[1] Chinese Acad Agr Sci, Key Lab Hort Crop Biol & Germplasm Innovat, Minist Agr, Inst Vegetables & Flowers, Beijing 100081, Peoples R China
[2] Cornell Univ, Boyce Thompson Inst Plant Res, Ithaca, NY 14853 USA
[3] Beijing Acad Agr & Forestry Sci, Natl Engn Res Ctr Vegetables, Beijing 100097, Peoples R China
[4] USDA ARS, Robert W Holley Ctr Agr & Hlth, Ithaca, NY 14853 USA