CHEMICAL CONTROL OF ROOT DISEASE OF DOUGLAS-FIR SEEDLINGS IN RELATION TO FUNGUS AND NEMATODE POPULATIONS

被引：11

作者：

BLOOMBERG, WJ

ORCHARD, WR

机构：

[1] Forest Pathologist, Canada Department of Fisheries and Forestry, Forest Research Laboratory, Victoria, B.C.

[2] Nematologist, Canada Department of Agriculture, Research Station, Saanichton, B.C.

来源：

ANNALS OF APPLIED BIOLOGY | 1969年 / 64卷 / 02期

关键词：

D O I：

10.1111/j.1744-7348.1969.tb02874.x

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Seed treatment with thiram reduced post–emergence damping–off, while fumigating forest nursery soils with methyl bromide or DD improved Douglas‐fir seedling emergence, shoot and root growth, and decreased the incidence of root disease. At an old site, where corky root develops, the benefits from these fumigants were associated with fewer (a) Xiphinema bakeri and b isolates of Cylindrocarpon radicicola. At a new site, decrease in Fusarium root rot and increase in shoot growth were related to reduction of populations of Paratylenchus and Pratylenchus, respectively. In unfumigated soils, Fusarium oxysporum was isolated from diseased and healthy roots. Copyright © 1969, Wiley Blackwell. All rights reserved

引用

页码：239 / +

页数：1

共 12 条

[1]

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[2]

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[3]

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[4]

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[5]

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[7]

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[8]

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[9]

SALIBURY PJ, 1959, FOR BIOL DIV CAN DEP, V15, P4

[10]

SMITH R. B., 1966, PLANT DIS REPORTER, V50, P245

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