The watchman and southron. [volume] (Sumter, S.C.) 1881-1930, 1917-05-26

4oefs ars = number OF diseases
- Sauss injury to tomatoes. The
- pgtvsisnt and the most destruc-
Co. wAioh occur in this
III - me xiius. There are two
esont wnt Diseases which we fro.
ocn&l nsst In gardens and in fields
~frV tsaatess are grown. Probab-
~ - nIsse widssprsad and destruc-
~ 80 = . bacterial Wilt.
Aeessial WIT b readily recognized
tAe way that the disease affects
- yoaht The dissass begins with
- beavss ~ the top Of the plant or
81 ~ eads ee the branches. These
- leaves wilt first and the disease
+ o.eeuaiH works its way back until
- entirs plant willis and dies. The
peesee>a which cause this disease will
nvs = the water iucts and vessels
- ~ qesm and root and plug these
v>qDeb ~ 70 such an extent that the
saFcuIaAjoh y cut on. The disease is
sor>aA daring tho growing season by
~ sating insects and by bacteria
beine eafrisd BY the wind and water
from the old diseased plants to
healthy plants. When the disease
arse appears. the diseased plants
should b pulled up and burned. Az
. prsvsntivs measure the tomatoes
should bs sprayed with arsenats OF
lead at the rate or LIZ pound paste
or IA pound powdered arsenate OF
lsaA added TO ~ gallons of Bordeaux
nixturs.
The fungus wilt also causes disease
h9 PLUGGING MP che vessels and water
duets OF the stems and roots. but In
shb case the diseaso practically al
wayv starts In through the roots
from the soil and ehe lower leaves
and branches show signs Of the dis
sass frse The lower leaves will turn
ysliow and usually wilt moro gradual
" than where the plant In affected
with the bacterial wilt. Tho fungus
which causes this wilt will remain
alive In the soil for q number OF
years 90 that Il viii be necessary to
leave tomatoes OF tho land for i've OF
cir years. Spraying docs not seerr
30 help In controlling the fungus wilt
The diseased plants should be pulled
mp and burned and tho succeeding
crop should DO planted on land where
tomatoes have not been grown before
There are several other destructive
dissaseG Of tomato which occur on the
leaves. and young stems. These are
known - leaf spots or leaf blighti
and can be controlled by the appli
cation OF Bordeaux mixture. Wher,
these occur. Il Ia well to spray tn,
tomatoes one time while they are still
In the seed bed. Aftsr transplantini
they should bs sprayed every two ol
three weeks until tho majority o
the tomatoes arc ripe. This sam'
spray will prevent the fruit rots ant
u arssnate Of lead is added. II vii
tend 70 prevent the spread OF bacter
hl wiz. For this purpose we wouit
use Bordeaux mixture--1 pound cop
per sulphate or blue stone and 1
pound Of quick lime to IL gallons o.
water.
Another very serious trouble will
tomatoes h root knot. This Is recog
nissd by the knots or gals which ap
pear ON tho roots of the plant. Thes
knots are caused by q species Of 90
worm or nsmatode which is quit
common and widespread. The sam
species OF nematode causes root kno
on q great variety Of plants. Wher
this disease occurs. II will be neces
sary TO practice q rotation which wi
leave al Of the common garden vege
tables and all other crops. with tn
exception OF corn. small grain. an
the two resistant varieties Of cowpes
tho Iron ana the Brabham---ofr tn
land for two years. Where this
done. tomatoes can be- planted bac
on the land again. Zee Bureau Z
Plant Industry Bulletin at and oil