?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Sortenpr%C3%83%C2%BCfung+Kernobst+f%C3%83%C2%BCr+den+biologischen+Anbau&rft.subject=+Z%C3%83%C2%BCchtung+und+Vermehrung&rft.description=State+of+the+Art%3A+%0D%0AWorld-wide+there+is+very+little+cultivar+testing+of+pipfruit+under+the+conditions+of+organic+farming.+No+rare+there+appropriate+breeding+programs+on-going.+Thus%2C+knowledge+is+very+scare.+%0D%0A%0D%0ADefinition+of+the+problem%3A+%0D%0APipfruit+as+apple+and+pears+are+difficult+to+produce+organically.+A+key+disease+is+scab+(Venturia+sp.)%3B+but+also+susceptibility+to+leaf+spot+disease%2C+monilia%2C+sooty+blotch+disease%2C+aphids%2C+insects%2C+biennial+bearing%2C+cracking+etc.+are+major+problems+to+overcome+with+organically+approved+methods+and+products.+Additionally%2C+also+organic+pipfruit+have+to+achieve+the+high+and+significantly+increased+expectations+in+terms+of+outer+and+inner+quality.+%0D%0A%0D%0AProject+aims%3A+%0D%0ATo+find+apple+and+pear+cultivars+suited+for+organic+production.+%0D%0A%0D%0AMethodology%3A+%0D%0APrecision+trials+are+planted+at+FiBL+in+Frick+(20+cultivars+per+series+in+an+in-out-system%3B+trees+are+planted+in+two+blocks%3A+%C3%A2%C2%80%C2%9Cvery+extensive%C3%A2%C2%80%C2%9D+with+3+x+2+trees+and+%C3%A2%C2%80%C2%9Cwith+usual+care%C3%A2%C2%80%C2%9D+2+x+5+trees.+Tree-wise+we+measure+yield%2C+tree+vigour%2C+disease+and+aphid+damage%2C+standard+fruit+quality%2C+storage+ability.+Each+year+we+organize+several+sensorial+blind+tests+with+larger+consumer+groups.+Some+advanced+cultivars+are+also+under+On-Farm+observation+at+5+sites+in+organic+orchards+of+all+important+growing+regions+of+Switzerland.+Trials+with+pears+have+started+in+2005+only+(10+cultivars+and+selections%2C+planted+at+FiBL+and+Aubonne%2C+each+with+two+blocks+of+5+trees+per+cultivar).+%0D%0A%0D%0AResults%2C+conclusion%2C+state+of+the+art%3A+%0D%0ARegularly+we+publish+a+list+of+recommended+apple+cultivars+suited+for+organic+production+and+professional+retail.+New+concepts+for+marketing+and+variety+introduction+could+be+derived+from+these+activities+(e.g.+the+%C3%A2%C2%80%C2%9CTaste-Group+Concept%C3%A2%C2%80%C2%9D%3B+or+the+%C3%A2%C2%80%C2%9CVariety+Team%C3%A2%C2%80%C2%9D+concept).+Thus%2C+the+project+had+and+still+has+a+clear+and+very+direct+influence+on+production+and+marketing+of+the+organic+apple+branch+in+Switzerland.+Pear+trials+were+started+in+2005.%0D%0A&rft.type=Projektbeschreibung+mit+Link+zur+Projekthomepage&rft.type=NonPeerReviewed&rft.identifier=%7BProjekt%7D+Organic+Pipfruit%3A+Sortenpr%C3%83%C2%BCfung+Kernobst+f%C3%83%C2%BCr+den+biologischen+Anbau.+[Testing+of+pipfruit+cultivars+for+organic+production.]+Laufzeit%3A+1994+-+2007.+Projekt+Projektleiter%2Fin%3A+Weibel%2C+Franco+und+Suter%2C+Francisco%2C+Research+Institute+of+Organic+Agriculture+(FiBL)%2C+CH-5070+Frick.+Weitere+Informationen+online+unter%3A+%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%2F6291%2F