Record ID No. |
1433 |
Author(s) |
Morone I., Ruta C., Tagarelli A., Marzi V. , 2004 |
Affiliation |
Dipartimento di Scienze delle Produzioni vegetali, University of Bari, Via Amendola 165/a, 70126 Bari, Italy. |
Title |
The influence of mineral and organic fertilization on the survival of mycorrhiza in artichoke roots |
Source. Vol.(no):Page |
Acta Horticulturae. (660): 429-434p. |
Categories |
Arbuscular Mycorrhiza |
Subjects |
Soil plant relations |
Sub-subjects |
Tissue Culture |
Host |
Cynara cardunculus var. scolymus |
Organism |
Glomus |
Country |
Italy, Europe |
Abstracts |
To confirm the efficiency of mycorrhiza treatment, a comparison was made in the field (Bari, Italy) to evaluate the validity of this technique against the traditional planting methods used for artichoke (Cynara cardunculus var. scolymus [C. scolymus] cv. Locale di Mola) beds from offshoots. In this first year, the growth rate and harvest levels were considered and an analysis of the root morphology was carried out to determine the presence of roots with mycorrhizal (Glomus sp. strain 6) associations and the number of spores present in the soil. The high survival rate of the micropropagated and mycorrhiza materials showed the efficiency of the production methods of the plantlets transplanted in the field already with well-developed roots. This efficiency was due to the presence of mycorrhizal infection. Mycorrhizas positively affected plant growth in the field, increasing the leaf number significantly compared to the control plants. The yield data confirmed the excellent results of the artichoke bed with mycorrhiza plants for both earliness of the harvest at the end of March and for more heads per plant compared with the traditional offshoot plants. Six months after transplanting, the mineral-treated plants completely lost the infection while organically-treated plants showed hyphae and vesicles. Spore number was counted to confirm this and mineral-treated plants recorded only half the spores. The results show how the mycorrhiza inoculum acted favourably on the growth and in-field productive behaviour of micropropagated artichoke plantlets. |