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The effect of prolonged heavy grazing pressure on the regrowth of two perennial grass species in a semi-arid communal rangeland
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: W Twine V Gray N Owen-SmithWe tested the hypothesis that initial above-ground regrowth of defoliated grass tufts would be reduced in sites which have been exposed to prolonged heavy grazing. The regrowth of Themeda triandra and Urochloa mosambicensis tufts was compared between three heavily grazed... -
Rainfed-based production of Megathyrsus maximus in sub-Saharan Africa: the case of the semi-arid environment of Sudan
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Hussein I Mohamed --- , Sudan Shamseddin M Ahmed --- Water Management and Irrigation Institute, University of Gezira, Sudan Adil D Mohamed --- Water Management and Irrigation Institute, University of Gezira, SudanThe performance of rainfed-based Megathyrsus maximus (syn. Urochloa maxima and Panicum maximum) was investigated in the semi-arid pastures of Sudan. Split-plot complete design experiments with three replications were applied for two consecutive seasons (2020–2021). The treatments were two in situ... -
Evaluation of in situ and ex situ forage germplasm collections reveals the first occurrence and seed-transmission of alfalfa mosaic virus and southern bean mosaic virus in Urochloa species
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Woubit Dawit --- International Livestock Research Institute (ILRI), Ethiopia Fikerte Mulatu --- International Livestock Research Institute (ILRI), Ethiopia Yesuf Eshete --- International Livestock Research Institute (ILRI), Ethiopia Alemayehu Teressa Negawo --- International Livestock Research Institute (ILRI), Ethiopia Alok Kumar --- Haramaya University, Ethiopia Alice Muchugi --- International Livestock Research Institute (ILRI), Ethiopia Chris Stephen Jones --- International Livestock Research Institute (ILRI), KenyaGrasses of the genus Urochloa (Urochloa species syn. Brachiaria species) are among the most important tropical forage grasses of African origin. The International Livestock Research Institute (ILRI) Forage Genebank maintains 671 Urochloa grass accessions, belonging to 28 species, of which... -
Mycorrhizal fungi in Acacia mearnsii plantations and native fragments of the Pampas biome, southern Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Etienne Winagraski --- Universidade Federal do Paraná, Brazil Celso Garcia Auer --- Universidade Federal do Paraná, Brazil Pedro Henrique Riboldi Monteiro --- Universidade Federal do Paraná, Brazil Antônio Rioyei Higa --- Universidade Federal do Paraná, Brazil Glaciela Kaschuk --- Universidade Federal do Paraná, BrazilBlack wattle (Acacia mearnsii) was introduced to southern Brazil in the 1930s without any documented history of microbial inoculation. This study tested the hypothesis that black wattle introduction does not harm indigenous arbuscular mycorrhizal fungi (AMF) communities or reduce soil...