Abstract
The present study was conducted in 4 × 4 half diallel cross fashion using the genotypes named as NL-2002, NL-2006, Punjab Masoor-2009 and Markaz-2009 for the evaluation of gene action in the inheritance of economic traits of lentil by following the Griffing (1956) Method of analysis. Minirap 13.1 Copyright© 2000, Minitab inc. Method II, Model I was used for the analysis and gene action was computed by variance component analysis using Mixed Model with GLM (general linear model) procedure. The F1 direct crosses along with the parental genotypes were then evaluated by framing the experiment in RCBD in 3 replications. The data were recorded for the characters which are under the study are, plant height (cm), number of primary branches, number of secondary branches, number of pods per plant, number of seed per pod, seed yield per plant, biomass (gram), 100 seeds weight (gram), harvest index (%), yield per plant. The simple ANOVA for all the characters revealed that difference among genotypes was highly significant. As significant differences were present between the genotypes, it permitted subsequent analysis of the data. The Combining Ability (CA) results showed that value of variance for GCA (General Combining Ability) was significantly higher than that of those of the values of variance of SCA (Specific Combining Ability). Hence current results clearly depicted the role of additive type of gene action governing the characters under study.
Highlights
Lentil (Lens culinaris Medik.) is locally known as Masoor, having ploidy level 2n = 2x = 14 self-pollinated autogamous specie
The ANOVA (Analysis of variance) for plant height showed that mean squares for ten genotypes were highly significant (P ≤ 0.00), which in turn indicated that there were variations in the values for this characters (Table 3)
The parents were compared for GCA for plant height character (Table 5)
Summary
Owing to small size of floral structure, self fertility is dominated in lentil. It is the 2nd major Rabi pulse crop both in quality and quantity after chickpea. In Pakistan, its area of production is decreasing at the alarming rate, considerable reduction in its area from 62,500 hectare to 31,000 hectares and its production from 35,000 tons to 6000 tons [4], putting pressure to fulfill domestic requirements by its heavy import posing huge burden on the rational exchequer from last 10 years, that’s why market prices comparatively are eminent which lead to low/capita consumption. Genetic variance within the populations of crop species is a major concern of plant breeders and geneticists [5]. Quantitative attributes render an approximate of genetic diversity; breeders must have potential of selecting the accession that most probably possesses the trait of concern
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