Alfalfa Weevil

Alfalfa windrow being collected by harvester
To minimize nutrient loss from rain events during alfalfa harvest, spread windrows as wide as possible and condition at harvest, which can reduce dry down from two days to half a day.

Pasture and Forage Minute: Considerations for Alfalfa Disease, Harvesting During Wet Summers and Weevil Feeding on Regrowth

June 25, 2024
Recommendations for alfalfa producers on managing windrow disease, navigating rain issues during harvest, and estimating alfalfa weevil thresholds when regrowth feeding has been observed.

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Map of reporting educators in Nebraska

Extension Crop and Pest Reports (June 10-14)

June 13, 2024
Extension educators share their observations in Nebraska fields this week.

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Extension reports map

Extension Crop and Pest Reports (May 27-31)

May 30, 2024
Extension educators share their observations in fields across the state this week.

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Leafy spurge closeup
Leafy spurge spreads aggressively and is difficult to control once established. Several herbicides are labeled for control of this weed, but continued monitoring and retreatments are necessary for best results.

Pasture and Forage Minute: Controlling Leafy Spurge and Alfalfa Weevil, Planting Warm-season Annuals

May 28, 2024
Strategies for reducing spread of leafy spurge and scouting for alfalfa weevil, plus insights on selecting and planting warm-season annuals.

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Extension educator county map

Extension Crop and Pest Reports (May 20-24)

May 24, 2024
Extension educators share their observations in Nebraska fields this week.

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Alfalfa weevil damage to plant

Extension Crop and Pest Reports (May 13-17)

May 16, 2024
Extension educators report on what they are seeing in the fields this week in Colfax, Butler, Polk, Adams, Kearney, Franklin and Webster counties, and the Panhandle.

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Alfalfa field irrigated by center pivot
Early season irrigation linked with first cutting alfalfa can potentially lower water use sharply, as transpiration is lower when the leaf foliage is removed.

Pasture and Forage Minute: Early Season Irrigation, Controlling Alfalfa Weevil

April 23, 2024
This week, extension educators discuss strategies for early season irrigation of alfalfa to lower seasonal water use, controlling alfalfa weevil and flash grazing in spring to mitigate early pasture weeds.

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Alfalfa weevil larvae and plant damage on alfalfa
Alfalfa weevil larvae (pictured at left) spend nearly all their time feeding on fresh leaf tissue, causing alfalfa plants to wilt and turn brown (at right), which can look similar to the effects of drought and cold injury. (CropWatch file photos)

Pasture and Forage Minute: Alfalfa Weevil Scouting, Dealing with Stress

March 12, 2024
Recommendations on scouting for alfalfa weevil in the coming weeks, and resources for ag producers dealing with stress and other impacts to their health and wellbeing.

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