Cross-protection in the 'blast' disease of Panicum repens L

Hilda, A. ; Suryanarayanan, S. (1976) Cross-protection in the 'blast' disease of Panicum repens L Proceedings of the Indian Academy of Sciences - Plant Sciences, 84 (6). pp. 215-225. ISSN 0253-410X

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The occurrence and nature of cross-protection in the 'blast' disease of Panicum repens L. were studied using detached leaves of the host, two incompatible (P1,M1) isolates and a compatible (PR) isolate. Protection was evident when leaf tissues were inoculated with a mixture of P1 and PR conidia but not with a mixture of M1 and PR conidia. However, prior inoculation of the leaves with either P1 or M1 protected the leaves against blast caused by the compatible PR isolate but the protection was highly localized. The nature of protection is discussed in terms of competition between the isolates for infection sites and interactions between the host and the preinoculant.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
ID Code:52831
Deposited On:04 Aug 2011 08:22
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