Results 91 to 100 of about 153 (122)
A rubber tree’s durable resistance to Microcyclus ulei is conferred by a qualitative gene and a major quantitative resistance factor [PDF]
Tree Genetics and Genomes, 2011 The components of genetic resistance from the Hevea brasiliensis cultivar MDF 180 against South American Leaf Blight (SALB) caused by Microcyclus ulei were investigated by QTL mapping. MDF 180 has already been described as a cultivar with a high level of partial and long-lasting resistance.
Dominique Garcia +2 more
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Assessing susceptibility of Hevea clones to Microcyclus ulei
Annals of Applied Biology, 1976SUMMARYLeaf disks of 7‐day‐old Hevea leaves floating on water produced lesions of varying sizes following inoculation with conidia of Microcyclus ulei, the cause of South American leaf blight (SALB) of Hevea. The resistance ratings of 188 Hevea clones classified according to lesion size on leaf disks and to leaf area infected in the field were ...
exaly +2 more sources
Foliar endophytic fungi from Hevea brasiliensis and their antagonism on Microcyclus ulei
Fungal Diversity, 2010Endophytic fungi live inside plants as symbionts for at least one period of their life cycle. They play an important role in plant defence and could be promising sources of valuable natural bioactive products. The present study aimed to select endophytic fungi antagonistic to Microcyclus ulei, the agent of South American Leaf Blight (SALB) responsible ...
Dominique Garcia +1 more
exaly +3 more sources
A newly identified locus controls complete resistance to Microcyclus ulei in the Fx2784 rubber clone
Tree Genetics and Genomes, 2013Using cultivars which are genetically resistant to South American leaf blight (SALB) caused by the fungus Microcyclus ulei is the only way to plant rubber trees in disease-affected areas. Numerous field observations led to the hypothesis that the resistance of the cultivar Fx2784 to SALB is likely to be monogenic.
Olivier Fouet +2 more
exaly +3 more sources
Microcyclus ulei . [Descriptions of Fungi and Bacteria].
Descriptions of Fungi and Bacteria, 1970Abstract A description is provided for Microcyclus ulei . Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Restricted to Hevea spp. Recorded on: H. brasiliensis (Para rubber tree),
null UK, CAB International, P. Holliday
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Identification of QTLs involved in the resistance to South American leaf blight (Microcyclus ulei) in the rubber tree [PDF]
Theoretical and Applied Genetics, 2000 South American leaf blight (SALB) is a disease of the rubber tree caused by the fungus Microcyclus ulei. Quantitative trait loci (QTLs) for resistance were mapped using 195 F1 progeny individuals derived from the cross between a susceptible cultivated clone, PB260, and a resistant clone, RO38, derived from interspecific hybridization.
L Grivet
exaly +2 more sources
Bypassing of a polygenicMicrocyclus uleiresistance in rubber tree, analyzed by QTL detection
New Phytologist, 2006SummaryGenetic resistance components of theHevea brasiliensis × H. benthamianaRO 38 cultivar toMicrocyclus uleidisease were investigated by inoculating isolates which succeeded in partially or completely infecting genotypes of a mapping population.Progeny of a cross between RO 38 and a susceptible cultivar was inoculated under controlled conditions ...
Le Guen, Vincent +5 more
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Occurrence of eight races of Microcyclus ulei on Hevea rubber in Bahia, Brazil
Transactions of the British Mycological Society, 1986Conidia of Microcyclus ulei from infected leaves of twelve clones of Hevea , including H. brasiliensis and its hybrids with H. benthamiana , were inoculated to leaf disks of 19 clones of diverse genetic background. From the results, eight physiologic races of M. ulei were distinguished.
K.H. Chee, Zhang Kai-Ming, T.W. Darmono
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Microcyclus ulei . [Distribution map].
Distribution Maps of Plant Diseases, 2005Abstract A new distribution map is provided for Microcyclus ulei (P. Henn.) Arx. Hosts: Rubber (Hevea brasiliensis). Information is given on the geographical distribution in NORTH AMERICA, Mexico, CENTRAL AMERICA & WEST INDIES, Costa Rica, Guatemala Honduras, Nicaragua, Panama, Trinidad, SOUTH AMERICA,
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Molecular mapping of genes conferring field resistance to South American Leaf Blight (Microcyclus ulei) in rubber tree [PDF]
Theoretical and Applied Genetics, 2003 The South American Leaf Blight (SALB), caused by the fungus Microcyclus ulei, is the major rubber tree disease in all Central and South America. A population of 192 progeny individuals derived from a cross between a resistant clone and a susceptible cultivated clone was planted in a field trial in French Guiana in order to evaluate the resistance ...
Le Guen, Vincent +5 more
openaire +2 more sources