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Andy Robinson

Potato Extension Agronomist

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Potato Extension

NPPGA Research Reporting Conference

NPPGA Research Reporting Conference

The NPPGA Research Reporting Conference will be held on February 20, 2018 at the Alerus Center in Grand Forks, ND. Come and learn about the research and Extension activities going on for the potato growers.

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Chemical Drift in Potatoes

Chemical Drift in Potatoes

This presentation was given at the Potato Growers of Alberta conference. We discussed chemical drift in potatoes. The rates are formatted for a Canadian audience (L/a), but can be converted to oz/a by this formula: oz = L * 33.8.

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NDSU NDAWN Potato Blight App

NDSU NDAWN Potato Blight App

The NDSU NDAWN Potato Blight app is now available at no cost. This app work in conjunction of the North Dakota Agriculture Weather Network (NDAWN) utilizing weather data to determine late blight and early blight values for individual fields. Users may access current weather conditions at any NDAWN location. Users can subscribe to Blightline updates, early blight alerts, late blight alerts and inversion alerts.

NDSU NDAWN Potato Blight App - Read More…

Dicamba and Glyphosate Damage in Russet Burbank Seed Potatoes

Dicamba and Glyphosate Damage in Russet Burbank Seed Potatoes

There has been a lot of talk about dicamba injury in soybean and other crops this past year because of the release of dicamba-tolerant soybean, or the RoundupReady® 2 Xtend® soybean. However, dicamba is not new and has been in use for decades in cereal crops, pastureland, and as a weed burndown. For the past two growing seasons, we have been gathering data to determine what effect does dicamba and glyphosate have on Russet Burbank seed tubers.

Dicamba and Glyphosate Damage in Russet Burbank Seed Potatoes - Read More…

Common Scab

Common Scab

Every year I get multiple questions about common scab. This potato blemish causes unwanted ugly, scabby lesions that spoil the appearance of the tuber and make them undesirable to consumers or difficult to process. Although there is no method known to completely control this disease, there are some management options that can help reduce the severity of common scab on potato.

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Aphid Alert September 15, 2017

Aphid Alert September 15, 2017

Although few aphids were captured this week, 2 sites reported Green Peach Aphids (2 from Brooks MN and 1 from Tappen ND). Otherwise only several other vector species were recovered from the traps.

Aphid Alert September 15, 2017 - Read More…

Blightline Sep 12, 2017

Blightline Sep 12, 2017

No new late blight HAS been reported in the past two weeks. All of the late blight in ND, MN and MB was US23. This will be the final NDSU Potato Blightline for 2017.

Blightline Sep 12, 2017 - Read More…

Enlarged Lenticels - Focus on Potato

Enlarged Lenticels - Focus on Potato

This presentation will assist growers, consultants, and other practitioners involved in all regions of the potato industry to better understand and manage enlarged lenticels. The presentation provides information on the development of lenticels, effects of lenticel infections and how to management lenticel spot.

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Aphid Alert

Aphid Alert

Welcome to the Aphid Alert update for the week ending September 08. The colder weather has brought along at least one good thing, the aphid vector numbers took a real tumble this week. With only 6 sites reporting this week, only 34 vector aphids were recovered from across the area (that number was 244 last week!) Only one site had vector numbers in the double digits; Humboldt reported 12 vector species (compared to 93 last week). No Green Peach Aphids were recovered in the past week and Soybean Aphid numbers likewise were much lower.

Aphid Alert - Read More…

Stubby-Root Nematodes and Corky Ring Spot of Potato - Focus on Potato

Stubby-Root Nematodes and Corky Ring Spot of Potato - Focus on Potato

Corky Ringspot is a serious infectious disease of potato. When present, tuber losses can be as high as 50%. The primary symptoms are characteristic concentric rings on tuber skin and internal tissues. The disease is caused by the Tobacco Rattle Virus and vectored by Stubby-Root Nematodes. The virus has a wide host range and stubby-root nematodes are often found at soil depths greater than 12 inches. This presentation is designed to assist potato growers, professional consultants and other practitioners, throughout all potato growing regions, in understanding and managing Corky Ring Spot. It contains information about symptoms of the disease, Tobacco Rattle Virus, Stubby-Root Nematodes and how to sample for this nematode, in addition to the management strategies of containment, exclusion and nematode population control. Special reference is given to chemical and biological control options and the topic of soil health. After hearing this presentation, members of the potato growing community should have a general overall understanding of the nature of Corky Ring Spot and options for managing this key disease.

Stubby-Root Nematodes and Corky Ring Spot of Potato - Focus on Potato - Read More…

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