?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Organic+Horticultural+Seed+Trials+in+Wales&rft.creator=Robertshaw%2C+Paul&rft.creator=Hitchings%2C+Roger&rft.subject=+Pflanzengesundheit%2C+-qualit%C3%83%C2%A4t%2C+-schutz&rft.subject=+Richtlinien+und+Zertifizierung&rft.description=Under+the+organic+standards%2C+producers+are+required+to+use+organic+seed.+However%2C+a+derogation+can+be+obtained+from+the+appropriate+certification+body+that+allows+the+use+of+(untreated)+non+organic+seed+where+appropriate+organic+material+is+not+available.+There+are%2C+however%2C+a+number+of+barriers+to+the+wider+use+of+organic+seed+including%3A%0D%0A%C3%A2%C2%80%C2%A2+Many+of+the+industry%C3%A2%C2%80%C2%99s+standard+varieties+are+not+available+in+organic+seed.+The+lifting+of+the+derogation+would+oblige+growers+to+use+varieties+of+which+they+had+little+of+no+experience%0D%0A%C3%A2%C2%80%C2%A2+By+extension+of+the+previous+point%2C+many+popular+varieties+will+no+longer+be+available+on+the+organic+markets.+It+uncertain+whether+retailers%2C+and+in+turn+their+customers%2C+would+accept+alternative+varieties%0D%0A%C3%A2%C2%80%C2%A2+There+is+little+information+on+the+agronomic+performance+of+varieties+that+are+available+in+organic+seed%2C+making+variety+choice+a+difficult+decision+for+growers.%0D%0A%C3%A2%C2%80%C2%A2+The+quality+of+organic+seed+is+perceived+to+be+of+lower+quality+in+terms+of+viability%2C+vigour+and+freedom+from+pest+and+disease+problems+than+conventional+seed.+As+of+1+January+2004%2C+growers+cannot+obtain+a+derogation+on+the+basis+of+quality%2C+and+this+potentially+brings+an+element+of+urgency+to+the+situation.%0D%0AIn+the+long+term+the+organic+sector+remains+committed+to+lifting+the+derogation+on+a+crop-bycrop+basis+as+and+when+conditions+allow%2C+and+the+industry+needs+to+be+prepared+for+this+eventuality.+This+work+aims+to+make+a+contribution+to+this+end+by+providing+information+on+the+performance+of+varieties+that+are+available+in+organic+seed%2C+thus+helping+growers+to+make+a+more+informed+decision+about+variety+choice.%0D%0AThe+trials+were+carried+out+at+Welsh+College+of+Horticulture%2C+and+were+funded+by+Farming+Connect.+They+were+coordinated+by+Organic+Centre+Wales+as+part+of+the+Farming+Connect+Organic+Development+Programme.%0D%0AObjectives%0D%0AThe+objectives+of+the+trial+was+to+assess+the+performance+of+selected+varieties+grown+from+organic+seed+in+terms+of%3A%0D%0A%C3%A2%C2%80%C2%A2+Germination%0D%0A%C3%A2%C2%80%C2%A2+Vigour%0D%0A%C3%A2%C2%80%C2%A2+Uniformity%0D%0A%C3%A2%C2%80%C2%A2+Pest+and+disease+incidence%0D%0A%C3%A2%C2%80%C2%A2+Yield%0D%0A%C3%A2%C2%80%C2%A2+Marketable+yield+(as+percentage+of+total+yield)%0D%0A%C3%A2%C2%80%C2%A2+Faults&rft.date=2004-12&rft.type=Bericht&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F10833%2F1%2Fhortseedtrials.pdf&rft.identifier=Robertshaw%2C+Paul+und+Hitchings%2C+Roger+(2004)+Organic+Horticultural+Seed+Trials+in+Wales.&rft.relation=http%3A%2F%2Forgprints.org%2F10833%2F