The spread of mycoplasma in tobacco (Nicotiana glauca GRAH.) -a symptomless carrier of potato witches’ broom disease |
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| Authors: | J Limberk Marie Ulrychová |
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| Institution: | 1. Department of Plant Pathology, Institute of Experimental Botany, Czechoslovak Academy of Sciences, Na Karlovce 1, 160 00, Praha 6, Czechoslovakia
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| Abstract: | The spread of mycoplasma causing potato witches’ broom disease from infectious grafts of both tomato and tobacco plants intoNicotiana glauca Grah. plants is much slower than that into tomato plants. An earlier infection inN. glauca stock plants appears when infectiousN. glauca grafts are used. On the other hand, the process of infection proceeds very slowly when using infectious tomato grafts and in some cases the infection is not realized even after three months of graft symbiosis. The authors suppose that mycoplasma has a preference for tomato plants. |
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