The Pascagoula democrat-star. (Pascagoula, Miss.) 1878-1920, 1879-02-21
Rust ON the Orange.


to lessen tire beauty Of tire golden
fruit as well as the sine the latter
by furnishing an escape of the wa
terry particles through the porus
skin. If the fruit is well advanced
when attacked by the disease, il
does not lessen but increases the
sweetness OF tire pulp by means o!
evaporation. 1t has still an addi.
tional effect of tOughening the skin
and rendering it pliable, so that the
fruit is not so liable to be damaged
by shipping. AS tire goldenicolor
ed fruit sells for about double the
price of the rusty, it is very desira
ble to growers to know both
the cause of the disease and
the remedy; the cause, that il may
BE avoided, and the remedy, that
the disease may be cured.
That the reader may the more
readily discover and expose the
fallacy, If any exists, or be satisfied
With the truths of theory, il prov
en-, | viii give the process of iny es
tigatfon and thoughts by which /
have reached conclusions. ..
In my travel over the States !
noticed, ali u general rule, that
L. Bright oranges abonnded iu
the ratio in which soluble line
was found in the soil. IN the lirae.
stone regions of Alachua, Marion
and Suplter except in a few cases
to be mentioned, there was very
little rust. 's' 1...
2. Where trees sre growing in
shell land, the fruit was univ ersally
bright.
3. In few instances the fruit
bad been changed in a single year
from brown to bright by accidental.
ly throwing lime around the trees.
These observations led me to ex-
pertinent with lime, with the follow.
ing results:
4. With unburned oyster.shells,.
no perceptibe effect.
8. With bone meal, The dark color
6. With air-siacked lime-oyster
shells burned-a bright color, and
when sufficient quantity applied, a
complete cure.
| noticed another class of facts
that the dark color Increased in the
ratio of nitrogen in the soil.
z. Trees standing near dwellings,,
stables, COW pens, etc, had more
frequently dark oranges, aud occa.
siOnally even in limestone sections.
8. Cow-penning frequently pro.
1uced dark oranges in u single sea
sou. H-
o. Mauures abounding in nitro.
gen IN any form invariably pro-
1uced da' K fruit IN a Single season,
inless there was Considerable lime
either added to or found in the soil.
10. In one instance the color was
changed ili ii single season from u
bright to dark color by the appli-
'atiOn OF several barrels OF LIQUID
training from the cow-pens.
IL. Dark oranges more frequent.
y follow rainy season than dry.
IL. Trees that stand in the
'pen field, and are neither cultiva.
ID nor tertilized, are almost invaria.
bly, bright.
IL. Trees are that mulclfed sci
lOm have dark oranges.
IA. When trees produce both
lark .and. bright oranges, ais GER
'ral rule, those are darkest that
lave bad most sunlight; (D the
'olor darkest at the point and on
he, eide of the.orange, where the
llrect rays of the sun aud the rays
effected by the sand unite; (2)
ext darkest where the rays reflect
ed by the saud strike; (3) where
he direct rays fall, and (4) lastly,
brightest where the fruit is entirely
'roteeted from the SUI by thc
oliaSe. .f.t.f
10. Trees with dark oranges usu-
lily have dark-green foliage indi.
ating an abundance of ammonia,
ne ut tue forms OF nitrogen.
16. Where yellow leaves are
ound on trees, Indicating a def
iency of nitrogens
II. The microscope reveals two
lasses of oil-cell-the one class
cry minute, apparently for this
of the essential oil.
ellis for tile deposit of the oil.
NoTE.-The dried peel is better
or microscopic examination than
he fresh aA l1asa
IS. The yellow peel abounds in
ssential oil; the bark is deficient.
10. Analysis Ofessentail oil SLOWS
en- parts of carbon and sixteen OF
ydrOgen.
70. When the fruit is entirely ripe,
nd the entire peel is colOred brown,
ne fruit is shrunken and soft; when
My part of the peel is dark, the
range is shruuken mostly on the
de which is brown.
81. The microscope, two hundred
double tube, reveals,no
ngoid, but "a THU lamina, or dark,
ly coating upon the epidermis.
90. Several trees bad been
the mulchirg was re,nov-
during the summer and the
ound under one of the trees oul-
rated. The fruit from the culti-
ted tree was rusty; the other was
ight.
Now, that system of theories
lich will Re consistent with itself,
-. A. =. N n T..