COMMON RAGWEED ECOTYPES

[1] EFFECTS OF A RAGWEED CONTROL PROGRAM ON RAGWEED POLLEN COUNTS [J]. JOURNAL OF ALLERGY, 1959, 30 (04): : 287 - 298

[2] Durham O, 1931, J ALLERGY, V3, P58

[3] FEDERER WT, 1955, EXPERIMENTAL DESIGN

[4] Fernald M.L., 1950, GRAYS MANUAL BOT, V8th

[5] GARNER WW, 1920, J AGR RES, V18, P533

[6] GLEASON HA, 1963, BRITTON BROWN ILLUST, V3

[7] MUENSCHER WC, 1960, WEEDS

[8] NOTES ON RAGWEEDS OF SOUTH AMERICA WITH DESCRIPTION OF 2 NEW SPECIES - AMBROSIA PANNOSA AND A. PARVIFOLIA (COMPOSITAE) [J]. BRITTONIA, 1966, 18 (01) : 28 - &

[9] Salisbury F. B., 1963, FLOWERING PROCESS

[10] SOLOMON WILLIAM R., 1967, J AIR POLLUT CONTR, V17, P656

[1] EFFECTS OF A RAGWEED CONTROL PROGRAM ON RAGWEED POLLEN COUNTS [J]. JOURNAL OF ALLERGY, 1959, 30 (04): : 287 - 298

[2] Durham O, 1931, J ALLERGY, V3, P58

[3] FEDERER WT, 1955, EXPERIMENTAL DESIGN

[4] Fernald M.L., 1950, GRAYS MANUAL BOT, V8th

[5] GARNER WW, 1920, J AGR RES, V18, P533

[6] GLEASON HA, 1963, BRITTON BROWN ILLUST, V3

[7] MUENSCHER WC, 1960, WEEDS

[8] NOTES ON RAGWEEDS OF SOUTH AMERICA WITH DESCRIPTION OF 2 NEW SPECIES - AMBROSIA PANNOSA AND A. PARVIFOLIA (COMPOSITAE) [J]. BRITTONIA, 1966, 18 (01) : 28 - &

[9] Salisbury F. B., 1963, FLOWERING PROCESS

[10] SOLOMON WILLIAM R., 1967, J AIR POLLUT CONTR, V17, P656