RATE OF DEFOLIATION OF BALSAM FIR IN RELATION TO SPRUCE BUDWORM ATTACK AND TIMING OF SPRAY APPLICATION

被引：14

作者：

BLAIS, JR

机构：

来源：

关键词：

D O I：

10.1139/x79-060

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

引用

页码：354 / 361

页数：8

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[3]

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[4]

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[5]

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[7]

BLAIS JR, 1977, LAUX27 CAN CTR RECH

[8]

HARDY Y, 1977, SERVICE ENTOMOLOGIE, V2, P1

[9]

McGUGAN B. M., 1954, CANADIAN ENT, V86, P439

[10]

MILLER C A, 1977, Canadian Journal of Forest Research, V7, P76, DOI 10.1139/x77-011