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Effects Of Mars Global Simulant (Mgs-1) On Growth And Physiology Of Sweet Potato: A Space Model Plant, Karthik Chinnannan, Prapooja Somagattu, Hyndavi Yammanuru, Padma Nimmakayala, Manohar Chakrabarti, Umesh K. Reddy
Effects Of Mars Global Simulant (Mgs-1) On Growth And Physiology Of Sweet Potato: A Space Model Plant, Karthik Chinnannan, Prapooja Somagattu, Hyndavi Yammanuru, Padma Nimmakayala, Manohar Chakrabarti, Umesh K. Reddy
School of Integrative Biological and Chemical Sciences Faculty Publications and Presentations
Growing food autonomously on Mars is challenging due to the Martian soil's low nutrient content and high salinity. Understanding how plants adapt and evaluating their nutritional attributes are pivotal for sustained Mars missions. This research delves into the regeneration, stress tolerance, and dietary metrics of sweet potato (Ipomoea batatas) across different Mars Global Simulant (MGS-1) concentrations (0, 25, 50, and 75%). In our greenhouse experiment, 75% MGS-1 concentration significantly inhibited sweet potato growth, storage root biomass, and chlorophyll content. This concentration also elevated the plant tissues' H2O2, proline, and ascorbic acid levels. Higher MGS-1 exposures (50 and 75%) …