Abstract
Among the diseases of cowpea, web blight caused by Rhizoctonia solani Kuhn is the most serious soil borne disease which causes severe yield loss. A field trial was conducted during kharif 2016 to manage web blight disease of cowpea at ARS field of SKRAU, Bikaner. Combination of T. harzianum plus B. subtilis used as seed treatment (5 + 5 g/kg) and soil application (5+5 kg/ha) proved to be most effective against web blight incited by R. solani in field conditions and provided maximum disease control (79.5%). Seed emergence, plant survival, fresh and dry weight, root and shoot lengths and grain yield was higher and per cent cowpea plant mortality was lower in treatment T. harzianum plus B. subtilis used in combination as seed treatment (5 + 5 g/kg) and soil application (5 + 5 kg/ha). The bioagents used in the present investigation could be therefore, used as a part of integrated disease management (IDM) strategy for web blight of cowpea in areas where the disease is reported to cause substantial yield losses.
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Claims 6
Claim · model-written summary
Combined T. harzianum and B. subtilis seed and soil treatment provided 79.5% web blight control.
- Taxon
- cowpea
Vigna unguiculatat0 - Treatment
- T. harzianum plus B. subtilis used as seed treatment (5 + 5 g/kg) and soil application (5+5 kg/ha)e0
- Interactor
- R. solani
Rhizoctonia solanie0pathogen - Second interactor
- T. harzianume0biocontrol_agent
- Outcome
- disease controle0
- Direction
- maximume0
- Value
- 79.5%e0
- Qualifier
- B. subtilise0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Combination of T. harzianum plus B. subtilis used as seed treatment (5 + 5 g/kg) and soil application (5+5 kg/ha) proved to be most effective against web blight incited by R. solani in field conditions and provided maximum disease control (79.5%)”
t0“cowpea”
Claim · model-written summary
Combined bioagent treatment increased cowpea seed emergence, plant survival and grain yield.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- T. harzianum plus B. subtilis used in combination as seed treatment (5 + 5 g/kg) and soil application (5 + 5 kg/ha)e0
- Interactor
- T. harzianume0biocontrol_agent
- Second interactor
- B. subtilise0biocontrol_agent
- Outcome
- Seed emergence, plant survivale0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed emergence, plant survival, fresh and dry weight, root and shoot lengths and grain yield was higher and per cent cowpea plant mortality was lower in treatment T. harzianum plus B. subtilis used in combination as seed treatment (5 + 5 g/kg) and soil application (5 + 5 kg/ha)”
Claim · model-written summary
Combined bioagent treatment increased cowpea fresh and dry weight and root and shoot lengths.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- T. harzianum plus B. subtilis used in combination as seed treatment (5 + 5 g/kg) and soil application (5 + 5 kg/ha)e0
- Interactor
- T. harzianume0biocontrol_agent
- Second interactor
- B. subtilise0biocontrol_agent
- Outcome
- fresh and dry weight, root and shoot lengthse0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed emergence, plant survival, fresh and dry weight, root and shoot lengths and grain yield was higher and per cent cowpea plant mortality was lower in treatment T. harzianum plus B. subtilis used in combination as seed treatment (5 + 5 g/kg) and soil application (5 + 5 kg/ha)”
Claim · model-written summary
Combined bioagent treatment increased cowpea grain yield.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- T. harzianum plus B. subtilis used in combination as seed treatment (5 + 5 g/kg) and soil application (5 + 5 kg/ha)e0
- Interactor
- T. harzianume0biocontrol_agent
- Second interactor
- B. subtilise0biocontrol_agent
- Outcome
- grain yielde0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed emergence, plant survival, fresh and dry weight, root and shoot lengths and grain yield was higher and per cent cowpea plant mortality was lower in treatment T. harzianum plus B. subtilis used in combination as seed treatment (5 + 5 g/kg) and soil application (5 + 5 kg/ha)”
Claim · model-written summary
Combined bioagent treatment reduced cowpea plant mortality.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- T. harzianum plus B. subtilis used in combination as seed treatment (5 + 5 g/kg) and soil application (5 + 5 kg/ha)e0
- Interactor
- T. harzianume0biocontrol_agent
- Second interactor
- B. subtilise0biocontrol_agent
- Outcome
- per cent cowpea plant mortalitye0
- Direction
- lowere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“per cent cowpea plant mortality was lower in treatment T. harzianum plus B. subtilis used in combination as seed treatment (5 + 5 g/kg) and soil application (5 + 5 kg/ha)”
Claim · model-written summary
The authors recommend these bioagents as part of integrated web blight management in affected areas.
- Taxon
- cowpeaVigna unguiculatae0
- Outcome
- integrated disease management (IDM) strategye0
- Qualifier
- areas where the disease is reported to cause substantial yield lossese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The bioagents used in the present investigation could be therefore, used as a part of integrated disease management (IDM) strategy for web blight of cowpea in areas where the disease is reported to cause substantial yield losses”
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