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ef
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uitg
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owe
r
.co.uk
ThE FrUITGrOWEr • FEbrUAry2017
ASolufeed-funded t
r
ial at NIAbEMr, EastMalling, Kent,
supe
r
vised
by
independent consultant Susieholmes,
h
as
evaluated t
h
e
b
eneficial effects of ga
r
lic-ext
r
act-
b
ased
p
r
oducts on st
r
aw
b
e
rry
plants.
T
h
e t
r
ial assessed t
h
e effects of Ant
hy
llis™ on t
h
emitigation
of mildew (
Erysiphaceae spp
) andplant vigou
r
, applied via
i
rr
igationwate
r
, and folia
r
sp
r
a
y
s of Ga
rb
e
rry
™ and
Ga
r
s
h
ield™. All t
hr
ee p
r
oductswe
r
e developed
by
Aston
ho
r
ticultu
r
e and a
r
e nowpa
r
t of t
h
eSolufeedpo
r
tfolio and a
r
e
app
r
oved
by
t
h
eSoil Association.
Du
r
ing t
h
eweek commencing29August 2016,
y
oung
Elsanta st
r
aw
b
e
rry
plantswe
r
e planted into coi
r b
ags at 10
plants pe
r b
ag, on
b
enc
h
es in a glass
h
ouse and
r
eplicated fou
r
b
ags pe
r
t
r
eatment. T
h
e plantswe
r
e g
r
own fo
r
nineweeks
unde
r
t
r
ickle i
rr
igation using a standa
r
d st
r
aw
b
e
rry
liquid feed.
Final assessmentswe
r
emade du
r
ing t
h
eweek commencing
31Octo
b
e
r
. Susie sco
r
edplant vigou
r
andmildew levels on a
scale of 1 to10, 1
b
eingpoo
r
and 10 excellent. Plants infected
wit
h
mildewwe
r
e int
r
oduced at t
h
e sta
r
t of t
h
e t
r
ial.
b
y
t
h
eweek commencing 12Septem
b
e
r
mildewwas
r
eco
r
ded on t
h
e unt
r
eated cont
r
ol plants, and
by
t
h
e
completion of t
h
e t
r
ial t
h
e
r
ewas some leaf cu
r
ling and
evidence of powde
ry
mildew on t
h
e leaves. On t
h
eAnt
hy
llis-
t
r
eatedplants ve
ry
low levels of mildewwe
r
e
r
eco
r
ded
b
ut
nonewas evident on plants t
r
eatedwit
h
t
h
e folia
r
sp
r
a
y
s
Ga
rb
e
rry
o
r
Ga
r
s
h
ield.
8
Ga
r
lic-
b
asedp
r
oducts tested on st
r
aw
b
e
rry
plants
Treatment Description
Mildew
A
Control
Mildew first noted inweek 37.
Byweek 44moderatemildew
damage seen - leaf curling
andpowderymildewon leaves.
B
Anthyllis
Very low level of mildew.
C
Garberry
Nomildewevident.
D
Garshield
Nomildewevident.
Table 1: Diseaseoccurrence:
Table 2: Vigour scores (1-10):
Treatment Description
27/9/16
1/11/16
A
Control
4.5
4.6
B
Anthyllis
5.8
6.1
C
Garberry
5.3
5.8
D
Garshield
7.8
8.2
Vigou
r
was sco
r
ed on 27Septem
b
e
r
and again on 1Novem
b
e
r
. he
r
e, t
h
e
diffe
r
ences
b
etween t
r
eatmentswas significant wit
h
plants t
r
eatedwit
h
Garshield
p
r
oducing t
h
emost vigo
r
ous plants.
All t
hr
eeAston ga
r
lic p
r
oductswe
r
e effective inmitigating t
h
e effects of mildew
infection, wit
h
Garshield
p
r
oviding t
h
e
b
est vigou
r
imp
r
ovement of mo
r
e t
h
an 50%.
Dickholden, ManagingDi
r
ecto
r
of Solufeed said, “T
h
e ga
r
lic p
r
oducts used in
t
h
e t
r
ial all contain
h
ig
h
qualit
y
ga
r
lic ext
r
act, all a
r
e full
y b
iodeg
r
ada
b
le and,
b
eing
app
r
oved
by
t
h
eSoil Association, a
r
e suita
b
le fo
r
use in o
r
ganic p
r
oduction.
Ga
r
s
h
ield is odou
r
less soon afte
r
application andwill not taint o
r
effect f
r
uit
flavou
r
.”
