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Wax soft scales (Hemiptera: Coccidae) include many important pest species of agricultural and ornamental plants which spread along international trading networks of plants and plant material. Here we report the first findings of the wax scales Ceroplastes japonicus and Ceroplastes ceriferus for Switzerland. The two new findings of Ceroplastes were collected on Laurus nobilis and Vaccinium myrtillus...
A system for microarrays was developed to detect and differentiate Cucumber mosaic virus (CMV) serogroups and subgroups. The coat protein genes of 14 different isolates were amplified using cy3-labelled generic but species–specific primers. These amplicons were hybridized against a set of five different serotype and subgroup specific 24-mer oligonucleotides bound to an aldehyde-coated glass slide...
Heteroplasmy in coding chloroplast DNA was only recently shown to occur and was so far not quantitatively assessed. We present a quantitative analysis of cpDNA heteroplasmy levels at a triazine-resistance determining site within and between individual Senecio vulgaris plants. Detectable levels of heteroplasmic haplotypes were observed in all tested plants. As expected, the levels of heteroplasmy vary...
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