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External and internal ring rot symptoms on two potato samples.

Bacterial Ring Rot: Yet another devastating disease of potato

Ring rot is primarily a disease of stored tubers and seed potatoes, where it produces black or brown lines just below the surface of the potato.

4-H member guiding her dog through a course at the State Dog Show
Aug 15

State Dog Show - Central Championships

The Central Championships of the 2026 State Dog Show will take place Saturday, August 15, at the Davison County 4-H Complex (3200 W. Havens Ave., Mitchell, SD 57031).

4-H member guiding dog through course at State 4-H Dog Show
Aug 29

State Dog Show - Western Championships

The Western Championships of the 2026 State Dog Show will take place Saturday, August 29, at RyeDoodle Boarding & Training (4223 Peaceful Pines Rd, Rapid City, SD 57702).

A mobile hotspot divice

Rural Library Hotspot Lending Program

The SDSU Extension and AARP South Dakota Rural Library Hotspot Lending Program provides hotspot lending through rural public libraries, allowing community members to “check out the Internet” and bring connectivity to the comfort of their homes.

Young boy measuring flour, 4-H, Cloverbuds

Cloverbud Corner

Different lesson plans and activities for Cloverbud-aged 4-H members.

Horticulture research plot with rows of tarp-covered crops and living mulch between them.

Research Report: Warm-Season Living Mulch Impacts on Cucumber Yield and Disease Symptoms

A 2025 trial in Brookings, South Dakota aimed to detect the influences of various warm-season cover crop living mulches on pest pressure in tomatoes and cucumbers and the interactions between both grafted and nongrafted tomatoes and cucumbers and the living mulch.

4-H ribbons and awards stacked on a table.
Jul 16

4-H County Achievement Days and County Fair Schedule

SDSU Extension's South Dakota 4-H program will be hosting county fairs and achievement days across South Dakota beginning in July 2026.

South Dakota Mesonet weather station along agricultural land in Beresford, South Dakota.

Building Resilient Farms Amid Increasing Weather Variability

Recent decades have brought a noticeable increase in climate variability in South Dakota. Understanding these trends and adopting adaptive management practices can help producers strengthen the resilience of their operations.

grass leaves with yellow and brown streaking on the tops and edges

Grass Diseases of South Dakota Identification Guide

Common grass disease identification guide.

Herbicide sprayer on the edge of an emerging soybean field.

Syngenta to Stop Production of Gramoxone®

Global pesticide developer Syngenta announced on March 3, 2026 that they will cease global production of the herbicide product Gramoxone® (paraquat), a pivotal source of weed control in corn and soybean production, by June 30, 2026.