Stabilized insect nematode compositions

Details Stabilized insect nematode compositions Stabilized insect nematode compositions

1992-08-14

1995-03-28

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424410, 424418, 424419, 424420, 424488, 424498, 424499, A01N 2528, A01N 6300

Patent

active

054015065

ABSTRACT:
An insecticidal composition comprising a first composition having an effective amount of at least one species of entomopathogen distributed in a matrix. A second composition selected from vegetable oil, crop oil and partially hydrogenated oil containing mono- and di-glycerides surrounds the first composition and significantly prolongs nematode viability. The matrix is a nematode-containing macrogel or paste of partially hydrogenated oils containing mono- and di-glycerides. The macrogel matrix is selected from a continuous polymer macrogel or microcapsule-containing macrogel. Partially hydrogenated oils containing mono- and di-glycerides, (e.g., Crisco.RTM. shortening), can also be mixed with free nematodes to produce a paste formulation. Trapping nematodes in a Crisco.RTM. matrix formulation along with a water retentive polymer results in increased protection against desiccation and significantly prolongs viability during storage. An insect feeding stimulant, such as raffinose, may also be added to the mix.

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