Endophytic Colletotrichum siamense for Biocontrol and Resistance Induction in Guarana Seedlings

Table 5

Average chitinase (CHI) activity in guarana leaves.

Treatment	CHI (U·mL^−1)
	Elapsed time in hours after pathogen inoculation
	0	48	72	96	CV (%)
CS + pathogen	0.0002 ± 0.00005^a	0.0002 ± 0.00003^b	0.0002 ± 0.00004^a	0.0002 ± 0.00006^a	0.26
F + pathogen	0.0002 ± 0.00004^a	0.0003 ± 0.00007^a	0.0001 ± 0.00004^b	0.0002 ± 0.00004^a	0.27
Positive control	0.0002 ± 0.00005^a	0.0003 ± 0.00006^a	0.0002 ± 0.00006^a	0.0002 ± 0.00006^a	0.32
Negative control	0.0002 ± 0.00006^a	0.0002 ± 0.00008^b	0.0002 ± 0.0001^a	0.0002 ± 0.00008^a	0.37

Values in columns followed by the same letter are not significantly different (, Tukey’s test). CS: Colletotrichum siamense; F: fungicide; CV: coefficient of variation.