Distribution of arbuscular mycorrhizal fungi spores in soils of smallholder agroforestry and monocultural coffee systems in southwestern Ethiopia

Aga E, Bryngelsson T, Bekele E, Salomon B (2003) Genetic diversity of forest arabica coffee (Coffea arabica L.) in Ethiopia as revealed by random amplified polymorphic DNA (RAPD) Analysis. Hereditas 138:36–46 Asfaw Z (2003) Tree species diversity, topsoil conditions and arbuscular mycorrhizal association in the Sidama traditional agroforestry land use, southern Ethiopia. Doctoral dissertation. SLU, Acta Universitatis agriculturae Sueciae. Silvestria vol. 263 Brundrett M, Bougher N, Dell B, Grove T, Malajezuk N (1996) Working with Mycorrhizas in forestry and agriculture. Australian Centre International Agricultural Research, Canberra Cardoso IM, Boddington C, Janssen BH, Oenema O, Kuyper TW (2003) Distribution of mycorrhizal fungal spores in soils under agroforestry and monocultural coffee systems in Brazil. Agrofor Syst 58:33–43 Clapp JP, Young JPW, Merryweather JW, Fitter AH (1995) Diversity of fungal symbionts in arbuscular mycorrhizae from a natural community. New Phytol 87:259–265 Colozzi A, Cardoso EJBN (2000) Detection of arbuscular mycorrhizal fungi in roots of coffee plants and Crotalaria cultivated between rows. Pesqui Agropecu Bras 35:2033–2042 Cuenca G, Meneses E (1996) Diversity patterns of arbuscular mycorrhizal fungi associated with cacao in Venezuela. Plant Soil 183:315–322 Daniell TJ, Husband R, Fitter AH, Young JPW (2001) Molecular diversity of arbuscular mycorrhizal fungi colonising arable crops. FEMS Microbiol Ecol 36:203–209 Dubale P, Mikru Z (1994) Ecology and soils of major coffee growing regions of Ethiopia. In: Dubale P (ed) Mineral fertilization of coffee in Ethiopia. IAR, Addis Ababa Gole TW, Denich M, Teketay D, Vlek PLG (2002) Human impacts on Coffea arabica genetic pools in Ethiopia and the need for its in situ conservation. In: Rao R, Brown A, Jackson M (eds) Managing plant genetic diversity. CAB International, Wellingford, UK, pp 237–247 Graham JH (2001) What do root pathogens see in mycorrhizas? New Phytol 148:357–359 Guadarrama P, Álvarez-Sánches FJ (1999) Abundance of arbuscular mycorrhizal fungi spores in different environments in a tropical rain forest, Vera Cruz, Mexico. Mycorrhiza 8:267–270 Habte M, Bittenbender HC (1999) Reactions of coffee to soil solution P concentrations and arbuscular mycorrhizal colonization. J South Pacific Agric 16:29–34 He X, Pen-Mouratov S, Steinberger Y (2004) Research Note: Spatial variation of AM fungal spore numbers under canopies of Acacia raddiana. Arid Land Res Manage 18:295–299 Ho I (1987) Vesicular arbuscular mycorrhizae of halophytic grasses in the Alvard desert of Oregon. Northwest Sci 61:148–151 Höfner W (1987) Nährstoffstatus der Böden in den Kaffeeanbaugebieten Äthiopien. In: Matter HE, Westpal A (eds) 20 Jahre Agrarforschung des Tropeninstituts in Äthiopien. Äthiopen. Tropeninstitut, Giessen, pp 55–56 Hokka V, Mikola J, Vestberg M, Setälä H (2004) Interactive effects of defoliation and an AM fungus on plants and soil organisms in experimental legume-grass communities. Oikos 106:73–84 Jansa J, Mozafar A, Kuhn G, Anken T, Ruh R, Sanders IR, Frossard E (2003) Soil tillage affects the community structure of mycorrhizal fungi in maize roots. Ecol Appl 13:1164–1176 Kabir Z (2005) Tillage or no-tillage: Impact on mycorrhizae. Can J Plant Sci 85:23–29 Mårtensson AM, Rydberg I, Vestberg M (1998) Potential to improve transfer of nitrogen in intercropped systems by optimizing host–endophyte combinations. Plant Soil 205:57–66 Menéndez AB, Scervino JM, Godeas AM (2001) Arbuscular mycorrhizal populations associated with natural and cultivated vegetation on a site of Buenos Aires province, Argentina. Biol Fertil Soils 33:373–381 Muleta D, Assefa F, Nemomissa S, Granhall U (2007) Composition of coffee shade tree species and density of indigenous arbuscular mycorrhizal fungi (AMF) spores in Bonga natural coffee forest, southwestern Ethiopia. Fore Ecol Manage 241:145–154 Oehl F, Sieverding E, Ineichen K, Ris E, Boller T, Wiemken A (2005) Community structure of arbuscular mycorrhizal fungi at different soil depths in extensively and intensively managed agroecosystems. New Phytol 165:273–283 Oehl F, Sieverding E, Mäder P, Dubois D, Ineichen K, Boller T, Wiemken A (2004) Impact of long-term conventional and organic farming on the diversity of arbuscular mycorrhizal fungi. Oecologia 138:574–583 Osorio NW, Alzate JM, Ramírez GA (2002) Coffee seedling growth as affected by mycorrhizal inoculation and organic amendment. Commun Soil Sci Plant Anal 33:1425–1434 Pattinson GS, McGee PA (1997) High densities of arbuscular mycorrhizal fungi maintained during long fallows in soils used to grow cotton except when soil is wetted periodically. New Phytol 136:571–580 Plenchette C, Clermont-Dauphin C, Meynard JM, Fortin JA (2005) Managing arbuscular mycorrhizal fungi in cropping systems. Can J Plant Sci 85:31–40 Redecker D, Hijri I, Wiemken A (2003) Molecular identification of arbuscular mycorrhizal fungi in roots: Perspectives and problems. Folia Geobot 38:113–124 Sieverding E (1991) Vesicular–arbuscular Mycorrhiza management in tropical agrosystems. GTZ, Eschborn and Hartmut Bremer, Friedland Tafesse A (1996) Agroecological zones of Southwest Ethiopia. Universität Trier, Trier Taye E (2001) Report on woody plant inventory of Yayu national forestry priority area. IBCR/GTZ, Addis Ababa Thompson JP (1987) Decline of vesicular-arbuscular mycorrhizas in long fallow disorder of field crops and its expression in phosphorus deficiency in sunflower. Aust J Agric Res 38:847–867 Wubet T, Kottke I, Teketay D, Oberwinkler F (2003) Mycorrhizal status of indigenous trees in dry afromontane forests of Ethiopia. Fore Ecol Manage 179:387–399 Wubet T, Weiß M, Kottke I, Teketay D, Oberwinkler F (2004) Molecular diversity of arbuscular mycorrhizal fungi in Prunus africana, an endangered medicinal tree species in dry afromontane forests of Ethiopia. New Phytol 161:517–528