Invasive Species Compendium

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Abstract Full Text

Emergence of teosinte in crops different to maize.


This work describes the changes observed in emergence of the invasive weed Zea mays spp. mexicana ad. int. (teosinte) in plots sown with other crops than maize to better control this species. 13 plots have been visited from June 2015 to September 2016. Most of the plots were sown with alfalfa in June 2015 after cropping barley or in September after peas. A fast reduction in the emergence of teosinte plants has been observed in time especially when peas were included in the rotation and no adult plants were detected inside the alfalfa crop as they are eliminated by mowing. However, the presence of individual plants next to irrigation structures and in field edges which are not always eliminated are a concern and preventive measures need to be taken to avoid re-sowing of the weed.