Methods for assessing the tolerance and resistance of different types of cocoa to cocoa swollen-shoot virus
Different types of cocoa were compared for their resistance to infection and tolerance of infection with the virulent strain A of cocoa swollen-shoot virus, inoculated either by mealybugs or manually. The method of infection did not affect the ranking of the cocoa types for resistance, except at high percentages of infection, or for tolerance. In comparison with other methods, manual inoculation simplifies the screening of cocoa types for resistance and tolerance to virus infection, and provides a more sensitive test for resistance
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| Main Authors: | , |
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| Format: | biblioteca |
| Published: |
1970
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| Subjects: | THEOBROMA CACAO, COCOA SWOLLEN SHOOT VIRUS, VIROSIS, RESISTENCIA A LA ENFERMEDAD, INOCULACION MANUAL, PODER PATOGENO, TIPOS DE CACAO, |
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| Summary: | Different types of cocoa were compared for their resistance to infection and tolerance of infection with the virulent strain A of cocoa swollen-shoot virus, inoculated either by mealybugs or manually. The method of infection did not affect the ranking of the cocoa types for resistance, except at high percentages of infection, or for tolerance. In comparison with other methods, manual inoculation simplifies the screening of cocoa types for resistance and tolerance to virus infection, and provides a more sensitive test for resistance |
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