Stability of Bacillus thuringiensis and Baculovirus heliothis on Soybean Foliage2
- 1 February 1974
- journal article
- research article
- Published by Oxford University Press (OUP) in Environmental Entomology
- Vol. 3 (1) , 117-119
- https://doi.org/10.1093/ee/3.1.117
Abstract
The half-life of spores and endocrystals of Bacillus thuringiensis Berliner on soybean leaves was less than 24 h, since 65% of the insecticidal activity, and 90% of the spore viability, was lost during the 1st day. However, some insecticidal activity could be detected at 7 days postapplication. The half-life of the nucleopolyhedrosis virus of Heliothis (Baculovirus heliothis) was >2 <3 days. Viral activity could not be detected after 14 days' exposure on soybean leaves.Keywords
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