Abstract

In both 1993 and 1994, the Kentucky Soybean Promotion Board funded an on-farm test of a small set of Maturity Group (MG) II varieties. Those studies showed that several MG II varieties were competitive with a high-yielding MG IV variety. However, other MG II varieties did not perform as well in those tests, indicating that variety selection is an important management consideration if this early maturing cropping system is to be successful in Kentucky soybean producers' fields. MG II varieties used in past University of Kentucky tests have been chosen based on their performance in university variety trials where such varieties are normally grown. For example, we have used data from Iowa, Indiana, Illinois, and Ohio to make our choices. Such tests often include large numbers of MG II varieties; for example, the Iowa State University trials routinely include over 200 MG II varieties.

Publication Date

1995

Volume

28

Number

7

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