Title: Citrus insect and disease summary
ALL VOLUMES CITATION PAGE IMAGE ZOOMABLE
Full Citation
STANDARD VIEW MARC VIEW
Permanent Link: http://ufdc.ufl.edu/UF00066150/00102
 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 May 1971
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: VID00102
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

-I'-
SS~ 7/..AS


AGRICULTURAL RESEARCH AND EDUCATION CENTER
LAKE ALFRED, FLORIDA


4-4
AREC-LA Mimeo
Series 71-28


CITRUS INSECT AND DISEASE SUMMARY
MID-MAY 1971


Statewide Index of Abundance
i V ,


End Apr. Mid-May Trend
-2.0


Rust mite leaves


- 1.5


JHigh for


Texas C. mite
-1.0

Q^^ t
D r


Citrus red mite


mites

High for


scales;
whitefly


.5


EndApr. Mid-May Tre
End Apr. Mid-May Trend


-__.- --> Glover


SwEr J1I


sc
arv


SSnow sc
_--)-- --> Snow sc
K


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: 74% of groves infested (Norm 55%); 55% economic (Norm 35%).
Population is above normal, in the high range, and increasing in numbers on
fruit. A temporary decrease is expected on leaves. Highest districts are South
West (2.00) and North (1.81).


the new
(2.06)


Citrus Red Mite: 54% of groves infested (Norm 52%); 27% economic (Norm 26%).
Population is near normal, and in the moderate range. Increase into the high range
is expected with about 20% of groves developing heavy infestations. Highest districts are
South (1.12) and Central (.97).


Texas Citrus Mite: 53% of groves infested (Norm 53%); 29% economic (Norm 29%).
This mite is also near the normal moderate level, but is increasing rapidly.
infestations are expected in about 25% of groves through June. Highest districts
Central (1.23) and South (1.08).


Heavy
are


Six-spotted Mite: 12% of groves infested; 3% economic.
Population is slightly above normal and near the seasonal peak. Decrease is expected
by mid-June.


Glover Scale: 88%
Population is
expected. Highest


of groves infested (Norm 82%); 19% economic
near normal and has entered the high range.
districts are South (1.46) and West (1.07).


(Norm 27%).
Further increase is


Purple Scale: 76% of groves infested (Norm 81%); 9% economic (Norm 11%).
This scale is below normal and present only as light or moderate infestations.
Little change is expected. Highest district is North (1.07).
Chaff Scale: 51% of groves infested (Norm 68%); 2% economic (Norm 13%).
Yellow Scale: 32% of groves infested (Norm 65%); none economic (Norm 9%).
These scales will remain below normal and low in all districts.
Snow Scale: 28% of groves infested; 20% economic. Population will continue above normal.
Little change is expected.
Black Scale: 10% of groves infested (Norm 32%); 3% economic (Norm 13%).
Population is much below normal and very low in all districts. It will remain below
normal despite a rapid increase in June.
hitefl population is slightly above normal and at moderate level. Increase is expected
n all districts.
ealybu population is below normal and very low but will increase rapidly in June.

ra Notes: It is likely that the om 'c1rp 1 r and prices will be better.
therefore, protect your fruit from teY ccaU Rep our trees healthy. Some
rowers are not applying nutrition or copper fungicide at adequate rates.
heck your concentration and gallon e agaA hy Mh pmmende dilute rate per acre.


5 May 19, 1971 WAS


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


W. A. Simanton


- 0.5


L,




University of Florida Home Page
© 2004 - 2010 University of Florida George A. Smathers Libraries.
All rights reserved.

Acceptable Use, Copyright, and Disclaimer Statement
Last updated October 10, 2010 - - mvs