Wild Mustard (Sinapis arvensis L.) and Corn Poppy (Papaver rhoeas L.) Competition with Four Pea Varieties Cultivated Following Conventional or Organic Farming Practices
Abstract
A field experiment was carried out to determine the effects of cultural system and pea varieties on weed flora, under Mediterranean conditions. The experiment was laid out in a split-plot design with four replicates having two main plots (conventional and organic farming system) and four sub-plots (pea varieties: Onward (commercial variety), Amorgos, Andros and Schinousa (local varieties). Our results indicate that the pea varieties varied in their ability to compete with weeds. The commercial variety Onward showed significantly lower competitive ability against weeds in both cultural systems. Finally, pendimethalin provided 66% and 70% control of Sinapis arvensis and Papaver rhoeas, respectively.
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