Tests of genetically modified organisms would be allowed in the city only on condition these are done in a “strictly confined environment.” [...] In a forum, city agriculturist Leonardo Avila III said the city government would allow tests of Bt talong only in laboratories using pollen tents and wire mesh with very small holes to prevent the accidental release of pollen into the air or soil. “We want them to really put up the infrastructures where the mesh could not even allow pollen or bees to get inside,” he said.