(Adds information minister paras 7-9)

By Shapi Shacinda

LUSAKA, Aug 31 (Reuters) - Zambia's first lady has expressed concern over possible divisions in the ruling party and said her late husband wanted Finance Minister Ng'andu Magande to succeed him, a local newspaper reported on Sunday.

Sixteen candidates are jostling to succeed President Levy Mwanawasa who died in Paris on Aug. 19, and a presidential election will be held in November.

Analysts say the high number of presidential hopefuls may be a sign of deep divisions in the ruling Movement for Multiparty Democracy (MMD).

The Post newspaper quoted Mwanawasa's widow as saying that the late leader had told her shortly before he died that he preferred Magande to succeed him after his second and final five-year term in 2011, and that the cabinet was aware of his wishes.

"He (Mwanawasa) knew that he (Magande) had strengths and weaknesses, but the strengths outweighed the weaknesses," she told the Post in an interview.

Magande and Vice President Rupiah Banda, who is now acting president, have emerged as the strongest contenders.

Information minister Mike Mulongoti said Mwanawasa wanted an honest man who is a good manager, but his other criteria did not fit Magande.

"I do not think the President's description of his successor in our last cabinet meeting fits Mr Magande. He told us he wanted somebody he could be calling (a young man) and this description disqualifies Magande on account of age."

"Mr Magande is 61 years old and the President was going to be 60, so how could he start calling Mr Magande (a young man)," said Mulongoti, who has openly backed 72-year old Banda for the top post.

The MMD will select a candidate on Sept. 5, two days after Mwanawasa's funeral.

Mwanawasa had led Zambia since 2001 and was re-elected in 2006. His tough stance against corruption endeared him to donor countries and he was credited with turning the southern nation into one of Africa's economic success stories.

The MMD has been in power since 1991 when trade unionist Frederick Chiluba ousted Liberation hero Kenneth Kaunda. The party remains popular and has a majority in parliament.

Main opposition Patriotic Front leader Michael Sata, and Hakainde Hichilema of the United Party for National Development, the third biggest party in parliament, will also contest the presidential vote. (Editing by Phumza Macanda and Sami Aboudi)

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