%0 Journal Article %T Redes de innovaci¨®n en el sistema productivo fresa en Zamora, Michoac¨¢n %A Zaraz¨²a-Escobar %A Jos¨¦ Alberto %A Almaguer-Vargas %A Gustavo %A M¨¢rquez-Berber %A Sergio Roberto %J Revista Chapingo. Serie horticultura %D 2011 %I Universidad Aut¨®noma Chapingo %X the objectives of this work were to characterize strawberry growers in zamora, michoac¨¢n, mexico, and to identify factors limiting production with the methodology of innovation networks. the state of michoac¨¢n is the largest strawberry producer in mexico, but production is extensive and disorganized. the productive system network of strawberry has a large number of nodes, but dispersion is high. this fact is reflected in the scarce number of links (265), a low density and an elevated standard deviation (12.47 %). the centralization index is 18.36 %, in part because decision-making and access to system information in the web are concentrated in only two actors; one of them is a final buyer and the other is a local lender. the strawberry agribusinessmen from michoac¨¢n interviewed had a mean yield of 24.44 t¡¤ha-1. their per hectare income was $ 9,208 uscy, but with a cost of production of $11,867 uscy and an index of innovation adoption of 55.56 %. the adoption of organizational innovations is limited. all these factors originate low macro competitiveness. it is necessary to enhance innovation to increase the competitiveness. %K strawberry productivity %K profitability %K index of centralization %K innovation adoption. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S1027-152X2011000100009&lng=en&nrm=iso&tlng=en