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Differences in flight activity of pests on winter and spring oilseed rape
winter oilseed rape spring oilseed rape pests yellow trap flight activity variability
2015/1/28
For 6 years the flight activity of pests on winter and spring oilseed rape was studied from spring till harvest, using yellow traps. In all years the flight intensity was higher in winter rape than in...
Insect pests and their natural enemies on spring oilseed rape in Estonia : impact of cropping systems
spring oilseed rape pollen beetles Hymenoptera Carabidae,
2010/8/10
To investigate the impact of different cropping systems, the pests, their hymenopteran parasitoids and predatory ground beetles present in two spring rape crops in Estonia, in 2003, were compared. One...
Effects of fungicide application timing on the incidence and severity of Alternaria blight (Alternaria brassicae) and on the productivity of spring oilseed rape (Brassica napus L. ssp. oleifera annua Metzg.)
Alternaria brassicae oilseed rape disease incidence disease severity prochloraz tebuconazole seed yield
2010/1/13
In the year most favourable for Alternaria blight occurrence (1998), the seed yield in the untreated plots was by up to 0.07 t ha-1 lower, and the disease severity on siliques was as much as 3.2 times...