Comments from officials at IMF/World Bank meetings

WASHINGTON (Reuters) - The following are quotes from world finance officials attending spring meetings of the International Monetary Fund and World Bank in Washington.

Group of Seven finance ministers and central bankers, meeting ahead of the weekend IMF/World Bank meetings, on Friday said economic activity should begin to recover later this year. However, they said the outlook remained weak and there was a risk that the global economy may still worsen.

BRAZILIAN FINANCE MINISTER GUIDO MANTEGA ON GLOBAL

FINANCIAL SYSTEM:

"We need to increase our efforts in fiscal and monetary policies but, above all, we need to clean up the global financial system. This is a key issue."

"If the United States and other countries with fragile banks do not clean up their financial systems, this crisis will last much longer," he added.

FRENCH ECONOMY MINISTER CHRISTINE LAGARDE ON HER BIGGEST

CONCERNS ABOUT ECONOMIC RECOVERY

"Implementation, as always. I think we have the right techniques, the right tools, the right commitments, the right aspirations that growth is restored and the financial stability is back, but we need to just go about implementing and that is the collective resolve that we reaffirmed this morning. We just need to implement, that's really key."