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From A. W. Rimpau   10 December 1877


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.

Author:  Arnold Dietrich Wilhelm (Wilhelm) Rimpau
Addressee:  Charles Robert Darwin
Date:  10 Dec 1877
Classmark:  DAR 176: 159
Letter no:  DCP-LETT-11273
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letter (1)
Rimpau, Wilhelmdisabled_by_default
Darwin, C. R.disabled_by_default
Rimpau, Wilhelmdisabled_by_default