EFFECT OF STORAGE, HOT AIR-DRYING, HOT WATER AND NEMATICIDE SEED SOAKING TREATMENTS ON WHITE TIP NEMATODE, Apheienchoides besseyi SURVIVAL IN RICE SEEDS.

Document Type : Original Article

Authors

Department of Agricultural Zoology and Nematology, Faculty of Agriculture, Cairo University, Egypt.

Abstract

governorates (Benaira, Dakanl1a, Gtlarnla, Kafr EI-Shalkh and Sharkla),
Data Indicated that the number of nematodes Is reduced as seed age Increased, In
which it can survive for up to three years, Several warming t realments have been
evaluated to disinfect rice seeds contaminated with the white tip nematode, A.
besseyi. Hot water at 50°C tor 15 minutes and hot air·drying treatment at 70 °c for 24
hours achieved good and satisfied results In controlling Ihe rice n emalode without
affecting seed sprouting. Also, Ihe efficacy of disinfestation by soaking seeds in
different concentration levels of Cadusafos (Rugby 20%) or Oxamyl (Vydate 24%) for
24 hours was evaluated. Cadusafos was more effective than Oxamylln increasing the
percentage of nematode mortality. However, the nematicidal effect increased as
concentration increased. Cadusafos al2 00 and 400 ppm a nd Oxamyl at 4 00 ppm
showed maximum nematode mortality without damage on seed sprouting.

Keywords

Journal of Plant Protection and Pathology
Volume 29, Issue 4
April 2004
Pages 2127-2136

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