Sericea Lespedeza: - Weed Science

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Economic Impact ?

• Average annual forage loss of $29

million in Flint Hills region of Kansas

(Scott 1995)

• Long-term economic impact studies

have shown a reduction in the 30-yr net

present value of grazing land in Kansas

from $294/acre for non-infested land to

$74/acre for infested land

(Ambrosia trifida) Management in Soybeans

2011 Herbicide and Weed Management Update

2012 Herbicide and Weed Management Update

Grazing ? • Tannin content increases dramatically with maturity; 6% in 4 inch plants, 21% in 36 inch plants (Stitt 1943). • Cattle may graze it when young, but almost never when plants are > 4-6 inches tall. • Dead stems from previous year persist into the summer, making it difficult for cattle to graze new growth (Koger et al. 2002).

Economic Impact ? • Average annual forage loss of $29 million in Flint Hills region of Kansas (Scott 1995) • Long-term economic impact studies have shown a reduction in the 30-yr net present value of grazing land in Kansas from $294/acre for non-infested land to $74/acre for infested land

Page 1 and 2: Sericea Lespedeza: Definitely invas
Page 3 and 4: Sericea Lespedeza Prolific Seed Pr
Page 5: Sericea Lespedeza Distribution Sour
Page 9 and 10: Influence of Selected Herbicides on
Page 11 and 12: Influence of Selected Herbicides an
Page 13 and 14: Latest Research / What not to Spray

Sericea Lespedeza: - Weed Science

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