leaf spot first appear as circular, deep purple spots on the upper ... cases, stolons, fruit trusses and petioles may become infected which may girdle and kill the stem. The fungus overwinters as mycelium or fruiting structures on the old leaves that remain ...
ohioline.osu.edu More from this site

New Disease Reports - Eye-spot of Rudbeckia laciniata caused by Corynespora cassiicola in Brazil
... cassiicola in Brazil Reports Search NDR About NDR Editors Author Info Submission Links Eye-spot of Rudbeckia laciniata caused by Corynespora cassiicola in Brazil J.L. Da Silva, D. ... 2). Petiole and stem lesions are brown, elongated and irregularly dispersed. Figure 1-2: Symptoms of Corynespora cassiicola on Rudbeckia laciniata. 1: General view of Rudbeckia laciniata with leaf spot symptoms; ...
www.bspp.org.uk

COTTON STEM CANKER, WET WEATHER BLIGHT, OR ASCOCHYTA BLIGHT
... stem canker, postemergence damping off, and be part of the complex of boll rotting organisms. Causal Organism and Symptoms Figure 1. Leaf spot caused ... of the fungus P. exigua in a leaf spot on cotton. Figure 3. Cotton stem canker caused by P. exigua. Phoma exigua is ... If the leaf spot progresses, cotyledons and young leaves may turn brown and die. The most prominent symptom of the stem canker phase ...
www.ces.ncsu.edu

Leaf Spot
... reduction in yield. This disease can produce flecking, leaf anthracnose and stem lesions. Gloeosporium leaf spot was first described as a stem and leaf fleck disease of blueberry. Symptoms first appear as small reddish flecks on young leaves and stems of succulent shoots. Leaf and stem flecks ...
www.ces.ncsu.edu More from this site

Re: Cypripedium stem rotting (Turface used in mix)
... am 26 Mai, 2006 um 23:18:33 Antwort auf: Re: Cypripedium stem rotting (Turface used in mix) von Bryan Balmer am 26 Mai, ... to 11 noses/14 flowers in 6 years in a prepared spot in the open garden. Antworten: Ihre Antwort Name: E-Mail: Subject: Text: : ... flower to 11 noses/14 flowers in 6 years in a prepared spot in the open garden. Optionale URL: Link Titel: Optionale Bild-URL: [ Antworten ] [ Ihre ...
www.cypripedium.de

Septoria Leaf Spot of Tomato
... spots. Severely infected leaves die and drop off. Septoria leaf spot is easily distinguished from early blight, another foliar disease of ... rings in the spots; however, Septoria leaf spot is sometimes confused with bacterial spot of tomato. The presence of fruiting bodies ... the spots, confirms Septoria leaf spot. Favorable weather permits infection to move up the stem, causing a progressive loss of ...
www.ext.vt.edu

ivy leaf spot
... : Reprinted with permission from The American Ivy Society. Ivy Leaf Spot By Russell Windle Assistant Director of Research Growing ivies outside ... . These create the spores that spread the fungus. Bacterial Leaf Spot is caused by Xanthomonas campestris pv. Hederae. It first appears ... may also be a yellow to red halo around the spot. Petiole and stem cankers can also develop. This all sounds terrible, but ...
www.ivy.org

These listings are filtered
View all for stem spot