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Abstract
Abstract ‘Russet Burbank’ potatoes were planted April 19, 1977, at Kimberly, Idaho, in clay loam soil. Granular insecticides were applied at planting and banded on both sides of and 1 to 2 inches below the seed piece. Irrigation was applied by solid set sprinklers. All materials were replicated in 30-ft-long, 4-row plots, 34-inch row spacing, in a randomized complete block design. Three rates of Temik were side-dressed 51 days after planting to complete the test plots. Natural populations of Colorado potato beetles were recorded by walking through the center two plot rows and counting the number of larvae and adults observed. Counts were made 84, 90, 98, and 110 days after planting. Green peach aphids were released into the plots in June and allowed to reproduce. Aphid counts were made 84, 90, and 98 days after planting on 25 compound leaves per plot. Yields were taken by harvesting 20 ft of the center two plot rows.
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