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Effect of sodium azide induction on morphological traits of shombo and tatase (Capsicum annuum L.)
Abstract
The present study was carried out to determine the mutagenic effect of sodium azide on the morphological features of Shombo and Tatase (Capsicum annuum L.) in M1 generation. Seeds were pre-soaked in distilled water for 6hrs and later treated with different concentrations (0.00, 0.01, 0.02, 0.03 and 0.04 W/V%) of sodium azide mutagen for 6hrs. The experiment was planted using a 2×5 factorial in completely randomized design (CRD), replicated three times. Observation on the growth and fruit parameters of M1 mutants of Shombo and Tatase showed significant variations (P ≤ 0.05) on the number of leaves, total number of branches, internode length, fruit length, fruit diameter, number of seeds, pericarp thickness, fruit stalk length and fruit weight. Most of the parameters especially plant height decreased with increase in concentrations of sodium azide. Positive effect of the sodium azide induction on Tatase was observed on the fruit diameter at 0.04% and number of seeds at 0.02%. The results of this study showed that sodium azide had significant effect on plant height, fruit diameter and number of seeds. Therefore, induced mutation through sodium azide would be efficient in creating genetic variability of desirable traits in pepper without compromising its agronomic characteristics.
