Aphid Control on Head Lettuce at Oswego, 1978 | Zendy

P. K. Seymour | Zendy; C.J. Eckenrode | Zendy

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Aphid Control on Head Lettuce at Oswego, 1978

Author(s) -

P. K. Seymour,

C.J. Eckenrode

Publication year - 1979

Publication title -

insecticide and acaricide tests

Language(s) - English

Resource type - Journals

ISSN - 0276-3656

DOI - 10.1093/iat/4.1.81a

Subject(s) - sprayer , seeder , muck , randomized block design , head (geology) , horticulture , aphid , boom , mathematics , agronomy , environmental science , biology , sowing , environmental engineering , paleontology , soil science

A direct-seeded lettuce test was planted Jul 29 on the Ferlito Muck Farm near Oswego. The plots were replicated 4 times, arranged in a randomized complete block design; each plot consisted of 4 treated rows, 30-ft long and 14-inches wide. Two untreated rows were planted on either side of each treatment. On Aug 8, the insecticide granules were applied with a modified, hand-operated cone seeder. They were banded on one side of the row, 2 inches from the seedlings and 2 inches deep. Orthene treatments were sprayed on the foliage with a CO2-pressurized, hand-held boom sprayer delivering 76 gals H2O/A. These sprays were applied weekly and aphids were counted at 3 and 6 days after each spray. Six plants were selected at random from the 2 middle rows of each treatment for the counts.

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