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- Title
AM 真菌增强孔雀草耐阴性的效应.
- Authors
邢红爽; 张一丹; 邢丽君; 李伟; 师长海; 郭绍霞
- Abstract
The influence of arbuscular mycorrhizal fungi (AMF) Claroideoglomus etunicatum, Funneliformis mosseae and Gigaspora margarita on shade tolerance of Tagetes patula plants were determined under the conditions of different light intensity (shading rates of 0%, 24%, 48%, 72%, 96%). Results showed that the tested AMF could colonize roots of T. patula to form typical arbuscular mycorrhiza, and the best infection effect was achieved by inoculating with F. mosseae under different shading treatments, and the strong light and weak light were unfavourable to the infection of AMF. Under shading rate of 24%, the growth of T. patula was the best. Compared with the control treatment (without inoculation), the plant height, stem thickness, total leaf area, root/shoot ratio, specific leaf weight, flower number and flower diameter of T. patula were significantly increased after inoculation of F. mosseae. Furthermore, florescence was prolonged and root activity, chlorophyll-a, chlorophyll-b, total chlorophyll and soluble sugar content were heightened, the content of proline and the light compensation point decreased, and the light saturation point and the largest photosynthetic rate increased. In conclusion, proper shading was beneficial to the growth and development of T. patula, and AMF could enhance the adaptability of T. patula to light, promote the growth and development, reduce the damage caused by weak light, and enhance shade-endurance of the plants. Inoculation of F. mosseae was proved to be the most effective.
- Subjects
VESICULAR-arbuscular mycorrhizas; LEAF area; PHOTOSYNTHETIC rates; LIGHT intensity; MARIGOLDS
- Publication
Mycosystema, 2020, Vol 39, Issue 5, p870
- ISSN
1672-6472
- Publication type
Article
- DOI
10.13346/j.mycosystema.190443