@article{fdi:010082663, title = {{T}he dilemma of {G}uinea grass ({M}egathyrsus maximus) : a valued pasture grass and a highly invasive species}, author = {{R}hodes, {A}. {C}. and {P}lowes, {R}. {M}. and {G}oolsby, {J}. {A}. and {G}askin, {J}. {F}. and {M}usyoka, {B}. and {C}alatayud, {P}aul-{A}ndr{\'e} and {C}ristofaro, {M}. and {G}rahmann, {E}. {D}. and {M}artins, {D}. {J}. and {G}ilbert, {L}. {E}.}, editor = {}, language = {{ENG}}, abstract = {{O}n a global scale, invasive grasses threaten biodiversity and ecosystem function. {N}evertheless, the importation of forage grasses is a significant economic force driven by globalization. {P}astureland and rangeland are of critical economic and ecological importance, but novel grass species may lead to invasion. {R}ecognizing that economically important species can also be ecologically damaging creates a contentious debate for land managers, policymakers, and ecologists alike. {M}any {A}frotropical perennial grass species have been intentionally introduced pantropically given their high forage production and resistance to stress. {H}owever, these traits may also confer competitive ability, increasing the possibility of unintended escape and invasion. {F}urther, these traits have posed challenges for traditional control methods using chemicals, prescribed fire, and mowing. {T}he use of classic biological control may alleviate the ecological impact in invaded areas. {I}n this literature synthesis we examine {G}uinea grass ({M}egathyrsus maximus); whose economic value in many countries is undeniable, yet its impact on native ecosystems is a mounting concern. {F}irst, we introduce {G}uinea grass taxonomy, general biology and ecology, and the geographic and genetic origins. {S}econd, we review the economic value and the ecological impacts. {T}hird, we review the control of {G}uinea grass in undesired areas using chemical and mechanical means. {F}inally, we review current efforts to use biological control.}, keywords = {{M}egathyrsus maximus ; {B}iological control ; {R}angeland ; {L}ivestock ; {G}uinea grass ; {P}anicum maximum ; {MONDE}}, booktitle = {}, journal = {{B}iological {I}nvasions}, volume = {23}, numero = {12}, pages = {3653--3669}, ISSN = {1387-3547}, year = {2021}, DOI = {10.1007/s10530-021-02607-3}, URL = {https://www.documentation.ird.fr/hor/fdi:010082663}, }