Yes, Monsanto has a way of inserting a specific gene into the DNA of crops to make them drought tolerant. Currently, Monsanto is testing drought tolerant maize in South Africa. Additionally, the Australian government is testing a drought tolerant wheat species to curb crop lost during bone-dry Australian growing season. Estimates dictate that drought tolerant crops will be in mass production in no longer than 4 years.
Breeding for drought tolerance is also a possibility. This is possible with open pollinated heirloom varieties. Many times, it entails allowing a segment of the crop to produce under partial or full drought stress. The seeds are then saved from the plants that produce the best fruit. It is kind of a combination of natural and artificial selection. Though it may take longer than genetic modification, it will result in a more viable, healthy, and natural offspring. This breeding will become especially important because of climate change.
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