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| Content Provider | Springer Nature Link |
|---|---|
| Author | D’Addabbo, T. Carbonara, T. Leonetti, P. Radicci, V. Tava, A. Avato, P. |
| Copyright Year | 2010 |
| Abstract | Medicago sativa L., alfalfa, is the most known plant species within the Medicago genus. The plant has been extensively studied for its content of saponins, mainly consisting of triterpene glycosides of medicagenic acid, possessing several biological properties including a biocidal activity on different soil microorganisms. Phytoparasitic nematodes are responsible for heavy economic damages to numerous agricultural crops and, due to their large distribution, they are among the most difficult crop pests to control. Attention on environmental safety and human and animal health has led to the progressive dismission of many synthetic formulations for the control of those pests and to the search of alternative strategies, including the use of natural metabolites from plants. Saponins from M. sativa may be good candidates for natural nematicide formulations, as in our in vitro studies the saponin mixtures from M. sativa tissues have been found effective in vitro against the virus-vector nematode Xiphinema index, the root-knot nematode Meloidogyne incognita and the potato cyst parasite, Globodera rostochiensis. A structure–activity relationship among saponins and related prosapogenins and sapogenin, respectively, has also been analyzed. The nematicidal efficacy differed among the three assayed nematode species, G. rostochiensis being the most susceptible to the active compounds from alfalfa. The in vitro results were also confirmed by experiments in potting mixes infested by M. incognita or G. rostochiensis and amended with dry top and root material from M. sativa, and in field trials on M. incognita and carrot cyst nematode Heterodera carotae with M. sativa pelleted meal. All amendments reduced root and soil population densities of target nematode species compared to non-treated and chemical controls, with a general improvement of plant growth and yield performances. |
| Starting Page | 503 |
| Ending Page | 519 |
| Page Count | 17 |
| File Format | |
| ISSN | 15687767 |
| Journal | Phytochemistry Reviews |
| Volume Number | 10 |
| Issue Number | 4 |
| e-ISSN | 1572980X |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2010-04-30 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Alfalfa Biocide Medicagenic acid Phytoparasite nematodes Sapogenins Plant Genetics & Genomics Plant Sciences Chemistry/Food Science Organic Chemistry Biochemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Biotechnology |
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