EFFICACY OF VARIOUS BACILLUS THURINGIENSIS BERLINER VAR. KURSTAKI FORMULATIONS AND DOSAGES IN THE FIELD AGAINST THE HEMLOCK LOOPER, LAMBDINA FISCELLARIA FISCELLARIA (GUEN.) (LEPIDOPTERA: GEOMETRIDAE), IN NEWFOUNDLAND

Abstract Aerially applied Thuricide 48LV, Thuricide 64B, Futura XLV, and water-based formulations of Bacillus thuringiensis Berliner var. kurstaki ( B . t .), were tested for effectiveness to control the hemlock looper, Lambdina fiscellaria fiscellaria (Guen.), in balsam fir, Abies balsamea (L.) Mil...

Full description

Bibliographic Details
Published in:The Canadian Entomologist
Main Authors: West, R.J., Raske, A.G, Retnakaran, A., Lim, K.P.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 1987
Subjects:
Insect Science
Molecular Biology
Physiology
Ecology, Evolution, Behavior and Systematics
Structural Biology
Newfoundland
Online Access:http://dx.doi.org/10.4039/ent119449-5
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0008347X00046046
Description
Summary:Abstract Aerially applied Thuricide 48LV, Thuricide 64B, Futura XLV, and water-based formulations of Bacillus thuringiensis Berliner var. kurstaki ( B . t .), were tested for effectiveness to control the hemlock looper, Lambdina fiscellaria fiscellaria (Guen.), in balsam fir, Abies balsamea (L.) Mill., stands. Thuricide 64B, applied twice at a dosage of 30 Billion International Units (BIU) per hectare in 1.78 L/ha, was the most effective, reducing the larval population by 100%.

Similar Items