?url_ver=Z39.88-2004&rft_id=10.1007%2Fs10681-014-1162-9&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Forgprints.org%2Fid%2Feprint%2F28262%2F&rft.title=Differences+in+grain%2Fstraw+ratio%2C+protein+content+and+yield+in+landraces+and+modern+varieties+of+different+wheat+species+under+organic+farming.&rft.creator=Konvalina%2C+Petr&rft.creator=Stehno%2C+Zdenek&rft.creator=Capouchova%2C+Ivana&rft.creator=Zechner%2C+Elisabeth&rft.creator=Berger%2C+Sandra&rft.creator=Grausgruber%2C+Heinrich&rft.creator=Janovska%2C+Dagmar&rft.creator=Moudry+%2C+Jan+&rft.subject=+Farming+Systems&rft.subject=+Breeding%2C+genetics+and+propagation&rft.description=Hulled+wheat+species+(einkorn%2C+emmer%2C+spelt)+are+presumed+to+be+an+alternative+to+bread+wheat+in+organic+agriculture+since+the+yield+penalty+is+less+pronounced+under+organic+farming+and+generally+higher+prices+can+be+achieved+for+specialty+grains.+The+present+study+analyzed+differences+between+wheat+species+with+respect+to+biomass+production%2C+harvest+index%2C+grain+yield+and+protein+content.+Spring+hulled+wheat+genetic+resources+and+bread+wheat+check+cultivars+were+grown+in+organic+field+trials+in+the+Czech+Republic+and+Austria+between+2010+and+2012.+Generally%2C+hulled+wheat+species+were+inferior+in+grain+yield+and+distribution+of+assimilates+to+the+grain+compared+to+modern+bread+wheat.+Biomass+production+of+some+emmer+and+spelt+landraces+was+similar+to+bread+wheat.+A+higher+protein+content+(%2B3%E2%80%936+%25)+was+observed+for+spelt%2C+however%2C+considering+protein+yield+the+differences+between+spelt+and+bread+wheat+became+less+pronounced.+With+respect+to+the+recent+high+market+demand+for+spelt+and+the+absence+of+available+spring+grown+varieties+some+of+the+landraces+were+identified+as+valuable+resources+for+the+development+of+spring+spelt+varieties+suitable+for+organic+farming.&rft.date=2014&rft.type=Journal+paper&rft.type=NonPeerReviewed&rft.identifier=+++Konvalina%2C+Petr%3B+Stehno%2C+Zdenek%3B+Capouchova%2C+Ivana%3B+Zechner%2C+Elisabeth%3B+Berger%2C+Sandra%3B+Grausgruber%2C+Heinrich%3B+Janovska%2C+Dagmar+and+Moudry+%2C+Jan++++(2014)+Differences+in+grain%2Fstraw+ratio%2C+protein+content+and+yield+in+landraces+and+modern+varieties+of+different+wheat+species+under+organic+farming.+++Euphytica%2C+199+(1-2)%2C+pp.+31-40.++++++++&rft.relation=10.1007%2Fs10681-014-1162-9&rft.identifier=10.1007%2Fs10681-014-1162-9&rft.doi=10.1007%2Fs10681-014-1162-9