토마토 뿌리혹선충 Meloidogyne incognita에 치사력이 있는 Bacillus thuuingiensis Bt TH109 균주의 분리 및 특성

Isolation and Characteristics of Bacillus thuringiensis Strain BtTH109 which is Toxi against Root-Knot Nematode Meloidogyne incognita

In order to microbially control root-knot nematode(Meloidogyne incognita) in tomato, a strain BtTH109 of Bacillus thuringiensis producing root-knot nematocidal toxin was isolated. The strain BtTH109 was identified B. thuringiensis subsp. indiana(serotype 16) based on flagella antigenicity, biochemical properties, and morphological charcateristics. The strain BtTH109 have extracellularly produced a root-knot nematocidal toxin, which was very toxic against not only egghatch but also the 2nd-nematode larva of root-knot nematode in vitro.

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