or applied to the soil surface plants are treated at two stages preemergence or postemergence when the sugarbeets are at the 2 3 true leaf stage plants are grown in a temperature controlled greenhouse for the duration of the test weed control and crop injury are evaluated visually at 3 4 after compound application using a scale of 0 to 100 where 0 no injury and 100 complete death of the plant all plants are rated with respect to untreated plants checks grown in the greenhouse under identical conditions to the treated plants table e______________________________________cmpd 51 rate gm ha 0500 0250 0125 0064______________________________________postemergencepark wheat 0 0 0 0bonanza barley 0 0 0 0black nightshad 60 40 0 0cmn chickweed 0 0 0 0lambsquarter 40 20 0 0ctchwd bedstraw 50 0 0 0kochia 0 0 0 0sntls chamomile 60 40 20 0redroot pigweed 90 60 50 30persn speedwell 40 20 0 0wild buckwheat 0 0 0 0mustard spp 30 30 30 0wild radish 60 30 30 0ann bluegrass 50 20 0 0italn ryegrass 0 20 20 0blackgrass 0 0 0 0green foxtail 0 0 0 0wild oats 0 0 0 0jet rape 20 0 0 0preemergencepark wheat 0bonanza barley 30black nightshad 100cmn chickweed 0lambsquarter 100ctchwd bedstraw 0kochia 70sntls chamomile 100redroot pigweed 70persn speedwell 20wild buckwheat 0mustard spp 0wild radish 0ann bluegrass 20italn ryegrass 0blackgrass 0green foxtail 100wild oats 20jet rape 0______________________________________ cmpd 644 rate gm ha 0500 0250 0125 0064______________________________________postemergencepark wheat 40 30 20 0bonanza barley 40 20 20 0black nightshad 20 10 0 0cmn chickweed.