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The species structure of plant parasitic nematode populations from the rhizosphere of winter wheat grown with crop rotation or in 48-year-old monoculture was analyzed and compared. Dominating species: Bitylenchus dubius, Merlinius microdorus, Paratylenchus neglectus and Heterodera avenae, in monoculture plots, had higher populations than in crop rotation plots. Heterodera avenae eggs and larvae were...
There are many serious pests in forest nurseries, which can be killed by entomopathogenic nematodes (EPNs) applied to soil. The paper presents a method of biological control, which is appropriate for destroying harmful insects, and is an alternative to chemicals−based approach. Both, the rules and technical conditions concerning the application of biological preparations for insects control are discussed...
Repeating outbreaks of the Scots pine pests, effecting in stands damages, are the most important problems of forest protection. In extreme cases they pose a real threat to the stability of stands. Naturally occurring entomopathogenic nematodes are important regulatory factors in insect populations. Many species are employed as biological agents to control the insect pests. The objectives of this research...
The knowledge on nematodes occurrence in Polish vineyards is poor. The surveys of the species from the rhizosphere of plants were conducted between 2013 and 2014 in 12 vineyards in the northwestern part of Poland. Recovery of the nematodes was made in two steps. First, through incubation of 50 g of the roots on sieve. Second, by centrifugation method using 200 g of soil. Nematodes obtained were killed...
The paper presents the results of the analysis of 472 soil samples collected in the 1986-1987 time period, from 209 forest nurseries located in different regions of Poland. In total, 119 species of nematodes belonging to 56 genera were found: 64 species considered as plant feeders - parasites of higher plants, 34 species classified as fungal, epidermal cell and plant root hair feeders, 12 species...
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