Abstract
The tea plant of commerce (Camellia sinensis (L) O. Kuntze) is grown in more than 50 countries lying between 43°N and 42°S latitudes and from sea level to 2300 m above mean sea level. These plants prefer warm humid climatic conditions, well-distributed rainfall and long sunshine hours. These conditions are also conducive for the growth of many pests and pathogens and further, the monoculture habitat provides a stable microclimate for their easy transmission and establishment. Brown root rot disease identified as the primary root disease of tea was isolated from naturally infected root of tea. The fungus is pathogenic to one year of tea plants, which exhibited brown root rot disease symptoms within one months of inoculation. Five systemic fungicides were screened and evaluated against the pathogen. Among the five fungicides used two namely, Propiconazole and Hexaconazole have shown 98.51 % and 100% inhibition properties against the pathogen at the concentration of 100mg/L, whereas Bavistin showed 12.58%, Roko 5.18 % and Ektino 1.48 % inhibition respectively. Therefore, the result of the present study suggest the potentials of use of Propiconazole and Hexaconazole at minimum concentration for maximum suppression inhibition of Fomeslamoensis. The results of the field observation have also been presented.
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Claims 7
Claim · model-written summary
The fungus caused brown root rot symptoms in one-year tea plants within one month after inoculation.
- Taxon
- teae0
- Organ / stage
- one yeare0
- Treatment
- inoculatione0
- Interactor
- Fomeslamoensist0pathogen
- Outcome
- brown root rot disease symptomse0
Not reportedComparatorDirection
Verbatim
e0“The fungus is pathogenic to one year of tea plants, which exhibited brown root rot disease symptoms within one months of inoculation.”
t0“Fomeslamoensis”
Claim · model-written summary
Propiconazole inhibited the pathogen by 98.51 % at 100mg/L.
- Taxon
- Teat0
- Treatment
- Propiconazolee0
- Interactor
- Fomeslamoensist0pathogen
- Outcome
- inhibition properties against the pathogene0
- Direction
- inhibitione0
- Value
- 98.51 %e0
- Qualifier
- 100mg/Le0
Not reportedComparator
Verbatim
e0“Propiconazole and Hexaconazole have shown 98.51 % and 100% inhibition properties against the pathogen at the concentration of 100mg/L”
t0“Brown Root Rot (Fomeslamoensis) Disease of Tea (Camellia sinensis (L) O. Kuntze)”
Claim · model-written summary
Hexaconazole inhibited the pathogen by 100% at 100mg/L.
- Taxon
- Teat0
- Treatment
- Hexaconazolee0
- Interactor
- Fomeslamoensist0pathogen
- Outcome
- inhibition properties against the pathogene0
- Direction
- inhibitione0
- Value
- 100%e0
- Qualifier
- 100mg/Le0
Not reportedComparator
Verbatim
e0“Propiconazole and Hexaconazole have shown 98.51 % and 100% inhibition properties against the pathogen at the concentration of 100mg/L”
t0“Brown Root Rot (Fomeslamoensis) Disease of Tea (Camellia sinensis (L) O. Kuntze)”
Claim · model-written summary
Bavistin inhibited the pathogen by 12.58%.
- Taxon
- Teat0
- Treatment
- Bavistine0
- Interactor
- Fomeslamoensist0pathogen
- Outcome
- inhibitione0
- Direction
- inhibitione0
- Value
- 12.58%e0
Not reportedComparator
Verbatim
e0“Bavistin showed 12.58%, Roko 5.18 % and Ektino 1.48 % inhibition respectively.”
t0“Brown Root Rot (Fomeslamoensis) Disease of Tea (Camellia sinensis (L) O. Kuntze)”
Claim · model-written summary
Roko inhibited the pathogen by 5.18 %.
- Taxon
- Teat0
- Treatment
- Rokoe0
- Interactor
- Fomeslamoensist0pathogen
- Outcome
- inhibitione0
- Direction
- inhibitione0
- Value
- 5.18 %e0
Not reportedComparator
Verbatim
e0“Bavistin showed 12.58%, Roko 5.18 % and Ektino 1.48 % inhibition respectively.”
t0“Brown Root Rot (Fomeslamoensis) Disease of Tea (Camellia sinensis (L) O. Kuntze)”
Claim · model-written summary
Ektino inhibited the pathogen by 1.48 %.
- Taxon
- Teat0
- Treatment
- Ektinoe0
- Interactor
- Fomeslamoensist0pathogen
- Outcome
- inhibitione0
- Direction
- inhibitione0
- Value
- 1.48 %e0
Not reportedComparator
Verbatim
e0“Bavistin showed 12.58%, Roko 5.18 % and Ektino 1.48 % inhibition respectively.”
t0“Brown Root Rot (Fomeslamoensis) Disease of Tea (Camellia sinensis (L) O. Kuntze)”
Claim · model-written summary
The authors suggest Propiconazole and Hexaconazole at minimum concentration for maximum pathogen suppression.
Verbatim
e0“suggest the potentials of use of Propiconazole and Hexaconazole at minimum concentration for maximum suppression inhibition of Fomeslamoensis.”
t0“Brown Root Rot (Fomeslamoensis) Disease of Tea (Camellia sinensis (L) O. Kuntze)”
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