The Influence of Scots Pine Seeding Rate on the Yield of Standard Seedlings Seeds in Greenhouses

A.G. Bulat

Abstract


The relevance of the issue concerning the influence of seeding rate on the yield of standard seedlings per unit area is growing in connection with the transition of forestry on the basis of breeding and using for the cultivation of planting material from genetically improved seeds. Some indicators of similarity and length of growing season, depending on the rate of seeding, are considered. We have proved the density of seedlings growing effect on their linear performance. As a result of studies on the cultivation of annual seedlings of Scots pine in greenhouses we have calculated optimum seeding rate for maximum yield of standard planting material.


Keywords


pinus silvestris; seed; seedling standard; seeding rate; seed germination; closed ground

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DOI: https://doi.org/10.15421/40260337

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