Is there potential in natural tea-phylloplane microorganisms in the control of blister blight leaf disease of tea (Camellia sinensis)


Citation

Balasuriya A ., . and Kalaichelvan J ., . Is there potential in natural tea-phylloplane microorganisms in the control of blister blight leaf disease of tea (Camellia sinensis). pp. 409-417. ISSN 0126-575X

Abstract

A total of nine fungal and ten bacterial isolates were obtained in an appropriate combination of medium x dilution of leaf washing from the phylloplane of two relatively resistant and two tea clones very susceptible to blister blight. Fresh Exobasidium vexans spores when exposed to culture media containing different fungal and bacterial extracts responded antagonistically synergistically or neutrally. Some selected organisms were used on glasshouse and nursery plants. Under both conditions the antagonistic fungi demonstrated very good potential in reducing infection levels. Synergistic bacteria proved capable of increasing in-situ infection level particularly under nursery conditions. Four fungicides commonly used against E. vexans have shown different degrees of effects on these potentially beneficial fungi.


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Abstract

A total of nine fungal and ten bacterial isolates were obtained in an appropriate combination of medium x dilution of leaf washing from the phylloplane of two relatively resistant and two tea clones very susceptible to blister blight. Fresh Exobasidium vexans spores when exposed to culture media containing different fungal and bacterial extracts responded antagonistically synergistically or neutrally. Some selected organisms were used on glasshouse and nursery plants. Under both conditions the antagonistic fungi demonstrated very good potential in reducing infection levels. Synergistic bacteria proved capable of increasing in-situ infection level particularly under nursery conditions. Four fungicides commonly used against E. vexans have shown different degrees of effects on these potentially beneficial fungi.

Additional Metadata

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Item Type: Article
Additional Information: Summary (En)
AGROVOC Term: CAMELLIA SINENSIS
AGROVOC Term: PLANT DISEASES
AGROVOC Term: FUNGAL DISEASES
AGROVOC Term: BLIGHTS
AGROVOC Term: EXOBASIDIUM
AGROVOC Term: DISEASE CONTROL
AGROVOC Term: MICROORGANISMS
AGROVOC Term: SRI LANKA CAMELLIA SINENSIS
AGROVOC Term: ENFERMEDADES DE LAS PLANTAS
AGROVOC Term: ENFERMEDADES FUNGOSAS
Depositing User: Ms. Norfaezah Khomsan
Last Modified: 24 Apr 2025 05:52
URI: http://webagris.upm.edu.my/id/eprint/17889

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