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sunflower field

An identification guide to Common Stem Diseases of Sunflower in South Dakota

A guide of common stem diseases in sunflowers in South Dakota

An orange beetle with black spots and a white head sitting on a green leaf

Lady Beetles of South Dakota

A guide for monitoring, properly identify, and promoting the growth of lady beetles.

Hand collecting seeds from a flower head.

Saving Seed: Will the seed produce plants similar to the plant it was collected from?

It can be very rewarding to harvest and save seed of ornamental and vegetable plants. But why is it that sometimes when we plant the seed we saved, the results do not seem to be very like the plant we collected the seed from?

Soybean plant with with yellow-chlorotic blotches between leaf veins and noticable browning due to sudden death syndrome.

Sudden Death Syndrome Starting to Develop in Soybeans

Sudden death syndrome of soybean is starting to develop in soybean fields in South Dakota. Fields currently being found with sudden death syndrome have symptomatic plants scattered within the field, but continued disease development may lead to larger clusters of infected plants.

Three common potato issues. From left: Potato scab, knobbing and cracking, and hollow heart.

What’s Wrong With My Potato?

We are accustomed to perfect-looking potatoes from the grocery store, but sometimes our homegrown tubers don’t meet that same standard. Following are a couple of common problems home gardeners may contend with.

group of young piglets

Utilizing Weather-Stressed Corn in Swine Diets

The goals of this factsheet are to help pork producers better understand the nutritional value of weather-stressed corn, how to determine if it’s economical to use, the potential of mycotoxin contamination, and how changes in bulk density affect feed mixing and transportation.

corn field with sunrise in the background

Best Management Practices for Corn Production

iGrow Corn is your unbiased, research-based guide to corn production, providing the latest recommendations to help increase yield, reduce input costs and protect your investment.

A green squash vine with a large, yellow flower blooming from it.

Saving Seed of Pumpkins, Squash, Cucumbers, Melons and Gourds

If gardeners wish to save seed from cucurbits (squash, pumpkins, gourds, cucumbers, and melons), special precautions need to be observed, as these plants are insect-pollinated.

Pepper plant with frost injury.

Fall Frost Tolerance of Common Vegetables

Vegetables vary widely in how much cold they can tolerate as they reach maturity. Learn which ones can tolerate light and heavy frosts and which ones can't.

man holding a small pile of soil in his hands

Recommended Soil Sampling Methods and Instructions

Proper collection of soil samples is extremely important as the accuracy of the soil test depends on the quality of the soil sample provided to the lab.