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Review of the detection tools for seed-borne pathogens and the seed treatments that are applicable in organic seed production

Branca, Ferdinando; Catara, Vittoria; Prohens, Jaime; Yusen, Shen; Nigro, Sebastian; Herforth-Rahmé, Joelle and Hamon, Céline (2019) Review of the detection tools for seed-borne pathogens and the seed treatments that are applicable in organic seed production. .

[thumbnail of D4.1_Review_detection_tools_seed_borne_path.pdf] PDF - English
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Summary in the original language of the document

With changing climatic conditions and a rapidly growing world population estimated to reach 9 billion by
2050, humankind faces the serious challenge of increasing food production by at least 70 %. The vision of
BRESOV is to tackle this challenge by exploring the genetic diversity of three of the economically most
significant vegetable crops (broccoli, snap bean, and tomato) and to improve the competitiveness of these
three crops in an organic and sustainable environment. The consortium’s overall aim is to increase the plants’
tolerance to biotic and abiotic stresses and adapt the varieties to the specific requirements of organic and
low-input production processes.
In this frame we have pointed our attention to microbes actively involved in vegetable production generally
called plant growth promoting bacteria (PGPBs) and plant growth promoting rhizobacteria (PGPRs) which
improve the performance and health of the crops playing a positive role on supplying nutrients to crops,
producing phytohormones, biocontrol of pathogens, improving soil structure, bioaccumulation of inorganic
compounds and bioremediation of metal contaminated soils. In addition, the natural compounds, as such as
glucosinolates (GLSs) or propolis, are widely utilized for pathogens control in organic agrosystems and the
list of natural compounds (NCs) useful for this task is long.
Sustainable agriculture needs to implement the interactions among beneficial soil microbiome and organic
matter, NCs and the plant, improving plant health and soil fertility and reducing the conventional agricultural
inputs through combining beneficial microorganisms.
It is known that the two main factors affecting the development of organic farming in Europe are the limited
quantity and the poor quality of organic seed available on markets (bad germination, pest contamination,
and contamination with weed seed). Therefore, WP4 (High quality organic seed production) aims to develop
the protocols and tools which suit to the specific conditions of organic farming to maximize yield (T4.1) and
ensure high quality (T4.2 and T4.3) of organic seeds in broccoli, snap bean and tomato.
Specific objectives of WP4:
- O4.1: Develop protocols adapted to the specific conditions of organic farming to improve organic seed yield.
- O4.2: Determine products and tools to control the sanitary and genetic quality of organic seed lots.
Task 4.2 foresees the evaluation of alternative seed treatments to the use of chemical treatments to control
sanitary quality of seed lots.
In fact the organic farming prohibits the use of conventional chemicals to control pests and diseases, so
alternative Biocontrol agents (BCAs) and NCs, as well as mechanical treatments, will be evaluated on seed
for its protection against seed-borne pathogens and for seed vigor enhancement.


EPrint Type:Report
Keywords:Biocontrol agents, natural compounds, pathogens, seed priming, physical seed pre-treatments, biopriming
Agrovoc keywords:
Language
Value
URI
English
biocontrol -> biological control
http://aims.fao.org/aos/agrovoc/c_918
UNSPECIFIED
natural compound
UNSPECIFIED
English
pathogens
http://aims.fao.org/aos/agrovoc/c_5630
English
seed priming -> pregermination
http://aims.fao.org/aos/agrovoc/c_6165
UNSPECIFIED
seed treatment
UNSPECIFIED
UNSPECIFIED
biopriming
UNSPECIFIED
Subjects:"Organics" in general
Crop husbandry > Breeding, genetics and propagation
Research affiliation: European Union
European Union > Horizon 2020 > BRESOV
Horizon Europe or H2020 Grant Agreement Number:774244
Deposited By: Detterbeck, Dr. Amelie
ID Code:52054
Deposited On:30 Nov 2023 09:15
Last Modified:30 Nov 2023 09:15
Document Language:English
Status:Published
Refereed:Not peer-reviewed

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