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W 2007 roku, obserwowano zespół objawów chorobowych na 15-letnich roślinach leszczyny różnych odmian uprawianych w centralnej Polsce. Były to duże, nieregularne brązowe nekrozy na liściach, skorupie i okrywie owocowej oraz zamieranie pędów. W 2009 roku, podobne objawy wykryto w tym samym sadzie, ale występowały one tylko na liściach. Natomiast na pobliskiej plantacji, gdzie rosły 4-letnie rośliny...
Based on the years of my own research and observations as well as survey data obtained from hazelnut growers from Lublin region, the current situation of hazelnut cultivation in Poland and in other countries was discussed in this paper. The issue of updating the selection of hazelnut varieties cultivated in Poland as well as the threat of hazelnut plantation by pests in face of the restriction or...
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