EVALUATION OF WILD SPECIES OF LENTIL FOR AGRO-MORPHOLOGICAL TRAITS

DOI: 10.5958/j.0976-0571.37.1.002    | Article Id: LR-178 | Page : 11-18
Citation :- EVALUATION OF WILD SPECIES OF LENTIL FOR AGRO-MORPHOLOGICAL TRAITS.Legume Research-An International Journal.2014.(37):11-18
Aditya Pratap*, Jitendra Kumar and Shiv Kumar1 adityapratapgarg@gmail.com
Address : Crop Improvement Division, Indian Institute of Pulses Research, Kanpur-208 024, India

Abstract

Most of the existing varieties of lentil (Lens culinaris  ssp. culinaris) have been developed mainly through intraspecific hybridization and pureline selection  leading to a narrow genetic base in cultivated populations. This makes them vulnerable to a number of biotic and abiotic stresses besides reducing their genetic potential due to lesser hidden variability. Distant hybridization involving wild accessions increases genetic variability and also helps in introgression of desirable genes rendering cultivated species more usable. Keeping this in view, wild accessions of lentil procured from ICARDA, Aleppo, Syria were established and evaluated under local conditions at IIPR, Kanpur. These comprised 88 accessions from Lens  nigricans, L. culinaris  ssp. odemensis, L. culinaris  ssp. orientalis, L. culinaris ssp. tomentosus, L. ervoides, L. lamottei and unknown Lens spp. The results showed significant genetic variation among the wild accessions for all characters except cotyledon colour. PCA analysis of the morphological data resulted in clustering of 88 wild accessions into three groups and distinct position of each genotype was observed within each group. The first three most informative components in PCA analysis individually accounted for 89.35, 4.38 and 2.3% of total variation, respectively and collectively these explained about 95% of the total variability.  While more traits and multilocation data need to be considered for getting more reliable results, in general L. ervoides was observed to possess useful traits like plant height, internode length and pods/cluster and therefore could be utilized for genetic improvement of cultivated lentil.

Keywords

Distant hybridization Lentil L. ervoides PCA Wild accessions.

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