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PODATNOŚĆ WYBRANYCH ODMIAN WIERZBY SALIX SPP. NA FITOFAGI

100%
Nijak K., Miziniak W.
Zagadnienia Doradztwa Rolniczego
|
2015
|
issue 4(82)
133-139
EN
The aim of the study was to select willow varieties the most and the least attractive as a food source to pests. Three willow varieties were chosen: Turbo, Start and Kortowska. They characterized with diverse attractiveness. Start was attacked the most often and the plants belonging to Turbo variety had their leaf blades the least damaged.
2
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Bioróżnorodność owadów na plantacji wierzby energetycznej

100%
Krzymińska J., Nijak K.
Zagadnienia Doradztwa Rolniczego
|
2014
|
issue 2(76)
54-65
EN
This paper reviews the potential value of SRW plantations as a habitat for invertebrates. It shows the investigation on the number and biodiversity of insects (both predators and herbivores) populating a plantation in IPP–NRI Field Experimental Station Winna Góra, Poland. The study took place in 2009 and 2010. All together 1840 insects were collected. They belonged to7 orders and 27 families. The most abundant groups were Coleoptera and Diptera orders. The biodiversity index was high. It was determined that SRW plantations are an excellent environment for insects.
3
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Wpływ stosowania środków ochrony roślin na zgrupowania biegaczowatych (col., carabidae) w uprawie ziemniaka

81%
Nijak K., Kosewska A., Topa E.
Zagadnienia Doradztwa Rolniczego
|
2014
|
issue 1(75)
66-74
EN
In study, infuence of chemical protection in integrated potato management on ground beetles (Coleoptera, Carabidae) was researched. Obtained result was compared with an organic field. The study was conducted in 2008 and 2012 years in Winna Góra near Środa Wielkopolska. Ten Barber traps were placed on each field. Two potato fields were selected: organic and integrated. In total, 1 917 specimens representing 34 species (Carabide family) were captured in integrated fields and 2 579 specimens representing 33 species in organic fields. Harpalus rufipes was the dominating species. In the studied fields, there was no significant impact of the use of insecticides on beneficial ground beetles assemblages, while we found significant use of fungicides and herbicides.
4
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Zgrupowania pająków Araneae wystepujących na łące ekstensywnej i w zbożach ozimych

71%
Topa E., Nicewicz Ł., Hajdamowicz I., Twardowska K., Nijak K.
Zagadnienia Doradztwa Rolniczego
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2014
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issue 4(78)
68-77
EN
The study aimed to show the relationship between the assemblage of spiders that inhabit the meadow used extensively, covered by agri-environmental program, (pack of 3-extensive permanent grassland, the Rural Development Programme for 2007–2013), and the adjacent winter crops, wheat in 2008 and triticale in 2009. Observations were carried out in 2008–2009 in north-eastern Poland, in the town of Bartążek near Olsztyn (UTM ED 65). Spiders were caught by sweep neting. During the study indicated 977 individuals belonging to 12 families, 39 types and 49 species. On the extensive meadow caught two times more spiders than on the fields. Species composition and structure of assemblage of spiders grassland and cereals were more alike in a given year than the types of crops.
5
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Organizmy szkodliwe i entomofauna pożyteczna jako wskaźniki bioróżnorodności i stanu fitosanitarnego produkcji rolnej

51%
Remlein-Starosta D., Krzymińska J., Nijak K., Drożdżyński D., Walorczyk S., Urszula D., Jaworski R., Szłykowicz M.
Zagadnienia Doradztwa Rolniczego
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2012
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issue 3(69)
73-85
EN
The project „The evaluation of environment condition in areas vulnerable to nitrogen pollution in Wielkopolska” was implemented within Institute of Plant Protection-National Research Institute and Wielkopolska Agricultural Advisory Centre in Poznań cooperation. The project was subsidized by Regional Fund for Environmental Protection and Water Management in Poznań. The aim of the analysis was to evaluate a certain number of environment components such as biodiversity and phytosanitary condition indicators. The analysis was conducted on chosen farms in areas vulnerable to nitrogen pollution in Wielkopolska. The farms area ranged from 10 to over 30 ha. On each farm one or two crops were fully analysed. All biodiversity factors were high or medium. Pests and diseases, which may cause a critical threat to monocultures and simplified rotation, occurrence was examined. It was concluded that infestation level of examined crops was not epidemic. The high quantity of beneficial and predatory insects balanced pests quantity. Different species and groups of weeds were found on each crop.
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