Smyrna times., 1927-04-20
Ill{FUL OF BIG GRAPE CROP
u NTIlRDS ARE BEING SPRAYED
.,rpya vINEYARDISTS AND
= sravRS IN COUNTY ARE BUSY

: wilson, Kent County Agent, CO-
= b,oting With Vineyardists on the
Csn,rol Of Diseases and Spraying
c,,rna grape culturists are prepar-
u e. Biz crop Of grapes this sea-
y Tba same can be said Of the
" =. crane belt in Kent County. The
IA u Development Of the new growth
II IL grape vineyards within the past
= ueeks. as a result of the several
y s:oJs Of warm weather, has caused
1. growers to give special attention
.Ss carly APPLICATIONS of the Borde-
y .nray for the control of black rot,
= srscnose. 70 dead arm, bitter rot and
=, hIngous diseases which attack
\. eron in this area. Spray notices
.,,t.ining the complete spray pro-
am for the coming season have
~ mailed recently from the Office
Kent County Agent Russell EVIL
! i the one hundred and sixty
rrmercial grape growers who have
~ receiving this spray service for
u nast few wears. AS the result of
i5oratory experiments and field OBJ
srations in addition to the disease
rr+nl demonstrations which have
.sr conducted in Kent county during
i. ras+ FIVE years under the direction
IN T. F. Manns, Pathologist of the
TIavare Experiment Station, in CO.
msntion with County Agent Wilson,
mrsusive evidence has been obtained
h regard to the Importance of the
.Jv auplications of Bordeaux in the
mtrol Of these various fungous dis
ugs. Since these grape diseases are
arsd from one season to the other
m nhs canes which are tied up, this
yrs Of infection on the new wood
snEn as the "caTry-over" which
fxs his new growth on the first
yr nternodes before the cane is
fahhes long. 1t is of greatest i'm
mace, therefore, that this new
nRh be thoroughly covered with
+ lie Bordeaux spray at the time when
4@ disease spores are ready to de-
gOp and disseminate. This first
pray is applied when the new growth
Il from one-half to three-fourths of
n d inch in length, and consists Of a
1850 strength of Bordeaux mixture.
8This formula calls for 6 pounds of
#Upper sulphate, s pounds of hydrated
Y lime and 50 gallons Of water. The
Second APPLICATION is recommended
a when the growth has reached a length
u y from five to eight inches, and for
1 his spray the growers use the $3.50
I 1mula Of Bordeaux in those power
I Zthts equipped with spray guns, and
+4-5O mixture in those sprayers
I lefated by traction power. The next
lplcatlOn, which is known as the
asOOssOm spray, is one of the most
1pOrtant in the prevention of spread
black rot, and should be applied
~ as close to the blossoming period
possible. Bordeaux mixture of the
2ne strength as recommended for
second spray is used for this ap-
l4aIlOn. Al a control for the first
i'd Of the berry moth, however, it
dvsable to add 1la pounds Of ar
aaie Of lead to each fifty gallons Of
fay material, and if leaf hoppers
4 PREVALENT one pint Of 40 per cent
9.ne sulphate should also be added
ms particular time. The after
som spray is another very essen
APPLICATION for the complete CON
y OF black rot and anthracnose, as
y ss the berry moth, rose bug and
noppers. The $3.50 Bordeaux is
as recommended in the two
Va sprays, with one pint of cheap
4Ssees added to each fifty gallons
pray material for the control of
rose bugs especially. The fifth
=! Is advised at the time the
.pss are the size of peas, which is
u, -ss,faily about two weeks after the
'oOSsom spray. The $3.50 Borde~
mixture, with are arsenate of
! : again used for this application
ne further eradication of these
Ious diseases and all insect troub-
moulding the root-worm. If wealth
.vuulIlons are favorable for the de-
NJ ~;plnent Of rot and mildew as the
i, Oeglns to ripen, it may be nee
my % apply later spray using
,',i1 asSs materials such as soda, am
+ NJ. aSal copper carbonate, or neutral
N acetate Although every eff
T ~. 4aS been made by Kent County
M ~ russell E. Wilson to include
NJ ~ Z! grape grower on the list to re-
H. HllS spray service, there may be
Il growers who are not receiving
p,v.u material, consequently these
rntn nS Should get in touch with the
u ~y ! extension office in Dover if
sson thls spray service each