Presence survival spores of Bacillus thuringiensis varieties in grain warehouse
Genus Bacillus thuringiensis (Bt) synthesized spores and crystals toxic to pest-insects in agriculture. Bt is comospolitan then possible to isolate some subspecies or varieties from warehouse. The aims of study were: i) to isolate Bt varieties from grain at werehouse ii) to evaluate Bt toxicity on...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | Spanish |
| Published: |
Selva Andina Research Society
2016-08-01
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| Series: | Journal of the Selva Andina Research Society |
| Subjects: | |
| Online Access: | http://www.scielo.org.bo/scielo.php?script=sci_arttext&pid=S2072-92942016000200002&lng=pt&nrm=iso&tlng=es |
| Summary: | Genus Bacillus thuringiensis (Bt) synthesized spores and crystals toxic to pest-insects in agriculture. Bt is comospolitan then possible to isolate some subspecies or varieties from warehouse. The aims of study were: i) to isolate Bt varieties from grain at werehouse ii) to evaluate Bt toxicity on Spodoptera frugiperda and Shit-ophilus zeamaisese iii) to analyze Bt spores persistence in Zea mays grains at werehouse compared to same Bt on grains exposed to sun radiation. Results showed that at werehouse were recovered more than one variety of Bt spores. According to each isolate Bt1 o Bt2 were toxic to S. frugiperda or S. zeamaisese. One those Bt belong to var morrisoni. At werehouse these spores on Z. mays grains surviving more time, while the same spores exposed to boicide sun radiation they died. |
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| ISSN: | 2072-9294 2072-9308 |