共 8 条
[1]
ECOLOGY OF PIGWEEDS (AMARANTHUS) IN ONTARIO .1. INTERSPECIFIC AND INTRASPECIFIC VARIATION IN SEED-GERMINATION AMONG LOCAL COLLECTIONS OF AMARANTHUS-POWELLII AND AMARANTHUS-RETROFLEXUS
[J].
CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE,
1975, 53 (13)
:1276-1284
[2]
FROST RA, 1971, THESIS U W ONTARIO L
[4]
McWilliams E.L., 1966, THESIS IOWA STATE U
[5]
SENESAC A F, 1981, Proceedings of the Northeastern Weed Science Society, V35, P98
[8]
WEAVER SE, 1980, PIGWEED CONTROL POST, P389