EXPERIMENTAL-EVIDENCE OF A DELETERIOUS SOIL MICROFLORA ASSOCIATED WITH NORWAY SPRUCE DECLINE IN FRANCE AND GERMANY

被引：10

作者：

DEVEVRE, O ^{[1
]}

GARBAYE, J ^{[1
]}

PERRIN, R ^{[1
]}

机构：

[1] INRA,RECH FLORE PATHOGENE SOL STN,F-21000 DIJON,FRANCE

来源：

PLANT AND SOIL | 1993年 / 148卷 / 01期

关键词：

FOREST DECLINE; NORWAY SPRUCE; DELETERIOUS MICROFLORA; RHIZOSPHERE;

D O I：

10.1007/BF02185394

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Norway spruce (Picea abies (L.) Karst.) seedlings were grown in a glasshouse pot experiment in soils from 11 declining and 7 healthy spruce stands from France and Germany. In soils from 9 declining stands, seedlings showed decline symptoms (needle yellowing). Soil pasteurization suppressed the symptoms, and reinoculation of the pasteurized soil with a rhizospheric extract from the corresponding stand re-induced yellowing. This suggests that a deleterious soil microflora is associated with spruce decline. The occurrence of this microflora seems to be correlated with the main chemical characteristics of the soils (low pH, low saturation of the adsorbing complex, low exchangeable Ca2+ and Mg2+, and high level of exchangeable Al).

引用

页码：145 / 153

页数：9

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