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Powdery mildew (Oidium spp.) on the genus Lycopersicon


, : Powdery mildew (Oidium spp.) on the genus Lycopersicon. Ochrana Rostlin 33(4): 297-310

Tomato powdery mildew (O. lycopersicum) is a dangerous new disease which started to spread in the 1980s in West Europe (the Netherlands, France, Germany, England and Switzerland) and now its occurrence is recorded in the majority of other countries in Europe, USA and Canada. In the Czech Republic, the pathogen was recorded for the first time in 1988 in Olomouc, Paskov and Spytihnev only on greenhouses crops of tomato. All tomato cultivars released up to 1990 were susceptible.


Accession: 003237486

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Related references

Bai, Y.; Huang, C-Cheng.; van der Hulst, R.; Meijer-Dekens, F.; Bonnema, G.; Lindhout, P., 2003: QTLs for tomato powdery mildew resistance (Oidium lycopersici) in Lycopersicon parviflorum G1.1601 co-localize with two qualitative powdery mildew resistance genes. Tomato (Lycopersicon esculentum) is susceptible to the powdery mildew O. lycopersici [O. lycopersicum], but several wild relatives such as Lycopersicon parviflorum G1.1601 are completely resistant. An F2 population from a cross of Lycopersicon esc...

Lebeda, A.; Mieslerova, B.; Luhova, L.; Mlickova, K., 2002: Resistance mechanisms in Lycopersicon spp. to tomato powdery mildew (Oidium neolycopersici). Histochemical and biochemical experiments were conducted to determine the resistance mechanisms of Lycopersicon spp. against Oidium neolycopersici. The results showed that germination of O. neolycopersici was not effectively inhibited by the host...

Huang CaiCheng; Groot, T.; Meijer Dekens, F.; Niks, R.E.; Lindhout, P., 1998: The resistance to powdery mildew (Oidium lycopersicum) in Lycopersicon species is mainly associated with hypersensitive response. The cultivated tomato (L. esculentum) is susceptible to powdery mildew (O. lycopersicum). Six accessions of 3 related Lycopersicon spp. have shown high levels of resistance. The development of O. lycopersicum on susceptible tomato cv. Moneymaker w...

Lindhout, P.; Pet, G.; Beek, H. van der, 1994: Screening wild Lycopersicon species for resistance to powdery mildew (Oidium lycopersicum). With a view to developing a reliable and efficient screening test, young plants with 2 to 3 true leaves were inoculated at high relative humidity by spraying with a freshly prepared suspension of 2 x 104 conidia/ml. Symptoms were periodically eval...

Ciccarese, F.; Amenduni, M.; Schiavone, D.; Cirulli, M., 1998: Occurrence and inheritance of resistance to powdery mildew (Oidium lycopersici) in Lycopersicon species. Among 146 accessions of Lycopersicon pimpinellifolium, 132 of L. esculentum var. cerasiforme and 53 of L. peruvianum screened for resistance to O. lycopersici, a wide variation in reactions was found. Two plants of L. esculentum var. cerasiforme a...

Bai YuLing, 2004: The genetics and mechanisms of resistance to tomato powdery mildew (Oidium neolycopersici) in Lycopersicon species. This thesis focuses on the quantitative trait loci for tomato powdery mildew (Oidium neolycopersici) resistance in Lycopersicon parviflorum; the simple PCR markers converted from sequence-specific restriction fragment length polymorphism markers o...

Lebeda, A.; Mieslerova, B.; Luhova, L., 2002: Characterization of wild Lycopersicon spp. germplasm for resistance to tomato powdery mildew (Oidium lycopersici). One hundred fifty accessions of nine wild Lycopersicon species were screened for response to O. lycopersici [O. lycopersicum] (Czech isolate). L. hirsutum, L. pennellii, L. cheesmanii, L. parviflorum and L. chilense were resistant. The closest rel...

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Matsuda, Y.; Mori, Y.; Sakano, Y.; Nishida, M.; Tarumoto, K.; Nonomura, T.; Nishimura, H.; Kusakari, S.; Toyoda, H., 2005: Screening of wild Lycopersicon species for resistance to Japanese isolate of tomato powdery mildew Oidium neolycopersici. A total of 72 accessions of Lycopersicon hirsutum, L. pennellii, L. peruvianum, L. chilense, L. parviflorum, L. pimpinellifolium, L. cheesmanii, L. esculentum var. cerasiforme, L. esculentum var. pyriforme and L. esculentum were studied for resist...

Van-Der-Beek, J.G.; Pet, G.; Lindhout, P., 1994: Resistance of powdery mildew (Oidium lycopersicum) in Lycopersicon hirsutum is controlled by an incompletely-dominant gene Ol-1 on chromosome 6. The inheritance of resistance to powdery mildew (Oidium lycopersicum) in Lycopersicon hirsutum was investigated by disease tests in segregating populations obtained by hybridising tomato (L. esculentum) cv Moneymaker with the wild relative L. hirs...