Impact of Maize Formulated Herbicides Mesotrione and S-Metolachlor, Applied Alone and in Mixture, on Soil Microbial Communities.
Table 2
Richness () and the Shannon-Weaver () index, estimated from DGGE fingerprints of bacterial 16S rDNA and fungal rDNA (ITS) genes, respectively. Comparisons were made between control and treatments for a given sampling date. Bacterial results were reported as means (±SEM) ().
Soil treatments
Day 2
Day 8
Day 42
Day 93
N
N
N
N
Estimated by analysis of bacterial DGGE fingerprints
T
C1
C10
DG1
DG10
M1
M10
Estimated by analysis of fungal DGGE fingerprints
T
48
3,55
40
3,29
47
3,54
35
3,27
C1
47
3,49
42
3,41
39
3,39
38
3,46
C10
47
3,42
39
3,33
38
3,34
40
3,51
DG1
47
3,45
35
3,16
42
3,45
36
3,39
DG10
45
3,34
45
3,33
39
3,4
37
3,41
M1
48
3,56
43
3,25
40
3,38
34
3,26
M10
48
3,48
38
3,06
41
3,44
37
3,33
Means followed by *are significantly different (), and **highly significantly different () from control (T) for a given sampling date using the Student’s -test for two samples.