Abstract
The experiment was carried out to study the effect of genotypes and growth regulators on root induction and shoot regeneration of brinjal (Solanum melongena) genotypes. Leaf segments of three varieties of Solanum were cultured on MS medium with different concentrations and combinations of plant growth regulators. Among the tested genotypes, Protab showed highest percentage of shoot regeneration (65.67%). Early and maximum rate of regeneration was found in MS + 1 mg/L NAA (naphthalene acetic acid) + 0.1 mg/LBAP (6-benzylamino purine) for all the genotypes. The highest number of roots per shoot was counted in Protab (73.33%) on ½MS + 2 mg/L IBA (indole butyric acid) + 0.4 mg/L BAP. Based on the overall performance, the variety Protab appeared as the best for shoot and root formation and ultimately successful regeneration of plants.Res. Agric., Livest. Fish.2(1): 43-51, April 2015
Highlights
Brinjal (Solanum melongena L.), belongs to the family Solanaceae, is one of the most popular, palatable and nutritious vegetable crop in Bangladesh
Brinjal can be cultivated as a year round crop but the productivity and quality of this crop suffer due to its susceptibility to a number of diseases and insect pests (Sadilova et al, 2006)
The main effect of genotypes, phyto-hormones and combination of these two in brinjal was found to be significant on shoot and root regeneration (Table 1-6)
Summary
Brinjal (Solanum melongena L.), belongs to the family Solanaceae, is one of the most popular, palatable and nutritious vegetable crop in Bangladesh. It is thought to be originated in Indian sub-continent with the secondary centre of origin in China (Zeven and Zhukovsky, 1975).The area of brinjal cultivation in Bangladesh is 45.57 thousand hectare and production is 3.40 lac metric tons (BBS, 2011). Brinjal is an economically important vegetable comprising an imperative supply of dietary protein, carbohydrate, vitamins and minerals for the vegetarian population of developing countries. It has higher calorie, iron, phosphorus and riboflavin than tomato (Ray et al, 2011). Brinjal can be cultivated as a year round crop but the productivity and quality of this crop suffer due to its susceptibility to a number of diseases and insect pests (Sadilova et al, 2006)
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