| Even foods grown organically for many years have tested positive for genetic engineering due to cross-pollination. |
| Even with cross-pollination, Eldorado sometimes fails to bear and is not worth growing unless planted in a mixed vineyard. |
| One great potential danger was genetically modified wild plants gaining resistance to insect pests by cross-pollination. |
| The cross-pollination of cultures that is the goal of the festival was exemplified by the spectators themselves. |
| Also, unlike hybrid seeds like paddy and millet, in cottonseed, cross-pollination has to be done manually. |
| Many fruit trees require cross-pollination, making them unsuitable for small landscapes. |
