<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The blackcurrant gall mite (<italic>Cecidophyopsis ribis</italic>) is the most important pest of blackcurrant crops. Over recent years withdrawal from plant protection programmes of chemical products (endosulfan and amitraz) used for the control of this pest in Poland, has led to an observed increase in population numbers. In 2013, fenpiroxymate (Ortus 05 SC) became registered for control of this pest. It is deemed best that chemical protection should be used during the migration period; when big gall mites emerge from buds in search of new buds. The studies were carried out in a plantation of blackcurrants during 2011-2013. The assessment of migration of the blackcurrant gall mite was carried out on the cultivars ‘Ben Hope’, ‘Ben Alde’r, ‘Ojeby’n and ‘Ruben’. Every year, from selected cultivars buds were collected. They were then placed on blackcurrant leaves within Petri dishes. After one, three and five days of placing buds on the leaves, the estimated number of eriophyid mites on the leaves was calculated. The data has shown a very useful method for monitoring blackcurrant gall mite, which can be used in calculating the treatment dates for this pest. Also, the data has shown that differences in the periods of migration of the mite are dependent on the cultivar and time of flowering. Among the cultivars observed the least susceptible to colonization by the blackcurrant gall mite was a Polish cultivar ‘Ruben’, while the most susceptible cultivar was ‘Ben Hope’.</p></abstract>

The blackcurrant gall mite (Cecidophyopsis ribis) is the most important pest of blackcurrant crops. Over recent years withdrawal from plant protection programmes of chemical products (endosulfan and amitraz) used for the control of this pest in Poland, has led to an observed increase in population numbers. In 2013, fenpiroxymate (Ortus 05 SC) became registered for control of this pest. It is deemed best that chemical protection should be used during the migration period; when big gall mites emerge from buds in search of new buds. The studies were carried out in a plantation of blackcurrants during 2011-2013. The assessment of migration of the blackcurrant gall mite was carried out on the cultivars ‘Ben Hope’, ‘Ben Alde’r, ‘Ojeby’n and ‘Ruben’. Every year, from selected cultivars buds were collected. They were then placed on blackcurrant leaves within Petri dishes. After one, three and five days of placing buds on the leaves, the estimated number of eriophyid mites on the leaves was calculated. The data has shown a very useful method for monitoring blackcurrant gall mite, which can be used in calculating the treatment dates for this pest. Also, the data has shown that differences in the periods of migration of the mite are dependent on the cultivar and time of flowering. Among the cultivars observed the least susceptible to colonization by the blackcurrant gall mite was a Polish cultivar ‘Ruben’, while the most susceptible cultivar was ‘Ben Hope’.

Migration Monitoring of Blackcurrant Gall Mite (<italic>C<sc>ecidophyopsis ribis</sc></italic> Westw.) from Buds to Leaves on Several Blackcurrant (<italic>R<sc>ibes nigrum</sc></italic> L.) Cultivars

Research Institute of Horticulture, Konstytucji 3 Maja 1/3, 96-100 Skierniewice,

Institute of Plant Genetics, Strzeszyńska 34, 60-479 Poznań,

Journal of Horticultural Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Migration Monitoring of Blackcurrant Gall Mite ( Westw.) from Buds to Leaves on Several Blackcurrant ( L.) Cultivars

The blackcurrant gall mite (Cecidophyopsis ribis) is the most important pest of blackcurrant crops. Over recent years withdrawal from plant protection...

Migration Monitoring of Blackcurrant Gall Mite (Cecidophyopsis ribis Westw.) from Buds to Leaves on Several Blackcurrant (Ribes nigrum L.) Cultivars

Published Online: Dec 30, 2016

Page range: 61 - 68

Received: Mar 01, 2016

Accepted: Nov 01, 2016

DOI: https://doi.org/10.1515/johr-2016-0021

Keywords
monitoring, blackcurrant gall mite, ‘Ben Alder’, ‘Ben Hope’, ‘Ruben’, ‘Ojebyn’

© 2016 Wojciech Piotrowski et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Migration Monitoring of Blackcurrant Gall Mite (Cecidophyopsis ribis Westw.) from Buds to Leaves on Several Blackcurrant (Ribes nigrum L.) Cultivars

Published Online: Dec 30, 2016

Page range: 61 - 68

Received: Mar 01, 2016

Accepted: Nov 01, 2016

DOI: https://doi.org/10.1515/johr-2016-0021

Keywordsmonitoring, blackcurrant gall mite, ‘Ben Alder’, ‘Ben Hope’, ‘Ruben’, ‘Ojebyn’

© 2016 Wojciech Piotrowski et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
monitoring, blackcurrant gall mite, ‘Ben Alder’, ‘Ben Hope’, ‘Ruben’, ‘Ojebyn’