| 河北鸭梨病果上链格孢分离系的形态及分子特性研究 |
| Morphological and molecular characterization of Alternaria isolates on fruits of Pyrus bretschneideri Rehd. “Ya Li” |
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| 中文关键词: |
| 英文关键词:Alternaria yaliinficiens, fruit rot, RAPD, taxonomy |
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| 中文摘要: |
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| 英文摘要: |
| A total of 123 Alternaria isolates were obtained from roting fruits of Pyrus bretschneideri “Ya Li” collected in Hebei Province, China. The isolates, according to morphological characteristics of conidia and sporulation patterns, were segregated into four groups: A. alternata group, A. tenuissima group, A. yaliinficiens group and Alternaria sp. group. Molecular characteristics of part of the isolates were determined using random amplified polymorphism DNA (RAPD) analysis. Based on cluster analysis of RAPD data, large- and small-spored Alternaria spp. were evidently distinguished, and the small-spored species can form five clusters that fundamentally paralleled the morphological groupings. |
| 孙霞,张天宇. 河北鸭梨病果上链格孢分离系的形态及分子特性研究[J]. 菌物学报, 2008, 27(1): 105-117 |
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