Bacillus thuringiensis (B.t.) is a
naturally-occurring soil bacterium that resolves into poisonous
proteins in pest¡¯s alkaline midgut, corrode its intestines wall
cell organize, destroy intestines membrane, and enter the lymphoid
tissue of blood, at last, the pests die of hunger or appear
septicaemia. B.t. is considered ideal for pest control because of
its high effect, safty and no residue, with significant control
effect on more than 30 kinds of pests in the agricultural, woods,
fruit tree and scale wing eye pests of ornamental plant.
Especially ideal to non-pollution vegetable plant, afforestation
area, the natural forest reserve and the manufacture base of the
high quality grain and cotton. Long time used, it can not only
make good economic benefits and social benefits, but also can make
good ecological benefits.
formunations of kernel Bt:
(1) 8000IU/¦Ìl
SC; (2)12000IU/¦Ìl
SC;
(3) 16000IU/mg WP; (4)32000IU/mg
WP; (5) 50000IU/mg TP ;
dosage and method of Application:
|
Target
pests |
Applying
dosage |
Applying
time |
Method
of
use |
¡¡ |
|
12000
IU/ul SL |
16000
IU/mg WP |
32000
IU/mg WP |
|
Cabbage
lopper, rice leaf roller, geometrid and so on |
50-75 |
25 |
12.5 |
At
the best incubating time or their 1-2 generations |
Diluted
with
50kg
water,
spraying |
¡¡ |
|
Diamondback
moth, pine caterpillar, common tobacco worm |
75-100 |
40 |
20 |
|
Cotton
boll worm
rice stem borer |
75-100 |
50 |
25 |
Pouring
with
fine
sand |
¡¡ |
|
Corn
borer |
75 |
40 |
20 |
¡¡
Caution:
1.high dangerous to
silkworm.
2.Do not use together with alkaline pesticide or fungicide.
