THE EFFECT OF PRECOMMERCIAL THINNING ON THE INCIDENCE OF HETEROBASIDION-ANNOSUM IN PLANTED PICEA-ABIES

被引：10

作者：

VOLLBRECHT, G ^{[1
]}

GEMMEL, P ^{[1
]}

PETTERSSON, N ^{[1
]}

机构：

[1] SWEDISH UNIV AGR SCI,DEPT FOREST YIELD RES,S-77073 GARPENBERG,SWEDEN

来源：

SCANDINAVIAN JOURNAL OF FOREST RESEARCH | 1995年 / 10卷 / 01期

关键词：

Heterobasidion annosum; Picea abies; Precommercial thinning; Root rot;

D O I：

10.1080/02827589509382865

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Evaluation was made of the effect of precommercial thinning in 13-15 year old Norway spruce (Picea abies (L.) Karst.), on the incidence of Heterobasidion annosum in residual trees, more than 20 years after thinning. Five sites in southern Sweden were studied with the following treatments at each site: unthinned plot and plots thinned to 600, 1 000, 1 400, 1 800 and 2 500 stems ha(-1). Only three trees out of 450 investigated, were found to be decayed. None of these trees were found to be infected by H. annosum as an effect of precommercial thinning. Control measures to prevent decay caused by H. annosum in residual trees do not appear warranted for precommercial thinning of young, planted, Norway spruce stands.

引用

页码：37 / 41

页数：5

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