3. :Introduction
Abamectin is a new crop-livestock amphibious
antibiotic and an excellent antibiotic insecticide, miticide
，with high biological activity to a variety of crops and
pest mites, It has a broad-spectrum, high efficiency, low
residual and safe for humans, animals and the
environment and so on. Because of its unique
mechanism of action, which can effectively control pests
and mites that have resistance to conventional
insecticide and acaricide.
4. Cont..
It’s one of the current ideal and comprehensive
pesticides. In addition to agricultural pest control, also
widely used in the treatment of a variety of internal and
external parasites of poultry disease, abamectin is an
efficient broad-spectrum and safe poultry insect
repellent, anthelmintic to nematodes, insects and mites.
5. Uses of abamectin:
abamectin insecticides currently used for the
production of multi-strain are natural strains screened
from nature, though after some mutagenesis alienation,
the level of gene product expression is restricted by
bacterial systems and self-regulation of toxin gene copy
number, still having constraints such as slow efficacy,
relatively narrow insecticide spectrum and poor stability.
6. Ivermectin and emamectin benzoate
Ivermectin and emamectin benzoate are the
upgraded products of avermectin. Ivermectin has lower
toxicity, mainly used in animals (its structure is more
stable, and it’s also the world’s largest-selling avermectin
series).
7. Cont..
Emamectin benzoate activity is much higher
(stomach toxicity is 2146 times as avermectin) and it has
for exhibit an extremely high activity to lepidopteran
pests (avermectin has a poor effect on prodenia litura
while emamectin benzoate has a special effect on
spodoptera), which is the difference between them. To
sum up: avermectin is an almost can be used for all crops
to provide an ideal effect on almost all pests ideal while
emamectin benzoate is a similar agent with a
significantly higher activity.
8. Mode of action :
Abamectin has contact toxicity, but its stomach
toxicity activity is better than the contact toxicity. After
2-3 days of spraying abamectin, its insecticidal efficacy
will be best and the longevity of residues will last about
7-15 days. Although it has no ovicidal action, it can
permeate the internal leaves and kill the leaf larvae that
hide in the internal leaves and also prevent the newborn
larvae from sneaking into the leaves. Besides, it can
reduce appetite and egg amount of female adult that
contact with the liquid on the blade .
9. Applications of abamectine :
The current status of their applications is
reflected in three aspects:
First: the product is still the focus drug for integrated
rice pests control, mainly applied to rice leaf roller,
because of good activity to chilo suppressalis and
tryporyza incertulas, making it get largely applied in a
large practical borers prevention; meanwhile, it also has
a good control effect when the dose is increased to 100
ml per acre or more. Therefore, the industry called it
biological methamidophos.
10. Cont..
Second: the application of prevention and treatment
has met challenges, that the initial avermectin’s
application of prevention and treatment is shrinking,
such as citrus rust mites, pear psylla, diamondback
moth, red spiders on other various crops, primarily is
due to the unreasonable application of technology, the
lagging formulation development, the increased drug
resistance and the continuous development of
alternatives and so on.
11. Cont..
Third: new application fields are being developed, such
as root-knot nematode, pine wood nematode, but there
is a big lag on various aspects of formulation, application
techniques, theoretical guidance, even violation of the
basic concept of prevention and treatment on vegetables
and fruit trees root knot nematodes disease.
