Past Featured Diagnoses


Date Submitted: August 27, 2013

Location: Growing on plants along roadsides

Diagnosis: Dodder

Pest: Cuscuta spp.

Dodder Extension Publication

Bacterial Leaf Scorch on Chitalpa

Date Submitted: July 22, 2013

Host: X Chitalpa tashkentensis

Diagnosis: Bacterial leaf scorch

Pest: Xylella fastidiosa

More Photos of Xylella fastidosa on Chitalpa

Xylella PowerPoint Presentation

Phymatotrichum Root Rot

Date Submitted: June 13, 2013

Host: Apricot and Chinese Pistache

Diagnosis: Phymatotrichum root rot

Pest: Phymatotrichopsis omnivorum

More Photos of Phymatotrichum Root Rot on Chinese Pistache

Phymatotrichum Root Rot Publication

Black Spot of Rose

Date Submitted: May 6, 2013

Host: Rose

Diagnosis: Black Spot

Pest: Diplocarpon rosae

Black Spot of Rose Fact Sheet

Loose Smut on Wheat

Date Submitted: April 5, 2013

Host: Wheat

Diagnosis: Loose smut

Pest: Ustilago tritici

Loose Smut on Wheat Fact Sheet

Phomopsis Blight on Juniper

Date Submitted: November 2, 2012

Host: Juniperus sp.

Diagnosis: Phomopsis blight

Pest: Phomopsis juniperovora

Phomopsis Blight Fact Sheet

Black Rot on Butternut Squash

Date Submitted: October 29, 2012

Host: Pumpkin (Cucurbita spp.)

Diagnosis: Black rot

Pest: Didymella bryoniae (asexual stage = Phoma cucurbitacearum)

Black Rot of Cucurbits Fact Sheet

Bacterial Leaf Spot on Pumpkin Fruit

Date Submitted: October 3, 2012

Host: Pumpkin (Cucurbita spp.)

Diagnosis: Bacterial leaf spot

Pest: Xanthomonas campestris pv. cucurbitae

Bacterial Leaf Spot of Cucurbits Fact Sheet

Rose Mosaic Virus

Date Submitted: September 24, 2012

Host: Rose

Diagnosis: Rose Mosaic Virus

Pest: Prunus Necrotic Ringspot Virus - an RNA virus

Rose Mosaic Virus Fact Sheet

Pythium Blight

Date Submitted: August 20, 2012

Host: Turfgrass

Diagnosis: Pythium blight

Pest: Pythium sp.

Pythium Blight and Pythium Root Rot Fact Sheet

Alfalfa Mosaic Virus

Date Submitted: July 23, 2012

Host: Chile Pepper (Capsicum annuum)

Diagnosis: Alfalfa Mosaic Virus (AMV)

Pest: Alfalfa Mosaic Virus - a single-stranded RNA virus

Alfalfa Mosaic Virus Fact Sheet

Pink Root on Onions

Date Submitted: June 20, 2012

Host: Bulb Onion (Allium cepa)

Diagnosis: Pink Root

Pest: Phoma terrestris (a fungus)

Pink root Fact Sheet

Entomosporium Leaf Spot

Date submitted: May 29, 2012

Host: Indian Hawthorne (Raphiolepis indica)

Diagnosis: Entomosporium leaf spot

Pest: Entomosporium sp. (a fungus)

Entomosporium Fact Sheet

Image of dodder
Close-up of dodder, Cuscuta spp. (Photo: Rio Arriba County Cooperative Extension Service)
Image of bacterial leaf scorch on chitalpa
Leaf symptoms of bacterial leaf scorch on chitalpa (Photo: Natalie P. Goldberg, NMSU-PDC)
Image of hyphae of Phymatotrichum omnivorum
Fungal strand of Phymatotrichopsis omnivorum from Chinese Pistache (Photo: Jason French, NMSU-PDC)
Image of black spot of rose
Black spot of rose (Photo: Jason French, NMSU-PDC)
Image of loose smut on wheat
Loose smut on wheat (Photo: Mark Uchanski, NMSU)
Image of Phomopsis blight on Juniper
Phomopsis blight on Juniper (Photo: L. Gallagher, Sandoval County, NM)
Image of black rot on butternut squash
Black rot of butternut squash (Photo: Taylor Gobble, NMSU - PDC)
Image of pumpkin with bacterial leaf spot
Bacterial leaf spot on pumpkin (Photo: Natalie P. Goldberg, NMSU-PDC)
Image of rose mosaic virus
Rose mosaic virus (Photo: Natalie P. Goldberg, New Mexico State University)
Image of Pythium blight on turfgrass
Pythium blight on golf green (Photo: Karl Danneberger, The Ohio State University)
Image of Alfalfa Mosaic Virus on Peppers
Alfalfa mosaic virus on chile peppers (Photo: Natalie P. Goldberg, NMSU-PDC)
Image of pink root on onions
Pink root on onions (Photo: Natalie P. Goldberg, NMSU-PDC)
Image of Entomosporim leaf spot
Entomosporium leaf spot on Indian hawthorne (photo: NMSU-PDC)