| The different biotypes can only be identified by the feeding damage they cause to different varieties of sorghum or other species of plants. |
| The fact that the effect of iron was similar on El Tor and classical biotypes indicates that these two biotypes may have an identical iron uptake mechanism. |
| Marie O'Shea provides holistic therapies and spiritual healing, Master Chef Dolores Roberts deals with biotypes and nutrition. |
| Resistance also has been discovered within biotypes of the weeds marestail and ryegrass. |
| Also, four breeding lines of winter barley and three feed barleys set to be released within the next few years show resistance to both aphid biotypes. |
| The genetic differentiation into winter and summer annual biotypes in grain lupin and pennycress is also known to be under the control of one or two genes. |
