Biochemical and Molecular Evaluation of Drought Tolerance promising sugarcane (Saccharum spp.) (original) (raw)

Background: (Saccharum. spp L.) Is an economic crop cultivated in the tropical and subtropical zones. Sugarcane crop faces all types of environmental constraints due to its long life cycle period. Among various stresses, drought creates major obstacle to sugarcane production. Sugarcane plant responds to such stress by activating various biochemical and molecular attributes. Therefore, this experiment was undertaken to elucidate a change in biochemical and differential expression profile of genes associated with drought under greenhouse condition by using ten sugarcane genotypes (GT.54 − 9, G.2009-11, K.81113, M.35–157, G.2003-49, G.84 − 47, G.2000-3, G.99–103, G.2004-27 and G.2003-47). Stress was imposed 120 days after planting by three stressed levels of water stress (87.5, 75 and 62.5%) according to Reference evapotranspiration (ET0). Results: The obtained results showed significant differences among productivity, biochemical and molecular responses in all genotypes. However, drou...

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