Corn Earworm Control on Grain Sorghum Heads, 1979 | Zendy

Wayne A. Gardner | Zendy; R. R. Duncan | Zendy; Robert D. Schwehr | Zendy

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Corn Earworm Control on Grain Sorghum Heads, 1979

Author(s) -

Wayne A. Gardner,

R. R. Duncan,

Robert D. Schwehr

Publication year - 1980

Publication title -

insecticide and acaricide tests

Language(s) - English

Resource type - Journals

ISSN - 0276-3656

DOI - 10.1093/iat/5.1.147a

Subject(s) - sprayer , loam , sorghum , acre , mathematics , agronomy , horticulture , biology , environmental science , soil water , soil science

Funk’s G522DR seed was planted in Cecil loamy soil on Jun 28’79. Treatments in Test 1 were replicated 4 times in a RCB design. Test 2 treatments were replicated 3 times In a completely random design. All plots were 6.1m × 3 rows. Spray applications were made with a compressed-air sprayer calibrated to deliver 40 gal H2O/acre. Spray was directed over the heads on Sept 12"79 when plants were in the soft dough stage of development. Ten heads per plot were sampled prior to treatment and 5 days after treatment by shaking the heads and counting corn earworm larvae.

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