Title: Citrus insect and disease summary
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Full Citation
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00075
 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 January 1970
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: VID00075
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

V& w-


CES Mimeo Series 70-20


CITRUS INSECT AND DISEASE SUMMARY
END OF JANUARY 1970

Statewide Index of Abundance


End
Jan.


I
Trend


Rust mite leaves


S- - -V.


Rust mite fruit


C. Red mite-
-- --o-- --o--- -->
o-- -- -- -



Texas C. mite --


High for
rust mite

High for


scales,
whitefly;
winter high
for CRM,TCM


~~


Mid
Jan.








Whitefly


End
Jan.


Trend


Glove scale


O --- --- --
SYellow scale -


Black s le
Black scale-^ )


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

Rust Mite: 78% of groves infested (Norm 63%); 47% economic (Norm 46%).
Population took a downward trend throughout January but is still slightly above
normal and in the high range in most districts. Increase is expected. Highest districts
are West (1.86) Central (1.58) East (1.52) and North (1.45).
Citrus Red Mite: 41% of groves infested (Norm 36%); 15% economic (Norm 12%).
Population is slightly above normal for January but is in the low range. Little
change is expected. Only a few scattered infestations will be important. Highest dis-
tricts are West (1.00) and North (.74).
Texas Citrus Mite: 27% of groves infested (Norm 33%); 9% economic (Norm 12%).
Population is below normal and will remain low. Highest district is West (.71).
Six-spotted Mite: 2% of groves infested; none economic. This mite may be found on in-
terior leaves in February but is not likely to be important until April.


Glover Scale: 79%
Population is
generally lighter.
and North (.90).


of groves infested (Norm 78%); 5% economic (Norm 15%).
at moderate level and near normal statewide; but infestations are
Little change is expected. Highest districts are East (.96) West (.94)


Purple Scale: 71% of groves infested (Norm 77%); 6% economic (Norm 8%).
Population is slightly below normal and in the moderate range with very few heavy
infestations. Little change is expected. Highest districts are North (1.10) and West (.81).
Chaff Scale: 43% of groves infested (Norm 59%); 1% economic (Norm 10%).
This scale is below normal abundance and in the low range. No change is expected.
All districts are low (.41 to .45).


Black Scale: 27% of groves infested (Norm 37%); 6% economic (Norm 17%).
Cold weather has reduced the population below normal and to very low
the warmer districts. Further decrease is expected. Highest district is
Yellow Scale: 64% of groves infested (Norm 60%); 9% economic (Norm 12%).
Population is near normal and at moderate level. Slight decrease is
trict populations range from North (.97) and East (.87) to West (.12).


level except in
East (.74).


expected. Dis-


Snow Scale: 25% of groves infested; 7% with moderate to heavy infestation. Population
is the highest on record for January. It will increase due to spread and intensification.
Whitefly is above normal for January. It will continue at the current moderate level.

Spray Notes: The delayed dormant spray for scab control should be applied just before trees
begin to flush and should be completed before new growth is advanced. Use ferbam 76% WP
at 7.5 pounds or a copper compound at 3.75 to 7.50 pounds of metallic copper per 500 gallons.
The Florida Citrus Spray and Dust Schedule for 1970 is now available from county
agricultural agents and from the Florida Department of Citrus, Lakeland.


600 February 6, 1970 WAS


End
Dec.


Mid
Jan.


2.0 -


0.5


W. A. Simanton


i


CITRUS EXPERIMENT STATION
LAKE ALFRED, FLORIDA


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