Full TGIF Record # 169506
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Author(s):Wene, George P.; True, Lowell F.; Seitz, Garry L.
Author Affiliation:Wene: Associate Entomologist, Arizona Agricultural Experiment Station; True: Agricultural Agent, Maricopa County; Seitz: Research Assistant, Agronomy, University of Arizona
Title:The ecology and control of ground pearls
Source:1967-68 Report on Turfgrass Research [Arizona]. [1968], p. 11-19.
# of Pages:9
Publishing Information:[Tucson, AZ: The University of Arizona, Turfgrass Research Committee, Agricultural Experiment Station]
Keywords:TIC Keywords: Application methods; Chemical control; Cultivar susceptibility; Ecological distribution; Granular insecticides; Insect control; Insecticides; Margarodes; Soil depth; Water holding capacity
Abstract/Contents:Discusses ecological studies conducted from the 1940s to the 1960s to determine the effects of ground pearl (Margarodes miridonalis) on turfgrass. Briefly describes the ground pearl as "a subterranean scale which feeds on the roots of bermudagrass," and summarizes the first instances of its observation. Mentions several studies that highlight the interaction of ground pearls with Tifgreen, as well as potential reasons for their concentration. Notes that "the vertical distribution of ground pearls is influenced...by the available moisture and by soil types." Presents four experiments conducted in 1968 to determine possible means of controlling ground pearls. Details methods and materials for the studies, stating that "insecticides were applied three times...the granules were spread evenly with the use of small shakers." Provides tables depicting ground pearl distribution; the effects of insecticides on large, non-replicated plots; and the effects of insecticides on small, replicated plots. Reports that "reductions of ground pearl populations were obtained with the high rates of insecticides applied as granules." Concludes that "the populations between [among] replicates varied greatly and therefore differences between treatments were statistically insignificant."
Note:Pictures, b/w
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wene, G. P., L. F. True, and G. L. Seitz. [1968]. The ecology and control of ground pearls. Rep. Turfgrass Res. [Ariz.]. p. 11-19.
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