by Johnson, R. S, Reighard, G. L, Ouellette, D, Beckman, T. G, Convea, E. D, Day, K. R, Fachinello, J, Fallahi, E, Newell, M. J, Wolfe, D, Robinson, T.L
Published in Acta horticulturae (01.01.2015)

by Coneva, E.D, Cline, J.A
Published in HortScience (01.08.2006)