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Association of Populations of Onychiurid Collembola with Damage to Sugar‐beet Seedlings
Author(s) -
BAKER A. N.,
DUNNING R. A.
Publication year - 1975
Publication title -
plant pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.928
H-Index - 85
eISSN - 1365-3059
pISSN - 0032-0862
DOI - 10.1111/j.1365-3059.1975.tb01882.x
Subject(s) - seedling , biology , cotyledon , sugar beet , sowing , sugar , agronomy , horticulture , botany , biochemistry
SUMMARY In eastern England Onychiurus armatus (Tullb.) and O. fimetarius (L.) were found associated with damaged sugar‐beet seedling roots soon after sowing in mid‐March, 1973, when the mean soil temperature ranged from 3 to l1°C; observations confirmed that O. armatus caused Similar damage to seedlings under laboratory Conditions. In field experiments Onychiurus spp. were always more numerous in the seedling root zone than between the seedling rows, but different seed spacings had no significant effect on the extent of aggregation around individual sugar‐beet seedlings in the cotyledon or early rough‐leaf stages.