共 11 条
[2]
Gardner FE, 1939, P AM SOC HORTIC SCI, V37, P415
[3]
HOFFMAN MB, 1940, P AM SOC HORTIC SCI, V40, P35
[4]
La Rue CD, 1936, P NATL ACAD SCI USA, V22, P254
[5]
MACDANIELS LH, 1936, P AM SOC HORTIC SCI, V34, P122
[6]
MCCOWN M, 1939, P AM SOC HORTIC SCI, V36, P320
[7]
MYERS R. MAURICE, 1940, BOT GAZ, V102, P323, DOI 10.1086/334962
[10]
ZIMMERMAN P. W., 1941, CONTR BOYCE THOMPSON INST, V12, P1