Potato Insect Control, Grand Forks, North Dakota, 1977 | Zendy

Whitney Cranshaw | Zendy; Edward B. Radcliffe | Zendy

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Potato Insect Control, Grand Forks, North Dakota, 1977

Author(s) -

Whitney Cranshaw,

Edward B. Radcliffe

Publication year - 1978

Publication title -

insecticide and acaricide tests

Language(s) - English

Resource type - Journals

ISSN - 0276-3656

DOI - 10.1093/iat/3.1.85

Subject(s) - acre , leafhopper , gallon (us) , nymph , sprayer , aphid , sowing , agronomy , horticulture , biology , environmental science , hemiptera , botany , engineering , aerospace engineering

‘Red Pontiac’ potatoes were planted June 8, 1977, at the Red River Valley Potato Growers Research Farm. Soil type was Bearden silty clay. Plots were a single row, 40 ft long, spaced 38 inches apart, and randomized in complete blocks with 3 replications. Systemic insecticides were applied in-furrow as split-band treatments at planting. Foliar insecticide treatments were applied July 12 and August 9 using a 3-gallon, hand-operated, compressed-air sprayer delivering 100 gal water/acre at ca. 40 psi. Potato leafhopper nymphs and green peach aphid apferae were counted from 35 leaves per plot. The field was harvested October 28.

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