[1] Purdue Univ, Dept Hort, W Lafayette, IN 47907 USA
[2] Nanjing Agr Univ, Coll Resources & Environm Sci, State Key Lab Crop Genet & Germplasm Enhancement, Nanjing 210095, Jiangsu, Peoples R China
[3] Arizona State Univ, Sch Life Sci, Tempe, AZ 85287 USA
[4] Univ Maryland, Dept Environm Sci & Technol, College Pk, MD 20742 USA
[5] Univ Maryland, Dept Plant Sci & Landscape Architecture, College Pk, MD 20742 USA