Method for determining the best hydrophilic-lipophilic balance (HLB) number for a compatible non-ionic surfactant in formulation development for aerial conidia of Metarhizium anisopliae (Hypocreales: Clavicipitaceae)

Authors: Jin, Xixuan¹; Ugine, Todd²; Chen, Jian¹; Streett, A. Douglas¹

Source: Biocontrol Science and Technology, Volume 19, Number 3, March 2009 , pp. 341-347(7)

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Abstract:

A direct dropping method was developed to determine the best hydrophilic-lipophilic balance number of Metarhizium anisopliae conidia at different water content levels during dehydration. Results showed the best HLB number of the tested M. anisopliae conidia was 8; dehydration did not change the best HLB number but significantly increased wetting time.

Keywords: biological control; hydrophilic-lipophilic balance number; mycoinsecticides; Metarhizium anisopliae; surfactant; wettable formulations

Document Type: Research article

DOI: http://dx.doi.org/10.1080/09583150902725893

Affiliations: 1: USDA-ARS-MSA, Biological Control of Pests Research Unit, National Biological Control Laboratory, Stoneville, MS, USA 2: USDA-ARS-MSA, Southern Insects Management Research Unit, Stoneville, MS, USA

Publication date: 2009-03-01

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