Bio efficacy of indigenous biological agents and selected fungicides against branch canker disease of (Macrophoma theicola) tea under field level

Table 1 Evaluation of biological control and fungicides against branch canker disease in tea

S.No	Treatment details	Canker Size (cm)				Disease Protection Level (DPL)
		Pre-Assessment		Post-Assessment		Wound Healing (WH)
		Length in cm (L1)	Width in cm (W1)	Length in cm (L2)	Width in cm (W2)	WH = (L_{1 -} L₂) + (W₁- W₂) in cm
1	Copper oxychloride	7.97	2.53	6.73	2.03	1.74
2	Companion	13.60	4.73	11.19	3.03	4.11
3	Bacillus amyloliquefaciens	6.63	3.50	5.56	2.97	1.60
4	Companion/B.amyloliquefaciens	14.43	4.10	10.95	1.82	5.76
5	COC/ B.amyloliquefaciens	12.97	3.37	10.88	2.41	3.05
6	Trichoderma harzianum	13.10	3.00	12.61	2.67	0.82
7	Gliocladium virens	9.43	2.70	8.43	2.41	1.29
8	Beauveria bassiana	7.50	2.70	6.97	2.29	0.94
9	Tari (Organic Tea Special)	6.23	2.33	5.19	1.96	1.41
10	Tricure (0.03%)	7.87	2.90	7.08	2.33	1.36
11	Control	14.50	3.63	17.49	5.74	−5.10
	CV %	6.32	1.77	6.74	1.76	–
	CD @ 5%	12.31	1.07	11.84	0.89	–

*Mean of three replications
Canker size (cm) was measured before treatment (pre-assessment length and width in cm) and after two years canker size was measured (post-assessment length and width in cm) and their values are given

ISSN: 1471-2229