| Material Information
||Citrus insect and disease summary
||AREC-LA Mimeo series
||v. : ; 28-34 cm.
||Citrus Experiment Station (Lake Alfred, Fla.)
Agricultural Research and Education Center (Lake Alfred, Fla.)
||Citrus Experiment Station.
||Place of Publication:
||Lake Alfred Fla
||End February 1971
||Citrus -- Diseases and pests -- Periodicals -- Florida ( lcsh )
||government publication (state, provincial, terriorial, dependent) ( marcgt )
periodical ( marcgt )
||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>.
||Description based on: Mid July 1966; title from caption.
||Latest issue consulted: End of August 1972.
| Record Information
||University of Florida
||University of Florida
||All rights reserved by the source institution and holding location.
||oclc - 71265791
lccn - 2006229397
AGRICULTURAL RESEARCH AND EDUCATION CENTER
LAKE ALFRED, FLORIDA
CITRUS INSECT AND DISEASE SUMMARY
Statewide Index of Abundance
End Jan Mid Fed Trend
Rust mite Lvs.
Rust mite Frt.
Hi h fnr
Citrus red mite
O--a _C m____>
Texas C. mite
End Jan Mid Feb
.F.A.S. 2- Univ. of Flori
I.F.A.S. Univ. of Florida
CRM & TCM
----- Glover s
x- ----- Yellow s
0-----'-- Snow sc
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 75%); 53% economic (Norm 42%).
Population decreased and will continue to decline. However, it will remain above
normal and in the high range on both leaves and fruit. Highest districts are West (2.54)
South (2.08) Central (1.55) and North (1.46).
Citrus Red Mite: 52% of groves infested (Norm 36%); 19% economic (Norm 14%).
Population decreased temporarily but increase is expected soon. It is higher than
normal for February although still in the low range. Highest districts are South (1.08)
and Central (.74).
Texas Citrus Mite: 39% of groves infested (Norm 31%); 16% economic (Norm 11%).
Population of this mite will resume the upward trend. It is currently in the low
range but above normal for February. Highest districts are Central (.87) and South (.72).
Six-spotted Mite: 8% of groves infested; none economic. This mite will gradually become
Glover Scale: 82% of groves infested (Norm 78%); 6% economic (Norm 17%).
Little change is expected from the current moderate level which is near normal for
February. Highest districts are South (1.04) and West (1.00).
Purple Scale: 77% of groves infested (Norm 77%); 3% economic (Norm 9%).
Little change is expected from the current normal low level. Highest districts are
West (1.00) and North (.93).
Chaff Scale: 53% of groves infested (Norm 64%); none economic (Norm 9%).
Population will be low and below normal in all districts.
Black Scale: 22% of groves infested (Norm 36%); 8% economic (Norm 15%).
Population decreased to low level and will continue to be low and subnormal.
Highest district is East (.54).
Yellow Scale: 33% of groves infested (Norm 62%); 1% economic (Norm 14%).
The downward trend of the past month will change to an upward trend.
continue to be low and below normal.
Snow Scale: 30% of groves infested; 8% economic. Temporary decrease is expected.
Whiteflies and mealybug will remain at low levels.
Aphids will become abundant about mid-March.
Spray Notes: Rust mite will continue to be a threat in many groves and may require treat-
ment before the postbloom period. Spraying should be avoided if possible while the
blossoms are open.
The Florida Citrus Spray and Dust Schedule for 1971 is now available from the
Florida Department of Citrus, Lakeland, and from County Agricultural Agents.
600 February 16, 1971 WAS
W. A. Simanton