NDSU Extension Service - Mercer County

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Time to Scout for Banded Sunflower Moth, Diversify Your Tree Plantings

Banded Sunflower Moth, ND Tree Selector, tree plantings

Submitted by Craig Askim, Extension Agent, Agriculture and Natural Resources

Time to Scout for Banded Sunflower Moth

IPM scouts are detecting increasing numbers of banded sunflower moths in pheromone traps. Sunflower crop development is in the vegetative growth stages to R3 in surveyed fields of North Dakota. Sunflower should be scouted for banded sunflower moth eggs or adult moths when most of the plants in the field are at plant stage R3 (distinct bud elongated ¾ inch above the nearest leaf, yellow ray petals not visible). See NDSU YouTube Video on Banded Sunflower Moth Egg Scouting and the NDSU Extension Publication E823 Banded Sunflower Moth for more information.

Banded sunflower moth (just like sunflower moth) causes similar damage where larvae tunnel through the seeds. Larvae may consume part or all of the contents of the developing seed, and can cause significant yield losses when populations are at the economic injury level.

Sampling sites should be at least 75 to 100 feet from the field margins. In monitoring a field, use the X pattern, counting moths on 20 plants per sampling site (5 sampling sites) to obtain the total number of moths per 100 plants. Sampling should start in the late bud stage (R3), usually during mid-July and continue through late flowering (R5.7).

Diversify Your Tree Plantings

Fall is right around the corner and is a good time to plant trees, here is a new online tool that can help you make the best selection of what type of trees to plant in the area/location you have to work with. Diversification is a good thing to keep in mind when planting trees, by diversifying you are reducing your chances of disease development from occurring, and maximizing the best possible situation for trees to develop and grow correctly.

Many species of tall deciduous trees are available for conservation and urban plantings. The ND Tree Selector is an online tool that helps users choose tree and shrub species based on a variety of characteristics. Are you looking for something that is fast growing or a tree that is long-lived? Perhaps a species with pretty flowers?  The ND Tree Selector can help you find species to consider for your next planting.

Until next time!

Craig

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