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Studies on the feeding of Sitona lineatus L. (Coleoptera: Curculionidae) on white clover ( Trifolium repens L.) seedlings
Author(s) -
MURRAY P. J.,
CLEMENTS R. O.
Publication year - 1992
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1992.tb03435.x
Subject(s) - biology , trifolium repens , curculionidae , weevil , agronomy , seedling , pest analysis , population , botany , demography , sociology
Summary Measurements of feeding damage by sitona weevil ( Sitona lineatus L.) adults on differing numbers of seedlings of white clover ( Trifolium repens L.) at the first and fourth trifoliate leaf stage were made in the glasshouse at 20°C. S. lineatus consumed more of the trifoliate component of the seedling. Sitona adults caused significant yield reduction at all levels of plant population. Total clover consumption increased with increasing size of sitona population, but consumption per adult weevil was reduced.