This study aims to investigate the effects of inoculation using Terfezia boudieri Chatin ascospores (ectomycorrhizal fungus) on growth, root colonization and nutrient status of Helianthemum sessiliflorum Desf. seedlings grown in pots on two-soil types (gypseous and sandy loam). Mycorrhizal seedlings had significantly increased their height and leaf number compared to non-mycorrhizal ones. Regardless of mycorrhizal inoculation treatments, the plants growing on gypseous soil showed higher growth as compared to sandy loam one. It appears that inoculation with T. boudieri changed root morphology, increasing branching of first-order lateral roots of H. sessiliflorum seedlings. The highest root mycorrhizal colonization was recorded in inoculated seedlings on sandy loam soil (89%) when compared to gypseous one (52%). N, P and K concentrations in mycorrhizal seedlings were significantly improved by fungal inoculation. It can be concluded that inoculation of H. sessiliflorum with T. boudieri increased growth attributes and improved plant nutritional status.
This study aims to investigate the effects of inoculation using Terfezia boudieri Chatinpan> ascospores (ectomycorrhizal funpan>gus) on growth, root colonization anpan>d nutrienpan>t status of Helianpan>themum sessiliflorum Desf. seedlinpan>gs grownpan> inpan> pots on two-soil types (gypseous anpan>d sanpan>dy loam). Mycorrhizal seedlinpan>gs had significanpan>tly inpan>creased their height anpan>d leaf number compared to non-mycorrhizal ones. Regardless of mycorrhizal inpan>oculation treatmenpan>ts, the planpan>ts growinpan>g on gypseous soil showed higher growth as compared to sanpan>dy loam one. It appears that inpan>oculation with pan> class="Species">T. boudieri changed root morphology, increasing branching of first-order lateral roots of H. sessiliflorum seedlings. The highest root mycorrhizal colonization was recorded in inoculated seedlings on sandy loam soil (89%) when compared to gypseous one (52%). N, P and K concentrations in mycorrhizal seedlings were significantly improved by fungal inoculation. It can be concluded that inoculation of H. sessiliflorum with T. boudieri increased growth attributes and improved plant nutritional status.
Entities:
Keywords:
Growth; Helianthemum sessiliflorum; Mineral nutrition; Mycorrhizae; Terfezia boudieri; Tunisia
Authors: H Dupré de Boulois; E J Joner; C Leyval; I Jakobsen; B D Chen; P Roos; Y Thiry; G Rufyikiri; B Delvaux; S Declerck Journal: J Environ Radioact Date: 2007-12-04 Impact factor: 2.674