Abstract
Trichoderma species are collected from different location of sugarbeet growing areas of Tamil Nadu and it is effective against Sclerotium rolfsii pathogen caused by sugarbeet ecosystems. Out of thirty-one isolates of Trichoderma viride and four isolates of Trichoderma harzianum collected and tested for their antagonistic activity against S. rolfsii by dual culture technique, one isolate was found to be effective T. viride (TVB1) that recorded the maximum (73.03%) inhibition on the mycelial growth recording only 2.40 cm growth as against 8.90 cm in the control. The isolates of T. harzianum THB-1 recorded 71.19% mycelial growth reduction over control. The colonisation behaviour of T. viride (TVB1) revealed that it completely over grew on pathogen within 48 h after interaction with the pathogen, and speed of growth on pathogen was also high and it possesses a higher level of competitive saprophytic ability. The best four isolates of TVB1, TVB-2, TVB-3 and TVB31 and two isolates of T. harzianum THB-1 and THB-2 were compared with other species of Trichoderma longibrachiatum, Trichoderma reesei, Trichoderma koningii and Chaetomium globosum and tested under in vitro condition. BA of neem cake at 150 kg ha−1 + T. viride isolate (TVB1) at 2.5 kg/ha recorded least root rot disease incidence of 17.05% which accounted for 75.37% disease reduction over control and highest recorded maximum root yield 65.73 t ha−1 and increasing sugar content.
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Claims 7
Claim · model-written summary
T. viride TVB1 inhibited S. rolfsii mycelial growth by 73.03%.
- Taxon
- sugarbeet
Beta vulgaris subsp. vulgarise1 - Material
- T. viride (TVB1)e0
- Interactor
- S. rolfsii
Agroathelia rolfsiie2pathogen - Second interactor
- T. viride (TVB1)
Trichoderma viridee0biocontrol_agent - Outcome
- mycelial growthe0
- Direction
- inhibitione0
- Value
- 73.03%e0
- Qualifier
- 2.40 cm growth as against 8.90 cme0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T. viride (TVB1) that recorded the maximum (73.03%) inhibition on the mycelial growth recording only 2.40 cm growth as against 8.90 cm in the control.”
e1“sugarbeet ecosystems”
e2“against S. rolfsii”
Claim · model-written summary
T. harzianum THB-1 reduced pathogen mycelial growth by 71.19%.
- Taxon
- sugarbeetBeta vulgaris subsp. vulgarise1
- Material
- T. harzianum THB-1e0
- Interactor
- S. rolfsiiAgroathelia rolfsiie2pathogen
- Second interactor
- T. harzianum THB-1
Trichoderma harzianume0biocontrol_agent - Outcome
- mycelial growthe0
- Direction
- reductione0
- Value
- 71.19%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T. harzianum THB-1 recorded 71.19% mycelial growth reduction over control.”
e1“sugarbeet ecosystems”
e2“against S. rolfsii”
Claim · model-written summary
T. viride TVB1 overgrew the pathogen within 48 hours.
- Taxon
- sugarbeetBeta vulgaris subsp. vulgarise1
- Interactor
- pathogene0pathogen
- Second interactor
- T. viride (TVB1)Trichoderma viridee0biocontrol_agent
- Outcome
- completely over grew on pathogene0
- Value
- 48 he0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“T. viride (TVB1) revealed that it completely over grew on pathogen within 48 h after interaction with the pathogen”
e1“sugarbeet ecosystems”
Claim · model-written summary
TVB1 had high growth speed and competitive saprophytic ability.
- Taxon
- sugarbeetBeta vulgaris subsp. vulgarise1
- Material
- T. viride (TVB1)e2
- Interactor
- pathogene0pathogen
- Second interactor
- T. viride (TVB1)Trichoderma viridee2biocontrol_agent
- Outcome
- speed of growth on pathogene0
- Direction
- highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“speed of growth on pathogen was also high and it possesses a higher level of competitive saprophytic ability.”
e1“sugarbeet ecosystems”
e2“The colonisation behaviour of T. viride (TVB1)”
Claim · model-written summary
Neem cake plus TVB1 gave the lowest root rot incidence, 17.05%.
- Taxon
- sugarbeetBeta vulgaris subsp. vulgarise1
- Treatment
- BA of neem cake at 150 kg ha−1 + T. viride isolate (TVB1) at 2.5 kg/hae0
- Interactor
- S. rolfsiiAgroathelia rolfsiie2pathogen
- Second interactor
- T. viride isolate (TVB1)Trichoderma viridee0biocontrol_agent
- Outcome
- root rot disease incidencee0
- Direction
- leaste0
- Value
- 17.05%e0
- Qualifier
- 75.37% disease reductione0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA of neem cake at 150 kg ha−1 + T. viride isolate (TVB1) at 2.5 kg/ha recorded least root rot disease incidence of 17.05% which accounted for 75.37% disease reduction over control”
e1“sugarbeet ecosystems”
e2“against S. rolfsii”
Claim · model-written summary
Neem cake plus TVB1 gave maximum root yield of 65.73 t ha−1.
- Taxon
- sugarbeetBeta vulgaris subsp. vulgarise1
- Treatment
- BA of neem cake at 150 kg ha−1 + T. viride isolate (TVB1) at 2.5 kg/hae0
- Interactor
- T. viride isolate (TVB1)Trichoderma viridee0biocontrol_agent
- Outcome
- root yielde0
- Direction
- maximume0
- Value
- 65.73 t ha−1e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA of neem cake at 150 kg ha−1 + T. viride isolate (TVB1) at 2.5 kg/ha recorded least root rot disease incidence of 17.05% which accounted for 75.37% disease reduction over control and highest recorded maximum root yield 65.73 t ha−1 and increasing sugar content.”
e1“sugarbeet ecosystems”
Claim · model-written summary
Neem cake plus TVB1 increased sugar content.
- Taxon
- sugarbeetBeta vulgaris subsp. vulgarise1
- Treatment
- BA of neem cake at 150 kg ha−1 + T. viride isolate (TVB1) at 2.5 kg/hae0
- Interactor
- T. viride isolate (TVB1)Trichoderma viridee0biocontrol_agent
- Outcome
- sugar contente0
- Direction
- increasinge0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA of neem cake at 150 kg ha−1 + T. viride isolate (TVB1) at 2.5 kg/ha recorded least root rot disease incidence of 17.05% which accounted for 75.37% disease reduction over control and highest recorded maximum root yield 65.73 t ha−1 and increasing sugar content.”
e1“sugarbeet ecosystems”
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