Title: Citrus insect and disease summary
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Full Citation
STANDARD VIEW MARC VIEW
Permanent Link: http://ufdc.ufl.edu/UF00066150/00037
 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 March 1968
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: VID00037
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

CITRUS INSECT AND DISEASE SUMMARY
END OF MARCH 1968


CES Mimeo Series 68-24
CES Mimeo Series 68-24


Statewide Index of Abundance


Mid
Mar.


End
Mar.


Rust mite

-1.5 -




-1.0


-0.5


NOTE:


C. red mite




Texas C. mite
Texas C. mite


Trend


High for
mites


Mid
Mar.


End
Mar.


I
Trend


Scales


High for ___


scales


...__ ----> Glover

0 o- ----- Yellow


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


Rust Mite: 71% of groves infested (Norm 56%); 47% economic (Norm 35%).
Population is still above average and in the high range despite the March
Little change is indicated. Highest districts are South (1.90) Central (1.78)
West (1.36).
Texas Citrus Mite: 30% of groves infested (Norm 32%); 9% economic (Norm 12%).
Population is near normal and in the low range. Increase will occur late
Highest districts are East (.56) and Central (.50).


decrease.
and



in April.


Citrus Red Mite: 37% of groves infested (Norm 41%); 11% economic (Norm 16%).
Population is below average and in the low range. Important increases are expected
in scattered areas. Highest districts are East (.83) North (.52) and Central (.43).
Six-spotted Mite: 5% of groves infested; 1% economic.
Population will remain low and below average.
Glover Scale: 79% of groves infested (Norm 79%); 8% economic (Norm 22%).
Population is below normal and in the moderate range. Slight increase is expected.
Highest districts are East (1.04) and South (1.04).
Purple Scale: 64% of groves infested (Norm 81%); 2% economic (Norm 11%).
Population is below normal and will continue low in all districts.
Chaff Scale: 44% of groves infested (Norm 70%); 2% economic (Norm 15%).
Population will continue to be low and below normal in all districts.


Yellow Scale:
Increase
districts are


66% of groves infested (Norm 65%); 1% economic (Norm 15%).
is expected, but population will be below normal in most areas.
West (.93) and East (.74).


Black Scale: 38% of groves infested (Norm 28%); 15% economic (Norm .11%).
Population will remain low through April but is above normal. A strong increase
will start in mid-May. Highest districts are Central (1.07) and East (.87).
Sniw Scale: 15% of groves infested, which is more than in any prior March. Increase is
expected.


Ap-lids: 5% of groves infested (Norm 24%); none economic (Norm 1%).
This is the lowest aphid population for March in 17 years of record.
expected, but it will be moderate and of short duration.


Increase is


Whitefly is below normal abundance. Little change is expected.
Mealybjg Sg- are more abundant than average for March. Feeding stages will be scarce
until May.

Snray Notes: Rust mite must be controlled in the post bloom period to avoid early fruit
damage. The second spray of ferbam or copper for scab control should be made when two-
thirds of petals have fallen. Sprays for melanose control can be made up to 3 weeks
later. Ferbam does not control melanose.


600 April 3, 1958 WAS


-2.0


Highest


W. A. Simanton




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