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Insecticides--Testing

14 books found

Preliminary tests of synthetic organic compounds as insecticides. Part I
Preliminary tests of synthetic organic compounds as insectic...

by United States.: Bureau of Entomology and Plant Quarantine

1944 2 ed.
Preliminary tests of synthetic organic compounds as insecticides. Part VI
Preliminary tests of synthetic organic compounds as insectic...

by United States.: Bureau of Entomology and Plant Quarantine

1949 1 ed.
Preliminary tests of synthetic organic compounds as insecticides. Part VII
Preliminary tests of synthetic organic compounds as insectic...

by United States.: Bureau of Entomology and Plant Quarantine

1951 1 ed.
Screening tests for materials to increase the effectiveness of a DDT-Pyrethrum formula
Screening tests for materials to increase the effectiveness ...

by United States.: Bureau of Entomology and Plant Quarantine

1949 1 ed.
Preliminary tests of chlorinated benzamides as insecticides
Preliminary tests of chlorinated benzamides as insecticides

by United States.: Bureau of Entomology and Plant Quarantine

1949 1 ed.
Preliminary tests of synthetic organic compounds as insecticides. Part II
Preliminary tests of synthetic organic compounds as insectic...

by United States.: Bureau of Entomology and Plant Quarantine

1945 1 ed.
Tests of insecticides for grasshopper control, 1950, 1951, and 1952
Tests of insecticides for grasshopper control, 1950, 1951, a...

by United States.: Bureau of Entomology and Plant Quarantine

1953 1 ed.
Tests of insecticides for grasshopper control, 1947
Tests of insecticides for grasshopper control, 1947

by United States.: Bureau of Entomology and Plant Quarantine

1949 1 ed.
Tests of insecticides for control of the pickleworm and associated insects on cucumbers and squash, 1948-51
Tests of insecticides for control of the pickleworm and asso...

by United States.: Bureau of Entomology and Plant Quarantine

1953 1 ed.
Preliminary tests of synthetic organic compounds as insecticides. Part III
Preliminary tests of synthetic organic compounds as insectic...

by United States.: Bureau of Entomology and Plant Quarantine

1947 1 ed.
Tests of insecticides for grasshopper control, 1948 and 1949
Tests of insecticides for grasshopper control, 1948 and 1949

by United States.: Bureau of Entomology and Plant Quarantine

1950 1 ed.
Preliminary tests of some esters of propionic acid
Preliminary tests of some esters of propionic acid

by United States.: Bureau of Entomology and Plant Quarantine

1953 1 ed.
New insecticides in grasshopper control
New insecticides in grasshopper control

by United States.: Bureau of Entomology and Plant Quarantine

1947 1 ed.
Comparative values of new insecticides for use against Lygus spp. And the Say stinkbug
Comparative values of new insecticides for use against Lygus...

by United States.: Bureau of Entomology and Plant Quarantine

1945 1 ed.