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| Publication Type:
| Report |
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| Author(s): | Isselstein, Johannes |
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| Author Affiliation: | Institut fur Pflanzenbau und Pflanzenzuchtung II, Grunlandwirtschaft und Futterbau, der Justus-Liebig- Universität Gieẞen |
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| Title: | Kräuteransaaten aus keimungsbiologischer Sicht |
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| Translated Title: | Sowing of herbs from the point of view of germination biology |
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| Source: | Rasen-Turf-Gazon. Vol. 23, No. 4, December 1992, p. 95-100. |
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| Publishing Information: | Bonn-Bad Godesberg, Germany: Hortus Verlag |
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| # of Pages: | 6 |
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| Keywords: | TIC Keywords: Seeding; Seed mixtures; Seed germination; Biology
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| Abstract/Contents: | "Species of herbs are increasingly used in seed mixtures for landscape lawns. The result of sowing is quite often not satisfactory, which is due to a low germination capacity of the seed which was generally collected from wild plants. Therefore, the germination of selected herb species was examined in laboratory tests. There was a great variability of the germination of the species. There was no species which germinated in equally high proportions under examinational conditions, i.e. not one showed any germination rest. Most of the species examined, such as Achillea millefolium, Centaurea jacea, Chrysanthemum leucanthemum, Daucus carota, Leontodon autumnalis, Plantago lanceolata, Rumex acetosa proved to be more or less marked species which germinate under light. Seeds which are put too deep into the soil germinate not so well. An equally poor germination as under totally dark conditions happened when the seed was light-rayed, with the light being filtered through a roof of leaves. The after-seed of herbs in already existing grass sods is therefore critical. The extent of the light required was modified by the origin and the age of the seed and reduced by the addition of products to stimulate germination (KNO3 and GA3). It was, moreover, possible to increase the germination in darkness by changing temperatures. Some umbelliferae, such as Anthriscus sylvestris, Chaerophyllum temulum, Heracleum sphondylium, Sialum silaus did not germinate without being cold-treated for several weeks at temperatures of 3-5 C. Under field conditions the germination of these species can only be expected after winter temperatures have set in. The success of the sowing depends also on the speed of the germination which varies considerably amongst the species. By means of pretreating the seed (immersion in GA3 and drying afterwards) the germination of P. lanceolata could be improved but not that of C. jacea. The specific requirements of the herb species as to germination which can be considered as a typical characteristic of wild plants result in the fact that there is evidently basically a high risk connected with the sowing. It is therefore difficult to calculate the success of the sowing." |
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| Language: | German |
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| References: | 22 |
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| Note: | Tables
Graphs
Abstract appears in German, English, and French |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Isselstein, J. 1992. Kräuteransaaten aus keimungsbiologischer Sicht. (In German) Rasen Turf Gazon. 23(4):p. 95-100. |
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MSU catalog number: SB 433 .R3 |
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