Extending number of days to first bloom is a positive means for increasing total growth for short-season, determinate growth habit soybeans . Increasing number of days to first bloom is also effective in increasing the height of lowest pods. In an attempt to develop productive strains of Group IV maturity with good quality seed, we used PI 171.450 as a parent.
Hartwig, Edgar E.
"Research Notes: United States Department of Agriculture and Mississippi
Soybean Genetics Newsletter: Vol. 2
, Article 12.
Available at: http://lib.dr.iastate.edu/soybeangenetics/vol2/iss1/12