Title: Citrus insect and disease summary
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00086
 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 July 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: VID00086
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
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CITRUS EXPERIMENT STATION
LAKE ALFRED, FLORIDA


CES Mimeo Series 71-1


CITRUS INSECT AND DISEASE SUMMARY
END OF JUNE 1970


Statewide Index of Abundance
.


Mid
June


End
June


I
Trend


C. Red mite
0---->

0 -, Rust mite


-

0 Texas C. mite
D"


High for


I -


mites

High for
scales;
whitefly,
mealybug


Mid
June


End
June


Trend


7 -->)
A
White


fly


L
Mealybug
a-- Black sc
t /,


,/I


Glover sL


7/


NOTE: Only pests or conditions of general or current interest are reported.
Forecasts are for 1 month in advance unless otherwise indicated.
Citrus Rust Mite: 70% of groves infested (Norm 51%); 44% economic (Norm 29%).
Population will continue at above normal level through July. Highest districts
are West (1.79) Central (1.56) East (1.37) and South (1.30).


Citrus Red Mite: 75% of groves infested (Norm 68%); 49% economic (Norm 43%).
Population is in high range but will start downward trend at mid-July. All
are high: East (1.70) South (1.67) North (1.66) West (1.47) and Central (1.45).


districts


Texas Citrus Mite: 56% of groves infested (Norm 77%); 36% economic (Norm 56%).
Population is rapidly entering the high range and will continue through July, then
diminish by month end. Highest districts are: South (1.54) East (1.48) and Central
(1.24).


Glover Scale: 91% of groves infested (Norm 86%); 18% economic (Norm 32%).
Population remains near normal; it will show a decrease at end July.
district is South (1.46).


Highest


Purple Scale:
Yellow Scale:
Chaff Scale:
All three
expected.


69% of groves infested
62% of groves infested
49% of groves infested
of these scales remain


(Norm
(Norm
(Norm
close


80%); 7% economic
70%); 7% economic
72%); 1% economic
to moderate level.


(Norm 13%).
(Norm 12%).
(Norm 17%).
Slight decrease is


Black Scale: 68% of groves infested (Norm 83%); 46% economic (Norm 62%).
Population has increased rapidly but is still below normal high level for this date.
Further increase is expected. Highest districts are East (2.09) South (1.62) West (1.50)
and Central (1.10). North district continues low (.60).

Snow Scale: 26% of groves infested; 16% with moderate or heavy infestations. Increase
is expected.

Whitefly: 89% of groves infested; 53% economic.
Populations of both the larval and adult forms are above the 18 year record high.
All forms will continue high through July. All districts are high: East (2.09) North
(1.68) West (1.44) South (1.36) and Central (1.13).
Mealybug: 76% of groves infested; 38% economic. Recent rapid increase has caused
population to be above normal; further increase is anticipated until mid-July. Highest
districts are: East (2.52) South (1.61) West (1.31) and Central (1.16).


Spray Notes: FC 435-66 oil is effective in controlling greasy spot disease when applied
at 1.0% concentration within 1 month after expansion of the summer flushes. This
usually means application in the mo -

THE NEXT ISSUE OF THIS S R W "BELIrERad AR Y IN AUGUST.


600 July 6, 1970 WAS 7 1970 W. A. Simanton


.FAS. L 'niv. of Florida


-2.0




-1.5





-1.0


-0.5




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