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NC_extension

Help, my plants are
dying!

Contact your local extension agent for assistance. Agents are the bridge between the public and Extension specialists at land-grant universities. Agents educate the public through consultation, newsletters, and social media.

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NC_extension

Help, my plants are
dying!

Contact your local extension agent for assistance. Agents are the bridge between the public and Extension specialists at land-grant universities. Agents educate the public through consultation, newsletters, and social media.

READ THE REST »
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The NC Plant Disease
and Insect Clinic

The NC Plant Disease and Insect Clinic diagnoses plant problems for farmers, growers, landscapers, homeowners, and gardeners. In consultation with expert faculty, we recommend ways to control diseases and pests.

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USAblight

USAblight: potato and
tomato late blight alert system

Stay updated with the latest reports of potato and tomato late blight outbreaks in the US through USAblight

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NCSU_plantpath

Welcome to the Plant
Pathology Portal!

This website was designed by the Department of Plant Pathology at NCSU to centralize crop disease information for commercial growers, home gardeners and Extension agents in NC. Enjoy your visit!

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CDM_IPMpipe

Cucurbit Downy Mildew
IPMpipe

Stay updated with the latest reports of cucurbit downy mildew outbreaks in the US through the cucurbit downy mildew IPMpipe 

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Close-up of cucurbit downy mildew symptoms on cucumber leaf. Note angular lesions bound by leaf veins (Photo Dr. Lina Quesada, NCSU Vegetable Pathology Lab)

Cucurbit downy mildew in FL, GA, and SC popular

Cucurbit downy mildew, caused by the oomycete Pseudoperonospora cubensis, is a yearly concern for North Carolina cucurbit growers.  The disease affects cucurbit crops such as cucumber, watermelon, cantaloupe, pumpkin, and squash, but cucumber MORE »

Fig. 3: Trays of watermelon transplants infected with gummy stem blight (Photo: Shawn Butler, NCSU Plant Disease and Insect Clinic)

Controlling gummy stem blight on watermelon

Gummy stem blight, caused by Didymella bryoniae (Fig. 1), was confirmed last month in Florida and we are starting to see a few cases in North Carolina (Fig. 2). Growers are encouraged to actively MORE »

21211_Pelargonium_2015B

Bacterial Blight Confirmed on Geranium

Bacterial blight, caused by Xanthomonas hortorum pv. pelargonii, was confirmed on a geranium sample from a North Carolina greenhouse this week. For more information, please see the recent post on the NCSU Plant MORE »

Bacterial Blight of Geranium

For the first time in several years, the Plant Disease and Insect Clinic received a sample of geranium with bacterial blight caused by Xanthomonas hortorum pv. pelargonii (formerly Xanthomonas campestris pv. pelargonii) from …

– from the   PDIC blog

Updated peanut disease photos now online popular

An updated version of the pdf “Peanut Disease Photos” has been posted. Color images of 16 diseases and disorders commonly found on peanut in North Carolina, along with notes describing key signs and MORE »

Black perithecia at 25x magnification extending from the surface of a black rot lesion (Andrew Scruggs, NCSU Vegetable Pathology Lab).

Preventing sweetpotato black rot and scurf popular

Black rot of sweetpotato is caused by the seed and soil borne fungus Ceratocystis fimbriata.  Root symptoms include large circular, brownish to black, dry rots (Fig. 1). Plant symptoms in the field include MORE »

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