Table 2: SI values obtained for alkaline proteases, pectinases and amylases following plate-test screening.

Isolate   Proteases Pectinases Amylases
Isolate   Dc Dh   SI Dc Dh   SI Dc Dh   SI
Isolate   (mm) (mm)   (Dh/Dc) (mm) (mm)   (Dh/Dc) (mm) (mm)   (Dh/Dc)
LBW 2719 a 2 b 5 20   4 4 15   3.8
LBW 226 a 2 b 5 20   4 3 10   3.3
LBW 318 a 2 b 5 20   4 3 11   3.7
LBS 77 a 2 b 5 22   4.4 4 14   3.5
LBK 261   5 28   5.6 10 22   2.2 13 22   1.7
LBW 4512   5 23   4.6 10 18   1.8 8 22   2.8
LBW 327   5 23   4.6 10 18   1.8 9 21   2.3
LBW 434   7 28   4 12 18   1.5 8 18   2.3
LBW 7526a   8 19   2.4 10 18   1.8 13 23   1.8
LBW 39   6 17   2.8 12 18   1.5 11 22   2
LBW 7526b   8 17   2.1 10 18   1.8 11 20   1.8
LBW 328   8 15   1.9 10 20   2 14 23   1.6
LBS 16   5 15   3 10 20   2 11 20   1.8
LBW 625   7 15   2.1 10 17   1.7 11 20   1.8
LBW 446   6 19   3.2 15 22   1.5 13 28   2.2
LBW 5117   7 17   2.4 10 18   1.8 11 24   2.2
LBW 313   5 32   6.4 2 No halo c 8 12 1.5
LBW 317   5 30   6 1 No halo c 8 12 1.5

Key: a, No visible growth. b, Minor and unquantifiable enzyme. c, No enzyme produced.