M. Arachevaleta, C. W. Bacon, and C. S. Hoveland,

D. E. Radcliffe, Effect of the tall fescue endophyte on plant response to environmental stress, Agron. J, vol.81, pp.83-90, 1989.

C. W. Bacon, Abiotic stress tolerances (moisture, nutrients) and photosynthesis in endophyte-infected tall fescue, Agric. Ecosyst. Environ, vol.44, pp.123-141, 1993.

F. Balfourier, G. Charmet, and C. Grand-ravel, Conservation of allelic multiplicity and genotypic frequency by pooling wild populations of perennial ryegrass, Heredity, vol.73, pp.386-396, 1994.
URL : https://hal.archives-ouvertes.fr/hal-02713055

D. P. Belesky, W. C. Stringer, and N. S. Hill, Influence of endophyte and water regime upon tall fescue accessions. 1. Growth characteristics, Ann. Bot, vol.63, pp.495-503, 1995.

D. P. Belesky and J. M. Fedders, Does endophyte influence regrowth of tall fescue?, Ann. Bot, vol.78, pp.499-505, 1996.

J. H. Bouton, R. N. Gates, D. P. Belesky, and M. Owsley, Yield and persistence of tall fescue in the Southeastern coastal plain after removal of its endophyte, Agron. J, vol.85, pp.52-55, 1993.

G. P. Cheplick, K. Clay, and S. Marks, Interaction between infection by endophytic fungi and nutrient limitation in the grasses Lolium perenne and Festuca arundinacea, New Phytol, vol.111, pp.89-97, 1989.

M. J. Christensen, A. Leuchtmann, and D. D. Rowan,

B. A. Tapper, Taxonomy of Acremonium endophytes of tall fescue (Festuca arundinacea), meadow fescue (F. pratensis) and perennial ryegrass (Lolium perenne), Mycol. Res, vol.97, pp.1083-1092, 1993.

K. Clay, Fungal endophytes of grasses: A defensive mutualism between plants and fungi, Ecology, vol.69, pp.10-16, 1988.

D. Battista, J. P. Bacon, C. W. Severson, R. Plattner, R. D. Bouton et al., Indole acetic acid production by the fungal endophyte of tall fescue, Agron. J, vol.82, pp.651-654, 1990.

D. Battista, J. P. Bouton, J. H. Bacon, and C. W. ,

M. R. Siegel, Rhizome and herbage production of endophyte-removed tall fescue clones and populations, Agron. J, vol.82, pp.651-654, 1990.

J. P. Eerens, D. L. Ryan, and K. B. Miller, The ryegrass endophyte in a cool moist environment, Proc. N

, Z. Grassl. Assoc, vol.54, pp.157-160, 1992.

H. W. Elbersen and C. P. West, Growth and water relations of field-grown tall fescue as influenced by drought and endophyte, Grass For. Sci, vol.51, 1996.

A. A. Elmi and C. P. West, Endophyte infection effects on stomatal conductance, osmotic adjustment and drought recovery of tall fescue, New Phytol, vol.131, pp.61-67, 1995.

M. Gillet, Les graminées fourragères, 1980.

H. R. Gregorius, The probability of losing an allele when diploid genotypes are sampled, Biometrics, vol.36, pp.643-652, 1980.

N. S. Hill, Ecological relationships of Balansiaeinfected graminoids, Biotechnology of Endophytic Fungi of Grasses, pp.59-71, 1994.

N. S. Hill, W. C. Stringer, G. E. Rottinghaus, D. P. Belesky, W. A. Parrott et al., Growth, morphological, and chemical component responses of tall fescue to Acremonium coenophialum, Crop Sci, vol.30, pp.156-161, 1990.

M. Kimura and J. F. Crow, The number of alleles that can be maintained in a finite population, Genetics, vol.111, pp.725-738, 1964.

G. C. Latch and M. J. Christensen, Artificial infection of grasses with endophytes, Ann. Appl. Biol, vol.107, pp.17-24, 1985.

G. C. Latch, W. F. Hunt, D. R. Musgrave, G. C. Latch, D. E. Hume et al., Endophytic fungi affect growth of perennial ryegrass, N. Z. J. Agric. Res, vol.28, pp.165-168, 1985.

V. M. Burton, Plant growth can be affected by the strain of endophyte, Tall Fescue Toxicosis Workshop, p.27, 1998.

G. C. Lewis, Herbage yield of nine genotypes of perennial ryegrass with and without infection by ryegrass endophyte, Ann. Appl. Biol, vol.116, pp.108-109, 1990.

