Evaluation of biological efficacy of Trichoderma asperellum against tomato bacterial wilt caused by Ralstonia solanacearum

Konappa, Narasimhamurthy; Krishnamurthy, Soumya; Siddaiah, Chandra Nayaka; Ramachandrappa, Niranjana Siddapura; Chowdappa, Srinivas

doi:10.1186/s41938-018-0069-5

Egyptian Journal of Biological Pest Control

Table 1 Influence of T. asperellum on tomato plant growth, yield, and control of bacterial wilt under field conditions during the year 2014

From: Evaluation of biological efficacy of Trichoderma asperellum against tomato bacterial wilt caused by Ralstonia solanacearum

Treatments	Plant height (cm)		Fresh weight (g)		Dry weight (g)		Stem growth (cm)		No. of fruits/plant		Yield (t/ha)		Disease incidence (%)
Plots	BH	MH	BH	MH	BH	MH	BH	MH	BH	MH	BH	MH	BH	MH
Control	58.23^d	57.17^cd	417.32^h	415.76^h	46.32^c	43.45^c	1.18^e	1.09^d	43.25^h	42.67^h	7.52^c	7.12^c	0^a	0^a
RS1	36.45^b	35.65^b	168.21^e	160.98^e	15.14^a	14.54^a	0.54^d	0.52^d	13.59^e	13.43^e	1.44^a	1.32^a	91.07^g	89.65^g
RS2	35.26^ab	33.79^a	157.87^abc	156.67^ab	14.96^a	14.56^a	0.47^ab	0.51^b	15.15^f	14.23^f	1.65^a	1.45^a	89.18^f	88.43^f
RS3	36.44^ab	34.56^ab	164.47^d	159.34^cd	14.89^a	13.23^a	0.45^a	0.56^ab	13.89^e	12.76^e	1.54^a	1.55^a	88.54^ef	86.87^ef
RS4	38.24^ab	32.54^a	156.76^abc	154.55^b	15.92^a	15.76^a	0.52^abc	0.54^bc	12.22^de	11.23^de	1.62^a	1.23^a	88.68^ef	87.23^ef
RS5	34.07^a	35.23^bc	160.86^cd	153.76^ab	15.8^a	14.55^a	0.36^d	0.48^de	9.89^ab	8.98^ab	1.29^a	1.16^a	88.29^fg	84.65^ef
RS6	34.92^ab	36.76^c	155.32^ab	156.87^ab	16.75^a	15.78^a	0.48^abc	0.57^d	12.77^de	10.34^e	1.54^a	1.43^a	87.12^e	87.87^f
RS7	35.30^ab	34.57^b	158.54^bc	157.54^bc	16.30^a	15.83^a	0.50^bc	0.56^ab	8.55^a	13.76^ef	1.46^a	1.29^a	88.26^ef	85.45^d
RS8	33.89^a	35.43^b	156.46^ab	159.48^c	16.54^a	16.38^a	0.49^abc	0.54^bc	11.60^cd	12.48^e	1.61^a	1.57^a	85.59^d	87.78^f
RS9	36.37^b	37.87^c	153.23^a	152.93^ab	15.45^a	14.72^a	0.54^bcd	0.59^d	10.78^bc	12.12^e	1.69^a	1.54^a	89.60^f	84.54^ef
RS10	34.58^ab	36.62^b	157.11^abc	156.78^ab	15.48^a	16.76^a	0.55^cd	0.60^cd	12.27^de	11.16^de	1.54^a	1.72^a	89.18^f	89.54^g
T4	74.10^e	72.94^e	647.95ⁱ	641.96^h	49.29^d	48.92^d	1.38^f	1.35^f	52.53ⁱ	50.43ⁱ	8.15^c	7.89^cd	0^a	0^a
T8	74.17^e	72.52^e	685.07^j	678.48^j	50.21^d	48.81^d	1.43^f	1.41^f	55.29^j	54.36^j	8.26^c	8.16^d	0^a	0^a
RS + T4	48.76^c	46.98^d	386.65^f	379.54^f	34.63^b	35.34^bc	1.13^e	1.12^e	38.26^g	37.65^g	6.74^b	6.63^b	37.27^c	39.89^c
RS + T8	49.54^c	46.56^c	392.14^g	385.76^g	35.26^b	34.98^b	1.15^e	1.14^e	39.18^g	38.33^g	6.79^b	6.49^b	35.58^b	40.27^d

Means of three replications, followed by the letters significantly different according to Duncan’s multiple range tests (DMRT). Values with different alphabetical (a–j) superscripts in a column significantly different (P ≤ 0.05)
RS Ralstonia solanacearum, T4 and T8 T. asperellum isolates, BH Bhoomishettihalli, MH Madanahalli

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