Identification of Quantitative Trait Loci (QTLs) Conferring Dry Matter Content and Starch Content in Cassava (<i>Manihot esculenta</i> Crantz)

Cassava tubers are an excellent source of carbohydrate and a competitive starch most traded internationally. It is highly desirable raw material for food industrial purpose due to its high dietary content. The economic value cassava products lies in the DMC (dry matter content). roots contain up 80-90 per cent by dry weight 80 starch. Increasing world population, limited land area, changing climatic condition scarcity demanded need improved Yield related both tuber volume thus can be breeding. Thus QTL mapping very much relevant understand genetic effects controlling traits. current study focused on SC (starch content) identify favourite alleles using Windows cartographer version 2.5. Single marker analysis (SMA) identified seven associated with eight SC. Using interval mapping, single was chrom21 flanked SSRY110b SSRY182b. On other hand, five QTLs were simple (SIM) chrom17 R2 12% at LOD 5 composite (CIM). exact position interactions studied MIM effect found over-dominance. But case SC, interaction additive x epistatic interaction.