Definition of diastereomer. : a stereoisomer of a compound having two or more chiral centers that is not a mirror image of another stereoisomer of the same compound â compare enantiomer.
Most perennial weeds such as Johnsongrass. are also suppressed although vigorous plants or heavy in-. festations may lift plastic. Perennial sedges, and to a lesser. extent, grasses can puncture sheet mulches as the weeds. emerge from the soil, resulting in inadequate control.
Each row should be the same color, and colors should be kept in order. The classic twister mat is only four rows with 6 circles in each row; however, make the mat as large as you like for twister fun with a larger group. Remove the masking tape if necessary and then your twister mat is ready to use.