长针线虫防治及氮肥肥力对高尔夫球场球道草坪质量的影响
Effects of Belonolaimus longicaudatus Management and Nitrogen Fertility on Turf Quality of Golf Course Fairways.
作者信息
Luc J E, Crow W T, Stimac J L, Sartain J B, Giblin-Davis R M
机构信息
Graduate Student, Associate Professor and Professor, Entomology and Nematology Department, and Professor, Soil and Water Science Department, University of Florida, Gainesville, FL 32611 Professor, University of Florida-IFAS, Fort Lauderdale Research and Education Center, 3205 College Ave., Davie, FL 33314.
出版信息
J Nematol. 2007 Mar;39(1):62-6.
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.
田间试验评估了杀线虫剂和肥力对被刺线虫（Belonolaimus longicaudatus）寄生的‘Tifway 419’狗牙根性能的影响。小区处理为未处理或杀线虫剂（1,3 - 二氯丙烯）处理，并结合不同的氮肥水平。比较了各处理对长刺线虫数量和草坪性能的影响。杀线虫剂持续减少了长刺线虫的数量，但施肥水平对长刺线虫没有影响。在两个试验中，与未处理小区相比，杀线虫剂处理小区的草坪性能均有所改善。在某些情况下，提高氮肥水平改善了杀线虫剂处理小区的草坪性能，但在两个试验中，对未处理小区的草坪性能均无影响。结果表明，除非线虫管理策略能有效降低线虫密度，否则在长刺线虫侵染的场地增加氮肥水平可能无法改善草坪性能。
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