Wheat turns lower, corn and soybeans also retreat Grain traders monitoring Russia news after aborted mutiny Weekend rains in Midwest aid crops, but drought persists .
(New throughout with updated prices, adds quote in paragraph 8,
changes byline, previous dateline PARIS/SINGAPORE) CHICAGO, June 1 (Reuters) - U.S. soybean and corn
futures rose on Thursday on worries about dryn. | 01:49pm