Effect of different level of inoculums of root knot nematode on predacity of Arthrobotrys oligospora
2011
Anamika, | Simon, Sobita
Arthrobotrys oligospora is one of the most important predaceous fungi occurring widely in different types of soil. This fungus produces the hyphal bails and network compound. This hyphal nets as trapping structure which may be one dimensional to two or three dimensional and are formed through repeated hyphal anastomosis, which capture nematodes either through the adhesive material present on the surface of hyphal nets or due to physical entanglement. When moving nematodes pass through such hyphal bails, they are captured by sticky substances present on the bails. Such nematodes struggle violently to escape the capture but they are usually entangled at several places of their body. They absorb the nutrients and finally kill the nematodes. Irrespective of the different levels of inoculums of root knot nematode, capturing of nematodes increased with increasing period of incubation. After 5 days of inoculation, 93–97.33% nematodes were captured irrespective of the nematode number.
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