Author
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ATIBALENTJA, NDEME - U OF ILL, URBANA |
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Noel, Gregory |
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DONALD, PATRICIA - U OF MO, COLUMBIA |
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MELAKEBERHAN, HADDISH - MICH ST U, E LANSING |
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ANDERSON, TERRY - AGRIC CANADA, ONTARIO |
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CHEN, SENYU - U OF MINN, ST PAUL |
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FAGHIHI, JAMAL - PURDUE U, W LAFAYETTE |
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GRAU, CRAIG - U OF WIS, MADISON |
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HERSHMAN, DONALD - U OF KY, LEXINGTON |
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NIBLACK, TERRY - U OF MO, COLUMBIA |
Submitted to: Journal of Nematology
Publication Type: Abstract Only Publication Acceptance Date: 3/15/2001 Publication Date: N/A Citation: N/A Interpretive Summary: Technical Abstract: A 4-yr study evaluated the effects of conventional tillage vs. no-till, narrow, medium, and wide row spacing, resistance, and rotation on soybean yield and H. glycines reproductive factor (Rf). Yields were higher on 18-cm and 38-cm than on 76-cm wide rows in seven of nine states, but interactions occurred with year, rotation, and genotype. Yield of resistant soybean was greater than the susceptible in five states, and in two, yield was equal only in the second crop. Only in Ontario did row spacing affect Rf, with higher Rf on 18-cm than on 38-cm and 76-cm wide rows on susceptible soybean. In five states Rf was lower on the resistant than on the susceptible genotype. The effects of tillage methods on yield and Rf were inconsistent. |