Faculty of Biology, University of Latvia
EEB
Hard copy: ISSN 1691–8088
On-line: ISSN 2255–9582
Env Exp Biol (2014) 12: 89–93
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Environmental and
Experimental
Biology

Env Exp Biol (2014) 12: 89–93

Orginal Articles

Evaluation of spruce biomass extract for control of grey mould (Botrytis cinerea) in field-grown strawberries

Jūlija Volkova1*, Valda Laugale2, Līga Lepse2, Anna Baženova1, Līga Jankevica3, Māris Daugavietis4
1Latvian Plant Protection Research Centre, Struktoru 14A, Rīga LV-1039, Latvia
2Pure Horticultural Research Centre, Abavas 2, Pūre, Tukuma novads LV–3124, Latvia
3Institute of Biology, University of Latvia, Miera 3, Salaspils LV–2169, Latvia
4Latvian Forest Research Institute “Silava”, Rīgas 111, Salaspils LV-2169, Latvia
*Corresponding author, E-mail: julija.volkova@laapc.lv

Abstract

The aim of the present study was to evaluate the efficacy of spruce biomass extract to control grey mould (Botrytis cinerea) development in field-grown strawberries. The study was performed in a commercial strawberry plantation for two years and also according to EPPO guidlines. In contrast to the laboratory investigation, the efficiency of spruce biomass extract for grey mould control on strawberries in field conditions was not convincing, possibly due to weather conditions that did not favour mould development. A better level of control was observed when lower concentrations of spruce biomass extract were used. The only treatment that significantly reduced the amount of rotted fruits, compared to untreated control was 0.5% spruce biomass extract used once a week in 2013. However, significant reduction of leaf spot diseases by the extract applications in 1 and 2% concentrations was observed.

Key words: Botrytis cinerea, Fragaria • ananassa, fruit rot, spruce, strawberry yield.

 
Env Exp Biol (2014) 12: 89–93
 DOI: http://doi.org/10.22364/eeb
EEB

Editor-in-Chief
Prof. Gederts Ievinsh



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University of Latvia

 
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