Assessment of genetic diversity of sugarcane (Saccharum spp.) genotypes through biochemical approach
2022
Khurshid, Mariam
Sugarcane is very important industrial and cash crop in Pakistan and in many countries of the world. It is worldwide an essential source of commercial sugar accounting for nearly 75 per cent of the world sugar production. Biochemical screening is first step in breeding to select superior genotypes in further breeding program. The experimental investigations were carried out on 10 different genotypes of sugarcane during consecutive years i.e., 2010-2012 to determine their genetic diversity by biochemical approach and SDS-PAGE analysis. The data on biochemical parameters i.e. reducing and non-reducing sugar, protein content, vitamin C, iron content, phosphorus content, calcium content and magnesium content in juice samples of various genotypes was recorded to assess biochemical composition. The genotypes SPF-213, LHO83-153, CP-72-2086 performed better than other ones for reducing and non-reducing sugar, protein content, vitamin C and minerals content. However, on the basis of overall biochemical constituents CP-72-2086 was most efficient genotype. Electrophoretic mobility through SDS-PAGE was revealed clear genetic diversity among genotypes. As genotype S-06-US-469 and S-06-US-312 which showed unique pattern from common ancestors. These diverse genotypes could be successfully utilized in hybridization for improvement of crop.
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