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Acta Forestalia Fennica vol. 41 no. 3 | 1935

Category: Article

article id 7316, category Article
Martti Hertz. (1935). Kuusen juuriston ensi kehityksestä. Acta Forestalia Fennica vol. 41 no. 3 article id 7316. https://doi.org/10.14214/aff.7316
English title: The early development of Norway spruce root system.
English keywords: main root; forest site; seedlings

The development roots of Norway spruce (Picea abies (L.) H. Karst.) seedlings was studied in sample seedlings grown in different kinds of sites. In the early stage, the seedling roots grow primarily length. The main root is usually long. If the growth of the root is hindered, the tip of the root dies, and the root system growing from the original root collar remains relatively small; in these cases, the secondary root system becomes more important. In unfavourable conditions the root branches can early on replace the main root. The main root of a germling seems to be less able to seek for free growing space than the main and side roots of older seedlings. When the growth of the root is blocked by some kind of obstacle, it does not often hinder the growth of the seedling. The type of soil influences strongly how the root system grows. In good soil and in humus the root system is regular and richly branched, while in clay and coarse sand the root system was small. Spahgnum moss was good substrate for seedlings, Dicranum undulatum moss little less good, while the seedlings grew poorly on Pleurozium Schreberi.

The PDF includes a summary in German.

  • Hertz, ORCID ID:E-mail:

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