Group Title: Lake Alfred AREC Research report
Title: Packinghouse newsletter
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Full Citation
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Permanent Link: http://ufdc.ufl.edu/UF00095555/00005
 Material Information
Title: Packinghouse newsletter
Series Title: Lake Alfred AREC Research report
Alternate Title: Citrus packinghouse newsletters
Packing house newsletter
Physical Description: v. : ill. ; 28 cm.
Language: English
Creator: Citrus Experiment Station (Lake Alfred, Fla.)
Citrus Experiment Station (Lake Alfred, Fla.)
Agricultural Research and Education Center (Lake Alfred, Fla.)
Citrus Research and Education Center (Lake Alfred, Fla.)
Indian River Research Education Center
Publisher: Citrus Experiment Station
Place of Publication: Lake Alfred Fla
Lake Alfred Fla
Publication Date: April 1968
Copyright Date: 1965
Frequency: irregular
completely irregular
 Subjects
Subject: Citrus fruits -- Harvesting -- Periodicals -- Florida   ( lcsh )
Citrus fruits -- Packing -- Periodicals -- Florida   ( lcsh )
Genre: government publication (state, provincial, terriorial, dependent)   ( marcgt )
periodical   ( marcgt )
 Notes
Additional Physical Form: Also issued on the World Wide Web.
Dates or Sequential Designation: No.1 (Sept. 1, 1965)-
Issuing Body: Issued by the Citrus Experiment Station (no. 1-38); Lake Alfred (Fla.) Agricultural Research and Education Center (no. 39-136); Lake Alfred (Fla.) Citrus Research and Education Center (no. 137-189); and the Ft. Pierce (Fla.) Indian River Research and Education Center (no. 190- ).
General Note: Title from caption.
General Note: Latest issue consulted: No. 202 (Aug. 1, 2005)
 Record Information
Bibliographic ID: UF00095555
Volume ID: VID00005
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 - 02430250
lccn - 2006229390

Full Text

Newsletter No. 14


(*-*)
Citrus Station Mimeo Report CES 68-27
April 18, 1968


UNIVERSITY OF FLORIDA INSTITUTE OF FOOD AND AGRICULTURAL SCIENCES
and
FLORIDA CITRUS COMMISSION


Packinghouse


Newsletter












Harvesting and Handling Section
University of Florida
Citrus Experiment Station
P.O. Box 1088
Lake Alfred, Florida, 33850
(Complimentary to members of the Florida Fresh Citrus Shippers Association.
Others wishing to receive this newsletter, send a dozen stamped preaddressed
envelopes to the above address.)








No. 14 (*-*)
Citrus Station Mimeo Report CES 68-27
April 18, 1968


Harvesting and Handling Section

PACKINGHOUSE NEWSLETTER

SOFT FRUIT

Dry, warm, weather combined with delay in packing after fruit is received at
the packinghouse, usually results in soft fruit due to drying (dehydration). In
many crops,such drying causes breakdown around the stem-end of the fruit within a
week of picking, a condition known as stem-end rind breakdown. This gives the
fruit an 'old' look. Decay may be more than doubled at 2 weeks from the picking
due to delay in handling between picking and packing, even when a fungicide is
properly applied.

Rapid Handling.---Fruit for fresh use should be hauled from the grove to the
packinghouse as soon as possible after picking. When received at the packinghouse,
the sooner the fruit is waxed and packed in cartons, the better will be the appear-
ance of the pack on arrival at the market.

Once moisture is lost from citrus fruit after picking, no way is known to firm
it up. Always handle fruit to reduce moisture loss. A good wax application slows
down moisture loss. Cartons are also helpful in reducing this moisture loss. If
fruit must be held in the packinghouse before shipping, hold, where possible, as
packed fruit.

Unwashed Fruit.---When it is necessary to hold unwashed fruit overnight or
longer, such as over a week-end, place the fruit in a degreening room, turn on the
fan and keep the humidity high (92 to 96%) with live steam. If steam is not
available, hose down walls and floor occasionally. Avoid wetting fruit where
possible. Do not add ethylene or heat.

These holding conditions will reduce moisture loss. Fruit will be firmer,
stem-end rind breakdown and decay will be less. University of Florida Extension
Circular 286 gives more detail on the control of stem-end rind breakdown.

COLD STORAGE

Citrus fruit to be held in cold storage for later sale should be high quality,
mature fruit. Do not store overmature fruit. The quality at the end of the storage
period will depend on:

1. The quality of fruit placed in storage.

2. Length of storage.

3. Storage conditions.

Fruit to be stored should be given a Dowicide "A" treatment. Treating time
should be at least 2 minutes at room temperature. (Do not heat the treating solu-
tion).








Newsletter No. 14 -2- April 18, 1968



To reduce drying of fruit during storage:

1. A good wax application is essential.

2. Pack fruit in cartons.

3. Relative humidity in the storage room should be about 85%.

Storage temperature should be 350 to 40 F.

Check stored fruit at weekly intervals for decay and evidence of dehydration.
Trouble will usually show up with small sizes first. Remember, the longer citrus
fruit is stored, the faster it will breakdown when placed at room temperature. It
is best to hold fruit under refrigeration until it is to be consumed. Shipping of
cold-stored citrus fruits in poly bags is not advised.




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