Title: Citrus insect and disease summary
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00011
 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: Mid January 1967
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: VID00011
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
I7-.. CITRUS EXPERIMENT STATION
LAKE ALFRED, FLORIDA
LAKE ALED FLORIDA CES Mimeo Series 67-22

CITRUS INSECT AND DISEASE SUMMARY
MID-JANUARY 1967

Statewide Indcx of Abundance
End Mid End Mid
Trend Trend
0 Dec Jan Dec Jan
-2.0




-1.5 Rust mite ,
h____ for
rust mite Scales

S___High for
C. red mite scales; -lov
winter high ------- urle
for o eow
S a-- CRM & TCM
-0.5
Texas C. mite



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

Rust Mite: 67% of groves infested (Norm 61%); 45% economic (Norm 44%).
Population increased into the high range and will remain high. Rust mite is above
normal abundance for mid-January on both leaves and fruit. Highest districts are
West (2.00) North (1.60) and Central (1.54).

Citrus Red Mite: 50% of groves infested (Norm 37%); 21% economic (Norm 10%).
Population increased and is expected to continue near the current moderate level.
This mite is more numerous than in any January in the last 5 years, but less numerous
than in most years prior to that. Highest districts are West (1.50) North (.96) and
East (.77).

Texas Citrus Mite: 42% of groves infested (Norm 33%); 12% economic (Norm 11%).
Population is slightly above normal but is still in the low range. Further increase
is expected which will cause a few important infestations. Highest districts are
West (1.50) and North (.68).

Glover Scale: 78% of groves infested; 13% economic.
Population is near normal and in the moderate range. Slight decrease is expected.
Highest districts are Central (1.16) East (1.04) and South (1.00).

Purple Scale: 78% of groves infested; 8% economic. Population is normal and in the
moderate range. Little change is expected. Highest district is Central (1.08).

Yellow Scale: 66% of groves infested; 13% economic. Population is above average and
in the moderate range. Little change is expected. Highest districts are East (1.13)
and Central (1.08).

Chaff Scale: 50% of groves infested; 3% economic. This scale is below normal abundance
and in the low range. No change is expected. Highest district is Central (.68).

Black Scale: 40% of groves infested; 13% economic. No change is expected from the
current low level normal for January. Highest district is Central (1.04).


Spray Notes: Scab was more prevalent than normal in 1966, especially in groves with
overhead irrigation. The disease may be more of a problem this year in plantings of
Temple, Murcott, Satsuma, grapefruit, tangelo and lemon. Two sprays are required for
control, the first just before the trees begin to flush and the second when 2/3 of
petals have fallen. Either ferbam at 7.5 lb. or 52% neutral copper at 7.0 lb.per
500 gals are effective. Ferbam is now cleared for use when fruit is present.
For further details see the 1967 FLORIDA CITRUS SPRAY AND DUST SCHEDULE now
available from county agents and the Florida Citrus Commission, Lakeland.


650-January 19, 1967 WAS


W. A. Simanton




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