WINNIPEG: ICE canola futures tumbled on Thursday for the fourth straight day, dragged lower with soy on worries about the US-China trade war.

* US President Donald Trump said he would impose an additional 10% tariff on $300 billion worth of Chinese imports starting Sept. 1.

* November canola lost $1.50 to $442 per tonne.

* The Grain World crop tour estimated an average Canadian canola yield of 39.9 bushels per acre in 2019-20, up slightly from 39.8 bushels a year earlier.

* Most Saskatchewan crops are in fair to good condition, the government of the Canadian province said.

* November-January canola spread traded 1,209 times.

* Chicago August soybeans fell as the market shrugged off a small US soybean sale to China.

* Paris Matif November rapeseed futures edged higher and Malaysian October palm oil futures dipped.

* The Canadian dollar weakened to a six-week low against its US counterpart as oil prices fell and after hawkish comments by the Federal Reserve the previous day boosted the greenback.