| 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
||Mid July 1972
||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
JUL 10 1972
.F.A.S. Univ. of Florida
450-7/6/72-WAS-Lake Alfred, Fla.
AGRICULTURAL RESEARCH AND EDUCATION CENTER LAKE ALFRED, FLORIDA
CITRUS INSECT AND DISEASE SUMMARY
END OF JUNE 1972
Statewide Index of Abundance/
~~ ~ .
Mid June End 'June Trend
L- s ---
A- ,, Frt.
Texas C. mite
-0.5 ---- ---
C. red mite
Mid June ,/nd June Trend
/ Black scale
S __--*-----> Glover s ea
_x-------> Snow sca e
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:
with rapid buildup
73% of groves infested (Norm 57%); 47% economic (Norm 35%).
very high and much above normal. It will continue to increase through July
on fruit. Highest districts are South (2.00) West (1.62) Central (1.60) and
Texas Citrus Mite: 72% of groves infested (Norm 74%); 52% economic (Norm 53%).
Population is near the average high level for June and near the summer peak of abundance.
Decrease is expected after mid-July. Highest districts are Central (2.00) South (1.71) West
(1.47) and East (1.38).
Citrus Red Mite: 38% of groves infested (Norm 68%); 12% economic (Norm
Population is the lowest reported for June in 21 years of record.
approaching the summer peak, it is expected to remain in the low range.
South (.92) and West (.80).
Although population is
Highest districts are
Black Scale: 92% of groves infested (Norm 79%); 83% economic (Norm 57%).
This scale is more abundant than at any time in 21 years of record. Further increase is
expected in July followed by decrease in August. Populations are at high level in all dis-
tricts: East (2.95) Central (2.56) South (2.50) North (2.00) and West (1.93).
Glover Scale: 87% of groves infested (Norm 87%); 8% economic (Norm 28%).
Population is below normal and in the moderate range. Little change is expected.
district is Central (1.04).
Purple Scale: 71% of groves infested (Norm 77%); 4% economic (Norm 10%).
This scale is below normal abundance and will remain at low or moderate level in all
Snow Scale: 31% of groves infested; 20% economic. Increase is expected.
Yellow Scale: 42% of groves infested (Norm 66%); none economic (Norm 8%).
Chaff Scale: 42% of groves infested (Norm 64%); none economic (Norm 11%).
These two scales will remain below normal and at low level.
Green Scale: 27% of groves infested (Norm 7%); 14% economic (Norm 1%).
This scale occurs in scattered areas of the East, Central and South districts. Population
is higher than in any prior month in 21 years of record.
Whitefly: 84% of groves infested (Norm 73%); 27% economic (Norm 26%).
Population is slightly above normal and high. Adults and eggs will be abundant on the new
flush until mid-July. Highest districts are East (2.00) West (1.47) and North (1.21).
Mealybug: 73% of groves infested (Norm 72%); 23% economic (Norm 31%).
Population has increased into the high range but is slightly below normal. Decrease is
expected after mid-July.
Spray Notes: FC 435 spray oil emulsion at 1% oil concentration is effective in controlling
greasy spot when applied within 1 month after expansion of the summer flushes. Copper may be
used in place of oil if fruit is free of blemishes.
__ __ _>
W. A. Simanton
July 6, 1972