Title: Citrus insect and disease summary
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Full Citation
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00074
 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 December 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: VID00074
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
700/


CES Mimeo Series 70-16


CITRUS INSECT AND DISEASE SUMMARY
END OF DECEMBER 1969


Statewide Index of Abundance


End
Nov.


Mid
Dec.


End
Dec.


Trend
Trend


Rust mite leaves

Rust mite fruit"
Rut^---- -m-tf
Rust mite fruit-


C. Red mite -
T sCQ-
Texas C. mite"


High for
rust mite

Hi h for


scales,white
fly; winter
high for
CRM & TCM


End
Nov.


Mid
Dec.


End
Dec.


Trend
Trend


,lover scale
S o--~~- ---.-White

SYellow scalE

Black scale l>


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

Rust Mite: 82% of groves infested (Norm 62%); 55% economic (Norm 43%).
Population is again on the increase and is still above normal and in the high range.
Slight increase is expected on both leaves and fruit. All districts are high: South (1.79)
West (1.77) North (1.73) Central (1.70) and East (1.38).

Citrus Red Mite: 41% of groves infested (Norm 35%); 11% economic (Norm 12%).
Population is at low level and normal for year end. Slight increase is expected.
Highest districts are West (1.00) and East (.57).

Texas Citrus Mite: 32% of groves infested (Norm 38%); 11% economic (Norm 14%).
Population is in the low range and below normal for December. Little change is ex-
pected. Highest district is Central (.63).


Glover Scale: 79%
Population is
districts are West


of groves infested (Norm 68%); 9% economic (Norm 11%).
near the normal moderate level. Little change is expected.
(1.00) and East (1.00).


Purple Scale: 68% of groves infested (Norm 69%); 6% economic (Norm 6%).
Population is normal and moderate in all districts. Little change is expected.

Chaff Scale: 45% of groves infested (Norm 51%); 2% economic (Norm 6%).
This scale recently decreased and is now below normal abundance. Population will remain
low in all districts.

Black Scale: 45% of groves infested (Norm 40%); 15% economic (Norm 16%).
Population recently dropped to the normal low level for year end. Continued decrease
is expected. Highest districts are East (1.29) and Central (.81).


Yellow Scale: 64% of groves infested
This scale is at normal moderate
Highest districts are North (.97) and


(Norm 62%); 11% economic (Norm 11%).
level and population is not expected to change.
East (.95).


Snow Scale: 25% of groves infested; 5% with moderate to heavy infestations. Infestations
have become lighter and are not expected to intensify.

Whitefly: 66% of groves infested (Norm 67%); 19% economic (Norm 14%).
Population has decreased to normal moderate level and will diminish further.

Spray Notes: The current high rust mite population indicates that about 25% of groves are
likely to harbor heavy infestations of rust mite in January.
Nutritional elements have been depleted in some groves due to the abundant rainfall
and vigorous tree growth of the past year. Sprays applied in January can include nutri-
tional materials.


600 WAS January 8, 1970


CITRUS EXPERIMENT STATION
LAKE ALFRED, FLORIDA


2.0-


0.5-


Highest





W. A. Simanton




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