Zur Entwicklungsgeschichte vonPetrobius brevistylis (Thysanura, Insecta)
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چکیده
منابع مشابه
Zur Entwicklungsgeschichte der Pharmakognosie
English pharmaceutical historians cannot but be jealous that German archives can produce a document dating back to 1437, the year in which Duke Adolf asked Apotheker Meister Johan Vos to settle in Cleves and there conduct a good pharmacy. Full details of the agreement between the two men are given, even to the point that Vos would wear the Duke's livery. Equally fascinating are the uses to whic...
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متن کاملAn Attempt to Improve through Selection the Style Length and Fertility of OENOTHERA BREVISTYLIS.
In an earlier paper (DAVIS 1918) there were published some observations on a selfed line of Oenothera brevistylis which had been carried for two generations through plants selected for greater variation in the direction of normal styles and stigmas. The line has now passed through five generations of selection, and not only has there been no improvement but the generations of later years have s...
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ژورنال
عنوان ژورنال: Helgoländer Wissenschaftliche Meeresuntersuchungen
سال: 1969
ISSN: 0017-9957,1438-3888
DOI: 10.1007/bf01625861