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Evaluation Of Bas 9052 & Bas 9021 For Control Of Johnsongrass (Sorghum Halpense) In Soybeans (Glycine Max), Sheryl Rogers
Evaluation Of Bas 9052 & Bas 9021 For Control Of Johnsongrass (Sorghum Halpense) In Soybeans (Glycine Max), Sheryl Rogers
Masters Theses & Specialist Projects
The lack of adequate weed control is one of the major problems encountered in soybean production. Johnsongrass presents one of the most serious weed control problems in the Southeastern United States. numerous herbicides are used in an effort to control johnsongrass, and research is still being conducted to find new herbicides for this purpose. Two of these herbicides are BAS 9021 [6,6-dimethyl-2,4-dioxo- 3[1-[2-(propenyloxy)amino]butylidene]-cyclohexane] and BAS 9052 [2-(n-ethoxybutyrimidoyl)-5-(2-ethylthiopropy1)-3- hydroxy-2-cyclohexen-1-one].
In 1978, johnsongrass control with BAS 9021 at 1.1 and 1.7 kg/ha in sim-le early postemergence or late postemergence applications, or in each of two split applications, was evaluated using the herbicide …