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Pentti K. Räsänen, Aarno Koukkula, Paavo Yli-Vakkuri

Pakkauksen, varastoimisen ja valeistutuksen vaikutus männyn taimien istutuskelpoisuuteen.

Räsänen P.K., Koukkula A., Yli-Vakkuri P. (1970). Pakkauksen, varastoimisen ja valeistutuksen vaikutus männyn taimien istutuskelpoisuuteen. Silva Fennica vol. 4 no. 1 article id 4812. https://doi.org/10.14214/sf.a14601

English title: The effect of packing, storing and heeling-in on the field survival and growth of Scots pine seedlings.

Abstract

The aim of the present study was to establish, by means of planting experiments, the influence of different packing, heeling-in and watering as well as the length of the storage period on the development of Scots pine (Pinus sylvestris L.) seedlings, in all 2,090 seedlings, that had been lifted from the nursery bed in spring. The plants were packed in bundles and into plastic sacks in 1965 (6 storage methods) and in 1966 (3 storage methods). Control seedlings were planted without storing at the time when storage of the test material begun. The plantations were followed 3–4 years.

Storage for two weeks in the different ways and planting without storage gave similar results when seedling survival was compared. Storage in plastic sack proved to be as good as storage in bundles in a cellar, and healing-in in moist soil or in a drain were both usable methods. Watering the seedlings did not improve the results, which indicates that the storage caused no serious lack of water.

After four growing seasons an average of 19,6% of the seedlings of the 1965 experiment died, the bulk of them by the end of the first growing season. Despite control treatment, Hylobious abietis caused serious damages. In the plantations of the year 1966 mortality of the seedlings was under 5% by the end of third growing season. During the first two growing seasons after planting differences in growth of the seedlings stored in different ways could be observed in the plantations of the year 1965, but the differences levelled out later. In the plantations established in 1966 no differences in growth occurred.

The PDF includes a summary in English.

Original keywords
taimet; metsäpuun taimet; varastointi; kastelu; istutus; metsänviljely; mänty; kuolleisuus; tukkimiehentäi

English keywords
seedlings; Scots pine; Pinus sylvestris; storage; planting; mortality; Hylobius abietis; insecticide; large pine weevil; field survival

Published in 1970

Available at https://doi.org/10.14214/sf.a14601 | Download PDF

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