BioMed Research International

Research Article

In Vitro Evaluation of Extracellular Enzyme Activity and Its Biocontrol Efficacy of Bacterial Isolates from Pepper Plants for the Management of Phytophthora capsici

Table 3

Extracellular enzymatic activities of different bacterial isolates.


Isolate no		HOST PLANT	Diameters of the clear zone (mm)
Isolate no	Strain	HOST PLANT	Plant tissue	Protease	Cellulase	Chitinase	Lipase

C	Distilled H₂O			0^cd	0^bc	0^b	0^c
AAUSR1	Bacillus spp.	Pepper	Rhizosphere	0^cd	^ab	0^b	^a
AAUSR2	Bacillus thuringiensis	Pepper	Rhizosphere	0^cd	^ab	^ab	^b
AAUSR5	Achromobacter denitrificans	Pepper	Rhizosphere	0^cd	^bc	0^b	0^c
AAUSR6	Pseudomonas aeruginosa	Pepper	Rhizosphere	0^cd	^a	0^b	0^c
AAUSR7	Stenotrophomonas maltophilia	Pepper	Rhizosphere	^bc	0^bc	b	0^c
AAUSR8	Comamonas testosteroni	Pepper	Rhizosphere	0^cd	0^bc	^ab	0^c
AAUSR9	Pseudomonas aeruginosa	Pepper	Rhizosphere	^a	0^bc	0^b	0^c
AAURE10	Pseudomonas aeruginosa	Pepper	Root	ab	0^bc	0^b	0^c
AARE 11	Pantoea cheilomeans	Pepper	Root	^a	0^bc	0^b	0^c
AAURE13	Pseudomonas aeruginosa	Pepper	Root	0^cd	0^bc	0^b	0^c
AAUSE14	Pseudomonas oryzihabitans	Pepper	Stem	0^cd	0^bc	0^b	0^c
AASR15	Serratia marcescens	Pepper	Rhizosphere	0^cd	0^bc	0^b	^c
AAURE16	Pseudomonas fluorescens	Pepper	Root	^bc	0^bc	0^b	^abc
AAUFE17	Enterobacter xiangfangensis	Pepper	Fruit	0^cd	^abc	0^b	0^c
AAUSR19	Pseudomonas stutzeri	Pepper	Rhizosphere	^ab	^bc	^a	^abc
AAUSR20	Pseudomonas stutzeri	Pepper	Rhizosphere	0^cd	^c	^a	^abc
AAUSR21	Pseudomonas stutzeri	Pepper	Rhizosphere	0^cd	0^bc	^a	^abc
AAUSR22	Enterobacter asburiae	Pepper	Rhizosphere	0^cd	0^bc	0^b	^abc
AAUSR23	Enterobacter hormaechei	Pepper	Rhizosphere	^c	^a	0^b	0^c
AAUSR25	Pseudomonas putida	Pepper	Rhizosphere	0^cd	0^bc	0^b	^abc
AAUSR26	Pantoea spp.	Pepper	Rhizosphere	0^cd	0^bc	0^b	^ab
AAUSE27	Pseudomonas aeruginosa	Pepper	Stem	0^cd	0^bc	0^b
AAURE30	Enterobacter hormaechei	Pepper	Rhizosphere	^bc	0^bc	0^b	^abc
AAUSE31	Enterobacter hormaechei	Pepper	Stem	0^cd	0^bc	^a	^bc
AAUSE34	Enterobacter hormaechei	Pepper	Stem	0^cd	0^bc	0^b	bc
AAURE35	Enterobacter cloacae	Pepper	Root	0^cd	0^bc	0^b	^bc
AAULE41	Pseudomonas fluorescens	Pepper	Rhizosphere	^a	^c	0^b	0^c
AAUSR42	Enterobacter cloacae	Pepper	Rhizosphere	0^cd	^ab	^a	0^c
AAUFE43	Aeromonas hydrophila/caviae	Pepper	Rhizosphere	ab	0^bc	17+ 2^a	0^c
AAUSE44	Rhizobium radiobacter	Pepper	Rhizosphere	0^cd	0^bc	^b	0^c
AAUSR46	Rhizobium radiobacter	Pepper	Rhizosphere	0^cd	0^bc	^a	0^c
AAUSR47	Aeromonas hydrophila	Pepper	Rhizosphere	0^cd	^ab	^a	0^c
AAUSR48	Enterobacter cloacae	Pepper	Rhizosphere	0^cd	^ab	0^b	0^c
AAUSR49	Serratia marcescens	Pepper	Rhizosphere	^ab	0^bc	^a	0^c
AAULE51	Undetermined	Pepper	Leaf	^a	^ab	^a	0c
AAUSR52	Pseudomonas stutzeri	Pepper	Rhizosphere	0^cd	a	a	0^c
AAUSR56	Pseudomonas stutzeri	Pepper	Rhizosphere	0^cd	0^bc	0^b	0^c
AAUSR58	Undetermined	Pepper	Rhizosphere	0^cd	0^bc		a
AAUSR59	Undetermined	Pepper	Rhizosphere	0^cd	0^bc	0^b	^bc

: Control without bacterial inoculation. The identities of the bacterial isolates are available in Table 3. Different letters between lines denote that mean values are significantly different () by Tukey’s test, (SE) ().