Suppression of Stem-End Rot on Avocado Fruit Using Trichoderma spp. in the Central Highlands of Kenya

Table 3

Effect of Trichoderma spp. on the severity of SER on postharvest “Hass” avocado fruits.

Antagonist	Disease severity index %
	pathogens
	N. pseudotrichia	N. parvum	L. theobromae	F. solani
Preinoculation
T. asperellum	20.00 ± 20.0^b	30.00 ± 10.00^b	10.00 ± 10.0^c	0.00 ± 0.00^b
T. atroviride	0.00 ± 0.00^c	5.00 ± 5.00^c	7.50 ± 2.50^c	7.50 ± 2.50^a
T. harzianum	90.00 ± 0.00^a	30.00 ± 15.0^b	42.50 ± 2.50^b	0.00 ± 0.00^b
T. virens	0.00 ± 0.00^c	35.00 ± 35.0^a	70.00 ± 0.00^a	0.00 ± 0.00^b
Concurrent inoculation
T. asperellum	0.00 ± 0.00^a	55.00 ± 0.00^a	7.50 ± 7.50^d	0.00 ± 0.00^a
T. atroviride	0.00 ± 0.00^a	0.00 ± 0.00^c	100.00 ± 0.00^a	0.00 ± 0.00^a
T. harzianum	90.00 ± 0.00^a	17.50 ± 2.50^b	42.50 ± 2.50^c	0.00 ± 0.00^a
T. virens	7.50 ± 7.50^b	0.00 ± 0.00^c	70.00 ± 0.00^b	0.00 ± 0.00^a
Postinoculation
T. asperellum	7.50 ± 7.50^a	40.00 ± 0.00^a	5.00 ± 5.00^a	0.00 ± 0.00^a
T. atroviride	0.00 ± 0.00^b	0.00 ± 0.00^b	100.00 ± 0.00^b	0.00 ± 0.00^a
T. harzianum	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^a
T. virens	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^b	0.00 ± 0.00^a
Control	90.00 ± 0.00^a	60.00 ± 0.00^a	100.00 ± 0.00^a	40.00 ± 0.0^b

Values are expressed as Means ± SEM for four avocado fruits per group. Means within respective columns followed by different lower-case superscripts are significantly different at .