Types of Weeds

Broadleaf

Grasses

Sedges

Life Cycles Annuals

– Summer

– Winter

Biennials

Perennials

– Summer

– Winter

Broadleaf Weeds

Dandelion

Perennial

Broadleaf

Common Chickweed

Winter Annual

Broadleaf

Knotweed Summer Annual

Broadleaf

Blackland Aster Summer Annual

Broadleaf

Spotted Spurge Summer Annual

Broadleaf

Henbit

Winter Annual

Broadleaf Weed

Thistle Winter Annual

Broadleaf

White Clover Winter Perennial

Broadleaf

Spurweed (Burweed) Summer Annual

Broadleaf

Matchweed Summer Perennial

Broadleaf

Broadleaf, Perennials

Postemerge

– Hormone-type herbicides

PostemergenceBroadleaf Weed Control

2,4-D Amine Dacamine 4DWeedar 64

MCPP Ortho Chickweed & Clover Killer

Dicamba Banvel

PostemergenceBroadleaf Weed Control 2,4-D Amine + MCPP

– Chipco Turf Kleen– Ortho Weed-B-Gon Killer– 2 Plus 2

2,4-D amine + MCPP + Dicamba– Greenlight’s Wipeout Broadleaf Weed Killer– Ortho’s Chickweed, Spruge & Oxalis Killer– Gordon’s Trimec– Lesco’s Three Way

Growth Regulators

Generally applied postemergence

for broadleaf weed control Symptoms (leaf curling, stem

twisting) occur very quickly Generally short residual activity

in soil Systemically translocated in

susceptible plants

Upset the normal hormone balance in susceptible plants, causing a disruption of several plant processes, i.e. cell enlargement and division, protein synthesis, respirationExample: 2,4-D, MCPA, MCPP, dicamba

Weed Control inDormant Bermudagrass

Roundup

Sencor

Postemergent Weed Control

Young, actively growing weeds

Climatic conditions

Low volume spray applications

Addition of a surfactant

Preemergent Broadleaf Control

Gallery

Snapshot (Gallery + Surflan)