Efficacy of different combinations of microbial biocontrol agents against sheath blight of rice caused by Rhizoctonia solani

Kabdwal, Bhupesh Chandra; Sharma, Roopali; Kumar, Arun; Kumar, Satya; Singh, K. P.; Srivastava, R. M.

doi:10.1186/s41938-023-00671-6

Egyptian Journal of Biological Pest Control

Table 4 Phenylalanine Ammonia Lyase (PAL), Polyphenol Oxidase (PPO) and Peroxidase (PO) activity in rice plants against the sheath blight pathogen Rhizoctonia solani through the different combination of biocontrol agents and Herbal Kunapajala

From: Efficacy of different combinations of microbial biocontrol agents against sheath blight of rice caused by Rhizoctonia solani

Treatments	0DAI	2DAI	4DAI	6DAI	8DAI
PAL Activity (∆O.D./mm/g of fresh tissue)
Th + HKJ [ST + FS]	0.63	0.72	0.76	0.83	0.71
Pf + HKJ [ST + FS]	0.68	0.76	0.86	0.94	0.83
Th + Pf + HKJ [ST + FS]	0.92	0.96	1.03	1.14	0.96
Th + HKJ [ST + Drenching]	0.76	0.91	0.98	1.04	0.92
Pf + HKJ [ST + Drenching]	0.91	0.98	1.02	1.12	0.99
Th + Pf + HKJ [ST + Drenching]	0.71	0.89	0.96	1.03	0.31
Th + HKJ [ST + Drenching + FS]	0.83	0.96	1.02	1.13	1.02
Pf + HKJ [ST + Drenching + FS]	0.92	0.98	1.03	1.16	1.03
Th + Pf + HKJ [ST + Drenching + FS]	0.98	1.12	1.26	1.33	1.11
Carbendazim [ST + FS]	0.66	0.73	0.76	0.82	0.69
Control	0.11	0.18	0.20	0.23	0.14
CD (5%)	0.08	0.09	0.08	0.07	0.07
PPO Activity (∆O.D./mm/g of fresh tissue)
Th + HKJ [ST + FS]	0.58	0.66	0.71	0.76	0.68
Pf + HKJ [ST + FS]	0.62	0.71	0.75	0.81	0.66
Th + Pf + HKJ [ST + FS]	0.83	0.92	0.95	1.01	0.85
Th + HKJ [ST + Drenching]	0.66	0.76	0.79	0.84	0.72
Pf + HKJ [ST + Drenching]	0.68	0.79	0.85	0.89	0.78
Th + Pf + HKJ [ST + Drenching]	0.86	0.94	0.98	1.02	0.89
Th + HKJ [ST + Drenching + FS]	0.63	0.69	0.72	0.80	0.72
Pf + HKJ [ST + Drenching + FS]	0.71	0.78	0.84	0.89	0.79
Th + Pf + HKJ [ST + Drenching + FS]	0.90	0.97	1.03	1.12	0.99
Carbendazim [ST + FS]	0.45	0.49	0.54	0.57	0.46
Control	0.12	0.18	0.20	0.21	0.14
CD (5%)	0.05	0.07	0.06	0.07	0.05
PO Activity (∆O.D./mm/g of fresh tissue)
Th + HKJ [ST + FS]	0.81	0.87	0.96	0.96	0.90
Pf + HKJ [ST + FS]	0.83	0.89	0.99	0.99	0.93
Th + Pf + HKJ [ST + FS]	0.90	0.95	1.03	1.03	0.98
Th + HKJ [ST + Drenching]	0.86	0.91	0.98	1.01	0.89
Pf + HKJ [ST + Drenching]	0.90	0.94	0.97	1.04	0.91
Th + Pf + HKJ [ST + Drenching]	0.96	1.01	1.16	1.21	0.89
Th + HKJ [ST + Drenching + FS]	0.83	0.87	0.93	0.99	0.88
Pf + HKJ [ST + Drenching + FS]	0.85	0.89	0.97	1.02	0.96
Th + Pf + HKJ [ST + Drenching + FS]	0.96	1.06	1.23	1.30	1.02
Carbendazim [ST + FS]	0.26	0.29	0.31	0.36	0.18
Control	0.21	0.23	0.25	0.29	0.13
CD (5%)	0.05	0.06	0.05	0.07	0.07

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