ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • 1
    Electronic Resource
    Electronic Resource
    Seasonal detection of pear decline phytoplasma by nested-PCR in different pear cultivars (2003)
    Oxford, UK : Blackwell Science Ltd
    Plant pathology 52 (2003), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Seasonal detection of pear decline phytoplasma was studied in three pear cultivars: Bartlett, Limonera and Blanquilla. Samples from 43 infected trees were collected monthly over 2 years and analysed by nested PCR. The three cultivars each showed a different pattern of phytoplasma detection. The maximum detection rate of pear decline phytoplasma occurred in December in the three orchards, and it remained high throughout the winter months. In spring, when new buds appeared and sap was produced, the detection rate decreased. Leaf midribs, buds and stems were compared to determine which sample was more reliable for phytoplasma detection. The best indicators were stems. The presence of phytoplasma in sieve tubes during the dormant season was determined by grafting. The results suggest that phytoplasmas could overwinter in shoots, with the implication that vegetative propagation during this period could also disseminate the disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3059.2003.00868.x
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Construction of a saturated linkage map for Prunus using an almond×peach F2 progeny (1998)
    Springer
    Theoretical and applied genetics 97 (1998), S. 1034-1041 
    Details
    ISSN: 1432-2242
    Keywords: Key words Almond ; Peach ; Prunus amygdalus ; P. persica ; Isozymes ; RFLPs ; Mapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  A map with 246 markers (11 isozymes and 235 RFLPs) was constructed using an interspecific F2 population between almond (cv Texas) and peach (cv Earlygold). RFLPs were obtained using 213 probes from the genomic and cDNA libraries of different species (almond, peach, P. ferganensis, cherry, plum and apple), including 16 almond probes which correspond to known genes. All markers were distributed in eight linkage groups, the same as the basic chromosome number of the genus, covering a total distance of 491 cM. The average map density was 2.0 cM/marker and only four gaps of 10 cM or more were found; the two largest gaps were 12cM each. This map was compared with one constructed previously with an intraspecific almond population sharing 67 anchor loci. Locus order was nearly identical and distances were not significantly different. A large proportion of the mapped loci (46%) had skewed segregations; in approximately half of them, the distortion was due to an excess of heterozygotes. One of the distorted regions could be associated with the position of the self-incompatibility gene of almond.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220050988
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    A linkage map with RFLP and isozyme markers for almond (1995)
    Springer
    Theoretical and applied genetics 91 (1995), S. 964-971 
    Details
    ISSN: 1432-2242
    Keywords: Almond ; Prunus amygdalus ; Isozymes ; RFLPs ; Genetic maps
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Inheritance and linkage studies were conducted with seven isozyme genes and 120 RFLPs in the F1 progeny of a cross between almond cultivars ‘Ferragnes’ and ‘Tuono’. RFLPs were detected using 57 genomic and 43 cDNA almond clones. Eight of the cDNA probes corresponded to known genes (extensin, prunin (2), α-tubulin, endopolygalacturonase, oleosin, actin depolymerizing factor and phosphoglyceromutase). Single-copy clones were found more frequently in the cDNA (65%) than in the genomic libraries (26%). Two maps were elaborated, one with the 93 loci heterozygous in ‘Ferragnes’ and another with the 69 loci heterozygous in ‘Tuono’. Thirty-five loci were heterozygous in both parents and were used as bridges between both maps. Most of the segregations (91%) were of the 1∶1 or 1∶1∶1∶1 types, and data were analyzed as if they derived from two backcross populations. Eight linkage groups covering 393 cM in ‘Ferragnes’ and 394 in ‘Tuono’ were found for each map. None of the loci examined in either map was found to be unlinked. Distorted segregation ratios were mainly concentrated in two linkage groups of the ‘Ferragnes’ map.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00223907
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...