Premium
Further compatibility tests of the entomopathogenic fungus Lecanicillium muscarium with conventional insecticide products for control of sweetpotato whitefly, Bemisia tabaci on poinsettia plants
Author(s) -
Cuthbertson Andrew G. S.,
Blackburn Lisa F.,
Northing Phil,
Luo Weiqi,
Can Raymond J. C.,
Walters Keith F. A.
Publication year - 2008
Publication title -
insect science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.991
H-Index - 45
eISSN - 1744-7917
pISSN - 1672-9609
DOI - 10.1111/j.1744-7917.2008.00221.x
Subject(s) - poinsettia , biology , whitefly , entomopathogenic fungus , chlorfenapyr , instar , horticulture , germination , fungus , spore germination , spore , pesticide , toxicology , agronomy , biological pest control , botany , larva , beauveria bassiana , inflorescence , bract
The effect on spore germination of the entomopathogenic fungus Lecanicillium muscarium following direct exposure for 24 h to the insecticides Majestik, Spray Oil, Agri‐50E, Savona and Oberon for the control of both egg and second instar stages of the sweetpotato whitefly, Bemisia tabaci , was determined. Exposure to both Agri‐50E and Oberon was followed by acceptable spore germination. Infectivity rates of L. muscarium on poinsettia foliage in the presence of dry residues of the insecticides were also investigated. No significant detrimental effects on the levels of control of B. tabaci were recorded compared with fungus applied to residue‐free foliage. Sequential application of the chemicals Savona, Spray Oil and Majestik with the fungus all produced mortalities of second instar B. tabaci above 90%. Incorporation of these chemicals with L. muscarium into integrated control programs for B. tabaci is discussed.