?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=The+Potential+Use+of+Organically+Grown+Dye+Plants+in+the+Organic+Textile+Industry%3A+Experiences+and+Results+on+Cultivation+and+Yields+of+Dyers+Chamomile+(Anthemis+tinctoria+L.)%2C+Dyers+Knotweed+(Polygonum+tinctorium+Ait.)+and+Weld+(Reseda+luteola+L.)&rft.creator=Hartl%2C+A.&rft.creator=Vogl%2C+C.R.&rft.subject=+Crop+husbandry&rft.description=The+organic+cultivation+of+dye+plants+for+the+certified+natural+textiles+industry+is+an+emerging+and+promising+sector+of+organic+farming.+In+1999+a+field+trial+was+done+with+different+provenances+of+Dyer%C3%A2%C2%80%C2%99s+Chamomile+(Anthemis+tinctoria+L.)%2C+Dyer%C3%A2%C2%80%C2%99s+Knotweed+Polygonum+tinctorium+Ait.)%2C+and+Weld+(Reseda+luteola+L.)+on+two+organic+farms+in+Lower+Austria.+Yields%2C+dyestuff+content%2C+and+quality+parameters+were+analyzed.+Dry+matter+yields+of+Weld+ranged+between+0.7+and+2.7+t+ha-1%2C+of+Dyer%C3%A2%C2%80%C2%99s+Chamomile+(flower+heads)+between+1.1+and+1.8+t+ha-1.+Significant+differences+were+found+between+seed+Weld+provenances+as+well+as+between+those+of+Dyer%C3%A2%C2%80%C2%99s+Chamomile.+The+total+leaf+dry+matter+of+Dyer%C3%A2%C2%80%C2%99s+Knotweed+(2+cuts)+ranged+at+both+sites+on+average+3.1+t+ha-1.+Seed+provenances+did+not+show+differences.+The+total+flavonoid+content+of+Weld+ranged+between+1.53+and+4.00%25%2C+of+Dyer%C3%A2%C2%80%C2%99s+Chamomile+between+0.84+and+1.5%25.+The+content+of+indican+in+Dyer%C3%A2%C2%80%C2%99s+Knotweed+ranged+between+0.50+and+1.45%25+of+leaf+dry+matter%2C+the+calculated+theoretical+content+of+indigo+ranged+between+0.22+and+0.64%25+of+leaf+dry+matter.+The+general+use+fastness+properties+differ+according+to+species+and+provenance.+Both+high+and+low+values+were+achieved.+The+data+on+the+cultivation+of+dye+plants+in+organic+farming+show+promising+results.+Research+should+address+improvement+in+yields+and+quality%2C+development+of+dyestuff+extracts%2C+and+optimization+of+dyeing+methods.+Research+on+dye+plants+needs+a+systemic+look+at+the+whole+chain+including+producers%2C+processors%2C+trade%2C%0D%0Aand+consumers.&rft.date=2003&rft.type=Journal+paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F6930%2F1%2FJSA23_2_2003_dye_plants.pdf&rft.identifier=Hartl%2C+A.+and+Vogl%2C+C.R.+(2003)+The+Potential+Use+of+Organically+Grown+Dye+Plants+in+the+Organic+Textile+Industry%3A+Experiences+and+Results+on+Cultivation+and+Yields+of+Dyers+Chamomile+(Anthemis+tinctoria+L.)%2C+Dyers+Knotweed+(Polygonum+tinctorium+Ait.)+and+Weld+(Reseda+luteola+L.).+Journal+of+Sustainable+Agriculture%2C+23+(2)%2C+pp.+17-40.&rft.relation=http%3A%2F%2Forgprints.org%2F6930%2F