Figure 5. Example plate layout for disk diffusion method

From

Effects of Shade on Antibacterial Production in Aloe Vera Plants: A Model Course Based Undergraduate Research Experience for First- and Second-Year Chemistry and Biochemistry Students

Lauren Fields, Whitney R. Craig, Sally A. Wasileski, Amanda L. Wolfe

World Journal of Chemical Education. 2019, 7(4), 248-253 doi:10.12691/wjce-7-4-3