G. C. Lewis and R. O. Clements,

, Acremonium lolii on herbage yield of Lolium perenne at three sites in the United Kingdom, Proc. Int. Symposium on Acremonium / grass interactions, pp.160-162, 1990.

G. C. Lewis, A. K. Bakken, and J. H. Macduff,

N. Raistrick, Effect of infection by endophytic fungus Acremonium lolii on growth and nitrogen uptake by perennial ryegrass (Lolium perenne ) in flowing solution culture, Ann. Appl. Biol, vol.129, pp.451-460, 1996.

G. C. Lewis, C. Ravel, W. Naffaa, and C. Astier,

G. Charmet, Occurrence of Acremonium endophytes in wild populations of Lolium spp. in European countries and a relationship between level of infection and climate in France, Ann. Appl. Biol, vol.130, pp.227-238, 1997.

P. C. Lyons, J. E. Evans, and C. W. Bacon, Effects of the fungal endophyte Acremonium coenophialum on nitrogen accumulation and metabolism in tall fescue, Plant Physiol, vol.92, pp.726-732, 1990.

A. Mori and L. Turc, Carte de France de potentialité fourragère annuelle en absence d'irrigation, Inra, Service d'étude des sols et de la carte pédologique de France, 1983.

W. Naffaa, C. Astier, C. Ravel, and J. J. Guillaumin, Creation of stable associations between perennial ryegrass or tall fescue and fungal endophytes
URL : https://hal.archives-ouvertes.fr/hal-00885921

A. Oliveira, G. E. Rottinghaus, J. Collar, and P. Castro, The perennial ryegrass endophyte in Galicia (Northwest Spain), J. Agric. Sci, vol.129, pp.173-177, 1997.

C. Ravel, G. Charmet, and F. Balfourier, Influence of the fungal endophyte Acremonium lolii on agronomic traits of perennial ryegrass in France, Grass Forage Sci, vol.50, pp.75-80, 1995.
URL : https://hal.archives-ouvertes.fr/hal-02700276

C. Ravel, C. Courty, A. Coudret, and G. Charmet, Beneficial effects of Neotyphodium lolii on the growth and the water status in perennial ryegrass cultivated under nitrogen deficiency or drought stress, Agronomie, vol.17, pp.173-181, 1997.
URL : https://hal.archives-ouvertes.fr/hal-00885835

J. C. Read and B. J. Camp, The effect of the fungal endophyte Acremonium coenophialum on animal performance, toxicity and stand maintenance, Agron. J, vol.78, pp.848-850, 1986.

M. D. Richardson, C. S. Hoveland, and C. W. Bacon, Photosynthesis and stomatal conductance of symbiotic and non symbiotic tall fescue, Crop Sci, vol.33, 1993.

M. P. Rolston and J. S. Rowarth, Aspects of endophyte in ryegrass (Lolium perenne) seed production, Proc. 3rd Int. Herbage Seed Conference, pp.433-437, 1995.

. Sas-institute-inc and . Sas/stat-user's-guide, , vol.6, 1989.

D. Schmidt, Effects of Acremonium uncinatum and a Phialophora-like endophyte on vigour, insect and disease resistance of meadow fescue

, Symp. Acremonium/Grass Interactions, p.185, 1993.

M. R. Siegel, M. C. Johnson, and D. R. Varney,

W. C. Nesmith, R. C. Buckner, L. P. Bush, and P. B. Burrus,

T. A. Jones and J. A. Boling, A fungal endophyte in tall fescue: incidence and dissemination, Phytopathology, vol.74, pp.932-937, 1984.

M. R. Siegel, G. C. Latch, and M. C. Johnson, Fungal endophytes of grasses, Ann. Rev. Phytopathol, vol.25, pp.293-315, 1987.

M. R. Siegel, G. C. Latch, L. P. Bush, F. F. Fannin, D. D. Rowan et al., Fungal endophyte-infected grasses: alkaloid accumulation and aphid response, J. Chem. Ecol, vol.16, pp.3301-3315, 1990.

L. Turc, Indice climatique de potentialité agricole, Sciences, vol.2, pp.81-102, 1972.

R. Van-heeswijck, M. Donald, and G. , Acremonium endophytes in perennial ryegrass and other pasture grasses in Australia and New-Zealand, Austr. J. Agric. Res, vol.43, pp.1683-1709, 1992.

C. P. West, Physiology and drought tolerance of

, Endophyte-infected grasses, Biotechnology of Endophytic Fungi of

. Grasses, , pp.87-102, 1994.

C. P. West, E. Izecor, K. E. Turner, and A. A. Elmi,

, Endophyte effects on growth and persistence of tall fescue along a water-supply gradient, Agron. J, vol.85, pp.267-270, 1993.