Thanks Dr.Gautam for the information.

Please quote the source of information about forty test species. I
feel that it is very less number as Zygogramma tested on forty
species has been released in nature having thousands of plant and
insect species of economical value. Why researchers have not tested
it on as much as possible species?

regards
Pankaj Oudhia

--- In IPRNG@..., GAUTAM RAM DASS <gautamjul@y...>
wrote:
>
>   Dear Pankaj.
>   In India, feeding of Zygogramma bicolorata in laboratoty under
quarantine conditions was done on 40 plant species. Out these, no
adult feeding oviposition or larval feeding were observed except on
Parthenium hysterophorus. Slight adult feeding was observed on niger
(Guizotia abyssinica) and jasmine (Jasminum grandiflorum). Hope,
other experts will also be responding. In case Australian position
remains unattnded, let me know I will get back to you after recovery
from my ill health in order to reply this part.
>   Wish you and IPRNG  family a prosperous year 2006
>   Regards
>
> Pankaj Oudhia <pankajoudhia@i...> wrote:
>   It should be but the reference literatures say that it has been
> tested on few plants. How we can get the number of test species?
Dr.
> K.A.Kulkarni or anyone from NRC weed science may have some data? I
am
> also waiting for responses from Australia.
>
> regards
> Pankaj Oudhia
>
> --- In IPRNG@..., "Dr. M. Mahadevappa"
> <mahadevrice@y...> wrote:
> >
> > I think it is done for all wildly growing plants and
systematically
> on cultivated crops. There are scientists who worked and would
> probablyl respond to this
> >   
> >   M mahadevappa
> > Pankaj Oudhia <pankajoudhia@i...> wrote:
> >   Dear Group Members,
> >     Yesterday I was delivering lecture on Parthenium among school
> boys.
> > During discussion on biocontrol I got question about the number
of
> > plant species on which Zygogramma beetles were tested before
> release in
> > Australia and India. Experts like Dr. Mahadevappa, Dr.Gautam and
> > Dr.Throp are with us in this group.
> >
> > Looking forward for replies.
> >
> > regards
> > Pankaj Oudhia 
> >
> >
> >
> >
> >
> >
> >  
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> --------------
> > Dr. M. Mahadevappa
> > Advisor, JSS Rural Dev. Foundation. Mysore - 570 004
> > Ex-Chairman, ASRB, Ex-Vice Chancellor UAS, Dharwad
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> Dr. R. D. GAUTAM,
> Principal Scientist
> Plant Health Clinic, Division of Entomology,
> Indian Agricultural Research Institute,
> New Delhi-110 012.
> Ph. 091-11-25842413 (H), 091-11-25842482 (Off.),Fax-91(11)
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