Catchweed Bedstraw

Pest: Catchweed Bedstraw (Galium aparine)

Pest Type: Annual broadleaf weed, grass

Major Identifying Features: Climbing and clinching weed, cotyledons are oblong to egg shaped, no hairs and smooth, mature plants grow up to 6 feet, form dense mats that sprawl over other plants, fast growing

Life Cycle: Winter or summer annual with peak germination in in mid-to late December and February and March, germinate from seed, flowers are self-pollinated, seeds can be dormant for up to 3 years

Pest Rating: Moderate

Management Rating: Difficult

Host/Season/Outbreak Information: Widespread throughout the world, grows in moist and shady areas

Damage Information: Can reduce agricultural yields of cereals and can tangle in equipment, it can host other pests, can reduce livestock productivity, competes for nutrients, water and light, seeds stick to fur and other surfaces

Management Options: Cultural by removing existing plants before they flower, by weeding and hand pulling, hoeing, mulching, sowing competitive plants, chemical control with oryzalin, oxyfluorfen, glyphosate, quinclorac, diclobenil, carfentrazone, dicamba, organic clove oil




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