Tag Archives

Archive of posts published in the category: soil
Aug
5

Stem Canker on Soybeans

Stem canker is a disease that has been observed at increasing levels in many regions where soybeans are produced.  In Delaware and Maryland we typically observe both Northern and Southern stem canker.  Although different in some aspects, their overall impacts and management are…

Jul
31

Southern Blight in Soybeans

Southern blight of soybeans, caused by the soilborne fungus Sclerotium rolfsii, is increasing in areas of Virginia and may be observed in some areas of Delaware and Maryland.  This is not the same as the white mold pathogen Sclerotinia sclerotiorum, although it is…

Sep
22

Best Management Practices for Dickeya in 2017 Potatoes

Avoid purchasing varieties (with lot numbers) which are known to have Dickeya from any source. Do not purchase seed from those growers/brokers with a known history of Dickeya. Do not rely on Blackleg tolerance levels reported on the North American Seed Health Certificates…

Mar
29

Dickeya blackleg updates and considerations for 2016 potato crop

In 2014 and 2015, growers in many parts of the region started to notice black leg symptoms popping up in fields.  However, careful inspection of plants suggested that this was not your typical black leg, which is a seed piece issue resulting from…

Jun
14

Soybean seed treatments

 I have been asked about the effectiveness of seed treatments in soybean by several growers.  Are seed treatments useful?  As usual, the answer is, “It depends.”  Fungicide seed treatments can increase the germination of poor quality seed if the low quality is due…

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