Citation
Liyanage A. De S., . and Samarajeewa P. K., . Reactions of resistant and susceptible Hevea clones to Colletotrichum gloeosporioides. pp. 187-194. ISSN 0127-7065
Abstract
Pre-and post-penetration behaviour of Colletotrichum gloeosporioides in susceptible and resistant Hevea clones were studied. Growth of the fungus on the leaf surface of susceptible clones was promoted while appressorium formation was promoted on resistant leaves. The movement of nuclei in both epidermal and palisade cells was seen as an early response to infection. After the entry of the pathogen the host cells first showed a discolouration followed by an extensive disorganisation of epidermal and mesophyll cells resulting in the arrest of fungal development. In tissues of susceptible clones this reaction was less intense and was restricted to a few cells. Extensive ramification of the pathogen was observed within the leaf tissues and acervuli were formed 72 h after inoculation.
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Abstract
Pre-and post-penetration behaviour of Colletotrichum gloeosporioides in susceptible and resistant Hevea clones were studied. Growth of the fungus on the leaf surface of susceptible clones was promoted while appressorium formation was promoted on resistant leaves. The movement of nuclei in both epidermal and palisade cells was seen as an early response to infection. After the entry of the pathogen the host cells first showed a discolouration followed by an extensive disorganisation of epidermal and mesophyll cells resulting in the arrest of fungal development. In tissues of susceptible clones this reaction was less intense and was restricted to a few cells. Extensive ramification of the pathogen was observed within the leaf tissues and acervuli were formed 72 h after inoculation.
Additional Metadata
| Item Type: | Article |
|---|---|
| AGROVOC Term: | Colletotrichum gloeosporioides |
| AGROVOC Term: | Hevea brasiliensis |
| AGROVOC Term: | Hevea |
| AGROVOC Term: | Leaves |
| AGROVOC Term: | Clones |
| AGROVOC Term: | Spore germination |
| AGROVOC Term: | Pathogens |
| AGROVOC Term: | Pathogenic fungi |
| AGROVOC Term: | Fungal spores |
| AGROVOC Term: | Plant defense reactions |
| Depositing User: | Ms. Suzila Mohamad Kasim |
| Last Modified: | 24 Apr 2025 06:28 |
| URI: | http://webagris.upm.edu.my/id/eprint/23611 |
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