Researchers:
Bermejo, Aldin M.
Montante, Samboy Jim B.
Peneyra, Rona Moneth M.
Venus Angeline Baldonaza
Shanelli Deviterbo
Research Adviser:
Ma. Regaele A. Olarte
1st Place Winning Entry in the Divison, Regional, and National Levels
Candidate to the INTERNATIONAL Delegation Team for ISEF 2012-2013
Abstract
One of the reasons for rice shortage in the country is pest infestation,
specifically, by Rice Black Bug. The researchers were challenged to come up with
another method of combating Rice Black Bugs in the rice field, without altering
the balance of nature. Upon seeking ways to exterminate these unwanted pests,
the researchers investigated the exterminating property of Cane Toad (Bufo marinus) crude extract against
Rice Black Bug. The pesticide was derived from the extraction
of the 22.5 grams of crude extract. The following experimental set-ups had been
made: 30% crude extract and 70% corn oil solution (0.3
grams of crude extract and 0.7grams corn oil solution); 50% crude extract and
50% corn oil solution (0.5 grams of crude extract and 0.5 grams corn oil
solution); 70% crude extract and 30% corn oil solution (0.7 grams of crude extract
and 0.3 grams corn oil solution.); and 100% crude extract (1 gram of crude
extract). Using the different concentrations, the effectiveness was tested to the
Rice Black Bug (Scotinophara coarctata),
in terms of mortality rate. T- test showed that there was no significant
difference between the experimental product and the commercial bug killer in
terms of the pest’s mortality rate, at 0.05 level of significance. The results
of experimentation and data analysis showed that the experimental product was
just as effective as the commercial bug killer in eradicating pests. Thus, the organic pesticide obtained from Cane Toad (Bufo marinus) crude extract could be an
alternative to the commercial bug killer.
where can we find or purchase cane toads?
ReplyDeleteYou can purchase it from UPLB Institute of Biology.
ReplyDeletewhat were your methods? :)
ReplyDeleteWhere can we find the Rice Black Bugs? And also if we were to purchase Cane Toads at UPLB where is the exact place that we have to go to?
ReplyDeleteCan we ask for your number? We just want to inquire about your research and we really need your help. Hope this could reach you.
ReplyDeleteHow did you extract the crude from the cane toads? Will this extraction kill the frog? How did you conduct the study? I just want to base my Research methods to yours so I really need your help. Thank you!
ReplyDeleteHow did you do in your experimentation. I mean how did you make a pesticide out of it?
ReplyDeleteFull doc. please
ReplyDeletesndsgnd@gmail.com
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ReplyDeleteThanks, Busarakham.
what are the different laboratory techniques/assays used in the research?
ReplyDelete