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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wu, Qiang Sheng Srivastava, A. K. Li, Yan |
| Copyright Year | 2015 |
| Abstract | The carbohydrate regulatory function of arbuscular mycorrhizal fungi (AMF), associated changes in root morphology, and substrate P level are important in the efficiency of AMF. A pot experiment was carried out to study the effects of AMF (Funneliformis mosseae) on growth response, root morphology, and sucrose metabolism of trifoliate orange [Poncirus trifoliata (L.) Raf.] seedlings under varying P substrate levels (0, 3, and 30 mM). Mycorrhizal inoculation stimulated growth performance, biomass production (root and shoot fresh weight), and various root morphological traits, regardless of substrate P level. AMF-induced sucrose accumulation in leaves was more highly positively correlated with leaf sucrose synthase (synthesis direction) activity in AMF than in non-AMF seedlings. Root glucose and fructose concentrations were significantly increased by AMF inoculation, independent of P level. Root colonization was more highly correlated with root glucose than with root fructose. AMF inoculation represented varied effects on activity of acid invertase and neutral invertase in leaves and roots at all the three P levels. These results indicated that AMF-accelerated better growth response and root morphological traits were independent of substrate P level, and AMF-induced sucrose cleavage was dependent on substrate P levels, plant tissue types, and sucrose-cleaving enzyme types. |
| Starting Page | 499 |
| Ending Page | 508 |
| Page Count | 10 |
| File Format | |
| ISSN | 07217595 |
| Journal | Journal of Plant Growth Regulation |
| Volume Number | 34 |
| Issue Number | 3 |
| e-ISSN | 14358107 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-02-19 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Arbuscular mycorrhiza Citrus Glucose Invertase Root morphology Sucrose Plant Sciences Plant Anatomy/Development Plant Physiology Agriculture |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Agronomy and Crop Science |
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