FIELD: agriculture; biological plant protection. SUBSTANCE: host organisms for raising Pteromalus puparum L. are oak silkworms. Pupas of oak silkworm are taken from the cocoon coat for infestation with emtomophage. EFFECT: simpler method. 2 cl, 6 tbl
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Authors
Dates
1995-09-20—Published
1991-07-08—Filed