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"1. Defoliation by cankerworms in 1979 was significantly less in 1978 treated shelterbelts than in untreated shelterbelts. 2. Most shelterbelts treated in 1978 retained enough foliage by late June 1979 so that adjacent crops were protected from wind. 3. Aerially applied Bt at a rate of 1/2 lb./acre provided shelterbelt foliage protection for 2 seasons. 4. The 3 gallon/acre Bt formulation appears to provide more consistent foliage protection than the 1 gallon/acre formulation."--Conclusions.
Publish Date
1979
Publisher
Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry
Language
English
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North Dakota, Bismarck AreaShowing 1 featured edition. View all 1 editions?
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1
A reevaluation of 1978 aerial Bacillus thuringiensis Berliner (Bt) applications for cankerworm control in Siberian elm shelterbelts
1979, Forest Insect & Disease Management, USDA, Forest Service, Northern Region, State & Private Forestry
in English
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Feedback?January 18, 2010 | Edited by WorkBot | add subjects and covers |
December 11, 2009 | Created by WorkBot | add works page |