• “Using Insects in Your Garden with Amanda Bachmann, PhD” is the Yankton Seed Library free presentation for Tuesday, June 11, at 2-3 p.m. or 6:30-7:30 p.m. at the Yankton Area Community Library, 515 Walnut St. Dr. Amanda Bachmann, is SDSU extension pesticide education and urban entomology field specialist at SDSU Extension Pierre Regional Center. Her topics include Beneficial Insects, Pollinators vs Pest Management and A Look Outside. Missouri Valley Master Gardeners will assist the session.

• All vegetable gardens have limited space. Vertical spacing is a space option. Choose plants and aids to help save space and give plants adequate sunlight. These are ideas from the All-America Selections website. Choose vining varieties of beans and cucumbers for the garden. Indeterminate tomatoes can use more vertical space than traditional bush tomatoes because they grow taller. Choose structures to hold vining plants that take up less space, such as hog panels held up by steel fence posts. Use natural twine or plant ties to encourage vine growth where needed. If using tee-pee or an A-frame structure for a vine trellis, plant lettuce, radishes and leafy greens in the space underneath. Consider hanging herb pots from the A-frame.

• Pine Wilt disease attacks Scotch and Austrian pines of this region. Pine Wilt was identified in Nebraska in the 1970’s and was detected in Lake Andes in the early 1980’s. According to Dr. John Ball, SDSU Extension Forest Health Specialist, Pine Wilt has stayed along the southern border of South Dakota but now is also identified in Watertown, Pierre and Spearfish. The native nematode attacks exotic pines such as Scotch, Austrian and Mugo but not the native Ponderosa. His advice is to plant fewer of these exotics. The disease is known for sudden decline from one season to the next. Sawyer beetles carry the nematode from tree to tree, so dead tree removal is necessary; by April 1st is best, according to Dr. Ball. Healthy Austrian and Scotch pines can be protected by injections of nematocidal avermectin compounds — abamectin and emamectin benzoate. More about Pine Wilt or inquiries at Dr. Ball’s “The Update”: https://sdda.sd.gov/conservation-forestry/forest-health/tree-pest-alerts/PDF/2019/05-15-2019.pdf

• The video of the “EAB Update and Public Form” can be found on the Yankton Parks and Recreation Facebook page in case you missed the talk. Look for the “Video” tab and choose “Emerald Ash Borer: It’s Here” by Dr. John Ball, South Dakota Tree Health Specialist.

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