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Tytuł pozycji:

Pathogenicity of an Indigenous Strain of the Entomopathogenic Fungus Metarhizium anisopliae (Hypocreales: Clavicipitaceae) (MET-GRA4 Strain) as a Potential Biological Control Agent Against the Red Palm Weevil (Coleoptera: Dryophthoridae).

Tytuł :
Pathogenicity of an Indigenous Strain of the Entomopathogenic Fungus Metarhizium anisopliae (Hypocreales: Clavicipitaceae) (MET-GRA4 Strain) as a Potential Biological Control Agent Against the Red Palm Weevil (Coleoptera: Dryophthoridae).
Autorzy :
Ishak, I
Ng, L C
Haris-Hussain, M
Jalinas, J
Idris, A B
Azlina, Z
Samsudin, A
Wahizatul, A A
Pokaż więcej
Temat :
METARHIZIUM anisopliae
ENTOMOPATHOGENIC fungi
CURCULIONIDAE
BIOLOGICAL pest control agents
HYPOCREALES
BIOLOGICAL weed control
Źródło :
Journal of Economic Entomology; Feb2020, Vol. 113 Issue 1, p43-49, 7p
Czasopismo naukowe
Metarhizium anisopliae Metchnikoff (Hypocreales: Clavicipitaceae) is a fungal pathogen that causes disease in various insect pests, and it can be exploited and developed as a biological control agent to combat the red palm weevil, Rhynchophorus ferrugineus Olivier (Coleoptera: Dryophthoridae). The study on indigenous isolates is crucial especially for development of bioinsecticides in the future. The M. anisopliae strain called MET-GRA4 was tested for pathogenicity against adult red palm weevil and treated in vitro with different spore viabilities. The isolates exhibited pathogenicity with 100% mortality 21 d postinfection. The median lethal time (LT50) for 85% viable spores was 8.6 d, while 39% viable spores had an LT50 value of 21.37 d, with 92 and 16.6% mycosis, respectively. The species MET-GRA4 strain was molecularly characterized using ITS1 and ITS4 from pure culture (Isolate A), mass-produced spores (Isolate B), and infected red palm weevil cadavers (Isolate C). The DNA sequences obtained matched M. anisopliae sequences, with 99% similarity. This new isolate of M. anisopliae has potential as a targeted bioinsecticide for management of red palm weevil. [ABSTRACT FROM AUTHOR]
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