Title: Citrus insect and disease summary
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Full Citation
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00027
 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 September 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: VID00027
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
C' CITRUS EXPERIMENT STATION
T RTION CES Mimeo Series 68-9
LAKE AL F JD, FLORIDA

CITRUS INSECT AND DISEASE SUMMARY
END OF SEPTEMBER 1967

Statewide Index of Abundance
:d End Mid End
u Trend Trend
Se. Sept. Aug. Sept. Sept.
2.

Rust r;.ite fruit ,-


1.5- -- -
V- \ Scales
S,_____ ___ Hig h for j
I mites

Rust mite leaves High ~ o
1.0 scales


j I \ 10Glov#r
0.5 1 C. red mite 0 e
V > j |3lack


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 Mice on Leaves: 65% of groves infested (Norm 57%); 43% economic (Norm 35%).
on Fruit: 71% of groves infested (Norm 67%); 53% economic (Norm 46%).
Population dropped out of the high range only briefly in mid-September, then began
a strong increase. It will remain above average and move farther into the high range
through October. Many heavy infestations are expected in all districts. Highest dis-
tricts are South (2.38) East (1.80) and West (1.29).
Texas Citrus Mite: 11% of groves infested (Norm 18%); 2% economic (Norm 4%).
Population is below normal for this da;e and in the low range. Gradual increase is
expected but few infestations will be important in October. All districts are low.
Citrus Red 'zice: 19% of groves infested (Norm 25%); 4% economic (Norm 5%).
Population is below normal and in the low range in all districts. A gradual in-
crease will start early in October and extend through November.
Black Scale: 32% of groves infested; 17% economic. Population decreased rapidly to
below normal level. It will remain very low through November. Highest district is
Central (.73).
Glover Scale: 51% of groves infested; 4% economic. Population dropped below normal
and is currently az low level. Increase has started and will continue through November.
Highest district is South (.95).
P-r-le Scale: 31% of groves infested; none economic. Population is at the lowest on
record for September and also the lowest in any month in 16 years of record. Increase
is expected. All districts are low.
Chaff Scale: 24% of groves infested; none economic. Population of this scale is also
below normal and at low level. Increase is expected. All districts are low.
Yellow Scale: 44% of groves infested; 2% economic. Population is below the average of
recent years and in _..e low range. Increase is expected. Highest district is East (.56).
Snow Scale is more abundant than in prior Septembers and will increase.
hitefly: 58% -f groves infested; 12% economic. Population will remain near current
moderate level and slightly below normal.

Sorav Noaes: Planc bugs of several kinds may move to citrus when the cover crop is
chGop d or dries up as it matures in the fall. The bugs puncture maturing fruit causing
fruit to drop. These bugs can be killed with a spray containing 2-1/2 pints of parathion.4
liquid or equivalent per 500 gals.


650 Cctober 4, 137 WAS


W. A. Simanton




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