Southern Rust of Corn

southernSouthern corn rust is a fungal disease that generally affects corn after silking.

Weather conditions can have a significant affect on when southern rust develops and how far and how quickly the disease spreads.

Yield loss can be severe, especially in late-planted corn.

Spotlight: Southern Rust of Corn

Abnormal Corn Ear Development

Environment or chemical stress during the vegetative and early reproductive stages (V5 to R3) of corn can cause abnormal or malformed ears. Distinctly different symptoms develop depending on the timing, type, and severity of the stress corn undergoes. Pesticide applications can be a source of stress on corn if application occurs outside of product label…

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Sudden Death Syndrome in Soybean

– Sudden death syndrome (SDS) is one of the most important diseases of soybean in North and South America. – Soybeans are at greater risk for SDS when planted into cool, wet soils, when SCN is present, and when summer rains cause saturated soils. – Managing SDS can involve several practices such as relieving soil…

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Palmer Amaranth: A Weed to Watch

Palmer amaranth is spreading to fields in various regions of the United States and control of this weed is imperative to maintain productivity. It is important to correctly identify it from other Amaranthus species as it is aggressive, competitive, and has many characteristics common to plants that are prone to develop herbicide resistance. The earlier…

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Adult Corn Rootworm Management

 – Adult corn rootworm (CRW) management can help protect yield potential this season as well as decrease egg laying next season. – Control measures to protect the ears from silk clipping may not be the same as those used to suppress larvae populations the following season. – Scouting can be intensive and involves beetle counts and…

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Agronomic Alert: Rapid Growth Syndrome in Corn

– Rapid growth syndrome (RGS) describes a situation where random plants across a corn field exhibit tightly rolled upper plant leaves that do not unfurl normally. – Within a week, twisted leaves usually unfurl and affected plants resume normal growth. – RGS has been observed in years when cool, cloudy weather was followed by a…

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