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Stability of partial resistance in potato cultivars exposed to aggressive strains of Phytophthora infestans
Potato cultivars were evaluated for their resistance responses to aggressive strains of Phytophthora infestans in field and laboratory experiments. Analysis of variance revealed differential… Expand
The Population Structure of Phytophthora infestans from the Toluca Valley of Central Mexico Suggests Genetic Differentiation Between Populations from Cultivated Potato and Wild Solanum spp.
ABSTRACT The population structure of Phytophthora infestans in the Toluca Valley of central Mexico was assessed using 170 isolates collected from cultivated potatoes and the native wild Solanum spp.,… Expand
Epidemiological importance of Solanum sisymbriifolium, S. nigrum and S. dulcamara as alternative hosts for Phytophthora infestans
Lesions of Phytophthora infestans were found on woody nightshade (Solanum dulcamara), black nightshade (S. nigrum) and S. sisymbriifolium during a nationwide late blight survey in the Netherlands in… Expand
Differential interaction of Phytophthora infestans on tubers of potato cultivars with different levels of blight resistance
Differential interactions in tuber blight attack between potato cultivars and Phytophthora infestans isolates were studied using whole tuber and tuber slice assays. Tuber blight incidence and… Expand
Population Structure of Phytophthora infestans in the Toluca Valley Region of Central Mexico.
ABSTRACT We tested the hypothesis that the population of Phytophthora infestans in the Toluca valley region is genetically differentiated according to habitat. Isolates were sampled in three habitats… Expand
Monotoring Primary Sources of Inoculum of Phytophthora infestans in The netherlands 1999-2005
Summary In the period 1999 till 2005, a project on monitoring early outbreaks of late blight in Dutch potato fi elds was performed in the context of the so-called Master Plan Phytophthora (MP) and… Expand
The Impact of oospores of Phytophthora infestans on late blight epidemics
Several aspects of the ecology of oospores of Phytophthora infestans were studied in the Netherlands using both observational and experimental methods. Following the introduction of a variable late… Expand
Will the real Alternaria stand up please Experiences with Alternaria-like diseases on potatoes during the 2009 growing season in The Netherlands
INtroductIoN during the period June 25 till september 18, 2009, a survey was made on causes of Alternaria-like lesions present on potato leaves. This survey was part of a project called development… Expand
Populations of Phytophthora infestans in the Toluca valley on wild Solanum species are not different from those on cultivated potatoes