Title: Citrus insect and disease summary
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Full Citation
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00004
 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 August 1966
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: VID00004
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
SC / CITRUS EXPERIMENT STATION
LAKE ALFRED, FLORIDA

CITRUS INSECT AND DISEASE SUMMARY CES Mimeo Series 67-4
MID-AUGUST 1966

Statewide Index of Abundance
II
End Mid Trend End\\ Mid Trend
-2.0 July Aug. July \ Aug.




1.5 Rust mite-fruit '
-1.5 -..... x
V-... ~--_--> High for Blk
mites Black sc

1-.0 \, High for
Rust mite-leaves scales,
whitefly .0 N > Mealybug
C. red mi e mea-- -> Yellow sc

-0.5 9 "'-> Glover sc

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 on Leaves: 54% of groves infested (Norm 62%); 41% economic (Norm 487.)..
Rust Mite on Fruit: 647. of groves infested (Norm 65%); 47% economic (Norm 52%).
Population appears to have reached the summer peak at normal level and is expected
to subside gradually through September. Decrease will be greater on leaves than on
fruit. Most districts will have important infestations in 10 to 30% of groves. Highest
districts are West (2.71) North (1.43) and Central (1.08).

Texas Citrus Mite: 26% of groves infested (Norm 53%); 13% economic (Norm 25%).
Population has decreased to low level and is much below average. It is expected
to remain low. Highest district is East (1.00).

Citrus Red Mite: 29% of groves infested (Norm 557.); 13% economic (Norm 30%).
This zite also is much below average abundance. It is expected to remain at the
current low level. Highest district is East (1.00).

Black Scale: 69% of groves infested; 55% economic. Population has decreased greatly
but is still at record high level for August. Further decrease will occur. Highest
districts are East (2.20) West (1.62) Central (1.54) and South (1.50).

Glover Scale: 4S% of groves infested; 11% economic. Population has decreased to
normal low level and will remain low. Highest districts are East (.90) and West (.88).

Purple Scale: 407 of groves infested; none economic. Population is below normal and
will continue at low level. All districts are low.

Chaff Scale: 27% of groves infested; 3% economic. Population is below normal and
low and will go lower. Highest district is East (.70).

Yellow Scale: 587 of groves infested; 6% economic. This scale has decreased but is
still above normal abundance. It is expected to continue near the current moderate
level. Highest districts are North (.80) and Central (.77).

Mealybug: 71% of groves infested; 187. economic. Mealybug has decreased to moderate
level but is more abundant than in any August in 15 years of record. Continued de-
crease to low level is expected. Highest district is South (1.36); all others are
about .80.

Whitefly is below average and will continue low.

Spray Iotes: Root feeding by Fuller's rose beetle larvae has been reported from
several areas. Recommended control is aldrin or dieldrin at 2.5 lbs. per acre of
active ingredient worked into the soil in the fall and again in the spring. It can
be applied with fertilizer. Do not apply to fruit.

NOTICE: T1E NEXT SUMMARY WILL BE ISSUED IN LATE SEPTEMBER. MOST CITRUS PESTS WILL
SUBSIDS IN THE NEXT FEW WEEKS AND ALLOW US TO TAKE VACATIONS.


650-August 17, 1966 WAS


W. A. Simanton




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