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Inhibition of development of Meloidogyne incognita by root and foliar applications of oxamyl
Author(s) -
WRIGHT DENIS J.,
WOMACK NICHOLAS
Publication year - 1981
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.1744-7348.1981.tb05115.x
Subject(s) - oxamyl , biology , meloidogyne incognita , terra incognita , nematode , nematology , root knot nematode , horticulture , pesticide , agronomy , ecology
SUMMARY Oxamyl (2.5 μg cm ‐3 sand) applied to the roots of cucumber seedlings significantly reduced the number of vermiform second stage juveniles of Meloidogyne incognita which developed into swollen forms for at least 30 days. However, when cucumber seedlings containing nematodes were removed from oxamyl‐treated sand 10 days after the pesticide was applied and placed in clean sand a large proportion of the juveniles had become swollen after a further 18 days. This suggested the effect of oxamyl on nematode development was reversible. A single foliar application of oxamyl (25–100 μg) in distilled water was also found to significantly reduce development of second stage juveniles to saccate forms However, the use of various adjuvants with a threshold foliar treatment (25 μg oxamyl) failed to significantly improve its activity.