?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Sortenpr%C3%83%C2%BCfung+Steinobst+f%C3%83%C2%BCr+den+biologischen+Anbau&rft.subject=+Breeding%2C+genetics+and+propagation&rft.description=State+of+the+Art%3A+World-wide+there+is+very+little+cultivar+testing+of+stone+fruit+under+organic+conditions.+Neither+are+there+appropriate+breading+programs+on-going.+Thus%2C+knowledge+is+very+scare.%0D%0A%0D%0AStone+fruit+as+cherries%2C+plums+and+apricots+are+very+difficult+to+produce+organically.+A+key+disease+is+Monilia+sp.+Further+problems+to+overcome+are+susceptibility+to+leaf+spot+disease%2C+aphids%2C+insects%2C+cracking+etc.+Additionally+organic+stone+fruit%2C+too%2C+has++to+achieve+the+high+and+significantly+changed+market+expectations+(bigger+and+crisper+fruit).%0D%0A%0D%0AThe+project+aim+is+to+find+cherry+(sweet+and+sour)+and+plum+cultivars+suited+for+organic+production.%0D%0A%0D%0AMethodology%3A+Precision+trials+are+planted+at+Stone-Fruit+Center+Breitenhof+of+Agroscope+W%C3%83%C2%A4denswil+at+CH-Wintersingen.+15+cultivars+of+sweet+cherry%2C+8+of+sour+cherry+and+12+plum+cultivars%3B+4+replicates.+Some+advanced+cherry+and+plum+cultivars+are+also+under+On-Farm+observation.+Apricots+are+evaluated+only+under+On-Farm+conditions+in+commercial+organic+orchards+in+canton+Vallais.%0D%0A%0D%0AResults+%26+conclusion%3A+Only+few+of+15+sweet+cherry+cultivars+(new+selections+and+old+traditional+varieties)+show+a+potential+for+organic+production+(Julka+and+FAW+1075).+Confirmation+and+On-Farm+trials+are+going+to+be+installed.&rft.type=Project+description&rft.type=NonPeerReviewed&rft.identifier=%7BProject%7D+Organic+Stone+fruit%3A+Sortenpr%C3%83%C2%BCfung+Steinobst+f%C3%83%C2%BCr+den+biologischen+Anbau.+[Testing+of+stone+fruit+cultivars+for+organic+production.]+Runs+1999+-+2007.+Project+Leader(s)%3A+Weibel%2C+Franco%3B+H%C3%83%C2%A4seli%2C+Andi+and+Tschabold%2C+Jean-Luc%2C+Research+Institute+of+Organic+Agriculture+(FiBL)%2C+CH-5070+Frick.+More+information+online+at+%3Chttp%3A%2F%2Fwww.fibl.org%2Fde%2Fschweiz%2Fforschung%2Fanbautechnik-pflanzenbau.html+%3Chttp%3A%2F%2Fwww.fibl.org%2Fde%2Fschweiz%2Fforschung%2Fanbautechnik-pflanzenbau.html%3E%3E.&rft.relation=http%3A%2F%2Forgprints.org%2F6290%2F