آخر الأخبار
Creation of stable associations between perennial ryegrass or tall fescue and fungal endophytes
Title Creation of stable associations between perennial ryegrass or tall fescue and fungal endophytes
Authors Naffaa, W., Astier, C., Ravel, C., Guillaumin, J. J
Source title Agronomy
ISSN 2073-4395
Q Q2
Link https://doi.org/10.1051/agro:19990206
Abstract The ability of 15 isolates of endophytic fungi isolated from ten species of grasses to form compatible associations following artificial infection with perennial ryegrass (Lolium perenne, cv. Vigor) and tall fescue (Festuca arundinacea, cv. Clarine) was examined. Twenty-two associations were obtained, only eight failed. The species Neotyphodium lolii, N. coenophialum, LpTG-2, Epichloe festucae, E. bromicola and Gliocladium-like endophyte, could be associated with both L. perenne and F. arundinacea. Acremonium sp. from L. persicum could be associated with L. perenne only. The observation of infected plants after 6 months and the study of mycelial transmission to the seeds showed the stability of the following associations: tall fescue with N. coenophialum and N. lolii, perennial ryegrass with N. lolii, LpTG-2, Epichloe festucae and Gliocladium-like. Acremonium sp. from Lolium persicum was not able to survive in L. perenne for a long time. Various aspects of partial incompatibility were observed among the associations: tall fescue/LpTG-2, tall fescue / Gliocladium-like and perennial ryegrass/N. coenophialum. The study suggests that selection of suitable endophytic strains for fodder grasses can be enlarged to endophytes naturally harboured by other host species


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