Effect of chemical and hot water treatment for control of the strawberry nematode, <I>Aphelenchoides fragariae</I>, on nematode-infested lily bulbs

概要

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Control measures against the so-called "dieback" disease (pronounced discolouration of leaves) caused by <I>Aphelenchoides fragariae</I> were investigated. Based on preliminary dipping tests of nematode-infested leaves, methomyl (45%W.), trichlorfon (50%E.), and fenitrothion (50%E.) were selected among eight chemicals tested, for use for the dipping treatment of the nematode-infested bulbs, and the highest practical control efficacy was obtained by dipping the infested bulbs for about 30 minutes in 1/500 or 1/1, 000 solution of methomyl. No control was obtained by foliar sprays of methomyl at dilutions of 1/1, 000 performed at every 10 day intervals during the growing season. Hot water treatment of the nematode-infested bulbs at 45°C for 20-30 min. was also effective.
日本線虫学会の論文