Reaper to breeding combine for sunflower harvesting

There was developed a two-row header to a breeding sunflower combine in the department of mechanization of VNIIMK. There is described the design of the header, the main values of the adjustable parameters are tabled, the forms of the harvested plants are presented, the biometric characteristics of the sunflower plants are resulted in the article. There are presented the main results of the field tests. The losses by free seeds are ascertained not to exceed 0.15%. The sunflower heads losses do not exceed 3.3% at multiple-headed forms. A size of the cutting stem segments of the one-head forms does not exceed 5-10 cm, of the multiple-headed forms 15-25 cm.