Page 13 - Natural Pesticides PDF Flipbook

;
Ar
Oguh et al.; AJBGE, 2(3): 1-18, 2019; Article no.AJBGE.53356
ticle
no.

of course, detrimental to the organism. The
g

o f cour s e , d e tr im e n ta l to the organ i s m. Th e fungicides are active only as a coating on the e

th
a
c
n
n
oa
as
o

ti
urf
f
the
s
o
ace
ot

n
do
a

s
nd
nervous system is sensitive to these changes

plant
n e r v o u s s y ste m is sen si t i v e t o these changes surface of the plants and do not fight back
row
lan
g
.
b e c a u s e glut amic acid i s a n im p o rtan t transmitt er growing mycelia inside the plant tissue.
because glutamic acid is an important transmitter
t t
e
p
n
si
issu
elia i
c
y
in
t
he
g m
de

d
alle
g
ta
minergic
l
u
substance in the so-called glutaminergic
c
ps

sy
y
d
r
t
rtan
um
ci
al
na
i
c
mpo
an
i
v
,

a
s
synapses, and calcium is a very important 3.9.1 Carboxin mode of action
s
e
e
t
mediator of the impulses. Furthermore, the halt
h
alt
he
lses

.
rmore,
Furthe
d
en
c
e
rg
Carboxin inhibit the dehydrogenation of succinic
o
y
aero
f
pr
b
i
u
c
h

of aerobic energy production is very harmful. C arboxi n i nh ibit th e d eh y d r oge n a ti o n of suc c i nic
y
r
ion
a
t
mful.
s ve
i
r
o
a c id t o f u mar ic aci d , an i mp o r t a n t st e p in t he
acid to fumaric acid, an important step in the
o
ici
t
o
x
e.
animals

Th
t

y
3.9 Carboxin tricarboxylic acid cycle. The toxicity to animals
t
e

a n d pl a n t s i s lo w in s p it e o f this ve r y f u n d a me nt al
and plants is low in spite of this very fundamental
id
fu
es
ngic
e
C arbo x i n i s a s y stem ic p e s ti c i de i s taken u p b y mode of action. The fungicides in this group are
Carboxin is a systemic pesticide is taken up by
d
t
up

e

o
g
r
s
mo
h
i
i
act
r
in
on.
f
a
o
The

ma
r
c
o
a
t
y
ic
ic

l
box
nd
m
ay
te
cts
a
l
sucki
ng

k
il
o
r
g
an
t the organism it protects and may kill sucking anilides of unsaturated or aromatic carboxylic
he
o
it
p
r
i
s
m
n
un
sat
urat
a
s
lide
i
of

or
a
d
e
r
aphids or the growing fungal hyphae. The older
a p h ids o r the gro wing fun g a l h y ph a e . T h e old er acids.

em
ne

ps in
e
n
reparatio
p
4. St
Fig. 4. Steps in preparation of neem seed solution
Fi
g
of
.

12