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A Red Colummbine branch with several, bell-shaped pink flowers hanging from the end.

Wild Columbine

Red columbine, Aquilegia canadensis, is this week’s native perennial to know. Also known as wild columbine, this plant has striking red flowers that droop from the ends of tall stalks.

A plot of land from the side, with plant roots growing down into the soil

SDSU Extension 2025 Crop Hour webinar series starts in January

November 18, 2024

Crop Hour provides producers and industry professionals with information to navigate the
challenges and opportunities of farming in South Dakota. People can participate live via Zoom or watch the recorded presentations on YouTube.

A corn field with several plants displaying long, tan to gray lesions on their leaves.

Goss’s Bacterial Blight Beginning to Show Up in Corn

Goss’s bacterial blight was found in a few corn fields scouted the week of August 5, 2019. The severity ranged from low to moderate, where at least 25 percent of the leaf area was killed by the bacteria infection on several plants. The disease is characterized by long, tan-gray lesions with wavy margins found in the center of the leaf or along the edges of the corn leaf blade.

Left: Picnic beetle adults feeding on a damaged tomato. Right: Multicolored Asian lady beetle adults infesting an apple.

Picnic Beetles and Multicolored Asian Ladybeetles Bothering Produce

Ripe fruit that has been injured can attract undesirable insects into your garden. Some of these insects will feed on the produce, which can completely ruin it by increasing the rate of decay and make it unappealing.

A medium-sized shrub with many upright stems next to a white shed

Woody Weeds: Tatarian Honeysuckle

Tatarian honeysuckle (Lonicera tatarica) was brought to North America from Asia in the mid-18th century for ornamental uses. In South Dakota it was also used as a windbreak species until the 1980s.

Effects of Late Spring Frost on Alfalfa

Forage research indicates that, although alfalfa is considered to have good cold temperature tolerance, minor frost damage may occur when plants are exposed to air temperatures slightly below freezing for several hours, and more severe damage will be seen when temperatures drop below 25°F for four or more hours.

Wheat Streak Mosaic Virus Management: Plan ahead before planting this fall

Have you had a history of moderate wheat streak mosaic disease in your field? Do you plan on planting wheat into wheat stubble or wheat fallow? Have your neighbors had wheat streak mosaic disease outbreaks in the recent past? If you answered yes to any of these questions, you need to incorporate wheat streak mosaic control principles into your management plan before planting winter wheat this fall.