Brazil: Embrapa lettuce cultivars demonstrate heat resistance

Published 2024년 6월 7일

Tridge summary

Researchers from Embrapa Hortaliças have identified two lettuce cultivars, BRS Leila and BRS Mediterrânea, that show exceptional performance in experiments simulating higher temperatures. These cultivars maintained healthy growth for 45 days at an average temperature of 30°C, a condition that challenged other varieties. The study aims to understand the impact of climate change on plant development and is part of a series of strategies to address changing climate conditions. The researchers plan to further explore the cultivars' tolerance to water stress and the use of bioinputs to promote crop development under adverse conditions.

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Original content

Researchers from Embrapa Hortaliças observed exceptional performance of the lettuce cultivars BRS Leila and BRS Mediterrânea in experiments simulating higher temperatures. While other varieties struggled under rising temperature conditions, these two cultivars stood out, maintaining healthy growth for 45 days at an average temperature of 30°C. The study aimed to understand how climate change can affect plant development, especially in relation to temperature. With projections of increasing global temperatures, understanding the response of crops to adverse conditions becomes essential to ensure food security in the future. According to the researchers, both BRS Leila and BRS Mediterrânea have characteristics that make them more resistant to heat. BRS Leila, for example, has a delay in flowering, allowing it to withstand higher temperatures for a longer period. BRS Mediterrânea has a shorter production cycle, reducing its exposure to heat and avoiding early flowering, which can ...

Source: Portal Do Agronegocio