Field evaluation of rubber tree resistance to South American leaf blight

Pinard F., . and Troispoux V., . and Mattos, . (1999) Field evaluation of rubber tree resistance to South American leaf blight. [Proceedings Paper]

Field SALB resistance of 25 rubber clones was assessed in French Guyana for 17 months. The 3 measured parameters Infection Type Infection Severity and Stroma Production were positively correlated and gave the same ranking of the clones: II clones appear highly susceptible while 14 expressed heterogeneous phenotypes with mixed resistant and susceptible symptoms in various proportions. This result is explained by the high level of the local pathogen population diversity expressed in terms of pathogenicity which induces heterogeneous symptoms at the field scale.

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Abstract

Field SALB resistance of 25 rubber clones was assessed in French Guyana for 17 months. The 3 measured parameters Infection Type Infection Severity and Stroma Production were positively correlated and gave the same ranking of the clones: II clones appear highly susceptible while 14 expressed heterogeneous phenotypes with mixed resistant and susceptible symptoms in various proportions. This result is explained by the high level of the local pathogen population diversity expressed in terms of pathogenicity which induces heterogeneous symptoms at the field scale.

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Item Type:	Proceedings Paper
Additional Information:	Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia. Call number mal SB 950 I61 1999
AGROVOC Term:	Rubber
AGROVOC Term:	Blight
AGROVOC Term:	Clones
AGROVOC Term:	Infection
AGROVOC Term:	Pathogens
AGROVOC Term:	Disease resistance
AGROVOC Term:	Microcyclus
AGROVOC Term:	Pathogens
AGROVOC Term:	Endemics
AGROVOC Term:	Planting
Geographical Term:	MALAYSIA
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 05:14
URI:	http://webagris.upm.edu.my/id/eprint/12283

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