0012-7353 0012-7353 S0012-73532018000300187 10.15446/dyna.v85n206.67262 Colombia Colombia 00 09 2018 00 09 2018 85 206 187 193

[1] 1999 68 68 197-319 [2] 1997 20 2-3 2-3 389-404 [3] 2007 41 8 8 2985-91 [4] 1998 23 2 2 199-203 [5] 2005 60 20 20 5415-24 [6] 2011 38 10 10 1709-18 [7] 2018 10 10 275-80 [8] 2018 192 192 335-46 [9] 2017 10 7 7 922-34 [10] Instituto Colombiano Agropecuario 2014 [11] 1990 4th [12] 2011 44 14 14 5539-53 [13] 2014 [14] 1969 [15] 2010 67 3 3 217-23 [16] 2017 18 3 3 416-23 [17] 2010 15 15 117-26 [18] 1983 15 1 1 25-35 [19] 2008 109 5 5 3018-23 [20] 1987 5 1 1 23-36 [21] 2012 [22] 2006