Scientists have developed heat-tolerant rice varieties to mitigate the severe impact of rising temperatures on rice production in Bangladesh. This innovation targets the disruption of the grain-filling process caused by high night temperatures, which results in significant yield losses. The project, funded by Germany’s Federal Ministry for Economic Cooperation and Development and led by the International Rice Research Institute (IRRI) in collaboration with the Bangladesh Rice Research Institute (BRRI), identified rice varieties that thrive in both high day and night temperatures. Trials conducted in various regions of Bangladesh showed that these new rice lines could adapt to temperature ranges of 28°C to 43°C and 22°C to 32°C, yielding 1.5 to 2 tonnes more per hectare compared to traditional varieties. This development is crucial for sustaining rice production, enhancing food security, and improving the livelihoods of small farmers amid the challenges posed by climate change.
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