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Transcript
New phytosanitary issues in plant
production in the EU
John van Ruiten,
Director Naktuinbouw Netherlands
Fleuroselect, 29 November 2016
What’s happening in the world
• Global tendencies (IPPC/ISPM’s/PRA’s)
• EU new phytosanitary Plant Health Regulation
(1-1-2017, to be implemented 1-1-2020)
• EU official control Regulation (2020)
• Brexit, others to follow? Consequences?
• More specific requirements in 3rd countries
Status of diseases
• Big/important Q’s (priority) and normal Q’s
• New concept: RNQP (regulated, plants for planting,
close to 0%)
• Other Quality diseases (“substantially free”)
• Process: EU Quality Pest Project started, EPPO
responsible for execution, Discussion 2017
• MS specialists are involved. Decision 2018.
RNQP
• Many pests/pathogens considered to
“downgrade” (Clavibacter, TSWV, Liriomyza spp,
Radopholus similis, Opogona sacchari, Puccinia
horiana, CSVd, Helicoverpa, Plasmopara
halstedii)
• New requirements and tolerances (close to zero)
have to be developed (EU wide)
• Plant passport is related document
Phytotopics (1)
• Xylella (Many species, Prunus, Pelargonium)
• Ralstonia (roses and other crops)
• Viroids (solanaceous plants)
• Bemisia (Poinsettia, other species)
• Curtobacterium (Poinsettia)
Phytotopics (2)
• Agrobacterium (roses, chrysanthemum, Asters)
• Rhodococcus (Pelargonium, Aster)
• Thrips setosus (Hortensia, Poinsettia)
• …………………
Xylella
• Identified in EU since 2013 in Olive,
Oleander, Prunus ,Polygala. In 3rd
countries : Coffee, Vine plants,
• Various strains (pauca, multiplex,
fastidiosa)
• Pelargonium ?
• XF-actors
Ralstonia
• Known in Solanaceae (race 3)
• Known in Anthurium, Curcuma (race 1)
• Now occuring in Roses (race 1, but new
strain!)
• Origin unknown (India?)
• Clean system
Bemisia
• Widely occuring in EU
• Concern: direct damage and virus
transmission
(TYLCV, TCV, CVYV, (15))
• Difficult to control
• UK: wants measures
Viroids
• PSTVd : Eradication if present in potato,
tomato, peppers
• No emergency measures in ornamental
species (passport remains in
solanaceous plants like S. jasminoides)
• CSVd : still q, but will be RNQP
• Other pospi : discussion pending
Curtobacterium
• Poinsettia cancer
• Findings in Germany (2014, 2016) in
Poinsettia
• Originating (hypothesis) from Africa
• Also known NZL, USA, Romania
• Latent, water transmission
Agrobacterium
•
•
•
•
Importance remains!
Crown gall. Ti plasmide
Plant detection
Soil detection
Rhodococcus
• Back from the past!
• Also Impatiens, carnation, Kalanchoe,
Pelargonium
• Bacteria on leaf surface
• Testing : stem/axillary buds
• hygiene
Thrips setosus
•
•
•
•
•
•
Up till now: Hortensia
In UK recently T.setosus in Poinsettia
Originating from Asia
Also TSWV vector
Very polyphagous
Feeds on leaves
Measures
•
•
•
•
•
•
Prevention (checks/hygiene)
Systems (e.g. Elite, Select Plant)
Knowledge (share information)
Detection (develop and use)
Resistance (central goal in breeding)
………
Discussion
•
Questions?
Quality in Horticulture