Über einige Arten aus den Gattungen Pyrenophora Fries und Cochliobolus Drechsler mit Helminthosporium als Nebenfruchtform

Ammon, Hans Ulrich

doi:10.1111/j.1439-0434.1963.tb02102.x

Cited by 9 publications

(17 citation statements)

References 26 publications

(5 reference statements)

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“…phlei produced on potato dextrose agar (many isolates £rom seeds and leaves from fields ), abundant conidia appeared on Phleum pratense, moderate conidia on Dactylis glomerata, Lolium multiflorum and L. perenne, infrequent conidia on Bromus inermis and F estuca pratensis, as well as accidental conidia Agrostis tenuis, Alopecurus pratensis and F. rubra. This result differs from the studies of ScHARIF ( 1961 ) as well as IBRAHIM and THRELFALL (1966) but is close to that of AMMoN ( 1963) .…”

Section: On Dactylis Glomeratacontrasting

confidence: 56%

“…pratense leaves and conversely. This is confirmed by AMMON ( 1963 ). However, according to GRAHAM ( 1955) H. phlei were generally found as a seedborne fungus on the seedlings of Phleum pratense.…”

Section: On Dactylis Glomeratasupporting

confidence: 52%

“…KENNETH 1958). In the present study the size of spores was greater than DRECHSLER's (1923 ) and AMMON's (1963) material and smaller than reported by SHOEMAKER ( 1962) and FRAUENSTEIN (1962 ). All ( 100 %) the seed lots of F t:stuca pratensis examined (24 lots, chiefly from the State Seed Testing Station were infected by the fungus.…”

Section: On F Estuca Pratensiscontrasting

confidence: 50%

“…In an inoculation test, in which the fungus was isolated £rom F. pratensis, only this grass species was infected according to GRAHAM ( 1955 ) and to IBRAHIM and THRELFALL (1966), while according to AMMoN (1963), the disease symptoms appeared on Bromus inermis, Dactylis glomerata, Festucc. ; pratcnsis and Lolium multiflorum.…”

Section: On F Estuca Pratensismentioning

confidence: 99%

“…In inoculation tests on various grass species (Table 1) AMMoN's ( 1963) observations in her inoculation tests.…”

Section: On F Estuca Pratensismentioning

confidence: 99%

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Some graminicolours species of Helminthosporium in Finland

Mäkelä¹

1971

Karstenia

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Abstract. -This paper is pam of a larger study of the fungi causing leaf-spot diseases which affeot llhe grasses on leys in Finland. The material examined consisted of grasses growing on cultivated gra:sSiland or the borders of fields. The fresh materiad (c. 3770 samples) was collected at Viilk and the Muddusniemi Experiment Farm of Helsinki UnivePsity, art: Experiment Stations of the Agricultural Research Centre, the Plant Breeding InstitutJe of Ha:ruklkija and in other Localities in sounthem Finland. In additio. n seeds of grasses (c. 160 lots) ohiefly from llhe State Seed Testing Station (SSTS) and from the material (c. 40 lots) of the late Prof. Otto Valle's experiments were investigated. The last mentioned lots of the Finnish seeds (Tammisto) were produced in the USA. This study is moreover has• ed on artificiaJ cul1 ture and inoculation tests.

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Section: On Dactylis Glomeratacontrasting

confidence: 56%

Section: On Dactylis Glomeratasupporting

confidence: 52%