Sends his paper ["Die selbst-sterilität des Roggens", Landwirtsch. Jahrb. 6 (1877): 1073–6] on self-sterility in Secale cereale. AWR was wrong in claiming Beta vulgaris was perfectly self-sterile.

Reports results of crossing wheat varieties. In the first generation offspring are always uniform; some are intermediate, some resemble one parent. In the second generation, on the contrary, he got a diversity of parental and intermediate forms.