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Induction of Generative Development of Winter Rape ( Brassica napus L. var. oleifera ) in Relation to Vernalization Conditions and Age of Vernalized Plants

Induction of Generative Development of Winter Rape ( Brassica napus L. var. oleifera ) in... Germinating seeds and young winter rape plants were vernalized 56–63 days at 5 or 2°C under nine‐hour days or in darkness. The highest percentage of generative plants and the most rapid flowering were obtained following the vernalization of young seedlings and germinating seed under conditions of nine‐hour day, at 5°C. The least effective induction of generative development followed the vernalization at 2°C in continuous darkness. The vegetation period from the end of vernalization till the beginning of flowering was the shortest when four‐week‐old plants were vernalized under conditions of nine‐hour day, yet the vegetation period from the beginning of germination to flowering was the shortest when seed germinating under conditions of nine‐hour day were vernalized. The period was extending as older plants were being vernalized. Data indicating that the optimal temperature for vernalization of older plants is higher than for germinating seed and young seedlings were obtained. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Agronomy and Crop Science Wiley

Induction of Generative Development of Winter Rape ( Brassica napus L. var. oleifera ) in Relation to Vernalization Conditions and Age of Vernalized Plants

Journal of Agronomy and Crop Science , Volume 172 (2) – Mar 1, 1994

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References (12)

Publisher
Wiley
Copyright
Copyright © 1994 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0931-2250
eISSN
1439-037X
DOI
10.1111/j.1439-037X.1994.tb00537.x
Publisher site
See Article on Publisher Site

Abstract

Germinating seeds and young winter rape plants were vernalized 56–63 days at 5 or 2°C under nine‐hour days or in darkness. The highest percentage of generative plants and the most rapid flowering were obtained following the vernalization of young seedlings and germinating seed under conditions of nine‐hour day, at 5°C. The least effective induction of generative development followed the vernalization at 2°C in continuous darkness. The vegetation period from the end of vernalization till the beginning of flowering was the shortest when four‐week‐old plants were vernalized under conditions of nine‐hour day, yet the vegetation period from the beginning of germination to flowering was the shortest when seed germinating under conditions of nine‐hour day were vernalized. The period was extending as older plants were being vernalized. Data indicating that the optimal temperature for vernalization of older plants is higher than for germinating seed and young seedlings were obtained.

Journal

Journal of Agronomy and Crop ScienceWiley

Published: Mar 1, 1994

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