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Publication Type:
| Report |
Author(s): | Schulz, H.;
Weniger, Ruth |
Author Affiliation: | Universität Hohenheim, Stuttgart |
Title: | Einfluß der Saatzeit auf Keimung und Anfangsentwicklung von Rasengräsern (Literaturstudie) |
Translated Title: | Influence of the date of sowing on germination and initial development of turf grasses [literature review] |
Source: | Rasen-Turf-Gazon. Vol. 20, No. 4, December 1989, p. 97-104. |
Publishing Information: | Bonn-Bad Godesberg, Germany: Hortus Verlag |
# of Pages: | 8 |
Keywords: | TIC Keywords: Seeding; Germination; Turfgrass establishment; Lolium perenne; Poa pratensis; Phleum pratense; Dormancy Dutch Turfgrass Research Foundation Keywords: 502-E; Sowing; Sowing date; Sports grounds; Germinability; Article
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Abstract/Contents: | "Taking the German perennial rye-grass as an example, the present study depicts the structure of the fruit of the grass and the progress of the germination of the grass. It then describes the primary dormancy which is influenced before the seed ripens, and the secondary dormancy which is influenced after the ripening of the seed. The latter is particularly evident in the case of the smooth-stalked meadow grass, above all, when the seed is deposited in the soil in greater depth or beneath a closed population. This may increase the long dormancy of the germs, caused by genetical circumstances, which is evident in this grass. The main part deals with the influence of the date of sowing on the germination and development of turf grasses, by taking into consideration at the same time such factors as temperatures, water and light. It is then shown that the reaction to these factors may be modified by the qualities of the site, e.g. the type of soil, and by the technique of sowing, e.g. the depth in which the seed is sown. The optimum temperature for the germination of turf grasses is between +18 and +25 C. Timothy will show better germination under low temperatures than other turf species, above all smooth-stalked meadow grass. The German perennial rye-grass is least damaged in its germination by dryness because the seed cover absorbs freely, whereas the smooth-stalked meadow grass reacts extremely sensitive. The smooth-stalked meadow grass shows a positive reaction to light. Light, however, does not seem to be actually necessary for other turf species. The reaction of the individual species and varieties to the environmental factors mentioned may be different." |
Language: | German |
References: | 60 |
Note: | Figures Tables Graphs Abstract appears in German, English, and French |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Schulz, H., and R. Weniger. 1989. Einfluß der Saatzeit auf Keimung und Anfangsentwicklung von Rasengräsern (Literaturstudie). (In German) Rasen Turf Gazon. 20(4):p. 97-104. |
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