Global Journal of Science Frontier Research, D: Agriculture and Veterinary, Volume 22 Issue 1

enhancing rhizobia, activity is through a generalized stimulation of plant nutrition, some more localized effects may occur at the root (Melo de Miranda et al ., 2008; Spagnoletti et al ., 2021). Table 1: Fungal colonization in forage species from the Central Valley of Catamarca Species Mycorrhizal Fungi Fungi ESO MC 1 (%) FAA 2 (%) FAV 3 (%) FAM 4 (%) Clover 89 47 20 15 Barley 89 17 15 15 Rye 83 27,7 16 13 Buffalograss 76,5 20 8 2 gatton panic 75,8 32 9,8 1,7 Oatmeal 75 10 12 4 1 (MC): Mycorrhizal colonization. 2 (FAA) Frequency of appearance of arbuscules. 3 (FAV): Frequency of appearance of vesicles. 4 (FAM): Frequency of appearance of microsclerotia of dark septate fungi. Figure 1: Photomicrographs of mycorrhizal structures in roots of forage species. (A: Clover; B: Barley; C: Rye). (a: Arbuscle; h: hyphae; v: Vesicle).(Magnification: 40x) Native Mycorrhizh-Forming Fungi Associated with Cultivated Forage Plants in the Central Valley of Catamarca, Argentina 1 Year 2022 3 © 2022 Global Journals Global Journal of Science Frontier Research Volume XXII Issue ersion I VI ( D )