Soybean Hadjibey

Soybean variety Hadjibey was developed through multiple individual selections from the hybrid combination Evans x L 31-31. The Evans variety, developed in the USA, is characterized by high seed productivity and good adaptability, while line L 31-31 was obtained in Canada by crossing the ultra-early Swedish variety Fiskbe 5 with the American variety Black Hawk. Hadjibey has been included in the State Register of Varieties of Ukraine since 2001 and demonstrated high productivity in dryland conditions of the Odesa region between 1994 and 1998, with an average yield of 19.2 centners per hectare, significantly surpassing other varieties such as Arkadia Odeska and Altair.

This variety belongs to the Manchurian subgroup, the latifolia trial group, and is characterized by high yield — the average yield across all regions of Ukraine in 1997–1999 was 25.7 centners per hectare with a vegetative period of 114 days. Hadjibey is distinguished by its tall stature (96 cm), resistance to lodging, shattering, and drought, as well as the fact that its lower pods are attached at a relatively high elevation from the soil surface (16.5 cm). It is not susceptible to diseases such as downy mildew, ascochytosis, and bacterial blight, which enhances its reliability and yield stability.

The protein content in the seeds of this variety is 36.9%, and oil content is 21.8%, which is an average level. Maximum yields of the Hadjibey variety were recorded at various variety trial sites in Ukraine: in 1997 at the Artemovsk Variety Trial Site in the Donetsk region — 30.7 centners per hectare, in 1999 at the Borshchiv Variety Trial Site in the Ternopil region — 30.4 centners per hectare, and at the Ingulets Variety Testing Station in the Mykolaiv region in 1998, the yield reached record levels of 41.1 centners per hectare. On irrigated lands of the Crimean Institute of Agroindustrial Production, the average yield of this variety over four years amounted to 30.2 centners per hectare.