Diversity of Pythium spp. associated with soybean damping-off, and management implications by using foliar fungicides as seed treatments

Table 1 Radial growth rate (mm/day) of Pythium isolates recorded at 24 h interval for 5 days

Pythium isolates	Radial growth rate (mm/day) over 5 days of incubation^*
Pythium isolates	1	2	3	4	5
P. inflatum	13.5 dc	31.0 dc	47.0b	62.5ba	63.8a
P. ultimum var. ultimum	43.5a	83.8a	85.0a	85.0a	85.0a
P. orthogonon	36.0b	72.0ba	85.0a	85.0a	85.0a
P. torulosum	0.0e	61.3b	85.0a	85.0a	85.0a
P. inflatum	0.0e	15.8d	46.8b	57.5ba	63.8a
P. inflatum	8.5d	26.0 dc	43.3b	62.0ba	85.0a
P. ultimum var. ultimum	11.0 dc	24.0 dc	35.5b	48.0b	62.3a
P. ultimum var. ultimum or P. ultimum var. sporangiferum	16.0c	33.3c	52.0b	71.3ba	77.5a
P. ultimum var. ultimum or P. ultimum var. sporangiferum	8.0d	25.3 dc	43.5b	61.0ba	85.0a

^*Results are average of 4 replications. Means within column followed by the same letter(s) are not significantly different from each other at 5% level of significance (P < 0.05)