Silverleaf nightshade infests 60 pct of Syria farmland There is a risk of weed spread to Lebanon, Jordan MILAN, May 24 (Reuters) - An invasive alien weed, silverleaf nightshade, is theatening cotton ...

LONDON (Dow Jones)--Food harvests in Iraq and Syria are at risk from infestations of an invasive alien weed, the United Nations' food body said Tuesday, warning that the deadly plant could spread to ...