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Susceptibility of different sugar beet cultivars to larva damage caused by the third generation of beet fly (Pegomya hyoscyami Panz.) was tested in the field condition in 2008 and 2009. The effect of the pest damage on yield was estimated. Twenty four cultivars were tested in one location in 2008 (Piołunowo). Ten cultivars were tested in four locations in 2009 (Tytlewo, Tylice, Piołunowo, Zbójno)...
Long term experiments were conducted with sugar beet on fields with 2- (sugar beet spring cereals), 3- (sugar beet, spring and winter cereals) and 4-years crop rotation (sugar beet, spring cereals, maize for a green crop, winter cereals). Nematode and aphids’ population number, damage caused by beet fly and flea beetle were recorded on each tested field. Increasing of sugar beet frequency in a crop...
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