共 14 条
- [1] ASCHERSON P, 1906, SYNOPSIS MITTELEUR 2, V6
- [2] ATWOOD SANFORD S., 1940, JOUR AMER SOC AGRON, V32, P955
- [4] ATWOOD SS, 1953, CORNELL U MEMOIR, V319, P1
- [5] BREWBAKER JL, 1952, GENETICS, V37, P568
- [6] COLCHICINE INDUCTION OF TETRAPLOIDS IN TRIFOLIUM SPECIES [J]. AGRONOMY JOURNAL, 1952, 44 (11) : 592 - 594
- [7] BREWBAKER JL, 1952, THESIS CORNELL U
- [8] GURAVICH DA, 1949, THESIS U WISCONSIN
- [9] HEGI G, 1925, ILLUSTRIERTE FLORA 3, V4
- [10] KEIM WF, 1953, IN PRESS AGRON J