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Germinating Seedlings Have High Thermotolerance, Which Is Lost after 2 Days of Growth.
Seeds germinated on plates at 22°C for 30 min, 30 hr, 36 hr, 48 hr, or 72 hr were exposed to 47°C for 2 hr (HS). Representative plants were photographed 5 days after heat stress. The arrow marks the time (48 hr of germination) after which all heat-shocked seedlings died.
