Research Notes : Soybean emergence in clay soil and tolerance to phytophthora rot

Date
1982-04-01
Authors
Buzzell, R.
Anderson, T.
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Iowa State University Digital Repository
Abstract

In 1979 at the Woodslee Soil Substation, 19 F2 populations were planted May 23 in single-row plots, 100 seeds per row, with 12 replications. These populations consisted of 'Williams' x 'Wells', and Williams and Wells each by 'Adams', 'Beeson', 'Bonus', 'Galland', 'Corsoy', 'Cutler 71', 'Hark', 'Kanrich' and 'Prize'. The field had been in continuous soybeans since 1973 and is known to be infested predominantly with race 7 of Phytophthora mega-sperma f. sp. glycinea (Pmg).

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