共 22 条
- [1] ATKINSON J. D., 1952, NEW ZEALAND JOUR SCI AND TECHNOL SER A, V34, P277
- [2] BROWN DILLON S., 1957, PROC AMER SOC HORT SCI, V69, P158
- [4] FILINGER G. A., 1941, PROC AMER SOC HORT SCI, V39, P85
- [5] GLERUM C, 1969, FOREST SCI, V15, P85
- [7] HATCH AH, 1969, J AM SOC HORTIC SCI, V94, P304
- [9] KETCHIE DO, 1973, J AM SOC HORTIC SCI, V98, P257
- [10] LEVITT J, 1956, AGRONOMY, V6