Group Title: Central Florida Research and Education Center research report - Central Florida Research and Education Center ; SAN-87-05
Title: Aphid control on eggplant, winter 1984
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Permanent Link: http://ufdc.ufl.edu/UF00075861/00001
 Material Information
Title: Aphid control on eggplant, winter 1984
Series Title: Central Florida Research and Education Center research report - Central Florida Research and Education Center ; SAN-87-05
Physical Description: Book
Language: English
Creator: Leibee, Gary L
Affiliation: University of Florida -- Central Florida Research and Education Center
Publisher: Central Florida Research and Education Center, University of Florida
Publication Date: 1987
 Record Information
Bibliographic ID: UF00075861
Volume ID: VID00001
Source Institution: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: oclc - 122270948

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HISTORIC NOTE


The publications in this collection do
not reflect current scientific knowledge
or recommendations. These texts
represent the historic publishing
record of the Institute for Food and
Agricultural Sciences and should be
used only to trace the historic work of
the Institute and its staff. Current IFAS
research may be found on the
Electronic Data Information Source
(EDIS)

site maintained by the Florida
Cooperative Extension Service.






Copyright 2005, Board of Trustees, University
of Florida




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Research Report SAN87-05


Central Science
Library

OCT 23 1987
ENTER y of Florida
University of Florida


October 1986


APHID CONTROL ON EGGPLANT, WINTER 1984

Gary L. Leibee


'Florida Market' eggplant was transplanted on October 17, 1984,
into Myakka fine sand on the University of Florida's Central Florida
Research and Education Center in Sanford. A plot consisted of one 20'
row with 12" plant spacing. Each plot was separated by two unplanted
rows; row spacing was 30'. Treatments were replicated in four
randomized complete blocks separated by 25' weed-free alleys. Spray was
applied by hand with a C02-pressurized sprayer. Three nozzles (D3-25)
were used per row; one overhead and one drop on each side. The delivery
rate was 50 gpa with a boom pressure of about 40 psi and a speed of 2
mph. Aphid precounts were taken on one leaf on each of five plants in
the middle of each plot on December 14. The leaves were marked with a
hole-punch so postcounts could be taken on the same leaves. Spray was
applied on December 16. Postcounts were taken 24 and 48 hr later.

The results are presented in the table as % reduction per five
plants. The level of infestation was considered heavy. The pestiferous
species present was the green peach aphid, Mvzus persicae (Sulzer).
Both Baythroid and Pydrin gave acceptable control. No phytotoxicity was
observed.

% reduction*

Treatment 24 hr 48 hr


Untreated check 28.3 b 24.5 b

Baythroid 2EC 0.022 77.7 a 85.5 a

Baythroid 2EC 0.044 73.1 a 72.3 a

Pydrin 2.4EC 0.1 85.2 a 87.3 a


University of Florida
CENTRAL FLORIDA RESEARCH AND EDUCATION
Sanford, Florida


* ANOVA performed on transformed data (arc sine). Means
within each column followed by the same letter are not
significantly different at the 0.05 level by DMRT.




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