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Phytophthora plurivora was the most often detected species from water using rhododendron baits. The species was isolated from water of two rivers, Jasieniec and Korabiewka, a water pond and a drainage canal from March to November, 2008 (in Korabiewka river also in December). The highest population density of P. plurivora was observed in March and April in water pond and canal, and in May in both analysed...
W minionych 2 latach z siewek kasztanowca z objawami brunatnienia wierzchołków korzeni i ich pękania oraz z porażonej podstawy pędów irgi wyizolowano Phytophthom cambivora. Gatunek ten wykryto również w podłożach spod zamierającej irgi i cyprysików Lawsona. Izolaty tego czynnika chorobotwórczego kolonizowały tkanki korzeni, części pędów oraz blaszki liściowe 3 gatunków roślin. Stwierdzono zróżnicowaną...
Wobec częstego występowania zgnilizny korzeni i podstawy pędu (Phytophthora citricola) siewek buka (Fagus sylvatica), a jednocześnie braku zarejestrowanych środków ochrony, istnieje potrzeba opracowania metody biologicznej ochrony roślin przed tym patogenem i zminimalizowania możliwości zawlekania patogena na materiale sadzeniowym do lasów. Wykazano, że uprawa w płodozmianie szkółkarskim gryki i gorczycy...
Phytophthora citrophthora was isolated from grafted lilac (Syringa vulgaris). Showing browning of leaf blade edge and necrosis spreading on all leaves. On the stem bases, beginning from the grafted place, necrosis had even spread 20 cm upward, whereas root stock shoots and roots were healthy. Using rhododendron leaves as the bait, Phytophthora citrophthora was isolated from soil where growing plants...
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