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| Content Provider | Springer Nature Link |
|---|---|
| Author | Billard, Vincent Etienne, Philippe Jannin, Laetitia Garnica, Maria Cruz, Florence Garcia Mina, José Maria Yvin, Jean Claude Ourry, Alain |
| Copyright Year | 2013 |
| Abstract | Different strategies, known as crop biofortification, can be used to increase micronutrient concentrations in harvested parts to reduce nutrient deficiencies in the human diet. Apart from fertilization and genetic selection, a more environmentally friendly, less expensive, and more immediate solution could rely on the use of biostimulants derived from natural materials. Two biostimulants, AZAL5 and HA7, which are derived from seaweed and black peat, respectively, have been previously described as promoting growth of Brassica napus and having a substantial effect on gene expression. They were further studied to evaluate their effects on N and S and a wide range of other nutrients (that is, K, Ca, P, Mg, Fe, Na, Mn, B, Si, Cu, and Zn). Providing these two biostimulants in the nutrient solution did not change the mineral supply significantly, but they mostly stimulated root growth and macronutrient uptake (N, S, K, and P) at a level similar to growth. Both biostimulants also stimulate chloroplast division. More surprisingly, they also increased Mg, Mn, Na, and Cu plant concentrations and root-to-shoot translocation of Fe and Zn. These observations were associated with an increased expression of a Cu transporter (COPT2) and NRAMP3, a gene putatively involved in Fe and Zn translocation. Overall, this study showed that specific nutrient balance and transport were stimulated by both biostimulants more significantly than growth, offering new perspectives for biofortification strategies. |
| Starting Page | 305 |
| Ending Page | 316 |
| Page Count | 12 |
| File Format | |
| ISSN | 07217595 |
| Journal | Journal of Plant Growth Regulation |
| Volume Number | 33 |
| Issue Number | 2 |
| e-ISSN | 14358107 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-09-26 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biostimulant Brassica napus Macronutrient Micronutrient Humic extract Seaweed extract 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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