The first candidate to express interest in being a candidate of the PAN governor of Sonora in 2009 was the Federal Member exalcalde and Agua Prieta, David Figueroa Ortega, who publishes his aspiration since mid-2007, later made the announcement of their intentions senator Guillermo Padres Elias, after being frequently mentioned. On February 14 2008, Hermosillo exalcaldesa and Director of the National Institute for Adult Education, Maria Dolores del Rio, also expressed their intention to reach the PAN candidate for governor, and February 19 will be joined by local MP and coordinator of the PAN fraction in the Congress of Sonora, Florencio Diaz Armenta, to formally announce his intention to seek the nomination for governor by his party and leave the office of local MP. However, the July 16, 2008 David Figueroa Ortega announced the decline of their aspirations to be a candidate for governor and his withdrawal from the contest, and acceptance of the appointment of Consul General of Mexico in San Jose, California that has made him the president Felipe Calder n Hinojosa, subject to approval in the Senate. Given this, the July 21, David Figueroa announcement supports Maria Dolores Rio in her attempt to be a candidate for governor of Sonora.
On January 31, 2009 registration is the first candidate for nomination for governor, Florencio Diaz Armenta, with the backing of national exlider PAN, Manuel Espino Barrientos, the following day. February 1, pre-registration is, Maria Dolores del Rio, former Municipal Hermosillo .
Sunday 1 March took place the first election day to elect the candidate of the PAN in 16 municipalities of central Sonora, the following outcomes:
35.00
Florencio Diaz Armenta
477
10.00
Parents William Elias
2.625
53.00
2.508
92.00
Null
134
2.00
210
8.00
Overall
4.945
100.00
2.718
100.00
Source: Partido Accion Nacional, San Luis Potosi.
Given the results, the following day, March 2, Maria Dolores del Rio announced its decline to continue to seek the nomination, but not to join any of the other candidate, a few hours later, the third candidate, Florencio Diaz Armenta , also announced its decline being in this way as virtual candidate Guillermo Elias Parents .