| Resistance also has been discovered within biotypes of the weeds marestail and ryegrass. |
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| Marie O'Shea provides holistic therapies and spiritual healing, Master Chef Dolores Roberts deals with biotypes and nutrition. |
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| The different biotypes can only be identified by the feeding damage they cause to different varieties of sorghum or other species of plants. |
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| 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. |
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| 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. |
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| 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. |
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| Among phenotypic traits distinguishing the 2 biotypes, sensitivity to polymyxin B is considered a reliable indicator and stable phenotype for biotyping. |
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| Comparative studies of monoecious and dioecious hydrilla biotypes. |
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