Title: Citrus insect and disease summary
ALL VOLUMES CITATION PAGE IMAGE ZOOMABLE
Full Citation
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00033
 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 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: VID00033
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 JANUARY 1968


CES Mimeo Series 68-20


(No Surmmary was issued
at mid-January)


Statewide Index of Abundance


End Mi'd E'nd Trend
Dec J~n Jan

'---
--- -----------
Rust mite frui lea
leaves







Texas C. mite

0- 0--
--0C. red

C. red mite


High for
rust mite

High for
scales;
winter high
for
CRM & TCM


Mid
Jan


Enid
Jan


Trend


Scales


Glover- _

s- -1 clack

Yellow --"


NOTE: Only pests or conditions of general or current interest are reported.
Forecasts are for 1 month in advance unless otherwise indicated.
Rust Mite: 81% of groves infested (Norm 59%); 66% economic (Norm 41%).
Population decreased slightly but is still at the highest January level in 17 years
of record. Little change is expected. All districts are high: West (2.43) South (2.20)
Central (2.00) East (1.74) and North (1.L8).


Texas Citrus Mite: 49% of groves infested
Population decreased and is currently
for January. Further decrease is expected.
West (.79).


(Norm 27%); 14% economic (Norm 10%).
in the low range although higher than normal
Highest districts are East (.82) and


Citrus Red Mite: 39% of groves infested (Norm 33%); 8% economic (Norm 10%).
Slight increase is expected from the present low level normal for January.
districts are East (.91) and West (.64).


Glover Scale: 76%
Population is
Slight increase is


of groves infested (Norm 78%); 8% economic (Norm 17%).
below the January average of recent years and is in the moderate range.
expected. Highest districts are East (1.22) and West (.93).


Purple Scale: 65% of groves infested (Norm 79%); 3% economic (Norm 9%).
Population is below the January average and in the low range. Decrease is expected.
Highest district is East (.83).


Black Scale: 5% of groves infested (Norm 35%); 22% economic (Norm 16%).
Population is above the low level normal for January and a few scattered
moderate to heavy infestations. Little change is expected. Highest district
tral (1.21) and East (.83).


groves have
is Cen-


Yellow Scale: 64% of groves infested (Norm 59%); 2% economic (Norm 15%).
Slight decrease has occurred and population will remain below average and in the
low range. Highest districts are East (.83) and West (.80).
Chaff Scale: 39% of groves infested (Norm 64%); 1% economic (Norm 11%).
Population is below the average of recent years and will continue in the low range
in all districts.
Snow Scale. 15% of groves infested; 2% moderate to heavy. Increase expected.
Wbiteflies, mealybug; aphids and six-spotted mites are near their normal low levels at
present but all are expected to increase in February and March.

Spray Notes:: The delayed dormant spray of copper or ferbam for scab control should be
completed before new growth is advanced. Meta-Systox-R is recommended for aphid con-
trol on ncn-bearing trees that are not expected to bear'fruit for 1 year. Demeton
(Systcx) can be used to control aphids on orange, grapefruit and lemon trees bearing
fruit, but a 21 day waiting period between application and harvest must be observed.
The 1968 Cicrus Spray and Dust Schedule.is now available from the Florida Citrus
Commission, Lakeland, and from county agents.


650 February 6, 1968 WAS


1.0-t


Highest


I m T L


W. A. Simanton




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