作者: Mayra E. Gavito , Murray H. Miller
关键词:
摘要: We selected three crop production practices; rotation, tillage and phosphorus fertilization, all known to affect arbuscular mycorrhiza (AM) development, study early AM intraradical colonization in maize. Half of the plots were planted during first year with either a host (maize, Zea mays L.) or non-host (canola, Brassica napus crop, them maize for second year. Tillage P fertilization treatments applied Mycorrhiza development was measured pot culture bioassays conducted before planting after harvest previous subsequent crops, field season. Previous cropping soil canola (Brassica L.), plant species, delayed bioassay that comparison cycle (Zea original species site, bromegrass (Bromus inermis Leys.) alfalfa (Medicago sativa L.). The delay also observed samples taken from bioassay, both at beginning cycle. had, on average, little effect bioassays. Phosphorus had field. Crop rotation strongest practices studied.