Effects of <I>Belonolaimus longicaudatus</I> Management and Nitrogen Fertility on Turf Quality of Golf Course Fairways
Keywords:
Belonolaimus longicaudatus, bermudagrass, Cynodon dactylon, fertilizer, nitrogen, sting nematode, turfgrass, management, turf quality.Abstract
Field experiments evaluated the effects of nematicide and fertility on performance of `Tifway 419' bermudagrass parasitized by the sting nematode (Belonolaimus longicaudatus). Plot treatments were nontreated or nematicide (1,3-dichloropropene) treated combined with different nitrogen (N) fertilizer levels. Effects of treatments on numbers of B. longicaudatus and turf performance were compared. Nematicide consistently reduced numbers of B. longicaudatus, but fertilizer level had no effect on B. longicaudatus. Turf performance of nematicide-treated plots was improved compared with nontreated plots during both experiments. Increasing N fertilizer level improved turf performance in nematicide-treated plots in some cases, but had no effect on turf performance in nontreated plots in either experiment. Results suggest that increasing N fertilizer levels may not improve turf performance at sites infested with B. longicaudatus unless nematode management tactics are effective in reducing nematode densities.Downloads
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