Study on the vesicular-arbuscular mycorrhiza of three cultivars of potato (Solanum tuberosum L.) |
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Authors: | Indira D Bhattarai R R Mishra |
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Institution: | (1) Department of Botany, School of Life Sciences, North-Eastern Hill University, 793 014 Shillong, India |
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Abstract: | Summary The establishment and development of vesicular-arbuscular mycorrhizal (VAM) fungi were studied in three cultivars of potato, which differed in susceptibility to Late blight, in a field experiment on a lateritic sandy-loam during two growing seasons (1980 and 1981). The cultivars SSC 1174 (highly resistant) and Kufri Jyoti (resistant) showed an earlier establishment and more rapid development of VAM fungi than up-to-date (highly susceptible). The first mycorrhizal infection in both SSC 1174 and Kufri Jyoti was observed after 12 days in 1980 and 8 days in 1981, whereas in up-to-date it was observed after 19 and 12 days respectively. The mycorrhizal infection increased with the age of the plants in all the three cultivars. |
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Keywords: | Potato cultivars Spore formation VA-mycorrhiza |
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