Induced resistance of Hevea to South American leaf blight by incompatible races of Microcyclus ulei


Citation

Ismail H., . Induced resistance of Hevea to South American leaf blight by incompatible races of Microcyclus ulei. pp. 195-201. ISSN 0127-7065

Abstract

Inoculation of leaf discs of Hevea by an isolate of Microcyclus ulei incompatible to a Hevea clone induced resistance to subsequent infection by a compatible race. Simultaneous inoculation of compatible and incompatible races reduced the size of lesions but not their numbers. Inoculation of an incompatible race 24 h prior to inoculation of a compatible race reduced both the number and size of lesions. The reduction was proportional to the concentration of the incompatible race inoculum. On intact leaves inoculation of a compatible race prior to an incompatible race reduced the number of lesions and the conidia produced.


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Abstract

Inoculation of leaf discs of Hevea by an isolate of Microcyclus ulei incompatible to a Hevea clone induced resistance to subsequent infection by a compatible race. Simultaneous inoculation of compatible and incompatible races reduced the size of lesions but not their numbers. Inoculation of an incompatible race 24 h prior to inoculation of a compatible race reduced both the number and size of lesions. The reduction was proportional to the concentration of the incompatible race inoculum. On intact leaves inoculation of a compatible race prior to an incompatible race reduced the number of lesions and the conidia produced.

Additional Metadata

[error in script]
Item Type: Article
AGROVOC Term: Hevea
AGROVOC Term: Leaves
AGROVOC Term: Inoculation
AGROVOC Term: Microcyclus ulei
AGROVOC Term: Lesions
AGROVOC Term: Conidia
AGROVOC Term: Induced resistance
AGROVOC Term: Infection
AGROVOC Term: Immunity
AGROVOC Term: Clones
Depositing User: Ms. Suzila Mohamad Kasim
Last Modified: 24 Apr 2025 06:28
URI: http://webagris.upm.edu.my/id/eprint/23612

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