| Studies were conducted to describe the inheritance and the effects of loci controlling the incandescent long daylength (natural daylength extended to 20 h using incandescent lamps (ILD)) insensitivity in soybean (Glycine max (L.) Merrill) and to investigate the feasibility of developing determinate soybean plants adapted to a short-growing season in Ontario.;A model of two loci (E3/e3 & E4/e4) with two alleles each with dominance, plus epistasis of the E3 allele on the e4 allele is proposed to explain the ILD-insensitivity. Analyses of F;The possibility of isolating early-maturing, determinate genotypes exhibiting a unique photoperiodic response was explored. The ILD-insensitive PI 317334A and Gieso were each crossed to the ILD-sensitive Evans-e3 and Harosoy-e3 and to the ILD-insensitive X2403 and X2396. Reproductive stage measurements recorded on F... |
