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Assessment of Infestation of Selected Blackcurrant (Ribes nigrum L.) Genotypes by the Blackcurrant Leaf Midge (Dasineura tetensi Rübs.) in Poland

Authors :
Wojciech Piotrowski
Barbara H. Łabanowska
Marcin Kozak
Source :
Insects, Vol 12, Iss 6, p 492 (2021)
Publication Year :
2021
Publisher :
MDPI AG, 2021.

Abstract

Blackcurrant leaf midge (Dasineura tetensi) is a widespread pest of blackcurrant. Attacks by this pest can cause up to 60% reduction in the growth of shoots resulting in yield decreases. Our study, conducted (2012–2014) in Poland, aimed to assess the susceptibility of blackcurrant genotypes to D. tetensi, in order to select genotypes as parental lines for breeding new blackcurrant genotypes. Among tested blackcurrant genotypes, none were found to be completely resistant to this pest. The pest colonized genotypes Big Ben, Nr 8/72, Ben Connan, Ben Alder, Ben Hope, Foxendown, Ben Nevis, Fariegh, Ojebyn, and Ben Tirran below the threshold level (10%). In contrast, genotypes Nr 7/15, Ben Lomond, Ben Finlay, Tisel, Polares, Polonus, Tiben, PC-110, Polben, Gofert, Ruben, and Ores suffered pest levels above the threshold. With regard to egg numbers, the fewest were recorded on genotypes Big Ben, Ben Connan, Ben Alder, and Ben Nevis, and the most on Gofert and Ores. Fewer larvae were recorded on genotypes Big Ben, Nr 8/72, Ben Connan, and Foxendown compared to Ben Lomond, PC-110, Gofert, Tiben, Polben, and Ores. Developing blackcurrant genotype resistance to leaf midge strongly supports the IPM strategy.

Details

Language :
English
ISSN :
20754450
Volume :
12
Issue :
6
Database :
Directory of Open Access Journals
Journal :
Insects
Publication Type :
Academic Journal
Accession number :
edsdoj.94bd588d5681493ea5c3695193798dda
Document Type :
article
Full Text :
https://doi.org/10.3390/insects12060492