Variability among Indian Indigo accessions in Kerala
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Authors
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Neema Mohammad
Central Plantation Crop Research Institute
http://orcid.org/0000-0003-0725-2027
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Reghunath B.R.
Kerala Agricultural University
Keywords:
Indigofera tinctoria, morphology, selection index, variability, yield attributes, medicinal plant, dye plantAbstract
Abstract: Twenty accessions of Indian Indigo (Indigofera tinctoria L.) collected from different parts of Kerala state were assessed for their variability. The study was carried out at College of Agriculture, Vellayani, Kerala. The morphological traits, flowering and seeding behavior, yield and yield attributes and root nodule characteristics were studied. Analysis of variance revealed substantial variations among the accessions. IT 13, accession from Thiruvananthapuram followed by IT 11 (Kollam) and IT 9 (Thiruvananthapuram) were found to be superior based on selection indices and morphological characterization. These accessions exhibited high yield of leaf, shoot and root. The study revealed an insight into the variations among Indigofera tinctoria accessions and indicated the relative superiority of certain accessions that can further be multiplied and released as high yielding varieties.
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