Open AccessPecan Stem Phylloxera Control in Mississippi, 1977
Author(s) -
S. G. Polles
Publication year - 1979
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/4.1.45
Subject(s) - phylloxera , sprayer , horticulture , tree (set theory) , forestry , biology , agronomy , geography , mathematics , rootstock , combinatorics
The experiment was conducted on mature ‘Success’ pecan trees ta Shelby, Mississippi. Seven experimentol treatments and an untreated check were tested in 10-tree plots replicated twice in a completely random design. Applications were timed to accord with phylloxera emergence and bud development. On Mar 31 and Apr 12 each tree received ca. 12 gal of spray applied with a John Bean 757 sprayer. On May 12 the number of galls on a total of 30 terminals randomly collected from each plot was counted.
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