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Protect Your Potato Crops Against Rhizoctonia

April 27, 2020
Rhizoctonia damage in potatoes

Rhizoctonia damage in potatoes

Rhizoctonia solani, the pathogen that causes Rhizoctonia canker, overwinters in soil and infects potato seedlings early in the season.

When left untreated, Rhizoctonia causes stunted growth in seedlings and weakened roots. Diseased roots do not spread effectively, leaving them more vulnerable to other diseases and pests. Symptoms include brown, sunken lesions on underground stems and black, hardened masses on tubers. If fungal lesions are not treated immediately, stolons and stems may girdle and die, causing major yield loss and disease problems year after year.

Syngenta Potato Technical Development Lead Kiran Shetty, Ph.D., notes that as the season progresses, Rhizoctonia can impact the roots and stolon, causing lesions that will almost cut off the pluming required to take the photosynthates and storage materials into the developing tuber.

Focusing on disease prevention is the best way to protect your potatoes against Rhizoctonia and other potato diseases.

CruiserMaxx® Vibrance Potato seed treatment combines an insecticide component with 3 industry-leading fungicides and can be an important preventive step in your disease management program. The fungicides provide protection against Rhizoctonia, Helminthosporium and Fusarium. The insecticide protects potatoes from key insects, including the Colorado potato beetle, potato leaf hopper, aphids and potato psyllid. CruiserMaxx Vibrance Potato helps enhance germination, improve stand establishment and increase vigor to maximize yield potential.

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