Tabor City tribune. (Tabor City, N.C.) 1946-1991, 1952-08-13
TOBACCO INFESTED WITH R00T
ROT, SAYS COUNTY AGENT

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survey of tobacco fields all
,. columbus County for the
49,, 49,, rhree weeks has shown that
49,, .,,3ioritv OF tobacco fields are
...,..,i with Root Knot-known
Bis Root and this is causing
,>.;~,si Yields and lower quality
.,,,,,o. Root Knot is caused by
~, microscopic eelwormS or
,.,.,, .oSeS who obtain their ivli-
",,, hv feeding on the roots OF
..,...,N ana a wide variety OF
..-,.r plants and live over in the
~. IRON, wear to year. 95Ft of the
-..r:S inspected during the past
..~s, weeks have shown this di-
...,, and it is imperative. if Co.
r.o,au< County farmers continue
=, GROW sood quality tobacco, that
.-.s disease be controlled.
When Nematodes pierce the root
issues and begin feeding. the
.,.,-s develop abnormal swellings,
,~ calls: the flow of sap in the
mis- 5 retarded which weakens
-. p.an. ana trequeStly stunts
e.. ..aHt and frequently stunts
.-..- % yellow color with excess
g.. ..:,..ns on hot dry days and
-.,.,,..,,re ripening. This disease
..~ reduce the yield 3 to 400
Sounds ser acre without too no
e.. De effect: however, when the
-...s.a IS greater than 3 to 400
.....~.:< Der acre the result is very
"a-,saole.
Control: lN As soon as the tips
--. .,.vsS:ad. cut the stalks and
.,..,.- 49,. ne roots so that as much
- .>e 90. system as possible is
.>~r>aE . sunlight and air. This
.,-..-..a MI destroy large num-
~. n ne NematodeS. The sooner
ne zoos are turned out the more
ss.-.,.,e the practice will be. (2)
:? .. small grain il the infested
..s elmer winter cover or for
-s-->- ana set up a rotation
v--a carries root knot resistant
....S and avoid continuous tobac-
G.. 9n fields that are heavily in
.-,-e6 and where adequate rota-
..-- las not and cannot be prac-
lied. such fields should be fuml-
-...t n order to control this di-
r. selecting crops for use in ro-
:z..1r TO control Root Knot IN
....--o. careful consideration
s~g,.G De given to the resistance
: susceptibility OF those plants to
2c.. Knot or Big Root disease.
= following crops may increase
?5a- Nr0c anG should not be con-
S.1=red in a tobacco rotation
where his disease is problem:
s~-..t not be considered in to-
.a--0 rotation where this disease
5 q problem: Austrian Winter
y=aS. Lespedeza. Clover, Cow peas,
s5-.aanS. and most vegetable
cc5@s-:ncluding Sweet Potatoes,
rs Potatoes. Peppers, Beans
a-t Tomatoes. Crops that are re-
SS--3. 70 Root Knot and suitable
:" -5,acioH to reduce big root are:
Gas. RE. Wheat, Crotalaria, Pea
@-,s. Red Top Grass and any ma
- leeds. Cotton or corn can be
-sec n & three year rotation pro-
".tac these crops do not immedi-
a,e." precede tobacco.
When using resistant legume
crops in the rotation, growers
".a- hare 20 reduce the amount OF
nitrogen in the tobacco fertilizer
- aeSt quality in the heavier
So. c"pes.)
:, ,hree year rotations cannot
D c1o"eniently followed. use re-
ss,a1t crops in a two year rota-
30. always using winter crop
Or snail grain.
Don, expect full benefits in
%.so,y infested fields with one
completed rotation. Continue rota-
lions Indefinitely to aid in keep
~5 down all diseases. For bes1
2eI,o~Cance of the rotation crops
Is believed that the resistant
crops Used in the rotation should
Dc AIRED from time to time.
SOIL FUMIGATION
"aeSe fields are highly infested
",,2 nematodes and suitable rota-
ions cannot be followed, growers
should consider soil fumigatlor
WIN one of the recommended
-"enlcalS such as ethylene dibro-
"1'e or dichloropropene- dichlor-
''Eo9aoe at a cost of S35-S40 pei
acre Tor the material. Fumigateo
>'"S at MCCullers Branch Station
,'o'e produced 400 lbs. more to-
I'cco toan untreated soils. Use
use Materials on only part Of
-'s acreage until the effects Of
Teatments in the particular
-5"9 can be determined. Services