Weed Management in No-Till Cotton (Gossypium hirsutum) with Thiazopyr

摘要

Thiazopyr at 0.14, 0.28, and 0.43 kg ai/ha and pendimethalin at 1.1 kg ai/ha applied preemergence (PRE) were compared as components in weed management systems for no-till cotton. Mid- and late-season control of mixtures of large crabgrass, goosegrass, and fall panicum by thia- Zopyr at 0.28 kg/ha was 89 to 97/100 and 11 to 50/100, respectively, compared with 11 to 38/100 mid- Season and 0 to 5/100 late-season control by pendimethalin. Thiazopyr at 0.42 kg/ha and pendimethalin Controlled broadleaf signalgrass 44 and 0/100, respectively, late in the season.