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Chemical control of beet cyst‐nematode, Heterodera schachtii , in some peaty loam soils
Author(s) -
WHITEHEAD A. G.,
TITE D. J.,
FINCH P. H.,
FRASER JANET E.,
FRENCH EILEEN M.
Publication year - 1979
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.1744-7348.1979.tb02959.x
Subject(s) - aldicarb , heterodera schachtii , oxamyl , biology , sugar beet , loam , agronomy , nematode , potato cyst nematode , soil water , horticulture , pesticide , ecology
SUMMARY In peaty loam soils, aldicarb or oxamyl mixed with the top 15 cm of the soil in spring before sugar beet seeds were sown, minimised invasion of the roots by larvae of the beet cyst‐nematode, Heterodera schachtii , so preventing injury to the seedlings, and greatly increased sugar yields in heavily infested soil. Small amounts of both compounds were often as effective as larger amounts. Nematode increase on sugar beet roots was slow. Aldicarb or oxamyl lessened nematode increase in four years out of five. Fumigating predetermined row positions with dichloropropene mixtures (D‐D, Telone) or incorporating aldicarb or methomyl shallowly in soil, later occupied by the roots of sugar beet seedlings, did not control the nematode, although sugar yields were sometimes increased.