Details of this species in Louisiana Status: Alien Invasiveness: Invasive Occurrence: Reported Source: USDA, NRCS, 2004 Arrival Date: 1927 Introduction: Species Notes for this Location: Strahan et al. (2000b) states that, " The weed was introduced into the United States at Miami, FL (Millhollon 1965 ), and was first observed in Louisiana in 1927 growing along a train track near Ruth, LA, in St. Martin Parish (county) (Millhollon 1975 )." Management Notes for this Location:
Impacts: Competition: Strahan et al (2000a) state that, "R. cochinchinensis is highly competitive with Z. mays in Louisiana and, if allowed to compete all season, can reduce Z. mays yields as much as 38%." Strahan et al (2000a) further state that, "This weed has been declared noxious by Federal law and is commonly referred to as raoul grass in south Louisiana. It was first observed in Louisiana in 1927 near Ruth, St. Martin Parish (Millhollon 1975 )." Last Modified: 10/06/2005 8:59:17 a.m.
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