Field validation of biocontrol strategies to control brown rot on stone fruit in several European countries
- 14 January 2021
- journal article
- research article
- Published by Wiley in Pest Management Science
- Vol. 77 (5), 2502-2511
- https://doi.org/10.1002/ps.6281
Abstract
BACKGROUND Brown rot caused by Monilinia spp. is the most significant disease of stone fruit. New approaches to fruit production have necessitated the development of control strategies that are more eco‐ and consumer‐friendly. An efficient field strategy to control brown rot was previously designed based on the application of two biocontrol agents (BCAs), Bacillus amyloliquefaciens CPA‐8 (CPA‐8) or Penicillium frequentans 909 (Pf909), with calendar‐based treatment. In the present study, the strategy was validated on different stone fruit hosts in four producing countries over two seasons. RESULTS The results obtained were reported according to three different scenarios: Scenario 1, in which there was no presence of disease in the field; Scenario 2, in which high disease pressure occurred in the field and treatments (biologicals or chemicals) were not effective; and Scenario 3, with low or medium to high disease presence. The results were successful since, in general, BCA strategies demonstrated to control brown rot to a similar extent as chemicals strategies. We found that most of the trials conducted in this study were classed under Scenario 3 (62.5 %), while only 12.5% and 25 % of the trials were classed under Scenarios 1 and 2, respectively. CONCLUSION These novel findings allowed the formulation of CPA‐8 and Pf909 as valuable tools for farmers to more competitively produce stone fruits and meet consumer demand for safer and more environmentally friendly products.Keywords
Funding Information
- Generalitat de Catalunya (2014‐FI‐B00367)
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