Beobachtungen über männliche Sterilität bei der Sonnenblume (H. annuus), ausgelöst durch genetische, physiologische und induzierte chemische Faktoren

Abstract

1. Male-sterile plants could be selected for several generations. These produce by sib mating (malesterile x fertile) 50% male-sterile and 50% fully fertile descendants. In two cases crossing resulted in 75% malesterile plants in F1. 2. Two new varieties, which had originated from a combination of breeding by self pollinations and by multiple crossings and… (More)
DOI: 10.1007/BF00275008

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