Abstract

The effectiveness of benzene hexachloride (BHC) when applied to pasture sod as a control for June beetles was demonstrated (1) during 1947 at Marmora. Tests were continued during 1948 to determine the control value of the same contact insecticide against second-year, second- and third-instar larvae at the summer-feeding level in sod land.A block of field plots was laid out in a pasture which was so severely infested by second-year grubs that it was expected to show most extensive destruction of sod before the end of the summer. It was considered as a most suitable area to determine the efficiency of BHC, in terms of sod protection and white grub mortality.

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