Another concern with respect to transgenic plants is the escape of the protective gene into other plant populations. There can be movement of genetic material through pollen transfer, seed dispersal, and vegetative reproduction. Consequently, it is possible for the transgenic plant to cross with its relatives in the wild and for their progeny to pick up engineered characteristics. Concern is especially great for those species whose pollen can be transported over long distances. Ultimately, beneficial organisms may be jeopardized.
Some researchers fear a wider ecological impact with transgenic trees.
In forests, damage to non- target organisms is a big concern, for we try to preserve the pristine forest ecosystem. Lepidoptera and parasitic wasps are host- specific and may be in danger if their host trees develop resistance. If these beneficials are destroyed, the results could devastate the forests because these beneficials are needed for pollination and for maintaining the balance of the forest's ecosystem. Yet another potential result of an escaping gene is the development of a super race of weeds with resistant qualities. The public tends to view food safety in terms of synthetic chemicals in our food and drinking water.