Abstract:
:We investigated the influence of tilling, N fertilization and crop stage on arbuscular mycorrhizae (AM) fungal species diversity in a wheat monoculture in the Pampa region of Argentina. Glomalean spores were isolated by wet sieving and decanting from conventionally tilled and nontilled soils cropped with wheat with or without N fertilization, at three phenological stages of the crop (tilling, flowering and grain filling) and fallow. Morphological characterization yielded at least 24 AM fungi taxa in the field samples, belonging to six genera of AMF: Acaulospora Archaeospora, Entrophospora, Gigaspora, Glomus and Scutellospora. Tilling and fertilization treatments did not result in decreased spore biodiversity. Wheat phenology influenced AM communities, with highest spore biodiversity during grain filling.
journal_name
Mycologiajournal_title
Mycologiaauthors
Schalamuk S,Velazquez S,Chidichimo H,Cabello Mdoi
10.3852/mycologia.98.1.16subject
Has Abstractpub_date
2006-01-01 00:00:00pages
16-22issue
1eissn
0027-5514issn
1557-2536journal_volume
98pub_type
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