Titlebook: Neotyphodium/Grass Interactions; Charles W. Bacon,Nicholas S. Hill Book 1997 Springer Science+Business Media New York 1997 Pasture.evoluti

OVERT

, Endophytes in Mediterranean Tall Fescue,ce (microbial germplasm) for use in improving forage and turf grass performance (Clement . 1994, Wilson 1996). The pool of endophyte diversity needed for developing more suitable grassendophyte combinations for livestock production and pest resistance may reside in USDA-ARS repository collections. S

深淵

Distribution of Ergot Alkaloids within the Family Clavicipitaceae,vestock (Bacon et al., 1977), the production of these alkaloids are now well documented among several grass endophytes of the family Clavicipitaceae (Porter, 1994). These endophytes have been shown to convey to the host grasses certain advantageous physiological and ecological characteristics such a

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作繭自縛

Increases in Endophyte Incidence in Perennial Ryegrass at Palmerston North, Manawatu, New Zealand,are not uncommon. Prestidge et al. (1984) recorded an increase from 8% infection six months after sowing to 40% 18 months after sowing. Newly sown pastures sown with high endophyte seedlines at Palmerston North provided an opportunity to assess whether similar changes would also occur in this situat

maculated

Ergovaline Distribution in Perennial Ryegrass Naturally Infected with Endophyte,rass (.) naturally infected with .. In an earlier limited study of vegetative plants, ergovaline was found to be concentrated in basal tissues (Davies et al., 1993). We have now examined the ergovaline content of tissue fractions of vernalized endophyte-infected ryegrass plants in spring, and report

APRON

Forsake

Orchiectomy

Occurrence of Endophytes in European Cultivars, Seed Lots, and Ecotypes of , Species,ions were made on the role of endophyte infested meadow and tall fescue (BUMERL and MIKA 1991, SCHMIDT 1991), but few data are known about the occurrence of endophytes in meadow fescue. The aim was to evaluate European commercial cultivars and also ecotypes from fescue grasses for endophytic fungi.

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