High yielding indigo sources in native Isatis (Brassicaceae) taxa from Turkey

Indigo dye has a distinctive blue color and is one of the oldest known dyestuffs. In order to identify new Isatis genotypes for indigo production, 14 Isatis taxa collected from native area were grown under field conditions in Kahramanmaraş, Turkey. The effects of taxa and harvest times on leaf, indi...

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Bibliographic Details
Published in:	Genetic resources and crop evolution Vol. 63; no. 3; pp. 531 - 543
Main Authors:	Karaman, Şengül, Diraz, Emel, Çömlekçioğlu, Nazan, İlçim, Ahmet, Durdu, Hasan, Tansi, Sezen
Format:	Journal Article
Language:	English
Published:	Dordrecht Springer Netherlands 01-03-2016 Springer Nature B.V
Subjects:	Agriculture Biomedical and Life Sciences Culture Endangered plants Endemic plants Farming systems Genetic improvement Genotypes High-performance liquid chromatography Indigo Introduced species Isatis Leaves Life Sciences Liquid chromatography Plant Genetics and Genomics Plant Physiology Plant Sciences Plant Systematics/Taxonomy/Biogeography Research Article Taxa Wildlife conservation Turkey LC/MS Indican Natural indigo spp HPLC
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Summary:	Indigo dye has a distinctive blue color and is one of the oldest known dyestuffs. In order to identify new Isatis genotypes for indigo production, 14 Isatis taxa collected from native area were grown under field conditions in Kahramanmaraş, Turkey. The effects of taxa and harvest times on leaf, indigo and indican yield were analyzed and compared with culture species ( Isatis tinctoria and Isatis indigotica ) by using spectrophotometer and HPLC. High indigo yield (87.13 kg/ha) was obtained from Isatis constricta and I. tinctoria subsp. tomentolla (Mersin location) had high indican yield (12.25 mg/g) in fresh leaves. The present work identified high indigo yielding taxa that may be used for genetic improvement in order to re-introduce Isatis species in the agricultural systems of Mediterranean regions. Especially I. constricta can be evaluated in terms of higher indigo yield than the native and culture taxa. I. constricta is an endemic plant in endangered category. This situation reveals that the need for the conservation of the species. To the best of our knowledge, there is no previous study reported about indigo contents of the studied 11 Isatis spp. so far.
ISSN:	0925-9864 1573-5109
DOI:	10.1007/s10722-015-0269-8