Title: Citrus insect and disease summary
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Full Citation
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00064
 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 June 1969
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: VID00064
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 6935

CITRUS INSECT AND DISEASE SUMMARY
END OF JUNE 1969

Statewide Index of Abundance
Mid End Mid End Trend
Trend ---->
June June June June ,- -
-2.0 7 Black sc.

0/
Rust mite ,- // /Mealybug
-1.5 ,
-X
1.' -High for Whitefly
mites -> Whitefly
Texas C. mite m s n V

-1.0 -> High for _---___---- Glov er s:.
0 --^- q scales; s
0-- 1 whitefly,
C. red mite mealybug

-.5





NOTE: Only pests or conditions of general or current interest are reported.
Forecasts are for 1 month in advance unless otherwise indicated.
Rust Mite: 70% of groves infested (Norm 51%); 49% economic (Norm 29%).
Population is much above normal for June and is expected to increase to the very high
level reported in July of last year. Highest districts are North (2.25) West (1.75) South
(1.74) Central (1.35). East district continues to be very low (.56).
Texas Citrus Mite: 47% of groves infested (Norm 77%); 31% economic (Norm 56%).
Population is below normal but is increasing rapidly. It is expected to enter the
high range for a short period early in July; then diminish by month end. Highest districts
are North (1.20) East (1.00) and Central (.96).
Citrus Red Mite: 52% of groves infested (Norm 68%); 28% economic (Norm 43%).
Population is expected to enter the high range briefly at the mid-July peak. It will
continue to be below normal. Highest districts are West (1.33) and East (1.05).
Glover Scale: 84% of groves infested (Norm 86%); 15% economic (Norm 32%).
Population is in the high range but is below normal. Gradual decrease is expected
after mid-July. Highest districts are South (1.12) and North (1.08).
Purple Scale: 61% of groves infested (Norm 80%); 5% economic (Norm 13%). This scale is
below normal abundance and will continue to decrease. Highest district is North (1.00).
Chaff Scale: 51% of groves infested (Norm 72%); 1% economic (Norm 17%).
Population is below normal and in the low range. Little change is expected.
Yellow Scale: 70% of groves infested (Norm 70%); 2% economic (Norm 12%). This scale is
at low level, below normal, and decreasing. Highest district is North (.96).
Black Scale: 78% of groves infested (Norm 83%); 59% economic (Norm 62%).
Population increased rapidly and is now at the normal high level for this date.
Further increase is expected until mid-July. All districts are high: East (2.76) South
(2.27) West (1.44) East (1.38) and North (1.00).
Snow Scale: 18% of groves infested; 7% with moderate to heavy infestation. Increase is
expected.
Whitefly: 83% of groves infested; 34% economic. Population of the larval stage is near
the 18 year record high. This portends formation of much sooty mold. Highest districts
are North (1.68) East (1.59) and Central (1.09).
Mealybug: 76% of groves infested; 43% economic. Recent rapid increase has caused popula-
tion to be above normal. Further increase is anticipated. Districts vary widely: East
(2.59) South (1.89) Central (1.41) West (.71) and Nor Ti .----
pray Notes: Oil meeting FC 435-66 specifications is relfI edLUMFiR u e on citrus.
For snow scale control the scalicide should be 2.5 pi ts of parathion 4 liquid (or equiva-
lent), or 1.25 pints parathion 4 plus 0.5% oil, or 5. quart alah.~ 5 liqu d (or
equivalent) or 3.0 quarts of malathion 5 plus 0.5% oil, or 325. pits'bof ethio 4 liquid
plus 0.5% oil, or 3.75 pints Trithion, or 5.0 pints (uthion 2 liquid. These re the
amounts for 500 gallons of spray. The spray must be qhop hl. allied to we all wood.
625 June 30, 1969 WAS Florida nton
625 June 30, 1969 WAS b ...,-... .. W.. A. Simjnton




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