Maize growth limitation in subtropical regions

Picture copyright Casali et al.

Maize is increasingly being adopted by local farmers in northern Argentina, but yields are low. Scientists Casali et al. showed that rainfall at the end of summer was the primary determinant of maize yield. They reveal that tropical hybrids were able to tolerate high temperatures better than temperate hybrids. However, temperate hybrids performed better than tropical hybrids under conditions of water scarcity.

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