Susceptibility of some vegetable species to feeding of Cepaea hortensis (Müller) and Arion rufus (Linnaeus)
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Institute of Plant Protection, Miczurina 20, 60-318 Poznań, Poland
Agricultural University, Faculty of Agriculture, Wojska Polskiego 28, 60-638 Poznań, Poland
Agricultural University, Department of Mathematical and Statistical Methods Wojska Polskiego 28, 60-638 Poznań, Poland
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Jan Kozłowski
Institute of Plant Protection, Miczurina 20, 60-318 Poznań, Poland
Journal of Plant Protection Research 2006;46(3):231-239
Vegetables in addition to arable crops and ornamentals are also at high risk from slug and snail attack at all growth stages. The no-choice tests were conducted under laboratory conditions to assess the harmfulness of the slug Arion rufus (Linnaeus) and the snail Cepaea hortensis (Müller) to young vegetable plants. Ten species representing leaf and root vegetables, allium, brassica, cucurbit and edible pulse plants were chosen to compare their susceptibilities to feeding of these pests (agrotechnical classification – Polish National List of Varieties of Agricultural and Vegetable Plants 2005). The evaluation of the growth of the tested vegetables included a percentage of the damaged plant area and changes in aboveground plant mass. The trend toward increase of mass was defined by the means of regression analysis. Losses of aboveground plant mass resulting from pest feeding and plant growth restraint caused by the slug or the snail damage were assessed. Variance analysis of the general linear model and orthogonal contrasts were calculated to compare the vegetable groups included in the research. The highest losses of aboveground plant mass, by both pest species A. rufus and C. hortensis, were on common bean plants and the smallest on plants of leaf vegetables (lettuce, dill), brassica plants (cauliflower, white cabbage) and allium plants (garden onion).
The authors have declared that no conflict of interests exist.
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