Citrus trees are a staple of many diets, but they thrive in some places more than others. A recent study by the University of California, Riverside, has looked into the genetic secrets of the “Valencia sweet” variety of citrus tree, and how it manages to tolerate drought and heat. The results of the study provide insight into how citrus trees may survive in the future as temperatures rise.

The Valencia sweet tree is well-known for its sweet flavor and ability to thrive in arid, warm climates. Researchers found that this variety of tree has several genetic differences that allow it to tolerate the harsh conditions of its environment. Its genes produce a unique set of proteins that protect it from drought and heat stress. In addition, the tree’s root system is particularly well-adapted to dry conditions, allowing it to take advantage of even the most limited water sources.

The study provides a better understanding of how citrus trees survive in extreme conditions, and how similar adaptations may be used to protect other citrus varieties in the future. With climate change already having an impact on the environment, it is possible that the genetic secrets of the Valencia sweet tree may be the key to saving other citrus varieties from extinction.

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source: Phys.org