Title: Citrus insect and disease summary
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Full Citation
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00007
 Material Information
Title: Citrus insect and disease summary
Series Title: AREC-LA Mimeo series
Physical Description: v. : ; 28-34 cm.
Language: English
Creator: Citrus Experiment Station (Lake Alfred, Fla.)
Agricultural Research and Education Center (Lake Alfred, Fla.)
Publisher: Citrus Experiment Station.
Place of Publication: Lake Alfred Fla
Publication Date: End October 1966
Copyright Date: 1966
Frequency: semimonthly
regular
 Subjects
Subject: Citrus -- Diseases and pests -- Periodicals -- Florida   ( lcsh )
Genre: government publication (state, provincial, terriorial, dependent)   ( marcgt )
periodical   ( marcgt )
 Notes
Issuing Body: Issued by the Citrus Experiment Station (Lake Alfred, Fla.) <July 1966-Jan. 1971, later called Lake Alfred (Fla.) Agricultural Research and Education Center, Feb. 1971-Aug. 1972>.
General Note: Description based on: Mid July 1966; title from caption.
General Note: Latest issue consulted: End of August 1972.
 Record Information
Bibliographic ID: UF00066150
Volume ID: VID00007
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: oclc - 71265791
lccn - 2006229397

Full Text
CITRUS EXPERIMENT STATION ,.
LAKE ALFRED, FLORIDA CES Mimeo Series 67-16

CITRUS INSECT AND DISEASE SUMMARY
END OCTOBER 1966

Statewide Index of abundancee
Mid End Trend Mid End Trend
Oct Oct Oct Oct
-2.0


Rust mite on leaves
V_ --._-_
-1.5 -- --
Rust mite on fruit High for
mites
Scales
1.0 High for
scales o_ -, CGl ow
o-- Glover
-- _.._> Purple
C. red mite
-0.5 -- Chaff
0 5 ----*


C 2
Texas C. mite
NOTE: Only pests or conditions of general or current interest are reported.
Forecasts are for 1 month in advance unless otherwise indicated.

Rust Mite: 67% of groves infested (Norm 65%); 54% economic (Norm 43%).
Population is above average and in the high range and appears to have reached the
fall peak. Gradual decrease is expected after mid-November and will be more apparent
on fruit than on leaves. Highest districts are West (2.29) South (1.94) and North (1.75)

Citrus Red Mite: 35% of groves infested (Norm 35%); 12% economic (Norm 10%).
Population is near average and in the low range. .. Further increase is expected
through November. Highest districts are North (.81) Central (.45) and West (.45).

Texas Citrus Mite: 21% of groves infested (Norm 32%); 5% economic (Norm 11%).
Population is still below normal and in the low range despite a recent upward
trend. Further increase will occur but heavy infestations are not expected to be
numerous. Highest districts are North (.67) and East (.31).

Yellow Scale: 67% of groves infested; 18% economic. Population is at a record high
level for October. Further increase to the high range is expected. Highest districts
are East (1.05) Central (1.03) West (.92) North (.79) and South (.71).

Glover Scale: 57% of groves infested; 11% economic. Population is average for October
and in the low to moderate range. Increase is expected. Highest districts are
Central (.87) East (.85) and South (.71).

Purple Scale: 60% of groves infested; 7% economic. Population is slightly below
average. It also is in the low to moderate range but infestations are not expected to
become much heavier than at present. Highest districts are Central (.77) South (.71)
and East (.70).
Chaff Scale: 39% of groves infested; 6% economic. This scale will continue below
average abundance. Although increase is expected, population will not exceed moderate
level. Highest districts are East (.60) Central (.55) and South (.54).

Black Scale crawlers may become abundant in November but are not likely to be important
in the winter.

Whitefly population will remain low despite a slight temporary increase in adult forms.

NOTE: Soil banks for protecting young trees from freeze damage sometimes harbor termites
that harm the trees. Several suggestions for control have been recommended and appear
to prevent termite damage. These include:
1) make the bank from soil free of roots, chips and paper;
2) apply 1/4 cup of insecticide dust over the area to be banked; then mix in another 1/4
cup as the bank is being built. Dusts containing 5% chlordane, 2 1/2% aldrin, 2 1/2%
heptachlor or 1 1/2% dieldrin can be used;
3) instead of dust, use a mixture of 1 quart of 72% chlordane (8E) per 100 gallons and
apply 1 to 2 quarts to the trunk and soil surface to be covered by the bank. Use low
pressure to avoid blasting the tree. Do not apply any of these insecticides to fruit.


650-November 3, 1966 WAS


W. A. Simanton




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