Mass production in liquid culture of insect-killing nematodes

Details Mass production in liquid culture of insect-killing nematodes Mass production in liquid culture of insect-killing nematodes

1987-11-20

1991-06-11

Weimar, Elizabeth C.

Chemistry: molecular biology and microbiology

Spore forming or isolating process

119 67, 800 2, A01K 4500, A01K 67033, C12N 500

Patent

active

050231839

ABSTRACT:
Entomogenous nematodes can be used as biological insecticides for the control of certain pests. The present invention provides a large-scale production in liquid culture of these entomogenous nematodes using an improved liquid culture medium. The medium uses an emulsifier to provide a well homogenized growth medium. The invention also provides a method of cultivating entomogenous nematodes on a commercial scale, in liquid culture, in fermenters by controlling the agitation rate as a function of oxygen demand.

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