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NLM374257590 |
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DE-627 |
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20240715232950.0 |
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cr uuu---uuuuu |
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240628s2024 xx |||||o 00| ||eng c |
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7 |
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|a 10.1094/PDIS-07-23-1426-SC
|2 doi
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5 |
2 |
|a pubmed24n1471.xml
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|a (NLM)38937876
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Wong, Wei-Chee
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Genetic Structure of Ganoderma boninense Populations Associated with Oil Palm at Neighboring Fields with Different Planting Ages in Malaysia
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 15.07.2024
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|a Date Revised 15.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Ganoderma boninense is a basidiomycete pathogen of African oil palm (Elaeis guineensis) and the causal agent of basal stem rot (BSR) disease, which is the most destructive fungal disease of oil palm in Southeast Asia. The disease is fatal for infected palms and can result in 50 to 80% losses in oil yields because of a reduction in productive life span and a yield decline of infected oil palms. In this study, G. boninense isolates collected from different locations and planting blocks with different palm ages were molecularly characterized using microsatellite genotyping. Results showed high pathogen genetic diversity (He = 0.67 to 0.74) among planting blocks and between oil palm estates. Two nearby planting blocks with similar planting ages (i.e., 1999 and 2001) had a similar percentage of BSR incidence (>20%) but showed distinct Ganoderma genetic structure as detected using STRUCTURE. Similar results were obtained from another trial site where planting blocks differing in planting age but located only less than 1 km apart showed a diverse genetic background. The pathogen genetic admixture of the oldest planting (>30% BSR incidence) differed significantly from the younger planting (1.8 to 2.8% BSR incidence, breeding trial block), suggesting that the host-pathogen genotype interaction may impact the Ganoderma genetic variation over time. The genetic structure of G. boninense, as revealed in this study, implies positive selection resulting from the pathogen genetic variation, host-pathogen interaction, and possible introductions of novel genetic variants (through spores) from adjacent plantings. These findings offer new insights into the genetic changes of G. boninense over time. The information is essential to design disease management strategies and breeding for BSR resistance in oil palm
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4 |
|a Journal Article
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4 |
|a Elaeis guineensis
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| 650 |
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4 |
|a basal stem rot
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| 650 |
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4 |
|a genetic diversity
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| 650 |
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4 |
|a host–pathogen interaction
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| 650 |
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4 |
|a perennial crop
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| 650 |
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4 |
|a population structure
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| 700 |
1 |
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|a Goh, You-Keng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wong, Choo-Kien
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Goh, Yit-Kheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Marzuki, Nurul Fadhilah
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Choo, Celine H Y
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tung, Hun-Jiat
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 108(2024), 7 vom: 15. Juli, Seite 1982-1986
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
8 |
|g volume:108
|g year:2024
|g number:7
|g day:15
|g month:07
|g pages:1982-1986
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-07-23-1426-SC
|3 Volltext
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|h 1982-1986
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