February
2000
, Volume
84
, Number
2
Pages
185
-
191
Authors
R. J.
McGovern
,
University of Florida, IFAS, Gulf Coast Research and Education Center, Bradenton 34203
;
R.
McSorley
,
Department of Entomology and Nematology, University of Florida, IFAS, Gainesville 32611
; and
R. R.
Urs
,
Southwest Florida Research and Education Center, University of Florida, IFAS, Immokalee 34142
Affiliations
Go to article:
RelatedArticle
Accepted for publication 22 October 1999.
Abstract
ABSTRACT
Three field experiments were conducted in southwest and west-central Florida in 1993 through 1995 to evaluate the effectiveness of soil solarization during autumn in reducing Phytophthora blight of Madagascar periwinkle (Catharanthus roseus) caused by Phytophthora nicotianae. Plots (3.6 by 3.6 m) were infested by incorporating winter wheat seed containing P. nicotianae in the upper 15 cm of soil. Solarization was then conducted for 21 to 41 days, primarily during October, using clear, 25- or 50-μm low-density polyethylene mulch. The progress of Phytophthora blight, monitored for 31 to 42 days following planting, was significantly reduced by solarization in all experiments, and final blight incidence was reduced in two of three experiments. Solarization also reduced population densities of P. nicotianae.
JnArticleKeywords
Additional keywords:
cool-season soil solarization,
diseases of ornamentals,
Dolichodorus heterocephalus,
flooding,
low-impact agriculture,
Paratrichodorus minor,
plant-parasitic nematodes,
subtropical climate,
sustainable landscape pest management
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ArticleCopyright
© 2000 The American Phytopathological Society
