Abstract

The rapid establishment of seedlings in forest regeneration or afforestation sites after planting is a prerequisite for successful reforestation. The relationship between the quality of the seedling material and their growth and survival after outplanting has been recognized for decades. Despite the existence of a substantial amount of information on how to produce high-quality seedlings, there is still a need to develop practices that can be used in nurseries and at planting sites to be able to produce well-growing forest stands in ever-changing environments. This Special Issue of Forests is focused on seedling quality and how it can be manipulated in a nursery as well as how the quality of the seedlings affects their field performance after planting.

Highlights

  • The rapid establishment of seedlings in forest regeneration or afforestation sites after planting is a prerequisite for successful reforestation

  • Because seedling quality consists of several features, such as the genetic source, morphological properties, nutritional status, stress resistance and the vitality of the seedlings, the seedling responses to different nursery practices may be variable in different tree species and under variable growth conditions [1,5]

  • The papers included in this Special Issue cover a broad range of aspects, ranging from cultural practices in nurseries to the field performance of seedlings under challenging environmental conditions

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Summary

Use of High Quality Seedlings Is the Basis for Tree Planting Success

Seedling survival after outplanting is a complex process which can be affected by many nursery and silvicultural practices. Because seedling quality consists of several features, such as the genetic source, morphological properties, nutritional status, stress resistance and the vitality of the seedlings, the seedling responses to different nursery practices may be variable in different tree species and under variable growth conditions [1,5] In this Special Issue, Pinchot et al [6] and Pinto et al [7]. Germinability and seedling health can be enhanced through different production methods [8] In this issue, Kaliniewicz and Tylek [9] found that the quality of pedunculate oak acorns can be improved by different seed treatments prior to germination. They concluded that scarification and the elimination of infected acorns significantly increased the germination capacity of the acorns

New and Existing Challenges along the Seedling Production Chain
Conclusions
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