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 2 Influence of T. asperellum on tomato plant growth, yield, and control of bacterial wilt under field conditions during the year 2015

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	57.67^d	57.78^d	414.67^h	409.57ⁱ	47.76^cd	45.76^cd	1.19^e	1.16^d	42.78^h	44.54^g	7.16^c	6.87^c	0^a	0^a
RS1	35.56^b	34.65^ab	160.56^e	161.44^ef	16.67^a	13.43^a	0.59^d	0.43^cd	14.45^e	13.76^e	1.56^a	1.32^a	87.34^g	89.76^f
RS2	34.45^ab	35.45^ab	158.67^abc	156.38^cd	15.54^a	15.87^a	0.48^ab	0.54^ab	15.45^f	14.45^f	1.49^a	1.45^a	88.34^f	90.43^g
RS3	35.58^ab	33.36^ab	163.43^de	160.12^d	15.34^a	13.56^a	0.46^a	0.56^abc	14.21^e	13.43^e	1.66^a	1.32^a	87.67^ef	87.56^f
RS4	37.43^ab	36.87^ab	159.98^abc	157.87^bc	16.92^a	15.66^a	0.54^abc	0.43^a	13.34^de	12.87^ab	1.57^a	1.55^a	87.45^ef	85.44^d
RS5	33.57^a	32.69^a	150.86^cd	148.55^d	15.25^a	13.43^a	0.46^d	0.41^abc	9.65^ab	12.34^e	1.38^a	1.57^a	89.48^fg	87.57^gh
RS6	33.76^b	35.54^b	154.78^ab	154.66^d	15.56^a	16.33^a	0.48^bc	0.43^a	14.34^de	14.67^de	1.47^a	1.43^a	86.87^e	86.33^g
RS7	34.54^ab	37.12^ab	156.45^bc	159.34^cd	15.87^a	13.58^a	0.53^bc	0.47^bc	9.98^a	17.98^f	1.47^a	1.76^a	88.66^f	89.66^g
RS8	34.87^a	34.65^ab	155.87^ab	155.65^ab	15.68^a	14.65^a	0.51^abc	0.56^abc	12.64^cd	12.54^abc	1.57^a	1.69^a	87.56^ef	85.34^d
RS9	35.56^b	35.34^b	155.57^b	157.23^bc	14.89^a	13.82^a	0.58^bcd	0.45^b	11.23^bc	13.23^cd	1.62^a	1.54^a	86.43^f	87.87^e
RS10	33.66^ab	32.33^ab	158.32^abc	155.89^b	15.98^a	15.69^a	0.59^cd	0.54^bc	12.78^de	14.33^e	1.57^a	1.65^a	88.89^f	88.56^ef
T4	75.23^e	69.89^ef	651.23ⁱ	632.66^ij	46.56^d	47.89^cd	1.40^f	1.27^f	53.98^ij	50.57ⁱ	7.39^c	7.89^c	0^a	0^a
T8	76.08^e	68.76^f	665.54^j	672.27^j	51.11^d	49.43^d	1.41^f	1.41^h	54.34^j	49.33^g	7.53^c	8.12^d	0^a	0^a
RS + T4	47.87^c	46.88^c	389.76^f	378.78^g	35.49^b	31.27^bc	1.17^e	1.14^h	39.12^g	36.68^h	6.67^b	7.14^cd	37.27^c	39.71^d
RS + T8	49.89^cd	45.76^cd	395.57^g	381.91^h	36.87^b	32.62^c	1.19^e	1.12^e	38.98^g	38.43^gh	6.89^b	6.98^bc	35.58^b	38.67^c

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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