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D. Schotzko ; L. O'Keeffe | 1986
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D. Schotzko ; C. Smith | 1991
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D. Schotzko ; C. Smith | 1991
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D. Schotzko ; L. O'Keeffe | 1986
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S. Quisenberry ; D. Schotzko ; P. Lamb ; F. Young | 2000The effects of tillage method (conventional or conservative) and weed management level (recommended or minimum) on insect distribution in a wheat (Triticum aestivum L.), barley (Hordeum vulgare L.), and pea (Pisum sativum L.) rotation were studi[...]
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D. Schotzko ; S. Quisenberry | 1999The effects of tillage, location within a plot, and date of sampling on the spatial distribution of adult Sitona lineatus (L.) in peas, Pisum sativum L., were evaluated using geostatistical analyses. The geostatistics procedure uses spatial vari[...]
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S. Quisenberry ; D. Schotzko | 1994The resistant wheat plant introductions PI 137739 and PI 262660 and the susceptible wheat (Triticum aestivum L.) cultivar 'Stephens' were used to determine the effects of varying Russian wheat aphid, Diuraphis noxia (Kuvdjumov), population densi[...]
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D. Schotzko ; N. Bosqueperez | 2000Field experiments were conducted in 1997 and 1998 to evaluate the impact of resistance to Russian wheat aphid, Diuraphis noxia (Mordvilko), on the cereal aphid complex in wheat. Two spring wheats were planted: the variety ''Centennial'' (Russian[...]
