Title: Citrus insect and disease summary
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Permanent Link: http://ufdc.ufl.edu/UF00066150/00116
 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 February 1972
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: VID00116
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


SHUME LIBRARY


-FEB 72



I.F.A.S. Univ. of Florida


CS-1972-5
500-2/21/72-WAS-Lake Alfred, Fla.
AGRICULTURAL RESEARCH AND EDUCATION CENTER LAKE ALFRED, FLORIDA
CITRUS INSECT AND DISEASE SUMMARY
MID-FEBRUARY 1972
Statewide Index of Abundance
End Jan. Mid Feb. Trend End Jan. Mid Feb. Trend
2.(-
C. Rust mite


'-..Lvs.

Frt. High for
rust mite

1.- High for
scales; -
whitefly; -- > Glover s ale
whif-- --- --... Black sc le
winter high ---- Purple sale

STexas C. mite for CRM,TCM x--_ X > Snow sca e
0.- Texas C. mite



C. red mite

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: 76% of groves infested (Norm 61%); 49% economic (Norm 42%).
Population again decreased and will decline further. However, it is still above normal
and in the high range. Highest districts are South (1.95) West (1.92) and Central (1.76).
Citrus Red Mite: 25% of groves infested (Norm 36%); 2% economic (Norm 14%).
Population is Lhe lowest for February in 21 years of record. Little change is expected.
Highest district is West (.50).
Texas Citrus Mite: 22% of groves infested (Norm 31%); 6% economic (Norm 11%).
This spider mite is also much below normal and is at the lowest February level since
1963. Little change is expected. Highest district is East (.45).
Six-spotted mite is expected to appear on new inside foliage in scattered groves.
Glover Scale: 75% of groves infested (Norm 78%); 2% economic (Norm 13%).
Population is below normal and in the moderate range. Slight increase is expected.
Highest districts are West (1.00) and South (.96).
Purple Scale: 67% of groves infested (Norm 73%); 2% economic (Norm 7%). Population is
below normal and low; slight increase is expected. Highest district is North (.81).
Chaff Scale: 45% of groves infested (Norm 57%); none economic (Norm 6%).
This scale will remain at low level in all districts.
Yellow Scale: 29% of groves infested (Norm 58%); 1% economic (Norm 10%).
Population will remain below normal and low. Slight increase is probable. Highest
district is East (.65).
Black Scale: 49% of groves infested (Norm 31%); 23% economic (Norm 12%).
Population is higher than in any February in 21 years of record. It is currently at
moderate level but is expected to drop to low level. Highest districts are East (1.65) and
Central (1.10) and lowest is South (.15).
Sa~ow Scale: 30% of groves infested; 21% economic.
Population is higher than in any prior month. Slight increase is expected.
Whitefly larvae are more abundant than usual for February. Adults will become numerous early
in March.
Aphids are expected to increase rapidly early in March.
Spray Notes: Aphids should be controlled promptly on Temple orange trees and on young trees
or topworked trees. For trees bearing fruit use Systox 2 liquid at 5.0 pt. per 500 gal., or
phosphamidon 8 liquid at 5.0 pt. or dimethoate 2.67 liquid at 4.0 pt. Meta-Systox R at 5.0
pt. is very effective but may be used only on young trees that are not expected to bear fruit
for one year. See the Spray Schedule for limitations.
The Florida Citrus Spray and Dust Schedule for 1972 is now available from County
Extension Directors or from the Florida Department of Citrus, Lakeland.


W. A. Simanton


February 21, 1972




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