The effect of vesicular-arbuscular mycorrhizae and chilling on two hybrids of Zea mays L. |
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| Authors: | Christiane Charest Yolande Dalpé Amanda Brown |
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| Affiliation: | (1) Department of Biology, University of Ottawa, P.O. Box 450, STNA, K1N 6N5 Ottawa, Ontario, Canada;(2) Centre for Land and Biological Resources Research, Agriculture Canada, William Saunders Building C.E.F., K1A 0C6 Ottawa, Ontario, Canada |
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| Abstract: | In order to investigate the effect of vesicular-arbuscular mycorrhizae on the chilling resistance of Zea mays, seeds of two hybrids (Pioneer 3902 and Pride 5) were grown in soil inoculated with Glomus mosseae. Germination tests at 10° C and 25° C showed that Pride 5 was more resistant to chilling than Pioneer 3902. Plants grown at 25° C for 6 weeks were given a 1-week chilling treatment at 10° C and the responses of mycorrhizal and nonmycorrhizal plants of the two hybrids were compared. At 10° C, the mycorrhizal plants had greater biomass, carbohydrate, and protein content than the nonmycorrhizal plants. |
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| Keywords: | Chilling Zea mays hybrids Glomus mosseae Germination Metabolites |
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